diff options
Diffstat (limited to 'openssl/demos/engines/zencod/hw_zencod.c')
| -rw-r--r-- | openssl/demos/engines/zencod/hw_zencod.c | 2854 |
1 files changed, 1462 insertions, 1392 deletions
diff --git a/openssl/demos/engines/zencod/hw_zencod.c b/openssl/demos/engines/zencod/hw_zencod.c index 4234b93cb..0c0f524d4 100644 --- a/openssl/demos/engines/zencod/hw_zencod.c +++ b/openssl/demos/engines/zencod/hw_zencod.c @@ -1,12 +1,10 @@ /* crypto/engine/hw_zencod.c */ - /* Written by Fred Donnat (frederic.donnat@zencod.com) for "zencod" - * engine integration in order to redirect crypto computing on a crypto - * hardware accelerator zenssl32 ;-) - * - * Date : 25 jun 2002 - * Revision : 17 Ju7 2002 - * Version : zencod_engine-0.9.7 - */ + /* + * Written by Fred Donnat (frederic.donnat@zencod.com) for "zencod" * engine + * integration in order to redirect crypto computing on a crypto * hardware + * accelerator zenssl32 ;-) * * Date : 25 jun 2002 * Revision : 17 Ju7 2002 + * * Version : zencod_engine-0.9.7 + */ /* ==================================================================== * Copyright (c) 1999-2001 The OpenSSL Project. All rights reserved. @@ -62,7 +60,6 @@ * */ - /* ENGINE general include */ #include <stdio.h> #include <openssl/crypto.h> @@ -70,1670 +67,1743 @@ #include <openssl/engine.h> #ifndef OPENSSL_NO_HW -#ifndef OPENSSL_NO_HW_ZENCOD - -#ifdef FLAT_INC -# include "hw_zencod.h" -#else -# include "vendor_defns/hw_zencod.h" -#endif +# ifndef OPENSSL_NO_HW_ZENCOD -#define ZENCOD_LIB_NAME "zencod engine" -#include "hw_zencod_err.c" +# ifdef FLAT_INC +# include "hw_zencod.h" +# else +# include "vendor_defns/hw_zencod.h" +# endif -#define FAIL_TO_SOFTWARE -15 +# define ZENCOD_LIB_NAME "zencod engine" +# include "hw_zencod_err.c" -#define ZEN_LIBRARY "zenbridge" +# define FAIL_TO_SOFTWARE -15 -#if 0 -# define PERROR(s) perror(s) -# define CHEESE() fputs("## [ZenEngine] ## " __FUNCTION__ "\n", stderr) -#else -# define PERROR(s) -# define CHEESE() -#endif +# define ZEN_LIBRARY "zenbridge" +# if 0 +# define PERROR(s) perror(s) +# define CHEESE() fputs("## [ZenEngine] ## " __FUNCTION__ "\n", stderr) +# else +# define PERROR(s) +# define CHEESE() +# endif /* Sorry ;) */ -#ifndef WIN32 -static inline void esrever ( unsigned char *d, int l ) +# ifndef WIN32 +static inline void esrever(unsigned char *d, int l) { - for(;--l>0;--l,d++){*d^=*(d+l);*(d+l)^=*d;*d^=*(d+l);} + for (; --l > 0; --l, d++) { + *d ^= *(d + l); + *(d + l) ^= *d; + *d ^= *(d + l); + } } -static inline void ypcmem ( unsigned char *d, const unsigned char *s, int l ) +static inline void ypcmem(unsigned char *d, const unsigned char *s, int l) { - for(d+=l;l--;)*--d=*s++; + for (d += l; l--;) + *--d = *s++; } -#else -static __inline void esrever ( unsigned char *d, int l ) +# else +static __inline void esrever(unsigned char *d, int l) { - for(;--l>0;--l,d++){*d^=*(d+l);*(d+l)^=*d;*d^=*(d+l);} + for (; --l > 0; --l, d++) { + *d ^= *(d + l); + *(d + l) ^= *d; + *d ^= *(d + l); + } } -static __inline void ypcmem ( unsigned char *d, const unsigned char *s, int l ) +static __inline void ypcmem(unsigned char *d, const unsigned char *s, int l) { - for(d+=l;l--;)*--d=*s++; + for (d += l; l--;) + *--d = *s++; } -#endif +# endif +# define BIGNUM2ZEN(n, bn) (ptr_zencod_init_number((n), \ + (unsigned long) ((bn)->top * BN_BITS2), \ + (unsigned char *) ((bn)->d))) -#define BIGNUM2ZEN(n, bn) (ptr_zencod_init_number((n), \ - (unsigned long) ((bn)->top * BN_BITS2), \ - (unsigned char *) ((bn)->d))) - -#define ZEN_BITS(n, bytes) (ptr_zencod_bytes2bits((unsigned char *) (n), (unsigned long) (bytes))) -#define ZEN_BYTES(bits) (ptr_zencod_bits2bytes((unsigned long) (bits))) - +# define ZEN_BITS(n, bytes) (ptr_zencod_bytes2bits((unsigned char *) (n), (unsigned long) (bytes))) +# define ZEN_BYTES(bits) (ptr_zencod_bits2bytes((unsigned long) (bits))) /* Function for ENGINE detection and control */ -static int zencod_destroy ( ENGINE *e ) ; -static int zencod_init ( ENGINE *e ) ; -static int zencod_finish ( ENGINE *e ) ; -static int zencod_ctrl ( ENGINE *e, int cmd, long i, void *p, void (*f) () ) ; +static int zencod_destroy(ENGINE *e); +static int zencod_init(ENGINE *e); +static int zencod_finish(ENGINE *e); +static int zencod_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) ()); /* BIGNUM stuff */ -static int zencod_bn_mod_exp ( BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx ) ; +static int zencod_bn_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, + const BIGNUM *m, BN_CTX *ctx); /* RSA stuff */ -#ifndef OPENSSL_NO_RSA -static int RSA_zencod_rsa_mod_exp ( BIGNUM *r0, const BIGNUM *I, RSA *rsa ) ; -static int RSA_zencod_bn_mod_exp ( BIGNUM *r, const BIGNUM *a, const BIGNUM *p, - const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx ) ; -#endif +# ifndef OPENSSL_NO_RSA +static int RSA_zencod_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa); +static int RSA_zencod_bn_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, + const BIGNUM *m, BN_CTX *ctx, + BN_MONT_CTX *m_ctx); +# endif /* DSA stuff */ -#ifndef OPENSSL_NO_DSA -static int DSA_zencod_bn_mod_exp ( DSA *dsa, BIGNUM *r, BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, - BN_MONT_CTX *m_ctx ) ; +# ifndef OPENSSL_NO_DSA +static int DSA_zencod_bn_mod_exp(DSA *dsa, BIGNUM *r, BIGNUM *a, + const BIGNUM *p, const BIGNUM *m, + BN_CTX *ctx, BN_MONT_CTX *m_ctx); -static DSA_SIG *DSA_zencod_do_sign ( const unsigned char *dgst, int dlen, DSA *dsa ) ; -static int DSA_zencod_do_verify ( const unsigned char *dgst, int dgst_len, DSA_SIG *sig, - DSA *dsa ) ; -#endif +static DSA_SIG *DSA_zencod_do_sign(const unsigned char *dgst, int dlen, + DSA *dsa); +static int DSA_zencod_do_verify(const unsigned char *dgst, int dgst_len, + DSA_SIG *sig, DSA *dsa); +# endif /* DH stuff */ -#ifndef OPENSSL_NO_DH -static int DH_zencod_bn_mod_exp ( const DH *dh, BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, - BN_MONT_CTX *m_ctx ) ; -static int DH_zencod_generate_key ( DH *dh ) ; -static int DH_zencod_compute_key ( unsigned char *key, const BIGNUM *pub_key, DH *dh ) ; -#endif +# ifndef OPENSSL_NO_DH +static int DH_zencod_bn_mod_exp(const DH *dh, BIGNUM *r, const BIGNUM *a, + const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, + BN_MONT_CTX *m_ctx); +static int DH_zencod_generate_key(DH *dh); +static int DH_zencod_compute_key(unsigned char *key, const BIGNUM *pub_key, + DH *dh); +# endif /* Rand stuff */ -static void RAND_zencod_seed ( const void *buf, int num ) ; -static int RAND_zencod_rand_bytes ( unsigned char *buf, int num ) ; -static int RAND_zencod_rand_status ( void ) ; +static void RAND_zencod_seed(const void *buf, int num); +static int RAND_zencod_rand_bytes(unsigned char *buf, int num); +static int RAND_zencod_rand_status(void); /* Digest Stuff */ -static int engine_digests ( ENGINE *e, const EVP_MD **digest, const int **nids, int nid ) ; +static int engine_digests(ENGINE *e, const EVP_MD **digest, const int **nids, + int nid); /* Cipher Stuff */ -static int engine_ciphers ( ENGINE *e, const EVP_CIPHER **cipher, const int **nids, int nid ) ; - - -#define ZENCOD_CMD_SO_PATH ENGINE_CMD_BASE -static const ENGINE_CMD_DEFN zencod_cmd_defns [ ] = -{ - { ZENCOD_CMD_SO_PATH, - "SO_PATH", - "Specifies the path to the 'zenbridge' shared library", - ENGINE_CMD_FLAG_STRING}, - { 0, NULL, NULL, 0 } -} ; - - -#ifndef OPENSSL_NO_RSA -/* Our internal RSA_METHOD specific to zencod ENGINE providing pointers to our function */ -static RSA_METHOD zencod_rsa = -{ - "ZENCOD RSA method", - NULL, - NULL, - NULL, - NULL, - RSA_zencod_rsa_mod_exp, - RSA_zencod_bn_mod_exp, - NULL, - NULL, - 0, - NULL, - NULL, - NULL -} ; -#endif - -#ifndef OPENSSL_NO_DSA -/* Our internal DSA_METHOD specific to zencod ENGINE providing pointers to our function */ -static DSA_METHOD zencod_dsa = -{ - "ZENCOD DSA method", - DSA_zencod_do_sign, - NULL, - DSA_zencod_do_verify, - NULL, - DSA_zencod_bn_mod_exp, - NULL, - NULL, - 0, - NULL -} ; -#endif - -#ifndef OPENSSL_NO_DH -/* Our internal DH_METHOD specific to zencod ENGINE providing pointers to our function */ -static DH_METHOD zencod_dh = -{ - "ZENCOD DH method", - DH_zencod_generate_key, - DH_zencod_compute_key, - DH_zencod_bn_mod_exp, - NULL, - NULL, - 0, - NULL -} ; -#endif - -/* Our internal RAND_meth specific to zencod ZNGINE providing pointers to our function */ -static RAND_METHOD zencod_rand = -{ - RAND_zencod_seed, - RAND_zencod_rand_bytes, - NULL, - NULL, - RAND_zencod_rand_bytes, - RAND_zencod_rand_status -} ; +static int engine_ciphers(ENGINE *e, const EVP_CIPHER **cipher, + const int **nids, int nid); + +# define ZENCOD_CMD_SO_PATH ENGINE_CMD_BASE +static const ENGINE_CMD_DEFN zencod_cmd_defns[] = { + {ZENCOD_CMD_SO_PATH, + "SO_PATH", + "Specifies the path to the 'zenbridge' shared library", + ENGINE_CMD_FLAG_STRING}, + {0, NULL, NULL, 0} +}; + +# ifndef OPENSSL_NO_RSA +/* + * Our internal RSA_METHOD specific to zencod ENGINE providing pointers to + * our function + */ +static RSA_METHOD zencod_rsa = { + "ZENCOD RSA method", + NULL, + NULL, + NULL, + NULL, + RSA_zencod_rsa_mod_exp, + RSA_zencod_bn_mod_exp, + NULL, + NULL, + 0, + NULL, + NULL, + NULL +}; +# endif + +# ifndef OPENSSL_NO_DSA +/* + * Our internal DSA_METHOD specific to zencod ENGINE providing pointers to + * our function + */ +static DSA_METHOD zencod_dsa = { + "ZENCOD DSA method", + DSA_zencod_do_sign, + NULL, + DSA_zencod_do_verify, + NULL, + DSA_zencod_bn_mod_exp, + NULL, + NULL, + 0, + NULL +}; +# endif + +# ifndef OPENSSL_NO_DH +/* + * Our internal DH_METHOD specific to zencod ENGINE providing pointers to our + * function + */ +static DH_METHOD zencod_dh = { + "ZENCOD DH method", + DH_zencod_generate_key, + DH_zencod_compute_key, + DH_zencod_bn_mod_exp, + NULL, + NULL, + 0, + NULL +}; +# endif +/* + * Our internal RAND_meth specific to zencod ZNGINE providing pointers to our + * function + */ +static RAND_METHOD zencod_rand = { + RAND_zencod_seed, + RAND_zencod_rand_bytes, + NULL, + NULL, + RAND_zencod_rand_bytes, + RAND_zencod_rand_status +}; /* Constants used when creating the ENGINE */ static const char *engine_zencod_id = "zencod"; static const char *engine_zencod_name = "ZENCOD hardware engine support"; - -/* This internal function is used by ENGINE_zencod () and possibly by the - * "dynamic" ENGINE support too ;-) +/* + * This internal function is used by ENGINE_zencod () and possibly by the + * "dynamic" ENGINE support too ;-) */ -static int bind_helper ( ENGINE *e ) +static int bind_helper(ENGINE *e) { -#ifndef OPENSSL_NO_RSA - const RSA_METHOD *meth_rsa ; -#endif -#ifndef OPENSSL_NO_DSA - const DSA_METHOD *meth_dsa ; -#endif -#ifndef OPENSSL_NO_DH - const DH_METHOD *meth_dh ; -#endif - - const RAND_METHOD *meth_rand ; - - - if ( !ENGINE_set_id ( e, engine_zencod_id ) || - !ENGINE_set_name ( e, engine_zencod_name ) || -#ifndef OPENSSL_NO_RSA - !ENGINE_set_RSA ( e, &zencod_rsa ) || -#endif -#ifndef OPENSSL_NO_DSA - !ENGINE_set_DSA ( e, &zencod_dsa ) || -#endif -#ifndef OPENSSL_NO_DH - !ENGINE_set_DH ( e, &zencod_dh ) || -#endif - !ENGINE_set_RAND ( e, &zencod_rand ) || - - !ENGINE_set_destroy_function ( e, zencod_destroy ) || - !ENGINE_set_init_function ( e, zencod_init ) || - !ENGINE_set_finish_function ( e, zencod_finish ) || - !ENGINE_set_ctrl_function ( e, zencod_ctrl ) || - !ENGINE_set_cmd_defns ( e, zencod_cmd_defns ) || - !ENGINE_set_digests ( e, engine_digests ) || - !ENGINE_set_ciphers ( e, engine_ciphers ) ) { - return 0 ; - } - -#ifndef OPENSSL_NO_RSA - /* We know that the "PKCS1_SSLeay()" functions hook properly - * to the Zencod-specific mod_exp and mod_exp_crt so we use - * those functions. NB: We don't use ENGINE_openssl() or - * anything "more generic" because something like the RSAref - * code may not hook properly, and if you own one of these - * cards then you have the right to do RSA operations on it - * anyway! - */ - meth_rsa = RSA_PKCS1_SSLeay () ; - - zencod_rsa.rsa_pub_enc = meth_rsa->rsa_pub_enc ; - zencod_rsa.rsa_pub_dec = meth_rsa->rsa_pub_dec ; - zencod_rsa.rsa_priv_enc = meth_rsa->rsa_priv_enc ; - zencod_rsa.rsa_priv_dec = meth_rsa->rsa_priv_dec ; - /* meth_rsa->rsa_mod_exp */ - /* meth_rsa->bn_mod_exp */ - zencod_rsa.init = meth_rsa->init ; - zencod_rsa.finish = meth_rsa->finish ; -#endif - -#ifndef OPENSSL_NO_DSA - /* We use OpenSSL meth to supply what we don't provide ;-*) - */ - meth_dsa = DSA_OpenSSL () ; - - /* meth_dsa->dsa_do_sign */ - zencod_dsa.dsa_sign_setup = meth_dsa->dsa_sign_setup ; - /* meth_dsa->dsa_do_verify */ - zencod_dsa.dsa_mod_exp = meth_dsa->dsa_mod_exp ; - /* zencod_dsa.bn_mod_exp = meth_dsa->bn_mod_exp ; */ - zencod_dsa.init = meth_dsa->init ; - zencod_dsa.finish = meth_dsa->finish ; -#endif - -#ifndef OPENSSL_NO_DH - /* We use OpenSSL meth to supply what we don't provide ;-*) - */ - meth_dh = DH_OpenSSL () ; - - /* zencod_dh.generate_key = meth_dh->generate_key ; */ - /* zencod_dh.compute_key = meth_dh->compute_key ; */ - /* zencod_dh.bn_mod_exp = meth_dh->bn_mod_exp ; */ - zencod_dh.init = meth_dh->init ; - zencod_dh.finish = meth_dh->finish ; - -#endif - - /* We use OpenSSL (SSLeay) meth to supply what we don't provide ;-*) - */ - meth_rand = RAND_SSLeay () ; - - /* meth_rand->seed ; */ - /* zencod_rand.seed = meth_rand->seed ; */ - /* meth_rand->bytes ; */ - /* zencod_rand.bytes = meth_rand->bytes ; */ - zencod_rand.cleanup = meth_rand->cleanup ; - zencod_rand.add = meth_rand->add ; - /* meth_rand->pseudorand ; */ - /* zencod_rand.pseudorand = meth_rand->pseudorand ; */ - /* zencod_rand.status = meth_rand->status ; */ - /* meth_rand->status ; */ - - /* Ensure the zencod error handling is set up */ - ERR_load_ZENCOD_strings () ; - return 1 ; +# ifndef OPENSSL_NO_RSA + const RSA_METHOD *meth_rsa; +# endif +# ifndef OPENSSL_NO_DSA + const DSA_METHOD *meth_dsa; +# endif +# ifndef OPENSSL_NO_DH + const DH_METHOD *meth_dh; +# endif + + const RAND_METHOD *meth_rand; + + if (!ENGINE_set_id(e, engine_zencod_id) || + !ENGINE_set_name(e, engine_zencod_name) || +# ifndef OPENSSL_NO_RSA + !ENGINE_set_RSA(e, &zencod_rsa) || +# endif +# ifndef OPENSSL_NO_DSA + !ENGINE_set_DSA(e, &zencod_dsa) || +# endif +# ifndef OPENSSL_NO_DH + !ENGINE_set_DH(e, &zencod_dh) || +# endif + !ENGINE_set_RAND(e, &zencod_rand) || + !ENGINE_set_destroy_function(e, zencod_destroy) || + !ENGINE_set_init_function(e, zencod_init) || + !ENGINE_set_finish_function(e, zencod_finish) || + !ENGINE_set_ctrl_function(e, zencod_ctrl) || + !ENGINE_set_cmd_defns(e, zencod_cmd_defns) || + !ENGINE_set_digests(e, engine_digests) || + !ENGINE_set_ciphers(e, engine_ciphers)) { + return 0; + } +# ifndef OPENSSL_NO_RSA + /* + * We know that the "PKCS1_SSLeay()" functions hook properly to the + * Zencod-specific mod_exp and mod_exp_crt so we use those functions. NB: + * We don't use ENGINE_openssl() or anything "more generic" because + * something like the RSAref code may not hook properly, and if you own + * one of these cards then you have the right to do RSA operations on it + * anyway! + */ + meth_rsa = RSA_PKCS1_SSLeay(); + + zencod_rsa.rsa_pub_enc = meth_rsa->rsa_pub_enc; + zencod_rsa.rsa_pub_dec = meth_rsa->rsa_pub_dec; + zencod_rsa.rsa_priv_enc = meth_rsa->rsa_priv_enc; + zencod_rsa.rsa_priv_dec = meth_rsa->rsa_priv_dec; + /* meth_rsa->rsa_mod_exp */ + /* meth_rsa->bn_mod_exp */ + zencod_rsa.init = meth_rsa->init; + zencod_rsa.finish = meth_rsa->finish; +# endif + +# ifndef OPENSSL_NO_DSA + /* + * We use OpenSSL meth to supply what we don't provide ;-*) + */ + meth_dsa = DSA_OpenSSL(); + + /* meth_dsa->dsa_do_sign */ + zencod_dsa.dsa_sign_setup = meth_dsa->dsa_sign_setup; + /* meth_dsa->dsa_do_verify */ + zencod_dsa.dsa_mod_exp = meth_dsa->dsa_mod_exp; + /* zencod_dsa.bn_mod_exp = meth_dsa->bn_mod_exp ; */ + zencod_dsa.init = meth_dsa->init; + zencod_dsa.finish = meth_dsa->finish; +# endif + +# ifndef OPENSSL_NO_DH + /* + * We use OpenSSL meth to supply what we don't provide ;-*) + */ + meth_dh = DH_OpenSSL(); + + /* zencod_dh.generate_key = meth_dh->generate_key ; */ + /* zencod_dh.compute_key = meth_dh->compute_key ; */ + /* zencod_dh.bn_mod_exp = meth_dh->bn_mod_exp ; */ + zencod_dh.init = meth_dh->init; + zencod_dh.finish = meth_dh->finish; + +# endif + + /* + * We use OpenSSL (SSLeay) meth to supply what we don't provide ;-*) + */ + meth_rand = RAND_SSLeay(); + + /* meth_rand->seed ; */ + /* zencod_rand.seed = meth_rand->seed ; */ + /* meth_rand->bytes ; */ + /* zencod_rand.bytes = meth_rand->bytes ; */ + zencod_rand.cleanup = meth_rand->cleanup; + zencod_rand.add = meth_rand->add; + /* meth_rand->pseudorand ; */ + /* zencod_rand.pseudorand = meth_rand->pseudorand ; */ + /* zencod_rand.status = meth_rand->status ; */ + /* meth_rand->status ; */ + + /* Ensure the zencod error handling is set up */ + ERR_load_ZENCOD_strings(); + return 1; } - -/* As this is only ever called once, there's no need for locking - * (indeed - the lock will already be held by our caller!!!) +/* + * As this is only ever called once, there's no need for locking (indeed - + * the lock will already be held by our caller!!!) */ -static ENGINE *ENGINE_zencod ( void ) +static ENGINE *ENGINE_zencod(void) { - ENGINE *eng = ENGINE_new () ; + ENGINE *eng = ENGINE_new(); - if ( !eng ) { - return NULL ; - } - if ( !bind_helper ( eng ) ) { - ENGINE_free ( eng ) ; - return NULL ; - } + if (!eng) { + return NULL; + } + if (!bind_helper(eng)) { + ENGINE_free(eng); + return NULL; + } - return eng ; + return eng; } - -#ifdef ENGINE_DYNAMIC_SUPPORT +# ifdef ENGINE_DYNAMIC_SUPPORT static -#endif -void ENGINE_load_zencod ( void ) +# endif +void ENGINE_load_zencod(void) { - /* Copied from eng_[openssl|dyn].c */ - ENGINE *toadd = ENGINE_zencod ( ) ; - if ( !toadd ) return ; - ENGINE_add ( toadd ) ; - ENGINE_free ( toadd ) ; - ERR_clear_error ( ) ; + /* Copied from eng_[openssl|dyn].c */ + ENGINE *toadd = ENGINE_zencod(); + if (!toadd) + return; + ENGINE_add(toadd); + ENGINE_free(toadd); + ERR_clear_error(); } - -/* This is a process-global DSO handle used for loading and unloading - * the ZENBRIDGE library. - * NB: This is only set (or unset) during an * init () or finish () call - * (reference counts permitting) and they're * operating with global locks, - * so this should be thread-safe * implicitly. +/* + * This is a process-global DSO handle used for loading and unloading the + * ZENBRIDGE library. NB: This is only set (or unset) during an * init () or + * finish () call (reference counts permitting) and they're * operating with + * global locks, so this should be thread-safe * implicitly. */ -static DSO *zencod_dso = NULL ; - -static t_zencod_test *ptr_zencod_test = NULL ; -static t_zencod_bytes2bits *ptr_zencod_bytes2bits = NULL ; -static t_zencod_bits2bytes *ptr_zencod_bits2bytes = NULL ; -static t_zencod_new_number *ptr_zencod_new_number = NULL ; -static t_zencod_init_number *ptr_zencod_init_number = NULL ; - -static t_zencod_rsa_mod_exp *ptr_zencod_rsa_mod_exp = NULL ; -static t_zencod_rsa_mod_exp_crt *ptr_zencod_rsa_mod_exp_crt = NULL ; -static t_zencod_dsa_do_sign *ptr_zencod_dsa_do_sign = NULL ; -static t_zencod_dsa_do_verify *ptr_zencod_dsa_do_verify = NULL ; -static t_zencod_dh_generate_key *ptr_zencod_dh_generate_key = NULL ; -static t_zencod_dh_compute_key *ptr_zencod_dh_compute_key = NULL ; -static t_zencod_rand_bytes *ptr_zencod_rand_bytes = NULL ; -static t_zencod_math_mod_exp *ptr_zencod_math_mod_exp = NULL ; - -static t_zencod_md5_init *ptr_zencod_md5_init = NULL ; -static t_zencod_md5_update *ptr_zencod_md5_update = NULL ; -static t_zencod_md5_do_final *ptr_zencod_md5_do_final = NULL ; -static t_zencod_sha1_init *ptr_zencod_sha1_init = NULL ; -static t_zencod_sha1_update *ptr_zencod_sha1_update = NULL ; -static t_zencod_sha1_do_final *ptr_zencod_sha1_do_final = NULL ; - -static t_zencod_xdes_cipher *ptr_zencod_xdes_cipher = NULL ; -static t_zencod_rc4_cipher *ptr_zencod_rc4_cipher = NULL ; - -/* These are the static string constants for the DSO file name and the function - * symbol names to bind to. +static DSO *zencod_dso = NULL; + +static t_zencod_test *ptr_zencod_test = NULL; +static t_zencod_bytes2bits *ptr_zencod_bytes2bits = NULL; +static t_zencod_bits2bytes *ptr_zencod_bits2bytes = NULL; +static t_zencod_new_number *ptr_zencod_new_number = NULL; +static t_zencod_init_number *ptr_zencod_init_number = NULL; + +static t_zencod_rsa_mod_exp *ptr_zencod_rsa_mod_exp = NULL; +static t_zencod_rsa_mod_exp_crt *ptr_zencod_rsa_mod_exp_crt = NULL; +static t_zencod_dsa_do_sign *ptr_zencod_dsa_do_sign = NULL; +static t_zencod_dsa_do_verify *ptr_zencod_dsa_do_verify = NULL; +static t_zencod_dh_generate_key *ptr_zencod_dh_generate_key = NULL; +static t_zencod_dh_compute_key *ptr_zencod_dh_compute_key = NULL; +static t_zencod_rand_bytes *ptr_zencod_rand_bytes = NULL; +static t_zencod_math_mod_exp *ptr_zencod_math_mod_exp = NULL; + +static t_zencod_md5_init *ptr_zencod_md5_init = NULL; +static t_zencod_md5_update *ptr_zencod_md5_update = NULL; +static t_zencod_md5_do_final *ptr_zencod_md5_do_final = NULL; +static t_zencod_sha1_init *ptr_zencod_sha1_init = NULL; +static t_zencod_sha1_update *ptr_zencod_sha1_update = NULL; +static t_zencod_sha1_do_final *ptr_zencod_sha1_do_final = NULL; + +static t_zencod_xdes_cipher *ptr_zencod_xdes_cipher = NULL; +static t_zencod_rc4_cipher *ptr_zencod_rc4_cipher = NULL; + +/* + * These are the static string constants for the DSO file name and the + * function symbol names to bind to. */ -static const char *ZENCOD_LIBNAME = ZEN_LIBRARY ; - -static const char *ZENCOD_Fct_0 = "test_device" ; -static const char *ZENCOD_Fct_1 = "zenbridge_bytes2bits" ; -static const char *ZENCOD_Fct_2 = "zenbridge_bits2bytes" ; -static const char *ZENCOD_Fct_3 = "zenbridge_new_number" ; -static const char *ZENCOD_Fct_4 = "zenbridge_init_number" ; - -static const char *ZENCOD_Fct_exp_1 = "zenbridge_rsa_mod_exp" ; -static const char *ZENCOD_Fct_exp_2 = "zenbridge_rsa_mod_exp_crt" ; -static const char *ZENCOD_Fct_dsa_1 = "zenbridge_dsa_do_sign" ; -static const char *ZENCOD_Fct_dsa_2 = "zenbridge_dsa_do_verify" ; -static const char *ZENCOD_Fct_dh_1 = "zenbridge_dh_generate_key" ; -static const char *ZENCOD_Fct_dh_2 = "zenbridge_dh_compute_key" ; -static const char *ZENCOD_Fct_rand_1 = "zenbridge_rand_bytes" ; -static const char *ZENCOD_Fct_math_1 = "zenbridge_math_mod_exp" ; - -static const char *ZENCOD_Fct_md5_1 = "zenbridge_md5_init" ; -static const char *ZENCOD_Fct_md5_2 = "zenbridge_md5_update" ; -static const char *ZENCOD_Fct_md5_3 = "zenbridge_md5_do_final" ; -static const char *ZENCOD_Fct_sha1_1 = "zenbridge_sha1_init" ; -static const char *ZENCOD_Fct_sha1_2 = "zenbridge_sha1_update" ; -static const char *ZENCOD_Fct_sha1_3 = "zenbridge_sha1_do_final" ; - -static const char *ZENCOD_Fct_xdes_1 = "zenbridge_xdes_cipher" ; -static const char *ZENCOD_Fct_rc4_1 = "zenbridge_rc4_cipher" ; - -/* Destructor (complements the "ENGINE_zencod ()" constructor) +static const char *ZENCOD_LIBNAME = ZEN_LIBRARY; + +static const char *ZENCOD_Fct_0 = "test_device"; +static const char *ZENCOD_Fct_1 = "zenbridge_bytes2bits"; +static const char *ZENCOD_Fct_2 = "zenbridge_bits2bytes"; +static const char *ZENCOD_Fct_3 = "zenbridge_new_number"; +static const char *ZENCOD_Fct_4 = "zenbridge_init_number"; + +static const char *ZENCOD_Fct_exp_1 = "zenbridge_rsa_mod_exp"; +static const char *ZENCOD_Fct_exp_2 = "zenbridge_rsa_mod_exp_crt"; +static const char *ZENCOD_Fct_dsa_1 = "zenbridge_dsa_do_sign"; +static const char *ZENCOD_Fct_dsa_2 = "zenbridge_dsa_do_verify"; +static const char *ZENCOD_Fct_dh_1 = "zenbridge_dh_generate_key"; +static const char *ZENCOD_Fct_dh_2 = "zenbridge_dh_compute_key"; +static const char *ZENCOD_Fct_rand_1 = "zenbridge_rand_bytes"; +static const char *ZENCOD_Fct_math_1 = "zenbridge_math_mod_exp"; + +static const char *ZENCOD_Fct_md5_1 = "zenbridge_md5_init"; +static const char *ZENCOD_Fct_md5_2 = "zenbridge_md5_update"; +static const char *ZENCOD_Fct_md5_3 = "zenbridge_md5_do_final"; +static const char *ZENCOD_Fct_sha1_1 = "zenbridge_sha1_init"; +static const char *ZENCOD_Fct_sha1_2 = "zenbridge_sha1_update"; +static const char *ZENCOD_Fct_sha1_3 = "zenbridge_sha1_do_final"; + +static const char *ZENCOD_Fct_xdes_1 = "zenbridge_xdes_cipher"; +static const char *ZENCOD_Fct_rc4_1 = "zenbridge_rc4_cipher"; + +/* + * Destructor (complements the "ENGINE_zencod ()" constructor) */ -static int zencod_destroy (ENGINE *e ) +static int zencod_destroy(ENGINE *e) { - ERR_unload_ZENCOD_strings () ; + ERR_unload_ZENCOD_strings(); - return 1 ; + return 1; } - -/* (de)initialisation functions. Control Function +/* + * (de)initialisation functions. Control Function */ -static int zencod_init ( ENGINE *e ) +static int zencod_init(ENGINE *e) { - t_zencod_test *ptr_0 ; - t_zencod_bytes2bits *ptr_1 ; - t_zencod_bits2bytes *ptr_2 ; - t_zencod_new_number *ptr_3 ; - t_zencod_init_number *ptr_4 ; - t_zencod_rsa_mod_exp *ptr_exp_1 ; - t_zencod_rsa_mod_exp_crt *ptr_exp_2 ; - t_zencod_dsa_do_sign *ptr_dsa_1 ; - t_zencod_dsa_do_verify *ptr_dsa_2 ; - t_zencod_dh_generate_key *ptr_dh_1 ; - t_zencod_dh_compute_key *ptr_dh_2 ; - t_zencod_rand_bytes *ptr_rand_1 ; - t_zencod_math_mod_exp *ptr_math_1 ; - t_zencod_md5_init *ptr_md5_1 ; - t_zencod_md5_update *ptr_md5_2 ; - t_zencod_md5_do_final *ptr_md5_3 ; - t_zencod_sha1_init *ptr_sha1_1 ; - t_zencod_sha1_update *ptr_sha1_2 ; - t_zencod_sha1_do_final *ptr_sha1_3 ; - t_zencod_xdes_cipher *ptr_xdes_1 ; - t_zencod_rc4_cipher *ptr_rc4_1 ; - - CHEESE () ; - - /* - * We Should add some tests for non NULL parameters or bad value !! - * Stuff to be done ... - */ - - if ( zencod_dso != NULL ) { - ZENCODerr ( ZENCOD_F_ZENCOD_INIT, ZENCOD_R_ALREADY_LOADED ) ; - goto err ; - } - /* Trying to load the Library "cryptozen" - */ - zencod_dso = DSO_load ( NULL, ZENCOD_LIBNAME, NULL, 0 ) ; - if ( zencod_dso == NULL ) { - ZENCODerr ( ZENCOD_F_ZENCOD_INIT, ZENCOD_R_DSO_FAILURE ) ; - goto err ; - } - - /* Trying to load Function from the Library - */ - if ( ! ( ptr_1 = (t_zencod_bytes2bits*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_1 ) ) || - ! ( ptr_2 = (t_zencod_bits2bytes*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_2 ) ) || - ! ( ptr_3 = (t_zencod_new_number*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_3 ) ) || - ! ( ptr_4 = (t_zencod_init_number*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_4 ) ) || - ! ( ptr_exp_1 = (t_zencod_rsa_mod_exp*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_exp_1 ) ) || - ! ( ptr_exp_2 = (t_zencod_rsa_mod_exp_crt*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_exp_2 ) ) || - ! ( ptr_dsa_1 = (t_zencod_dsa_do_sign*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_dsa_1 ) ) || - ! ( ptr_dsa_2 = (t_zencod_dsa_do_verify*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_dsa_2 ) ) || - ! ( ptr_dh_1 = (t_zencod_dh_generate_key*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_dh_1 ) ) || - ! ( ptr_dh_2 = (t_zencod_dh_compute_key*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_dh_2 ) ) || - ! ( ptr_rand_1 = (t_zencod_rand_bytes*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_rand_1 ) ) || - ! ( ptr_math_1 = (t_zencod_math_mod_exp*) DSO_bind_func ( zencod_dso, ZENCOD_Fct_math_1 ) ) || - ! ( ptr_0 = (t_zencod_test *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_0 ) ) || - ! ( ptr_md5_1 = (t_zencod_md5_init *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_md5_1 ) ) || - ! ( ptr_md5_2 = (t_zencod_md5_update *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_md5_2 ) ) || - ! ( ptr_md5_3 = (t_zencod_md5_do_final *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_md5_3 ) ) || - ! ( ptr_sha1_1 = (t_zencod_sha1_init *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_sha1_1 ) ) || - ! ( ptr_sha1_2 = (t_zencod_sha1_update *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_sha1_2 ) ) || - ! ( ptr_sha1_3 = (t_zencod_sha1_do_final *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_sha1_3 ) ) || - ! ( ptr_xdes_1 = (t_zencod_xdes_cipher *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_xdes_1 ) ) || - ! ( ptr_rc4_1 = (t_zencod_rc4_cipher *) DSO_bind_func ( zencod_dso, ZENCOD_Fct_rc4_1 ) ) ) { - - ZENCODerr ( ZENCOD_F_ZENCOD_INIT, ZENCOD_R_DSO_FAILURE ) ; - goto err ; - } - - /* The function from "cryptozen" Library have been correctly loaded so copy them - */ - ptr_zencod_test = ptr_0 ; - ptr_zencod_bytes2bits = ptr_1 ; - ptr_zencod_bits2bytes = ptr_2 ; - ptr_zencod_new_number = ptr_3 ; - ptr_zencod_init_number = ptr_4 ; - ptr_zencod_rsa_mod_exp = ptr_exp_1 ; - ptr_zencod_rsa_mod_exp_crt = ptr_exp_2 ; - ptr_zencod_dsa_do_sign = ptr_dsa_1 ; - ptr_zencod_dsa_do_verify = ptr_dsa_2 ; - ptr_zencod_dh_generate_key = ptr_dh_1 ; - ptr_zencod_dh_compute_key = ptr_dh_2 ; - ptr_zencod_rand_bytes = ptr_rand_1 ; - ptr_zencod_math_mod_exp = ptr_math_1 ; - ptr_zencod_test = ptr_0 ; - ptr_zencod_md5_init = ptr_md5_1 ; - ptr_zencod_md5_update = ptr_md5_2 ; - ptr_zencod_md5_do_final = ptr_md5_3 ; - ptr_zencod_sha1_init = ptr_sha1_1 ; - ptr_zencod_sha1_update = ptr_sha1_2 ; - ptr_zencod_sha1_do_final = ptr_sha1_3 ; - ptr_zencod_xdes_cipher = ptr_xdes_1 ; - ptr_zencod_rc4_cipher = ptr_rc4_1 ; - - /* We should peform a test to see if there is actually any unit runnig on the system ... - * Even if the cryptozen library is loaded the module coul not be loaded on the system ... - * For now we may just open and close the device !! - */ - - if ( ptr_zencod_test () != 0 ) { - ZENCODerr ( ZENCOD_F_ZENCOD_INIT, ZENCOD_R_UNIT_FAILURE ) ; - goto err ; - } - - return 1 ; -err : - if ( zencod_dso ) { - DSO_free ( zencod_dso ) ; - } - zencod_dso = NULL ; - ptr_zencod_bytes2bits = NULL ; - ptr_zencod_bits2bytes = NULL ; - ptr_zencod_new_number = NULL ; - ptr_zencod_init_number = NULL ; - ptr_zencod_rsa_mod_exp = NULL ; - ptr_zencod_rsa_mod_exp_crt = NULL ; - ptr_zencod_dsa_do_sign = NULL ; - ptr_zencod_dsa_do_verify = NULL ; - ptr_zencod_dh_generate_key = NULL ; - ptr_zencod_dh_compute_key = NULL ; - ptr_zencod_rand_bytes = NULL ; - ptr_zencod_math_mod_exp = NULL ; - ptr_zencod_test = NULL ; - ptr_zencod_md5_init = NULL ; - ptr_zencod_md5_update = NULL ; - ptr_zencod_md5_do_final = NULL ; - ptr_zencod_sha1_init = NULL ; - ptr_zencod_sha1_update = NULL ; - ptr_zencod_sha1_do_final = NULL ; - ptr_zencod_xdes_cipher = NULL ; - ptr_zencod_rc4_cipher = NULL ; - - return 0 ; + t_zencod_test *ptr_0; + t_zencod_bytes2bits *ptr_1; + t_zencod_bits2bytes *ptr_2; + t_zencod_new_number *ptr_3; + t_zencod_init_number *ptr_4; + t_zencod_rsa_mod_exp *ptr_exp_1; + t_zencod_rsa_mod_exp_crt *ptr_exp_2; + t_zencod_dsa_do_sign *ptr_dsa_1; + t_zencod_dsa_do_verify *ptr_dsa_2; + t_zencod_dh_generate_key *ptr_dh_1; + t_zencod_dh_compute_key *ptr_dh_2; + t_zencod_rand_bytes *ptr_rand_1; + t_zencod_math_mod_exp *ptr_math_1; + t_zencod_md5_init *ptr_md5_1; + t_zencod_md5_update *ptr_md5_2; + t_zencod_md5_do_final *ptr_md5_3; + t_zencod_sha1_init *ptr_sha1_1; + t_zencod_sha1_update *ptr_sha1_2; + t_zencod_sha1_do_final *ptr_sha1_3; + t_zencod_xdes_cipher *ptr_xdes_1; + t_zencod_rc4_cipher *ptr_rc4_1; + + CHEESE(); + + /* + * We Should add some tests for non NULL parameters or bad value !! + * Stuff to be done ... + */ + + if (zencod_dso != NULL) { + ZENCODerr(ZENCOD_F_ZENCOD_INIT, ZENCOD_R_ALREADY_LOADED); + goto err; + } + /* + * Trying to load the Library "cryptozen" + */ + zencod_dso = DSO_load(NULL, ZENCOD_LIBNAME, NULL, 0); + if (zencod_dso == NULL) { + ZENCODerr(ZENCOD_F_ZENCOD_INIT, ZENCOD_R_DSO_FAILURE); + goto err; + } + + /* + * Trying to load Function from the Library + */ + if (! + (ptr_1 = + (t_zencod_bytes2bits *) DSO_bind_func(zencod_dso, ZENCOD_Fct_1)) +|| !(ptr_2 = (t_zencod_bits2bytes *) DSO_bind_func(zencod_dso, ZENCOD_Fct_2)) +|| !(ptr_3 = (t_zencod_new_number *) DSO_bind_func(zencod_dso, ZENCOD_Fct_3)) +|| !(ptr_4 = (t_zencod_init_number *) DSO_bind_func(zencod_dso, ZENCOD_Fct_4)) +|| !(ptr_exp_1 = + (t_zencod_rsa_mod_exp *) DSO_bind_func(zencod_dso, ZENCOD_Fct_exp_1)) +|| !(ptr_exp_2 = + (t_zencod_rsa_mod_exp_crt *) DSO_bind_func(zencod_dso, ZENCOD_Fct_exp_2)) +|| !(ptr_dsa_1 = + (t_zencod_dsa_do_sign *) DSO_bind_func(zencod_dso, ZENCOD_Fct_dsa_1)) +|| !(ptr_dsa_2 = + (t_zencod_dsa_do_verify *) DSO_bind_func(zencod_dso, ZENCOD_Fct_dsa_2)) +|| !(ptr_dh_1 = + (t_zencod_dh_generate_key *) DSO_bind_func(zencod_dso, ZENCOD_Fct_dh_1)) +|| !(ptr_dh_2 = + (t_zencod_dh_compute_key *) DSO_bind_func(zencod_dso, ZENCOD_Fct_dh_2)) +|| !(ptr_rand_1 = + (t_zencod_rand_bytes *) DSO_bind_func(zencod_dso, ZENCOD_Fct_rand_1)) +|| !(ptr_math_1 = + (t_zencod_math_mod_exp *) DSO_bind_func(zencod_dso, ZENCOD_Fct_math_1)) +|| !(ptr_0 = (t_zencod_test *) DSO_bind_func(zencod_dso, ZENCOD_Fct_0)) +|| !(ptr_md5_1 = + (t_zencod_md5_init *) DSO_bind_func(zencod_dso, ZENCOD_Fct_md5_1)) +|| !(ptr_md5_2 = + (t_zencod_md5_update *) DSO_bind_func(zencod_dso, ZENCOD_Fct_md5_2)) +|| !(ptr_md5_3 = + (t_zencod_md5_do_final *) DSO_bind_func(zencod_dso, ZENCOD_Fct_md5_3)) +|| !(ptr_sha1_1 = + (t_zencod_sha1_init *) DSO_bind_func(zencod_dso, ZENCOD_Fct_sha1_1)) +|| !(ptr_sha1_2 = + (t_zencod_sha1_update *) DSO_bind_func(zencod_dso, ZENCOD_Fct_sha1_2)) +|| !(ptr_sha1_3 = + (t_zencod_sha1_do_final *) DSO_bind_func(zencod_dso, ZENCOD_Fct_sha1_3)) +|| !(ptr_xdes_1 = + (t_zencod_xdes_cipher *) DSO_bind_func(zencod_dso, ZENCOD_Fct_xdes_1)) +|| !(ptr_rc4_1 = + (t_zencod_rc4_cipher *) DSO_bind_func(zencod_dso, ZENCOD_Fct_rc4_1))) { + + ZENCODerr(ZENCOD_F_ZENCOD_INIT, ZENCOD_R_DSO_FAILURE); + goto err; + } + + /* + * The function from "cryptozen" Library have been correctly loaded so + * copy them + */ + ptr_zencod_test = ptr_0; + ptr_zencod_bytes2bits = ptr_1; + ptr_zencod_bits2bytes = ptr_2; + ptr_zencod_new_number = ptr_3; + ptr_zencod_init_number = ptr_4; + ptr_zencod_rsa_mod_exp = ptr_exp_1; + ptr_zencod_rsa_mod_exp_crt = ptr_exp_2; + ptr_zencod_dsa_do_sign = ptr_dsa_1; + ptr_zencod_dsa_do_verify = ptr_dsa_2; + ptr_zencod_dh_generate_key = ptr_dh_1; + ptr_zencod_dh_compute_key = ptr_dh_2; + ptr_zencod_rand_bytes = ptr_rand_1; + ptr_zencod_math_mod_exp = ptr_math_1; + ptr_zencod_test = ptr_0; + ptr_zencod_md5_init = ptr_md5_1; + ptr_zencod_md5_update = ptr_md5_2; + ptr_zencod_md5_do_final = ptr_md5_3; + ptr_zencod_sha1_init = ptr_sha1_1; + ptr_zencod_sha1_update = ptr_sha1_2; + ptr_zencod_sha1_do_final = ptr_sha1_3; + ptr_zencod_xdes_cipher = ptr_xdes_1; + ptr_zencod_rc4_cipher = ptr_rc4_1; + + /* + * We should peform a test to see if there is actually any unit runnig on + * the system ... Even if the cryptozen library is loaded the module coul + * not be loaded on the system ... For now we may just open and close the + * device !! + */ + + if (ptr_zencod_test() != 0) { + ZENCODerr(ZENCOD_F_ZENCOD_INIT, ZENCOD_R_UNIT_FAILURE); + goto err; + } + + return 1; + err: + if (zencod_dso) { + DSO_free(zencod_dso); + } + zencod_dso = NULL; + ptr_zencod_bytes2bits = NULL; + ptr_zencod_bits2bytes = NULL; + ptr_zencod_new_number = NULL; + ptr_zencod_init_number = NULL; + ptr_zencod_rsa_mod_exp = NULL; + ptr_zencod_rsa_mod_exp_crt = NULL; + ptr_zencod_dsa_do_sign = NULL; + ptr_zencod_dsa_do_verify = NULL; + ptr_zencod_dh_generate_key = NULL; + ptr_zencod_dh_compute_key = NULL; + ptr_zencod_rand_bytes = NULL; + ptr_zencod_math_mod_exp = NULL; + ptr_zencod_test = NULL; + ptr_zencod_md5_init = NULL; + ptr_zencod_md5_update = NULL; + ptr_zencod_md5_do_final = NULL; + ptr_zencod_sha1_init = NULL; + ptr_zencod_sha1_update = NULL; + ptr_zencod_sha1_do_final = NULL; + ptr_zencod_xdes_cipher = NULL; + ptr_zencod_rc4_cipher = NULL; + + return 0; } - -static int zencod_finish ( ENGINE *e ) +static int zencod_finish(ENGINE *e) { - CHEESE () ; - - /* - * We Should add some tests for non NULL parameters or bad value !! - * Stuff to be done ... - */ - if ( zencod_dso == NULL ) { - ZENCODerr ( ZENCOD_F_ZENCOD_FINISH, ZENCOD_R_NOT_LOADED ) ; - return 0 ; - } - if ( !DSO_free ( zencod_dso ) ) { - ZENCODerr ( ZENCOD_F_ZENCOD_FINISH, ZENCOD_R_DSO_FAILURE ) ; - return 0 ; - } - - zencod_dso = NULL ; - - ptr_zencod_bytes2bits = NULL ; - ptr_zencod_bits2bytes = NULL ; - ptr_zencod_new_number = NULL ; - ptr_zencod_init_number = NULL ; - ptr_zencod_rsa_mod_exp = NULL ; - ptr_zencod_rsa_mod_exp_crt = NULL ; - ptr_zencod_dsa_do_sign = NULL ; - ptr_zencod_dsa_do_verify = NULL ; - ptr_zencod_dh_generate_key = NULL ; - ptr_zencod_dh_compute_key = NULL ; - ptr_zencod_rand_bytes = NULL ; - ptr_zencod_math_mod_exp = NULL ; - ptr_zencod_test = NULL ; - ptr_zencod_md5_init = NULL ; - ptr_zencod_md5_update = NULL ; - ptr_zencod_md5_do_final = NULL ; - ptr_zencod_sha1_init = NULL ; - ptr_zencod_sha1_update = NULL ; - ptr_zencod_sha1_do_final = NULL ; - ptr_zencod_xdes_cipher = NULL ; - ptr_zencod_rc4_cipher = NULL ; - - return 1 ; + CHEESE(); + + /* + * We Should add some tests for non NULL parameters or bad value !! + * Stuff to be done ... + */ + if (zencod_dso == NULL) { + ZENCODerr(ZENCOD_F_ZENCOD_FINISH, ZENCOD_R_NOT_LOADED); + return 0; + } + if (!DSO_free(zencod_dso)) { + ZENCODerr(ZENCOD_F_ZENCOD_FINISH, ZENCOD_R_DSO_FAILURE); + return 0; + } + + zencod_dso = NULL; + + ptr_zencod_bytes2bits = NULL; + ptr_zencod_bits2bytes = NULL; + ptr_zencod_new_number = NULL; + ptr_zencod_init_number = NULL; + ptr_zencod_rsa_mod_exp = NULL; + ptr_zencod_rsa_mod_exp_crt = NULL; + ptr_zencod_dsa_do_sign = NULL; + ptr_zencod_dsa_do_verify = NULL; + ptr_zencod_dh_generate_key = NULL; + ptr_zencod_dh_compute_key = NULL; + ptr_zencod_rand_bytes = NULL; + ptr_zencod_math_mod_exp = NULL; + ptr_zencod_test = NULL; + ptr_zencod_md5_init = NULL; + ptr_zencod_md5_update = NULL; + ptr_zencod_md5_do_final = NULL; + ptr_zencod_sha1_init = NULL; + ptr_zencod_sha1_update = NULL; + ptr_zencod_sha1_do_final = NULL; + ptr_zencod_xdes_cipher = NULL; + ptr_zencod_rc4_cipher = NULL; + + return 1; } - -static int zencod_ctrl ( ENGINE *e, int cmd, long i, void *p, void (*f) () ) +static int zencod_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) ()) { - int initialised = ( ( zencod_dso == NULL ) ? 0 : 1 ) ; - - CHEESE () ; - - /* - * We Should add some tests for non NULL parameters or bad value !! - * Stuff to be done ... - */ - switch ( cmd ) { - case ZENCOD_CMD_SO_PATH : - if ( p == NULL ) { - ZENCODerr ( ZENCOD_F_ZENCOD_CTRL, ERR_R_PASSED_NULL_PARAMETER ) ; - return 0 ; - } - if ( initialised ) { - ZENCODerr ( ZENCOD_F_ZENCOD_CTRL, ZENCOD_R_ALREADY_LOADED ) ; - return 0 ; - } - ZENCOD_LIBNAME = (const char *) p ; - return 1 ; - default : - break ; - } - - ZENCODerr ( ZENCOD_F_ZENCOD_CTRL, ZENCOD_R_CTRL_COMMAND_NOT_IMPLEMENTED ) ; - - return 0 ; + int initialised = ((zencod_dso == NULL) ? 0 : 1); + + CHEESE(); + + /* + * We Should add some tests for non NULL parameters or bad value !! + * Stuff to be done ... + */ + switch (cmd) { + case ZENCOD_CMD_SO_PATH: + if (p == NULL) { + ZENCODerr(ZENCOD_F_ZENCOD_CTRL, ERR_R_PASSED_NULL_PARAMETER); + return 0; + } + if (initialised) { + ZENCODerr(ZENCOD_F_ZENCOD_CTRL, ZENCOD_R_ALREADY_LOADED); + return 0; + } + ZENCOD_LIBNAME = (const char *)p; + return 1; + default: + break; + } + + ZENCODerr(ZENCOD_F_ZENCOD_CTRL, ZENCOD_R_CTRL_COMMAND_NOT_IMPLEMENTED); + + return 0; } - -/* BIGNUM stuff Functions +/* + * BIGNUM stuff Functions */ -static int zencod_bn_mod_exp ( BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx ) +static int zencod_bn_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, + const BIGNUM *m, BN_CTX *ctx) { - zen_nb_t y, x, e, n; - int ret; + zen_nb_t y, x, e, n; + int ret; - CHEESE () ; + CHEESE(); - if ( !zencod_dso ) { - ENGINEerr(ZENCOD_F_ZENCOD_BN_MOD_EXP, ZENCOD_R_NOT_LOADED); - return 0; - } + if (!zencod_dso) { + ENGINEerr(ZENCOD_F_ZENCOD_BN_MOD_EXP, ZENCOD_R_NOT_LOADED); + return 0; + } - if ( !bn_wexpand(r, m->top + 1) ) { - ENGINEerr(ZENCOD_F_ZENCOD_BN_MOD_EXP, ZENCOD_R_BN_EXPAND_FAIL); - return 0; - } + if (!bn_wexpand(r, m->top + 1)) { + ENGINEerr(ZENCOD_F_ZENCOD_BN_MOD_EXP, ZENCOD_R_BN_EXPAND_FAIL); + return 0; + } - memset(r->d, 0, BN_num_bytes(m)); + memset(r->d, 0, BN_num_bytes(m)); - ptr_zencod_init_number ( &y, (r->dmax - 1) * sizeof (BN_ULONG) * 8, (unsigned char *) r->d ) ; - BIGNUM2ZEN ( &x, a ) ; - BIGNUM2ZEN ( &e, p ) ; - BIGNUM2ZEN ( &n, m ) ; + ptr_zencod_init_number(&y, (r->dmax - 1) * sizeof(BN_ULONG) * 8, + (unsigned char *)r->d); + BIGNUM2ZEN(&x, a); + BIGNUM2ZEN(&e, p); + BIGNUM2ZEN(&n, m); - /* Must invert x and e parameter due to BN mod exp prototype ... */ - ret = ptr_zencod_math_mod_exp ( &y, &e, &x, &n ) ; + /* Must invert x and e parameter due to BN mod exp prototype ... */ + ret = ptr_zencod_math_mod_exp(&y, &e, &x, &n); - if ( ret ) { - PERROR("zenbridge_math_mod_exp"); - ENGINEerr(ZENCOD_F_ZENCOD_BN_MOD_EXP, ZENCOD_R_REQUEST_FAILED); - return 0; - } + if (ret) { + PERROR("zenbridge_math_mod_exp"); + ENGINEerr(ZENCOD_F_ZENCOD_BN_MOD_EXP, ZENCOD_R_REQUEST_FAILED); + return 0; + } - r->top = (BN_num_bits(m) + BN_BITS2 - 1) / BN_BITS2; + r->top = (BN_num_bits(m) + BN_BITS2 - 1) / BN_BITS2; - return 1; + return 1; } - -/* RSA stuff Functions +/* + * RSA stuff Functions */ -#ifndef OPENSSL_NO_RSA -static int RSA_zencod_rsa_mod_exp ( BIGNUM *r0, const BIGNUM *i, RSA *rsa ) +# ifndef OPENSSL_NO_RSA +static int RSA_zencod_rsa_mod_exp(BIGNUM *r0, const BIGNUM *i, RSA *rsa) { - CHEESE () ; - - if ( !zencod_dso ) { - ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP_CRT, ZENCOD_R_NOT_LOADED); - return 0; - } - - if ( !rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp ) { - ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP_CRT, ZENCOD_R_BAD_KEY_COMPONENTS); - return 0; - } - - /* Do in software if argument is too large for hardware */ - if ( RSA_size(rsa) * 8 > ZENBRIDGE_MAX_KEYSIZE_RSA_CRT ) { - const RSA_METHOD *meth; - - meth = RSA_PKCS1_SSLeay(); - return meth->rsa_mod_exp(r0, i, rsa); - } else { - zen_nb_t y, x, p, q, dmp1, dmq1, iqmp; - - if ( !bn_expand(r0, RSA_size(rsa) * 8) ) { - ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP_CRT, ZENCOD_R_BN_EXPAND_FAIL); - return 0; - } - r0->top = (RSA_size(rsa) * 8 + BN_BITS2 - 1) / BN_BITS2; - - BIGNUM2ZEN ( &x, i ) ; - BIGNUM2ZEN ( &y, r0 ) ; - BIGNUM2ZEN ( &p, rsa->p ) ; - BIGNUM2ZEN ( &q, rsa->q ) ; - BIGNUM2ZEN ( &dmp1, rsa->dmp1 ) ; - BIGNUM2ZEN ( &dmq1, rsa->dmq1 ) ; - BIGNUM2ZEN ( &iqmp, rsa->iqmp ) ; - - if ( ptr_zencod_rsa_mod_exp_crt ( &y, &x, &p, &q, &dmp1, &dmq1, &iqmp ) < 0 ) { - PERROR("zenbridge_rsa_mod_exp_crt"); - ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP_CRT, ZENCOD_R_REQUEST_FAILED); - return 0; - } - - return 1; - } + CHEESE(); + + if (!zencod_dso) { + ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP_CRT, ZENCOD_R_NOT_LOADED); + return 0; + } + + if (!rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp) { + ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP_CRT, + ZENCOD_R_BAD_KEY_COMPONENTS); + return 0; + } + + /* Do in software if argument is too large for hardware */ + if (RSA_size(rsa) * 8 > ZENBRIDGE_MAX_KEYSIZE_RSA_CRT) { + const RSA_METHOD *meth; + + meth = RSA_PKCS1_SSLeay(); + return meth->rsa_mod_exp(r0, i, rsa); + } else { + zen_nb_t y, x, p, q, dmp1, dmq1, iqmp; + + if (!bn_expand(r0, RSA_size(rsa) * 8)) { + ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP_CRT, + ZENCOD_R_BN_EXPAND_FAIL); + return 0; + } + r0->top = (RSA_size(rsa) * 8 + BN_BITS2 - 1) / BN_BITS2; + + BIGNUM2ZEN(&x, i); + BIGNUM2ZEN(&y, r0); + BIGNUM2ZEN(&p, rsa->p); + BIGNUM2ZEN(&q, rsa->q); + BIGNUM2ZEN(&dmp1, rsa->dmp1); + BIGNUM2ZEN(&dmq1, rsa->dmq1); + BIGNUM2ZEN(&iqmp, rsa->iqmp); + + if (ptr_zencod_rsa_mod_exp_crt(&y, &x, &p, &q, &dmp1, &dmq1, &iqmp) < + 0) { + PERROR("zenbridge_rsa_mod_exp_crt"); + ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP_CRT, + ZENCOD_R_REQUEST_FAILED); + return 0; + } + + return 1; + } } - -/* This function is aliased to RSA_mod_exp (with the mont stuff dropped). +/* + * This function is aliased to RSA_mod_exp (with the mont stuff dropped). */ -static int RSA_zencod_bn_mod_exp ( BIGNUM *r, const BIGNUM *a, const BIGNUM *p, - const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx ) +static int RSA_zencod_bn_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, + const BIGNUM *m, BN_CTX *ctx, + BN_MONT_CTX *m_ctx) { - CHEESE () ; - - if ( !zencod_dso ) { - ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP, ZENCOD_R_NOT_LOADED); - return 0; - } - - /* Do in software if argument is too large for hardware */ - if ( BN_num_bits(m) > ZENBRIDGE_MAX_KEYSIZE_RSA ) { - const RSA_METHOD *meth; - - meth = RSA_PKCS1_SSLeay(); - return meth->bn_mod_exp(r, a, p, m, ctx, m_ctx); - } else { - zen_nb_t y, x, e, n; - - if ( !bn_expand(r, BN_num_bits(m)) ) { - ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP, ZENCOD_R_BN_EXPAND_FAIL); - return 0; - } - r->top = (BN_num_bits(m) + BN_BITS2 - 1) / BN_BITS2; - - BIGNUM2ZEN ( &x, a ) ; - BIGNUM2ZEN ( &y, r ) ; - BIGNUM2ZEN ( &e, p ) ; - BIGNUM2ZEN ( &n, m ) ; - - if ( ptr_zencod_rsa_mod_exp ( &y, &x, &n, &e ) < 0 ) { - PERROR("zenbridge_rsa_mod_exp"); - ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP, ZENCOD_R_REQUEST_FAILED); - return 0; - } - - return 1; - } + CHEESE(); + + if (!zencod_dso) { + ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP, ZENCOD_R_NOT_LOADED); + return 0; + } + + /* Do in software if argument is too large for hardware */ + if (BN_num_bits(m) > ZENBRIDGE_MAX_KEYSIZE_RSA) { + const RSA_METHOD *meth; + + meth = RSA_PKCS1_SSLeay(); + return meth->bn_mod_exp(r, a, p, m, ctx, m_ctx); + } else { + zen_nb_t y, x, e, n; + + if (!bn_expand(r, BN_num_bits(m))) { + ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP, ZENCOD_R_BN_EXPAND_FAIL); + return 0; + } + r->top = (BN_num_bits(m) + BN_BITS2 - 1) / BN_BITS2; + + BIGNUM2ZEN(&x, a); + BIGNUM2ZEN(&y, r); + BIGNUM2ZEN(&e, p); + BIGNUM2ZEN(&n, m); + + if (ptr_zencod_rsa_mod_exp(&y, &x, &n, &e) < 0) { + PERROR("zenbridge_rsa_mod_exp"); + ENGINEerr(ZENCOD_F_ZENCOD_RSA_MOD_EXP, ZENCOD_R_REQUEST_FAILED); + return 0; + } + + return 1; + } } -#endif /* !OPENSSL_NO_RSA */ - +# endif /* !OPENSSL_NO_RSA */ -#ifndef OPENSSL_NO_DSA -/* DSA stuff Functions +# ifndef OPENSSL_NO_DSA +/* + * DSA stuff Functions */ -static DSA_SIG *DSA_zencod_do_sign ( const unsigned char *dgst, int dlen, DSA *dsa ) +static DSA_SIG *DSA_zencod_do_sign(const unsigned char *dgst, int dlen, + DSA *dsa) { - zen_nb_t p, q, g, x, y, r, s, data; - DSA_SIG *sig; - BIGNUM *bn_r = NULL; - BIGNUM *bn_s = NULL; - char msg[20]; - - CHEESE(); - - if ( !zencod_dso ) { - ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_NOT_LOADED); - goto FAILED; - } - - if ( dlen > 160 ) { - ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_REQUEST_FAILED); - goto FAILED; - } - - /* Do in software if argument is too large for hardware */ - if ( BN_num_bits(dsa->p) > ZENBRIDGE_MAX_KEYSIZE_DSA_SIGN || - BN_num_bits(dsa->g) > ZENBRIDGE_MAX_KEYSIZE_DSA_SIGN ) { - const DSA_METHOD *meth; - ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_BAD_KEY_COMPONENTS); - meth = DSA_OpenSSL(); - return meth->dsa_do_sign(dgst, dlen, dsa); - } - - if ( !(bn_s = BN_new()) || !(bn_r = BN_new()) ) { - ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_BAD_KEY_COMPONENTS); - goto FAILED; - } - - if ( !bn_expand(bn_r, 160) || !bn_expand(bn_s, 160) ) { - ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_BN_EXPAND_FAIL); - goto FAILED; - } - - bn_r->top = bn_s->top = (160 + BN_BITS2 - 1) / BN_BITS2; - BIGNUM2ZEN ( &p, dsa->p ) ; - BIGNUM2ZEN ( &q, dsa->q ) ; - BIGNUM2ZEN ( &g, dsa->g ) ; - BIGNUM2ZEN ( &x, dsa->priv_key ) ; - BIGNUM2ZEN ( &y, dsa->pub_key ) ; - BIGNUM2ZEN ( &r, bn_r ) ; - BIGNUM2ZEN ( &s, bn_s ) ; - q.len = x.len = 160; - - ypcmem(msg, dgst, 20); - ptr_zencod_init_number ( &data, 160, msg ) ; - - if ( ptr_zencod_dsa_do_sign ( 0, &data, &y, &p, &q, &g, &x, &r, &s ) < 0 ) { - PERROR("zenbridge_dsa_do_sign"); - ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_REQUEST_FAILED); - goto FAILED; - } - - if ( !( sig = DSA_SIG_new () ) ) { - ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_REQUEST_FAILED); - goto FAILED; - } - sig->r = bn_r; - sig->s = bn_s; - return sig; + zen_nb_t p, q, g, x, y, r, s, data; + DSA_SIG *sig; + BIGNUM *bn_r = NULL; + BIGNUM *bn_s = NULL; + char msg[20]; + + CHEESE(); + + if (!zencod_dso) { + ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_NOT_LOADED); + goto FAILED; + } + + if (dlen > 160) { + ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_REQUEST_FAILED); + goto FAILED; + } + + /* Do in software if argument is too large for hardware */ + if (BN_num_bits(dsa->p) > ZENBRIDGE_MAX_KEYSIZE_DSA_SIGN || + BN_num_bits(dsa->g) > ZENBRIDGE_MAX_KEYSIZE_DSA_SIGN) { + const DSA_METHOD *meth; + ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_BAD_KEY_COMPONENTS); + meth = DSA_OpenSSL(); + return meth->dsa_do_sign(dgst, dlen, dsa); + } + + if (!(bn_s = BN_new()) || !(bn_r = BN_new())) { + ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_BAD_KEY_COMPONENTS); + goto FAILED; + } + + if (!bn_expand(bn_r, 160) || !bn_expand(bn_s, 160)) { + ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_BN_EXPAND_FAIL); + goto FAILED; + } + + bn_r->top = bn_s->top = (160 + BN_BITS2 - 1) / BN_BITS2; + BIGNUM2ZEN(&p, dsa->p); + BIGNUM2ZEN(&q, dsa->q); + BIGNUM2ZEN(&g, dsa->g); + BIGNUM2ZEN(&x, dsa->priv_key); + BIGNUM2ZEN(&y, dsa->pub_key); + BIGNUM2ZEN(&r, bn_r); + BIGNUM2ZEN(&s, bn_s); + q.len = x.len = 160; + + ypcmem(msg, dgst, 20); + ptr_zencod_init_number(&data, 160, msg); + + if (ptr_zencod_dsa_do_sign(0, &data, &y, &p, &q, &g, &x, &r, &s) < 0) { + PERROR("zenbridge_dsa_do_sign"); + ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_REQUEST_FAILED); + goto FAILED; + } + + if (!(sig = DSA_SIG_new())) { + ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_REQUEST_FAILED); + goto FAILED; + } + sig->r = bn_r; + sig->s = bn_s; + return sig; FAILED: - if (bn_r) - BN_free(bn_r); - if (bn_s) - BN_free(bn_s); - return NULL; + if (bn_r) + BN_free(bn_r); + if (bn_s) + BN_free(bn_s); + return NULL; } - -static int DSA_zencod_do_verify ( const unsigned char *dgst, int dlen, DSA_SIG *sig, DSA *dsa ) +static int DSA_zencod_do_verify(const unsigned char *dgst, int dlen, + DSA_SIG *sig, DSA *dsa) { - zen_nb_t data, p, q, g, y, r, s, v; - char msg[20]; - char v_data[20]; - int ret; - - CHEESE(); - - if ( !zencod_dso ) { - ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_VERIFY, ZENCOD_R_NOT_LOADED); - return 0; - } - - if ( dlen > 160 ) { - ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_REQUEST_FAILED); - return 0; - } - - /* Do in software if argument is too large for hardware */ - if ( BN_num_bits(dsa->p) > ZENBRIDGE_MAX_KEYSIZE_DSA_SIGN || - BN_num_bits(dsa->g) > ZENBRIDGE_MAX_KEYSIZE_DSA_SIGN ) { - const DSA_METHOD *meth; - ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_BAD_KEY_COMPONENTS); - meth = DSA_OpenSSL(); - return meth->dsa_do_verify(dgst, dlen, sig, dsa); - } - - BIGNUM2ZEN ( &p, dsa->p ) ; - BIGNUM2ZEN ( &q, dsa->q ) ; - BIGNUM2ZEN ( &g, dsa->g ) ; - BIGNUM2ZEN ( &y, dsa->pub_key ) ; - BIGNUM2ZEN ( &r, sig->r ) ; - BIGNUM2ZEN ( &s, sig->s ) ; - ptr_zencod_init_number ( &v, 160, v_data ) ; - ypcmem(msg, dgst, 20); - ptr_zencod_init_number ( &data, 160, msg ) ; - - if ( ( ret = ptr_zencod_dsa_do_verify ( 0, &data, &p, &q, &g, &y, &r, &s, &v ) ) < 0 ) { - PERROR("zenbridge_dsa_do_verify"); - ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_VERIFY, ZENCOD_R_REQUEST_FAILED); - return 0; - } - - return ( ( ret == 0 ) ? 1 : ret ) ; + zen_nb_t data, p, q, g, y, r, s, v; + char msg[20]; + char v_data[20]; + int ret; + + CHEESE(); + + if (!zencod_dso) { + ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_VERIFY, ZENCOD_R_NOT_LOADED); + return 0; + } + + if (dlen > 160) { + ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_REQUEST_FAILED); + return 0; + } + + /* Do in software if argument is too large for hardware */ + if (BN_num_bits(dsa->p) > ZENBRIDGE_MAX_KEYSIZE_DSA_SIGN || + BN_num_bits(dsa->g) > ZENBRIDGE_MAX_KEYSIZE_DSA_SIGN) { + const DSA_METHOD *meth; + ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_SIGN, ZENCOD_R_BAD_KEY_COMPONENTS); + meth = DSA_OpenSSL(); + return meth->dsa_do_verify(dgst, dlen, sig, dsa); + } + + BIGNUM2ZEN(&p, dsa->p); + BIGNUM2ZEN(&q, dsa->q); + BIGNUM2ZEN(&g, dsa->g); + BIGNUM2ZEN(&y, dsa->pub_key); + BIGNUM2ZEN(&r, sig->r); + BIGNUM2ZEN(&s, sig->s); + ptr_zencod_init_number(&v, 160, v_data); + ypcmem(msg, dgst, 20); + ptr_zencod_init_number(&data, 160, msg); + + if ((ret = + ptr_zencod_dsa_do_verify(0, &data, &p, &q, &g, &y, &r, &s, + &v)) < 0) { + PERROR("zenbridge_dsa_do_verify"); + ENGINEerr(ZENCOD_F_ZENCOD_DSA_DO_VERIFY, ZENCOD_R_REQUEST_FAILED); + return 0; + } + + return ((ret == 0) ? 1 : ret); } - -static int DSA_zencod_bn_mod_exp ( DSA *dsa, BIGNUM *r, BIGNUM *a, const BIGNUM *p, const BIGNUM *m, - BN_CTX *ctx, BN_MONT_CTX *m_ctx ) +static int DSA_zencod_bn_mod_exp(DSA *dsa, BIGNUM *r, BIGNUM *a, + const BIGNUM *p, const BIGNUM *m, + BN_CTX *ctx, BN_MONT_CTX *m_ctx) { - CHEESE () ; + CHEESE(); - return zencod_bn_mod_exp ( r, a, p, m, ctx ) ; + return zencod_bn_mod_exp(r, a, p, m, ctx); } -#endif /* !OPENSSL_NO_DSA */ +# endif /* !OPENSSL_NO_DSA */ - -#ifndef OPENSSl_NO_DH -/* DH stuff Functions +# ifndef OPENSSl_NO_DH +/* + * DH stuff Functions */ -static int DH_zencod_generate_key ( DH *dh ) +static int DH_zencod_generate_key(DH *dh) { - BIGNUM *bn_prv = NULL; - BIGNUM *bn_pub = NULL; - zen_nb_t y, x, g, p; - int generate_x; - - CHEESE(); - - if ( !zencod_dso ) { - ENGINEerr(ZENCOD_F_ZENCOD_DH_GENERATE, ZENCOD_R_NOT_LOADED); - return 0; - } - - /* Private key */ - if ( dh->priv_key ) { - bn_prv = dh->priv_key; - generate_x = 0; - } else { - if (!(bn_prv = BN_new())) { - ENGINEerr(ZENCOD_F_ZENCOD_DH_GENERATE, ZENCOD_R_BN_EXPAND_FAIL); - goto FAILED; - } - generate_x = 1; - } - - /* Public key */ - if ( dh->pub_key ) - bn_pub = dh->pub_key; - else - if ( !( bn_pub = BN_new () ) ) { - ENGINEerr(ZENCOD_F_ZENCOD_DH_GENERATE, ZENCOD_R_BN_EXPAND_FAIL); - goto FAILED; - } - - /* Expand */ - if ( !bn_wexpand ( bn_prv, dh->p->dmax ) || - !bn_wexpand ( bn_pub, dh->p->dmax ) ) { - ENGINEerr(ZENCOD_F_ZENCOD_DH_GENERATE, ZENCOD_R_BN_EXPAND_FAIL); - goto FAILED; - } - bn_prv->top = dh->p->top; - bn_pub->top = dh->p->top; - - /* Convert all keys */ - BIGNUM2ZEN ( &p, dh->p ) ; - BIGNUM2ZEN ( &g, dh->g ) ; - BIGNUM2ZEN ( &y, bn_pub ) ; - BIGNUM2ZEN ( &x, bn_prv ) ; - x.len = DH_size(dh) * 8; - - /* Adjust the lengths of P and G */ - p.len = ptr_zencod_bytes2bits ( p.data, ZEN_BYTES ( p.len ) ) ; - g.len = ptr_zencod_bytes2bits ( g.data, ZEN_BYTES ( g.len ) ) ; - - /* Send the request to the driver */ - if ( ptr_zencod_dh_generate_key ( &y, &x, &g, &p, generate_x ) < 0 ) { - perror("zenbridge_dh_generate_key"); - ENGINEerr(ZENCOD_F_ZENCOD_DH_GENERATE, ZENCOD_R_REQUEST_FAILED); - goto FAILED; - } - - dh->priv_key = bn_prv; - dh->pub_key = bn_pub; - - return 1; + BIGNUM *bn_prv = NULL; + BIGNUM *bn_pub = NULL; + zen_nb_t y, x, g, p; + int generate_x; + + CHEESE(); + + if (!zencod_dso) { + ENGINEerr(ZENCOD_F_ZENCOD_DH_GENERATE, ZENCOD_R_NOT_LOADED); + return 0; + } + + /* Private key */ + if (dh->priv_key) { + bn_prv = dh->priv_key; + generate_x = 0; + } else { + if (!(bn_prv = BN_new())) { + ENGINEerr(ZENCOD_F_ZENCOD_DH_GENERATE, ZENCOD_R_BN_EXPAND_FAIL); + goto FAILED; + } + generate_x = 1; + } + + /* Public key */ + if (dh->pub_key) + bn_pub = dh->pub_key; + else if (!(bn_pub = BN_new())) { + ENGINEerr(ZENCOD_F_ZENCOD_DH_GENERATE, ZENCOD_R_BN_EXPAND_FAIL); + goto FAILED; + } + + /* Expand */ + if (!bn_wexpand(bn_prv, dh->p->dmax) || !bn_wexpand(bn_pub, dh->p->dmax)) { + ENGINEerr(ZENCOD_F_ZENCOD_DH_GENERATE, ZENCOD_R_BN_EXPAND_FAIL); + goto FAILED; + } + bn_prv->top = dh->p->top; + bn_pub->top = dh->p->top; + + /* Convert all keys */ + BIGNUM2ZEN(&p, dh->p); + BIGNUM2ZEN(&g, dh->g); + BIGNUM2ZEN(&y, bn_pub); + BIGNUM2ZEN(&x, bn_prv); + x.len = DH_size(dh) * 8; + + /* Adjust the lengths of P and G */ + p.len = ptr_zencod_bytes2bits(p.data, ZEN_BYTES(p.len)); + g.len = ptr_zencod_bytes2bits(g.data, ZEN_BYTES(g.len)); + + /* Send the request to the driver */ + if (ptr_zencod_dh_generate_key(&y, &x, &g, &p, generate_x) < 0) { + perror("zenbridge_dh_generate_key"); + ENGINEerr(ZENCOD_F_ZENCOD_DH_GENERATE, ZENCOD_R_REQUEST_FAILED); + goto FAILED; + } + + dh->priv_key = bn_prv; + dh->pub_key = bn_pub; + + return 1; FAILED: - if (!dh->priv_key && bn_prv) - BN_free(bn_prv); - if (!dh->pub_key && bn_pub) - BN_free(bn_pub); + if (!dh->priv_key && bn_prv) + BN_free(bn_prv); + if (!dh->pub_key && bn_pub) + BN_free(bn_pub); - return 0; + return 0; } - -static int DH_zencod_compute_key ( unsigned char *key, const BIGNUM *pub_key, DH *dh ) +static int DH_zencod_compute_key(unsigned char *key, const BIGNUM *pub_key, + DH *dh) { - zen_nb_t y, x, p, k; - - CHEESE(); - - if ( !zencod_dso ) { - ENGINEerr(ZENCOD_F_ZENCOD_DH_COMPUTE, ZENCOD_R_NOT_LOADED); - return 0; - } - - if ( !dh->priv_key ) { - ENGINEerr(ZENCOD_F_ZENCOD_DH_COMPUTE, ZENCOD_R_BAD_KEY_COMPONENTS); - return 0; - } - - /* Convert all keys */ - BIGNUM2ZEN ( &y, pub_key ) ; - BIGNUM2ZEN ( &x, dh->priv_key ) ; - BIGNUM2ZEN ( &p, dh->p ) ; - ptr_zencod_init_number ( &k, p.len, key ) ; - - /* Adjust the lengths */ - p.len = ptr_zencod_bytes2bits ( p.data, ZEN_BYTES ( p.len ) ) ; - y.len = ptr_zencod_bytes2bits ( y.data, ZEN_BYTES ( y.len ) ) ; - x.len = ptr_zencod_bytes2bits ( x.data, ZEN_BYTES ( x.len ) ) ; - - /* Call the hardware */ - if ( ptr_zencod_dh_compute_key ( &k, &y, &x, &p ) < 0 ) { - ENGINEerr(ZENCOD_F_ZENCOD_DH_COMPUTE, ZENCOD_R_REQUEST_FAILED); - return 0; - } - - /* The key must be written MSB -> LSB */ - k.len = ptr_zencod_bytes2bits ( k.data, ZEN_BYTES ( k.len ) ) ; - esrever ( key, ZEN_BYTES ( k.len ) ) ; - - return ZEN_BYTES ( k.len ) ; + zen_nb_t y, x, p, k; + + CHEESE(); + + if (!zencod_dso) { + ENGINEerr(ZENCOD_F_ZENCOD_DH_COMPUTE, ZENCOD_R_NOT_LOADED); + return 0; + } + + if (!dh->priv_key) { + ENGINEerr(ZENCOD_F_ZENCOD_DH_COMPUTE, ZENCOD_R_BAD_KEY_COMPONENTS); + return 0; + } + + /* Convert all keys */ + BIGNUM2ZEN(&y, pub_key); + BIGNUM2ZEN(&x, dh->priv_key); + BIGNUM2ZEN(&p, dh->p); + ptr_zencod_init_number(&k, p.len, key); + + /* Adjust the lengths */ + p.len = ptr_zencod_bytes2bits(p.data, ZEN_BYTES(p.len)); + y.len = ptr_zencod_bytes2bits(y.data, ZEN_BYTES(y.len)); + x.len = ptr_zencod_bytes2bits(x.data, ZEN_BYTES(x.len)); + + /* Call the hardware */ + if (ptr_zencod_dh_compute_key(&k, &y, &x, &p) < 0) { + ENGINEerr(ZENCOD_F_ZENCOD_DH_COMPUTE, ZENCOD_R_REQUEST_FAILED); + return 0; + } + + /* The key must be written MSB -> LSB */ + k.len = ptr_zencod_bytes2bits(k.data, ZEN_BYTES(k.len)); + esrever(key, ZEN_BYTES(k.len)); + + return ZEN_BYTES(k.len); } - -static int DH_zencod_bn_mod_exp ( const DH *dh, BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, - BN_MONT_CTX *m_ctx ) +static int DH_zencod_bn_mod_exp(const DH *dh, BIGNUM *r, const BIGNUM *a, + const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, + BN_MONT_CTX *m_ctx) { - CHEESE () ; + CHEESE(); - return zencod_bn_mod_exp ( r, a, p, m, ctx ) ; + return zencod_bn_mod_exp(r, a, p, m, ctx); } -#endif /* !OPENSSL_NO_DH */ - +# endif /* !OPENSSL_NO_DH */ -/* RAND stuff Functions +/* + * RAND stuff Functions */ -static void RAND_zencod_seed ( const void *buf, int num ) +static void RAND_zencod_seed(const void *buf, int num) { - /* Nothing to do cause our crypto accelerator provide a true random generator */ + /* + * Nothing to do cause our crypto accelerator provide a true random + * generator + */ } - -static int RAND_zencod_rand_bytes ( unsigned char *buf, int num ) +static int RAND_zencod_rand_bytes(unsigned char *buf, int num) { - zen_nb_t r; + zen_nb_t r; - CHEESE(); + CHEESE(); - if ( !zencod_dso ) { - ENGINEerr(ZENCOD_F_ZENCOD_RAND, ZENCOD_R_NOT_LOADED); - return 0; - } + if (!zencod_dso) { + ENGINEerr(ZENCOD_F_ZENCOD_RAND, ZENCOD_R_NOT_LOADED); + return 0; + } - ptr_zencod_init_number ( &r, num * 8, buf ) ; + ptr_zencod_init_number(&r, num * 8, buf); - if ( ptr_zencod_rand_bytes ( &r, ZENBRIDGE_RNG_DIRECT ) < 0 ) { - PERROR("zenbridge_rand_bytes"); - ENGINEerr(ZENCOD_F_ZENCOD_RAND, ZENCOD_R_REQUEST_FAILED); - return 0; - } + if (ptr_zencod_rand_bytes(&r, ZENBRIDGE_RNG_DIRECT) < 0) { + PERROR("zenbridge_rand_bytes"); + ENGINEerr(ZENCOD_F_ZENCOD_RAND, ZENCOD_R_REQUEST_FAILED); + return 0; + } - return 1; + return 1; } - -static int RAND_zencod_rand_status ( void ) +static int RAND_zencod_rand_status(void) { - CHEESE () ; + CHEESE(); - return 1; + return 1; } - -/* This stuff is needed if this ENGINE is being compiled into a self-contained - * shared-library. +/* + * This stuff is needed if this ENGINE is being compiled into a + * self-contained shared-library. */ -#ifdef ENGINE_DYNAMIC_SUPPORT -static int bind_fn ( ENGINE *e, const char *id ) +# ifdef ENGINE_DYNAMIC_SUPPORT +static int bind_fn(ENGINE *e, const char *id) { - if ( id && ( strcmp ( id, engine_zencod_id ) != 0 ) ) { - return 0 ; - } - if ( !bind_helper ( e ) ) { - return 0 ; - } + if (id && (strcmp(id, engine_zencod_id) != 0)) { + return 0; + } + if (!bind_helper(e)) { + return 0; + } - return 1 ; + return 1; } -IMPLEMENT_DYNAMIC_CHECK_FN () -IMPLEMENT_DYNAMIC_BIND_FN ( bind_fn ) -#endif /* ENGINE_DYNAMIC_SUPPORT */ - - - - -/* - * Adding "Digest" and "Cipher" tools ... - * This is in development ... ;-) - * In orfer to code this, i refer to hw_openbsd_dev_crypto and openssl engine made by Geoff Thorpe (if i'm rigth), - * and evp, sha md5 definitions etc ... - */ +IMPLEMENT_DYNAMIC_CHECK_FN() + IMPLEMENT_DYNAMIC_BIND_FN(bind_fn) +# endif /* ENGINE_DYNAMIC_SUPPORT */ + /* + * Adding "Digest" and "Cipher" tools ... + * This is in development ... ;-) + * In orfer to code this, i refer to hw_openbsd_dev_crypto and openssl engine made by Geoff Thorpe (if i'm rigth), + * and evp, sha md5 definitions etc ... + */ /* First add some include ... */ -#include <openssl/evp.h> -#include <openssl/sha.h> -#include <openssl/md5.h> -#include <openssl/rc4.h> -#include <openssl/des.h> - - +# include <openssl/evp.h> +# include <openssl/sha.h> +# include <openssl/md5.h> +# include <openssl/rc4.h> +# include <openssl/des.h> /* Some variables declaration ... */ -/* DONS: - * Disable symetric computation except DES and 3DES, but let part of the code - */ + /* + * DONS: Disable symetric computation except DES and 3DES, but let part + * of the code + */ /* static int engine_digest_nids [ ] = { NID_sha1, NID_md5 } ; */ -static int engine_digest_nids [ ] = { } ; -static int engine_digest_nids_num = 0 ; -/* static int engine_cipher_nids [ ] = { NID_rc4, NID_rc4_40, NID_des_cbc, NID_des_ede3_cbc } ; */ -static int engine_cipher_nids [ ] = { NID_des_cbc, NID_des_ede3_cbc } ; -static int engine_cipher_nids_num = 2 ; +static int engine_digest_nids[] = { }; +static int engine_digest_nids_num = 0; +/* + * static int engine_cipher_nids [ ] = { NID_rc4, NID_rc4_40, NID_des_cbc, + * NID_des_ede3_cbc } ; + */ +static int engine_cipher_nids[] = { NID_des_cbc, NID_des_ede3_cbc }; + +static int engine_cipher_nids_num = 2; /* Function prototype ... */ /* SHA stuff */ -static int engine_sha1_init ( EVP_MD_CTX *ctx ) ; -static int engine_sha1_update ( EVP_MD_CTX *ctx, const void *data, unsigned long count ) ; -static int engine_sha1_final ( EVP_MD_CTX *ctx, unsigned char *md ) ; +static int engine_sha1_init(EVP_MD_CTX *ctx); +static int engine_sha1_update(EVP_MD_CTX *ctx, const void *data, + unsigned long count); +static int engine_sha1_final(EVP_MD_CTX *ctx, unsigned char *md); /* MD5 stuff */ -static int engine_md5_init ( EVP_MD_CTX *ctx ) ; -static int engine_md5_update ( EVP_MD_CTX *ctx, const void *data, unsigned long count ) ; -static int engine_md5_final ( EVP_MD_CTX *ctx, unsigned char *md ) ; - -static int engine_md_cleanup ( EVP_MD_CTX *ctx ) ; -static int engine_md_copy ( EVP_MD_CTX *to, const EVP_MD_CTX *from ) ; +static int engine_md5_init(EVP_MD_CTX *ctx); +static int engine_md5_update(EVP_MD_CTX *ctx, const void *data, + unsigned long count); +static int engine_md5_final(EVP_MD_CTX *ctx, unsigned char *md); +static int engine_md_cleanup(EVP_MD_CTX *ctx); +static int engine_md_copy(EVP_MD_CTX *to, const EVP_MD_CTX *from); /* RC4 Stuff */ -static int engine_rc4_init_key ( EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc ) ; -static int engine_rc4_cipher ( EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl ) ; +static int engine_rc4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, + const unsigned char *iv, int enc); +static int engine_rc4_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, unsigned int inl); /* DES Stuff */ -static int engine_des_init_key ( EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc ) ; -static int engine_des_cbc_cipher ( EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl ) ; +static int engine_des_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, + const unsigned char *iv, int enc); +static int engine_des_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, unsigned int inl); /* 3DES Stuff */ -static int engine_des_ede3_init_key ( EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc ) ; -static int engine_des_ede3_cbc_cipher ( EVP_CIPHER_CTX *ctx, unsigned char *out,const unsigned char *in, unsigned int inl ) ; - -static int engine_cipher_cleanup ( EVP_CIPHER_CTX *ctx ) ; /* cleanup ctx */ +static int engine_des_ede3_init_key(EVP_CIPHER_CTX *ctx, + const unsigned char *key, + const unsigned char *iv, int enc); +static int engine_des_ede3_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, + unsigned int inl); +static int engine_cipher_cleanup(EVP_CIPHER_CTX *ctx); /* cleanup ctx */ /* The one for SHA ... */ -static const EVP_MD engine_sha1_md = -{ - NID_sha1, - NID_sha1WithRSAEncryption, - SHA_DIGEST_LENGTH, - EVP_MD_FLAG_ONESHOT, - /* 0, */ /* EVP_MD_FLAG_ONESHOT = x0001 digest can only handle a single block - * XXX: set according to device info ... */ - engine_sha1_init, - engine_sha1_update, - engine_sha1_final, - engine_md_copy, /* dev_crypto_sha_copy */ - engine_md_cleanup, /* dev_crypto_sha_cleanup */ - EVP_PKEY_RSA_method, - SHA_CBLOCK, - /* sizeof ( EVP_MD * ) + sizeof ( SHA_CTX ) */ - sizeof ( ZEN_MD_DATA ) - /* sizeof ( MD_CTX_DATA ) The message digest data structure ... */ -} ; +static const EVP_MD engine_sha1_md = { + NID_sha1, + NID_sha1WithRSAEncryption, + SHA_DIGEST_LENGTH, + EVP_MD_FLAG_ONESHOT, + /* + * 0, + *//* + * EVP_MD_FLAG_ONESHOT = x0001 digest can only handle a single block * + * XXX: set according to device info ... + */ + engine_sha1_init, + engine_sha1_update, + engine_sha1_final, + engine_md_copy, /* dev_crypto_sha_copy */ + engine_md_cleanup, /* dev_crypto_sha_cleanup */ + EVP_PKEY_RSA_method, + SHA_CBLOCK, + /* sizeof ( EVP_MD * ) + sizeof ( SHA_CTX ) */ + sizeof(ZEN_MD_DATA) + /* + * sizeof ( MD_CTX_DATA ) The message digest data structure ... + */ +}; /* The one for MD5 ... */ -static const EVP_MD engine_md5_md = -{ - NID_md5, - NID_md5WithRSAEncryption, - MD5_DIGEST_LENGTH, - EVP_MD_FLAG_ONESHOT, - /* 0, */ /* EVP_MD_FLAG_ONESHOT = x0001 digest can only handle a single block - * XXX: set according to device info ... */ - engine_md5_init, - engine_md5_update, - engine_md5_final, - engine_md_copy, /* dev_crypto_md5_copy */ - engine_md_cleanup, /* dev_crypto_md5_cleanup */ - EVP_PKEY_RSA_method, - MD5_CBLOCK, - /* sizeof ( EVP_MD * ) + sizeof ( MD5_CTX ) */ - sizeof ( ZEN_MD_DATA ) - /* sizeof ( MD_CTX_DATA ) The message digest data structure ... */ -} ; - +static const EVP_MD engine_md5_md = { + NID_md5, + NID_md5WithRSAEncryption, + MD5_DIGEST_LENGTH, + EVP_MD_FLAG_ONESHOT, + /* + * 0, + *//* + * EVP_MD_FLAG_ONESHOT = x0001 digest can only handle a single block * + * XXX: set according to device info ... + */ + engine_md5_init, + engine_md5_update, + engine_md5_final, + engine_md_copy, /* dev_crypto_md5_copy */ + engine_md_cleanup, /* dev_crypto_md5_cleanup */ + EVP_PKEY_RSA_method, + MD5_CBLOCK, + /* sizeof ( EVP_MD * ) + sizeof ( MD5_CTX ) */ + sizeof(ZEN_MD_DATA) + /* + * sizeof ( MD_CTX_DATA ) The message digest data structure ... + */ +}; /* The one for RC4 ... */ -#define EVP_RC4_KEY_SIZE 16 +# define EVP_RC4_KEY_SIZE 16 /* Try something static ... */ -typedef struct -{ - unsigned int len ; - unsigned int first ; - unsigned char rc4_state [ 260 ] ; -} NEW_ZEN_RC4_KEY ; - -#define rc4_data(ctx) ( (EVP_RC4_KEY *) ( ctx )->cipher_data ) - -static const EVP_CIPHER engine_rc4 = -{ - NID_rc4, - 1, - 16, /* EVP_RC4_KEY_SIZE should be 128 bits */ - 0, /* FIXME: key should be up to 256 bytes */ - EVP_CIPH_VARIABLE_LENGTH, - engine_rc4_init_key, - engine_rc4_cipher, - engine_cipher_cleanup, - sizeof ( NEW_ZEN_RC4_KEY ), - NULL, - NULL, - NULL -} ; +typedef struct { + unsigned int len; + unsigned int first; + unsigned char rc4_state[260]; +} NEW_ZEN_RC4_KEY; + +# define rc4_data(ctx) ( (EVP_RC4_KEY *) ( ctx )->cipher_data ) + +static const EVP_CIPHER engine_rc4 = { + NID_rc4, + 1, + 16, /* EVP_RC4_KEY_SIZE should be 128 bits */ + 0, /* FIXME: key should be up to 256 bytes */ + EVP_CIPH_VARIABLE_LENGTH, + engine_rc4_init_key, + engine_rc4_cipher, + engine_cipher_cleanup, + sizeof(NEW_ZEN_RC4_KEY), + NULL, + NULL, + NULL +}; /* The one for RC4_40 ... */ -static const EVP_CIPHER engine_rc4_40 = -{ - NID_rc4_40, - 1, - 5, /* 40 bits */ - 0, - EVP_CIPH_VARIABLE_LENGTH, - engine_rc4_init_key, - engine_rc4_cipher, - engine_cipher_cleanup, - sizeof ( NEW_ZEN_RC4_KEY ), - NULL, - NULL, - NULL -} ; +static const EVP_CIPHER engine_rc4_40 = { + NID_rc4_40, + 1, + 5, /* 40 bits */ + 0, + EVP_CIPH_VARIABLE_LENGTH, + engine_rc4_init_key, + engine_rc4_cipher, + engine_cipher_cleanup, + sizeof(NEW_ZEN_RC4_KEY), + NULL, + NULL, + NULL +}; /* The one for DES ... */ /* Try something static ... */ -typedef struct -{ - unsigned char des_key [ 24 ] ; - unsigned char des_iv [ 8 ] ; -} ZEN_DES_KEY ; - -static const EVP_CIPHER engine_des_cbc = - { - NID_des_cbc, - 8, 8, 8, - 0 | EVP_CIPH_CBC_MODE, - engine_des_init_key, - engine_des_cbc_cipher, - engine_cipher_cleanup, - sizeof(ZEN_DES_KEY), - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, - NULL, - NULL - }; +typedef struct { + unsigned char des_key[24]; + unsigned char des_iv[8]; +} ZEN_DES_KEY; + +static const EVP_CIPHER engine_des_cbc = { + NID_des_cbc, + 8, 8, 8, + 0 | EVP_CIPH_CBC_MODE, + engine_des_init_key, + engine_des_cbc_cipher, + engine_cipher_cleanup, + sizeof(ZEN_DES_KEY), + EVP_CIPHER_set_asn1_iv, + EVP_CIPHER_get_asn1_iv, + NULL, + NULL +}; /* The one for 3DES ... */ /* Try something static ... */ -typedef struct -{ - unsigned char des3_key [ 24 ] ; - unsigned char des3_iv [ 8 ] ; -} ZEN_3DES_KEY ; - -#define des_data(ctx) ( (DES_EDE_KEY *) ( ctx )->cipher_data ) - -static const EVP_CIPHER engine_des_ede3_cbc = - { - NID_des_ede3_cbc, - 8, 8, 8, - 0 | EVP_CIPH_CBC_MODE, - engine_des_ede3_init_key, - engine_des_ede3_cbc_cipher, - engine_cipher_cleanup, - sizeof(ZEN_3DES_KEY), - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, - NULL, - NULL - }; - +typedef struct { + unsigned char des3_key[24]; + unsigned char des3_iv[8]; +} ZEN_3DES_KEY; + +# define des_data(ctx) ( (DES_EDE_KEY *) ( ctx )->cipher_data ) + +static const EVP_CIPHER engine_des_ede3_cbc = { + NID_des_ede3_cbc, + 8, 8, 8, + 0 | EVP_CIPH_CBC_MODE, + engine_des_ede3_init_key, + engine_des_ede3_cbc_cipher, + engine_cipher_cleanup, + sizeof(ZEN_3DES_KEY), + EVP_CIPHER_set_asn1_iv, + EVP_CIPHER_get_asn1_iv, + NULL, + NULL +}; /* General function cloned on hw_openbsd_dev_crypto one ... */ -static int engine_digests ( ENGINE *e, const EVP_MD **digest, const int **nids, int nid ) +static int engine_digests(ENGINE *e, const EVP_MD **digest, const int **nids, + int nid) { -#ifdef DEBUG_ZENCOD_MD - fprintf ( stderr, "\t=>Function : static int engine_digests () called !\n" ) ; -#endif - - if ( !digest ) { - /* We are returning a list of supported nids */ - *nids = engine_digest_nids ; - return engine_digest_nids_num ; - } - /* We are being asked for a specific digest */ - if ( nid == NID_md5 ) { - *digest = &engine_md5_md ; - } - else if ( nid == NID_sha1 ) { - *digest = &engine_sha1_md ; - } - else { - *digest = NULL ; - return 0 ; - } - return 1 ; +# ifdef DEBUG_ZENCOD_MD + fprintf(stderr, "\t=>Function : static int engine_digests () called !\n"); +# endif + + if (!digest) { + /* We are returning a list of supported nids */ + *nids = engine_digest_nids; + return engine_digest_nids_num; + } + /* We are being asked for a specific digest */ + if (nid == NID_md5) { + *digest = &engine_md5_md; + } else if (nid == NID_sha1) { + *digest = &engine_sha1_md; + } else { + *digest = NULL; + return 0; + } + return 1; } - -/* SHA stuff Functions +/* + * SHA stuff Functions */ -static int engine_sha1_init ( EVP_MD_CTX *ctx ) +static int engine_sha1_init(EVP_MD_CTX *ctx) { - int to_return = 0 ; + int to_return = 0; - /* Test with zenbridge library ... */ - to_return = ptr_zencod_sha1_init ( (ZEN_MD_DATA *) ctx->md_data ) ; - to_return = !to_return ; + /* Test with zenbridge library ... */ + to_return = ptr_zencod_sha1_init((ZEN_MD_DATA *)ctx->md_data); + to_return = !to_return; - return to_return ; + return to_return; } - -static int engine_sha1_update ( EVP_MD_CTX *ctx, const void *data, unsigned long count ) +static int engine_sha1_update(EVP_MD_CTX *ctx, const void *data, + unsigned long count) { - zen_nb_t input ; - int to_return = 0 ; + zen_nb_t input; + int to_return = 0; - /* Convert parameters ... */ - input.len = count ; - input.data = (unsigned char *) data ; + /* Convert parameters ... */ + input.len = count; + input.data = (unsigned char *)data; - /* Test with zenbridge library ... */ - to_return = ptr_zencod_sha1_update ( (ZEN_MD_DATA *) ctx->md_data, (const zen_nb_t *) &input ) ; - to_return = !to_return ; + /* Test with zenbridge library ... */ + to_return = + ptr_zencod_sha1_update((ZEN_MD_DATA *)ctx->md_data, + (const zen_nb_t *)&input); + to_return = !to_return; - return to_return ; + return to_return; } - -static int engine_sha1_final ( EVP_MD_CTX *ctx, unsigned char *md ) +static int engine_sha1_final(EVP_MD_CTX *ctx, unsigned char *md) { - zen_nb_t output ; - int to_return = 0 ; + zen_nb_t output; + int to_return = 0; - /* Convert parameters ... */ - output.len = SHA_DIGEST_LENGTH ; - output.data = md ; + /* Convert parameters ... */ + output.len = SHA_DIGEST_LENGTH; + output.data = md; - /* Test with zenbridge library ... */ - to_return = ptr_zencod_sha1_do_final ( (ZEN_MD_DATA *) ctx->md_data, (zen_nb_t *) &output ) ; - to_return = !to_return ; + /* Test with zenbridge library ... */ + to_return = + ptr_zencod_sha1_do_final((ZEN_MD_DATA *)ctx->md_data, + (zen_nb_t *) & output); + to_return = !to_return; - return to_return ; + return to_return; } - - -/* MD5 stuff Functions +/* + * MD5 stuff Functions */ -static int engine_md5_init ( EVP_MD_CTX *ctx ) +static int engine_md5_init(EVP_MD_CTX *ctx) { - int to_return = 0 ; + int to_return = 0; - /* Test with zenbridge library ... */ - to_return = ptr_zencod_md5_init ( (ZEN_MD_DATA *) ctx->md_data ) ; - to_return = !to_return ; + /* Test with zenbridge library ... */ + to_return = ptr_zencod_md5_init((ZEN_MD_DATA *)ctx->md_data); + to_return = !to_return; - return to_return ; + return to_return; } - -static int engine_md5_update ( EVP_MD_CTX *ctx, const void *data, unsigned long count ) +static int engine_md5_update(EVP_MD_CTX *ctx, const void *data, + unsigned long count) { - zen_nb_t input ; - int to_return = 0 ; + zen_nb_t input; + int to_return = 0; - /* Convert parameters ... */ - input.len = count ; - input.data = (unsigned char *) data ; + /* Convert parameters ... */ + input.len = count; + input.data = (unsigned char *)data; - /* Test with zenbridge library ... */ - to_return = ptr_zencod_md5_update ( (ZEN_MD_DATA *) ctx->md_data, (const zen_nb_t *) &input ) ; - to_return = !to_return ; + /* Test with zenbridge library ... */ + to_return = + ptr_zencod_md5_update((ZEN_MD_DATA *)ctx->md_data, + (const zen_nb_t *)&input); + to_return = !to_return; - return to_return ; + return to_return; } - -static int engine_md5_final ( EVP_MD_CTX *ctx, unsigned char *md ) +static int engine_md5_final(EVP_MD_CTX *ctx, unsigned char *md) { - zen_nb_t output ; - int to_return = 0 ; + zen_nb_t output; + int to_return = 0; - /* Convert parameters ... */ - output.len = MD5_DIGEST_LENGTH ; - output.data = md ; + /* Convert parameters ... */ + output.len = MD5_DIGEST_LENGTH; + output.data = md; - /* Test with zenbridge library ... */ - to_return = ptr_zencod_md5_do_final ( (ZEN_MD_DATA *) ctx->md_data, (zen_nb_t *) &output ) ; - to_return = !to_return ; + /* Test with zenbridge library ... */ + to_return = + ptr_zencod_md5_do_final((ZEN_MD_DATA *)ctx->md_data, + (zen_nb_t *) & output); + to_return = !to_return; - return to_return ; + return to_return; } - -static int engine_md_cleanup ( EVP_MD_CTX *ctx ) +static int engine_md_cleanup(EVP_MD_CTX *ctx) { - ZEN_MD_DATA *zen_md_data = (ZEN_MD_DATA *) ctx->md_data ; + ZEN_MD_DATA *zen_md_data = (ZEN_MD_DATA *)ctx->md_data; - if ( zen_md_data->HashBuffer != NULL ) { - OPENSSL_free ( zen_md_data->HashBuffer ) ; - zen_md_data->HashBufferSize = 0 ; - ctx->md_data = NULL ; - } + if (zen_md_data->HashBuffer != NULL) { + OPENSSL_free(zen_md_data->HashBuffer); + zen_md_data->HashBufferSize = 0; + ctx->md_data = NULL; + } - return 1 ; + return 1; } - -static int engine_md_copy ( EVP_MD_CTX *to, const EVP_MD_CTX *from ) +static int engine_md_copy(EVP_MD_CTX *to, const EVP_MD_CTX *from) { - const ZEN_MD_DATA *from_md = (ZEN_MD_DATA *) from->md_data ; - ZEN_MD_DATA *to_md = (ZEN_MD_DATA *) to->md_data ; + const ZEN_MD_DATA *from_md = (ZEN_MD_DATA *)from->md_data; + ZEN_MD_DATA *to_md = (ZEN_MD_DATA *)to->md_data; - to_md->HashBuffer = OPENSSL_malloc ( from_md->HashBufferSize ) ; - memcpy ( to_md->HashBuffer, from_md->HashBuffer, from_md->HashBufferSize ) ; + to_md->HashBuffer = OPENSSL_malloc(from_md->HashBufferSize); + memcpy(to_md->HashBuffer, from_md->HashBuffer, from_md->HashBufferSize); - return 1; + return 1; } - /* General function cloned on hw_openbsd_dev_crypto one ... */ -static int engine_ciphers ( ENGINE *e, const EVP_CIPHER **cipher, const int **nids, int nid ) +static int engine_ciphers(ENGINE *e, const EVP_CIPHER **cipher, + const int **nids, int nid) { - if ( !cipher ) { - /* We are returning a list of supported nids */ - *nids = engine_cipher_nids ; - return engine_cipher_nids_num ; - } - /* We are being asked for a specific cipher */ - if ( nid == NID_rc4 ) { - *cipher = &engine_rc4 ; - } - else if ( nid == NID_rc4_40 ) { - *cipher = &engine_rc4_40 ; - } - else if ( nid == NID_des_cbc ) { - *cipher = &engine_des_cbc ; - } - else if ( nid == NID_des_ede3_cbc ) { - *cipher = &engine_des_ede3_cbc ; - } - else { - *cipher = NULL ; - return 0 ; - } - - return 1 ; + if (!cipher) { + /* We are returning a list of supported nids */ + *nids = engine_cipher_nids; + return engine_cipher_nids_num; + } + /* We are being asked for a specific cipher */ + if (nid == NID_rc4) { + *cipher = &engine_rc4; + } else if (nid == NID_rc4_40) { + *cipher = &engine_rc4_40; + } else if (nid == NID_des_cbc) { + *cipher = &engine_des_cbc; + } else if (nid == NID_des_ede3_cbc) { + *cipher = &engine_des_ede3_cbc; + } else { + *cipher = NULL; + return 0; + } + + return 1; } - -static int engine_rc4_init_key ( EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc ) +static int engine_rc4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, + const unsigned char *iv, int enc) { - int to_return = 0 ; - int i = 0 ; - int nb = 0 ; - NEW_ZEN_RC4_KEY *tmp_rc4_key = NULL ; - - tmp_rc4_key = (NEW_ZEN_RC4_KEY *) ( ctx->cipher_data ) ; - tmp_rc4_key->first = 0 ; - tmp_rc4_key->len = ctx->key_len ; - tmp_rc4_key->rc4_state [ 0 ] = 0x00 ; - tmp_rc4_key->rc4_state [ 2 ] = 0x00 ; - nb = 256 / ctx->key_len ; - for ( i = 0; i < nb ; i++ ) { - memcpy ( &( tmp_rc4_key->rc4_state [ 4 + i*ctx->key_len ] ), key, ctx->key_len ) ; - } - - to_return = 1 ; - - return to_return ; + int to_return = 0; + int i = 0; + int nb = 0; + NEW_ZEN_RC4_KEY *tmp_rc4_key = NULL; + + tmp_rc4_key = (NEW_ZEN_RC4_KEY *) (ctx->cipher_data); + tmp_rc4_key->first = 0; + tmp_rc4_key->len = ctx->key_len; + tmp_rc4_key->rc4_state[0] = 0x00; + tmp_rc4_key->rc4_state[2] = 0x00; + nb = 256 / ctx->key_len; + for (i = 0; i < nb; i++) { + memcpy(&(tmp_rc4_key->rc4_state[4 + i * ctx->key_len]), key, + ctx->key_len); + } + + to_return = 1; + + return to_return; } - -static int engine_rc4_cipher ( EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int in_len ) +static int engine_rc4_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, unsigned int in_len) { - zen_nb_t output, input ; - zen_nb_t rc4key ; - int to_return = 0 ; - NEW_ZEN_RC4_KEY *tmp_rc4_key = NULL ; - - /* Convert parameters ... */ - input.len = in_len ; - input.data = (unsigned char *) in ; - output.len = in_len ; - output.data = (unsigned char *) out ; - - tmp_rc4_key = ( (NEW_ZEN_RC4_KEY *) ( ctx->cipher_data ) ) ; - rc4key.len = 260 ; - rc4key.data = &( tmp_rc4_key->rc4_state [ 0 ] ) ; - - /* Test with zenbridge library ... */ - to_return = ptr_zencod_rc4_cipher ( &output, &input, (const zen_nb_t *) &rc4key, &( tmp_rc4_key->rc4_state [0] ), &( tmp_rc4_key->rc4_state [3] ), !tmp_rc4_key->first ) ; - to_return = !to_return ; - - /* Update encryption state ... */ - tmp_rc4_key->first = 1 ; - tmp_rc4_key = NULL ; - - return to_return ; + zen_nb_t output, input; + zen_nb_t rc4key; + int to_return = 0; + NEW_ZEN_RC4_KEY *tmp_rc4_key = NULL; + + /* Convert parameters ... */ + input.len = in_len; + input.data = (unsigned char *)in; + output.len = in_len; + output.data = (unsigned char *)out; + + tmp_rc4_key = ((NEW_ZEN_RC4_KEY *) (ctx->cipher_data)); + rc4key.len = 260; + rc4key.data = &(tmp_rc4_key->rc4_state[0]); + + /* Test with zenbridge library ... */ + to_return = + ptr_zencod_rc4_cipher(&output, &input, (const zen_nb_t *)&rc4key, + &(tmp_rc4_key->rc4_state[0]), + &(tmp_rc4_key->rc4_state[3]), + !tmp_rc4_key->first); + to_return = !to_return; + + /* Update encryption state ... */ + tmp_rc4_key->first = 1; + tmp_rc4_key = NULL; + + return to_return; } - -static int engine_des_init_key ( EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc ) +static int engine_des_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, + const unsigned char *iv, int enc) { - ZEN_DES_KEY *tmp_des_key = NULL ; - int to_return = 0 ; + ZEN_DES_KEY *tmp_des_key = NULL; + int to_return = 0; - tmp_des_key = (ZEN_DES_KEY *) ( ctx->cipher_data ) ; - memcpy ( &( tmp_des_key->des_key [ 0 ] ), key, 8 ) ; - memcpy ( &( tmp_des_key->des_key [ 8 ] ), key, 8 ) ; - memcpy ( &( tmp_des_key->des_key [ 16 ] ), key, 8 ) ; - memcpy ( &( tmp_des_key->des_iv [ 0 ] ), iv, 8 ) ; + tmp_des_key = (ZEN_DES_KEY *) (ctx->cipher_data); + memcpy(&(tmp_des_key->des_key[0]), key, 8); + memcpy(&(tmp_des_key->des_key[8]), key, 8); + memcpy(&(tmp_des_key->des_key[16]), key, 8); + memcpy(&(tmp_des_key->des_iv[0]), iv, 8); - to_return = 1 ; + to_return = 1; - return to_return ; + return to_return; } - -static int engine_des_cbc_cipher ( EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl ) +static int engine_des_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, unsigned int inl) { - zen_nb_t output, input ; - zen_nb_t deskey_1, deskey_2, deskey_3, iv ; - int to_return = 0 ; - - /* Convert parameters ... */ - input.len = inl ; - input.data = (unsigned char *) in ; - output.len = inl ; - output.data = out ; - - /* Set key parameters ... */ - deskey_1.len = 8 ; - deskey_2.len = 8 ; - deskey_3.len = 8 ; - deskey_1.data = (unsigned char *) ( (ZEN_DES_KEY *) ( ctx->cipher_data ) )->des_key ; - deskey_2.data = (unsigned char *) &( (ZEN_DES_KEY *) ( ctx->cipher_data ) )->des_key [ 8 ] ; - deskey_3.data = (unsigned char *) &( (ZEN_DES_KEY *) ( ctx->cipher_data ) )->des_key [ 16 ] ; - - /* Key correct iv ... */ - memcpy ( ( (ZEN_DES_KEY *) ( ctx->cipher_data ) )->des_iv, ctx->iv, 8 ) ; - iv.len = 8 ; - iv.data = (unsigned char *) ( (ZEN_DES_KEY *) ( ctx->cipher_data ) )->des_iv ; - - if ( ctx->encrypt == 0 ) { - memcpy ( ctx->iv, &( input.data [ input.len - 8 ] ), 8 ) ; - } - - /* Test with zenbridge library ... */ - to_return = ptr_zencod_xdes_cipher ( &output, &input, - (zen_nb_t *) &deskey_1, (zen_nb_t *) &deskey_2, (zen_nb_t *) &deskey_3, &iv, ctx->encrypt ) ; - to_return = !to_return ; - - /* But we need to set up the rigth iv ... - * Test ENCRYPT or DECRYPT mode to set iv ... */ - if ( ctx->encrypt == 1 ) { - memcpy ( ctx->iv, &( output.data [ output.len - 8 ] ), 8 ) ; - } - - return to_return ; + zen_nb_t output, input; + zen_nb_t deskey_1, deskey_2, deskey_3, iv; + int to_return = 0; + + /* Convert parameters ... */ + input.len = inl; + input.data = (unsigned char *)in; + output.len = inl; + output.data = out; + + /* Set key parameters ... */ + deskey_1.len = 8; + deskey_2.len = 8; + deskey_3.len = 8; + deskey_1.data = + (unsigned char *)((ZEN_DES_KEY *) (ctx->cipher_data))->des_key; + deskey_2.data = + (unsigned char *)&((ZEN_DES_KEY *) (ctx->cipher_data))->des_key[8]; + deskey_3.data = + (unsigned char *)&((ZEN_DES_KEY *) (ctx->cipher_data))->des_key[16]; + + /* Key correct iv ... */ + memcpy(((ZEN_DES_KEY *) (ctx->cipher_data))->des_iv, ctx->iv, 8); + iv.len = 8; + iv.data = (unsigned char *)((ZEN_DES_KEY *) (ctx->cipher_data))->des_iv; + + if (ctx->encrypt == 0) { + memcpy(ctx->iv, &(input.data[input.len - 8]), 8); + } + + /* Test with zenbridge library ... */ + to_return = ptr_zencod_xdes_cipher(&output, &input, + (zen_nb_t *) & deskey_1, + (zen_nb_t *) & deskey_2, + (zen_nb_t *) & deskey_3, &iv, + ctx->encrypt); + to_return = !to_return; + + /* + * But we need to set up the rigth iv ... Test ENCRYPT or DECRYPT mode to + * set iv ... + */ + if (ctx->encrypt == 1) { + memcpy(ctx->iv, &(output.data[output.len - 8]), 8); + } + + return to_return; } - -static int engine_des_ede3_init_key ( EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc ) +static int engine_des_ede3_init_key(EVP_CIPHER_CTX *ctx, + const unsigned char *key, + const unsigned char *iv, int enc) { - ZEN_3DES_KEY *tmp_3des_key = NULL ; - int to_return = 0 ; + ZEN_3DES_KEY *tmp_3des_key = NULL; + int to_return = 0; - tmp_3des_key = (ZEN_3DES_KEY *) ( ctx->cipher_data ) ; - memcpy ( &( tmp_3des_key->des3_key [ 0 ] ), key, 24 ) ; - memcpy ( &( tmp_3des_key->des3_iv [ 0 ] ), iv, 8 ) ; + tmp_3des_key = (ZEN_3DES_KEY *) (ctx->cipher_data); + memcpy(&(tmp_3des_key->des3_key[0]), key, 24); + memcpy(&(tmp_3des_key->des3_iv[0]), iv, 8); - to_return = 1; + to_return = 1; - return to_return ; + return to_return; } - -static int engine_des_ede3_cbc_cipher ( EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, - unsigned int in_len ) +static int engine_des_ede3_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, + unsigned int in_len) { - zen_nb_t output, input ; - zen_nb_t deskey_1, deskey_2, deskey_3, iv ; - int to_return = 0 ; - - /* Convert parameters ... */ - input.len = in_len ; - input.data = (unsigned char *) in ; - output.len = in_len ; - output.data = out ; - - /* Set key ... */ - deskey_1.len = 8 ; - deskey_2.len = 8 ; - deskey_3.len = 8 ; - deskey_1.data = (unsigned char *) ( (ZEN_3DES_KEY *) ( ctx->cipher_data ) )->des3_key ; - deskey_2.data = (unsigned char *) &( (ZEN_3DES_KEY *) ( ctx->cipher_data ) )->des3_key [ 8 ] ; - deskey_3.data = (unsigned char *) &( (ZEN_3DES_KEY *) ( ctx->cipher_data ) )->des3_key [ 16 ] ; - - /* Key correct iv ... */ - memcpy ( ( (ZEN_3DES_KEY *) ( ctx->cipher_data ) )->des3_iv, ctx->iv, 8 ) ; - iv.len = 8 ; - iv.data = (unsigned char *) ( (ZEN_3DES_KEY *) ( ctx->cipher_data ) )->des3_iv ; - - if ( ctx->encrypt == 0 ) { - memcpy ( ctx->iv, &( input.data [ input.len - 8 ] ), 8 ) ; - } - - /* Test with zenbridge library ... */ - to_return = ptr_zencod_xdes_cipher ( &output, &input, - (zen_nb_t *) &deskey_1, (zen_nb_t *) &deskey_2, (zen_nb_t *) &deskey_3, &iv, ctx->encrypt ) ; - to_return = !to_return ; - - if ( ctx->encrypt == 1 ) { - memcpy ( ctx->iv, &( output.data [ output.len - 8 ] ), 8 ) ; - } - - return to_return ; + zen_nb_t output, input; + zen_nb_t deskey_1, deskey_2, deskey_3, iv; + int to_return = 0; + + /* Convert parameters ... */ + input.len = in_len; + input.data = (unsigned char *)in; + output.len = in_len; + output.data = out; + + /* Set key ... */ + deskey_1.len = 8; + deskey_2.len = 8; + deskey_3.len = 8; + deskey_1.data = + (unsigned char *)((ZEN_3DES_KEY *) (ctx->cipher_data))->des3_key; + deskey_2.data = + (unsigned char *)&((ZEN_3DES_KEY *) (ctx->cipher_data))->des3_key[8]; + deskey_3.data = + (unsigned char *)&((ZEN_3DES_KEY *) (ctx->cipher_data))->des3_key[16]; + + /* Key correct iv ... */ + memcpy(((ZEN_3DES_KEY *) (ctx->cipher_data))->des3_iv, ctx->iv, 8); + iv.len = 8; + iv.data = (unsigned char *)((ZEN_3DES_KEY *) (ctx->cipher_data))->des3_iv; + + if (ctx->encrypt == 0) { + memcpy(ctx->iv, &(input.data[input.len - 8]), 8); + } + + /* Test with zenbridge library ... */ + to_return = ptr_zencod_xdes_cipher(&output, &input, + (zen_nb_t *) & deskey_1, + (zen_nb_t *) & deskey_2, + (zen_nb_t *) & deskey_3, &iv, + ctx->encrypt); + to_return = !to_return; + + if (ctx->encrypt == 1) { + memcpy(ctx->iv, &(output.data[output.len - 8]), 8); + } + + return to_return; } - -static int engine_cipher_cleanup ( EVP_CIPHER_CTX *ctx ) +static int engine_cipher_cleanup(EVP_CIPHER_CTX *ctx) { - /* Set the key pointer ... */ - if ( ctx->cipher->nid == NID_rc4 || ctx->cipher->nid == NID_rc4_40 ) { - } - else if ( ctx->cipher->nid == NID_des_cbc ) { - } - else if ( ctx->cipher->nid == NID_des_ede3_cbc ) { - } + /* Set the key pointer ... */ + if (ctx->cipher->nid == NID_rc4 || ctx->cipher->nid == NID_rc4_40) { + } else if (ctx->cipher->nid == NID_des_cbc) { + } else if (ctx->cipher->nid == NID_des_ede3_cbc) { + } - return 1 ; + return 1; } - -#endif /* !OPENSSL_NO_HW_ZENCOD */ -#endif /* !OPENSSL_NO_HW */ +# endif /* !OPENSSL_NO_HW_ZENCOD */ +#endif /* !OPENSSL_NO_HW */ |