diff options
Diffstat (limited to 'openssl/demos/engines/cluster_labs/hw_cluster_labs.c')
| -rw-r--r-- | openssl/demos/engines/cluster_labs/hw_cluster_labs.c | 721 |
1 files changed, 721 insertions, 0 deletions
diff --git a/openssl/demos/engines/cluster_labs/hw_cluster_labs.c b/openssl/demos/engines/cluster_labs/hw_cluster_labs.c new file mode 100644 index 000000000..036f48baf --- /dev/null +++ b/openssl/demos/engines/cluster_labs/hw_cluster_labs.c @@ -0,0 +1,721 @@ +/* crypto/engine/hw_cluster_labs.c */ +/* Written by Jan Tschirschwitz (jan.tschirschwitz@cluster-labs.com + * for the OpenSSL project 2000. + */ +/* ==================================================================== + * Copyright (c) 1999 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * licensing@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#define MSC_VER /* only used cryptic.h */ + +#include <stdio.h> +#include <openssl/crypto.h> +#include <openssl/dso.h> +#include <openssl/des.h> +#include <openssl/engine.h> + +#ifndef NO_HW +#ifndef NO_HW_CLUSTER_LABS + +#ifdef FLAT_INC +#include "cluster_labs.h" +#else +#include "vendor_defns/cluster_labs.h" +#endif + +#define CL_LIB_NAME "cluster_labs engine" +#include "hw_cluster_labs_err.c" + + +static int cluster_labs_destroy(ENGINE *e); +static int cluster_labs_init(ENGINE *e); +static int cluster_labs_finish(ENGINE *e); +static int cluster_labs_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)()); + + +/* BIGNUM stuff */ +/* This function is aliased to mod_exp (with the mont stuff dropped). */ +static int cluster_labs_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, + const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); + +/* RSA stuff */ +#ifndef OPENSSL_NO_RSA +static int cluster_labs_rsa_pub_enc(int flen, const unsigned char *from, + unsigned char *to, RSA *rsa, int padding); +static int cluster_labs_rsa_pub_dec(int flen, const unsigned char *from, + unsigned char *to, RSA *rsa, int padding); +static int cluster_labs_rsa_priv_enc(int flen, const unsigned char *from, + unsigned char *to, RSA *rsa, int padding); +static int cluster_labs_rsa_priv_dec(int flen, const unsigned char *from, + unsigned char *to, RSA *rsa, int padding); +static int cluster_labs_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa); +#endif + +/* DSA stuff */ +#ifndef OPENSSL_NO_DSA +static DSA_SIG *cluster_labs_dsa_sign(const unsigned char *dgst, int dlen, DSA *dsa); +static int cluster_labs_dsa_verify(const unsigned char *dgst, int dgst_len, + DSA_SIG *sig, DSA *dsa); +static int cluster_labs_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1, + BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m, + BN_CTX *ctx, BN_MONT_CTX *in_mont); +static int cluster_labs_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a, + const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, + BN_MONT_CTX *m_ctx); +#endif + +/* DH stuff */ +#ifndef OPENSSL_NO_DH +/* This function is alised to mod_exp (with the DH and mont dropped). */ +static int cluster_labs_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a, const BIGNUM *p, + const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); +#endif + +/* RANDOM stuff */ +static int cluster_labs_rand_bytes(unsigned char *buf, int num); + +/* The definitions for control commands specific to this engine */ +#define CLUSTER_LABS_CMD_SO_PATH ENGINE_CMD_BASE +static const ENGINE_CMD_DEFN cluster_labs_cmd_defns[] = + { + { CLUSTER_LABS_CMD_SO_PATH, + "SO_PATH", + "Specifies the path to the 'cluster labs' shared library", + ENGINE_CMD_FLAG_STRING + }, + {0, NULL, NULL, 0} + }; + +/* Our internal RSA_METHOD that we provide pointers to */ +#ifndef OPENSSL_NO_RSA +static RSA_METHOD cluster_labs_rsa = + { + "Cluster Labs RSA method", + cluster_labs_rsa_pub_enc, /* rsa_pub_enc */ + cluster_labs_rsa_pub_dec, /* rsa_pub_dec */ + cluster_labs_rsa_priv_enc, /* rsa_priv_enc */ + cluster_labs_rsa_priv_dec, /* rsa_priv_dec */ + cluster_labs_rsa_mod_exp, /* rsa_mod_exp */ + cluster_labs_mod_exp_mont, /* bn_mod_exp */ + NULL, /* init */ + NULL, /* finish */ + 0, /* flags */ + NULL, /* apps_data */ + NULL, /* rsa_sign */ + NULL /* rsa_verify */ + }; +#endif + +/* Our internal DSA_METHOD that we provide pointers to */ +#ifndef OPENSSL_NO_DSA +static DSA_METHOD cluster_labs_dsa = + { + "Cluster Labs DSA method", + cluster_labs_dsa_sign, /* dsa_do_sign */ + NULL, /* dsa_sign_setup */ + cluster_labs_dsa_verify, /* dsa_do_verify */ + cluster_labs_dsa_mod_exp, /* dsa_mod_exp */ + cluster_labs_mod_exp_dsa, /* bn_mod_exp */ + NULL, /* init */ + NULL, /* finish */ + 0, /* flags */ + NULL /* app_data */ + }; +#endif + +/* Our internal DH_METHOD that we provide pointers to */ +#ifndef OPENSSL_NO_DH +static DH_METHOD cluster_labs_dh = + { + "Cluster Labs DH method", + NULL, /* generate key */ + NULL, /* compute key */ + cluster_labs_mod_exp_dh, /* bn_mod_exp */ + NULL, /* init */ + NULL, /* finish */ + 0, /* flags */ + NULL /* app_data */ + }; +#endif + +static RAND_METHOD cluster_labs_rand = + { + /* "Cluster Labs RAND method", */ + NULL, /* seed */ + cluster_labs_rand_bytes, /* bytes */ + NULL, /* cleanup */ + NULL, /* add */ + cluster_labs_rand_bytes, /* pseudorand */ + NULL, /* status */ + }; + +static const char *engine_cluster_labs_id = "cluster_labs"; +static const char *engine_cluster_labs_name = "Cluster Labs hardware engine support"; + +/* engine implementation */ +/*-----------------------*/ +static int bind_helper(ENGINE *e) + { + + if(!ENGINE_set_id(e, engine_cluster_labs_id) || + !ENGINE_set_name(e, engine_cluster_labs_name) || +#ifndef OPENSSL_NO_RSA + !ENGINE_set_RSA(e, &cluster_labs_rsa) || +#endif +#ifndef OPENSSL_NO_DSA + !ENGINE_set_DSA(e, &cluster_labs_dsa) || +#endif +#ifndef OPENSSL_NO_DH + !ENGINE_set_DH(e, &cluster_labs_dh) || +#endif + !ENGINE_set_RAND(e, &cluster_labs_rand) || + !ENGINE_set_destroy_function(e, cluster_labs_destroy) || + !ENGINE_set_init_function(e, cluster_labs_init) || + !ENGINE_set_finish_function(e, cluster_labs_finish) || + !ENGINE_set_ctrl_function(e, cluster_labs_ctrl) || + !ENGINE_set_cmd_defns(e, cluster_labs_cmd_defns)) + return 0; + /* Ensure the error handling is set up */ + ERR_load_CL_strings(); + return 1; + } + +#ifndef ENGINE_DYNAMIC_SUPPORT +static ENGINE *engine_cluster_labs(void) + { + ENGINE *ret = ENGINE_new(); + + if(!ret) + return NULL; + if(!bind_helper(ret)) + { + ENGINE_free(ret); + return NULL; + } + return ret; + } + +#ifdef ENGINE_DYNAMIC_SUPPORT +static +#endif +void ENGINE_load_cluster_labs(void) + { + + ENGINE *cluster_labs = engine_cluster_labs(); + + if(!cluster_labs) return; + ENGINE_add(cluster_labs); + ENGINE_free(cluster_labs); + ERR_clear_error(); + } +#endif /* !ENGINE_DYNAMIC_SUPPORT */ + +static int cluster_labs_destroy(ENGINE *e) + { + + ERR_unload_CL_strings(); + return 1; + } + + + +/* This is a process-global DSO handle used for loading and unloading + * the Cluster Labs 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 *cluster_labs_dso = NULL; + +/* These are the function pointers that are (un)set when the library has + * successfully (un)loaded. */ +static cl_engine_init *p_cl_engine_init = NULL; +static cl_mod_exp *p_cl_mod_exp = NULL; +static cl_mod_exp_crt *p_cl_mod_exp_crt = NULL; +static cl_rsa_mod_exp *p_cl_rsa_mod_exp = NULL; +static cl_rsa_priv_enc *p_cl_rsa_priv_enc = NULL; +static cl_rsa_priv_dec *p_cl_rsa_priv_dec = NULL; +static cl_rsa_pub_enc *p_cl_rsa_pub_enc = NULL; +static cl_rsa_pub_dec *p_cl_rsa_pub_dec = NULL; +static cl_rand_bytes *p_cl_rand_bytes = NULL; +static cl_dsa_sign *p_cl_dsa_sign = NULL; +static cl_dsa_verify *p_cl_dsa_verify = NULL; + + +int cluster_labs_init(ENGINE *e) + { + + cl_engine_init *p1; + cl_mod_exp *p2; + cl_mod_exp_crt *p3; + cl_rsa_mod_exp *p4; + cl_rsa_priv_enc *p5; + cl_rsa_priv_dec *p6; + cl_rsa_pub_enc *p7; + cl_rsa_pub_dec *p8; + cl_rand_bytes *p20; + cl_dsa_sign *p30; + cl_dsa_verify *p31; + + /* engine already loaded */ + if(cluster_labs_dso != NULL) + { + CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_ALREADY_LOADED); + goto err; + } + /* try to load engine */ + cluster_labs_dso = DSO_load(NULL, CLUSTER_LABS_LIB_NAME, NULL,0); + if(cluster_labs_dso == NULL) + { + CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_DSO_FAILURE); + goto err; + } + /* bind functions */ + if( !(p1 = (cl_engine_init *)DSO_bind_func( + cluster_labs_dso, CLUSTER_LABS_F1)) || + !(p2 = (cl_mod_exp *)DSO_bind_func( + cluster_labs_dso, CLUSTER_LABS_F2)) || + !(p3 = (cl_mod_exp_crt *)DSO_bind_func( + cluster_labs_dso, CLUSTER_LABS_F3)) || + !(p4 = (cl_rsa_mod_exp *)DSO_bind_func( + cluster_labs_dso, CLUSTER_LABS_F4)) || + !(p5 = (cl_rsa_priv_enc *)DSO_bind_func( + cluster_labs_dso, CLUSTER_LABS_F5)) || + !(p6 = (cl_rsa_priv_dec *)DSO_bind_func( + cluster_labs_dso, CLUSTER_LABS_F6)) || + !(p7 = (cl_rsa_pub_enc *)DSO_bind_func( + cluster_labs_dso, CLUSTER_LABS_F7)) || + !(p8 = (cl_rsa_pub_dec *)DSO_bind_func( + cluster_labs_dso, CLUSTER_LABS_F8)) || + !(p20= (cl_rand_bytes *)DSO_bind_func( + cluster_labs_dso, CLUSTER_LABS_F20)) || + !(p30= (cl_dsa_sign *)DSO_bind_func( + cluster_labs_dso, CLUSTER_LABS_F30)) || + !(p31= (cl_dsa_verify *)DSO_bind_func( + cluster_labs_dso, CLUSTER_LABS_F31))) + { + CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_DSO_FAILURE); + goto err; + } + + /* copy function pointers */ + p_cl_engine_init = p1; + p_cl_mod_exp = p2; + p_cl_mod_exp_crt = p3; + p_cl_rsa_mod_exp = p4; + p_cl_rsa_priv_enc = p5; + p_cl_rsa_priv_dec = p6; + p_cl_rsa_pub_enc = p7; + p_cl_rsa_pub_dec = p8; + p_cl_rand_bytes = p20; + p_cl_dsa_sign = p30; + p_cl_dsa_verify = p31; + + + + /* cluster labs engine init */ + if(p_cl_engine_init()== 0){ + CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_INIT_FAILED); + goto err; + } + + return(1); + +err: + /* reset all pointers */ + if(cluster_labs_dso) + DSO_free(cluster_labs_dso); + + cluster_labs_dso = NULL; + p_cl_engine_init = NULL; + p_cl_mod_exp = NULL; + p_cl_mod_exp_crt = NULL; + p_cl_rsa_mod_exp = NULL; + p_cl_rsa_priv_enc = NULL; + p_cl_rsa_priv_dec = NULL; + p_cl_rsa_pub_enc = NULL; + p_cl_rsa_pub_dec = NULL; + p_cl_rand_bytes = NULL; + p_cl_dsa_sign = NULL; + p_cl_dsa_verify = NULL; + + return(0); + } + + +static int cluster_labs_finish(ENGINE *e) + { + + if(cluster_labs_dso == NULL) + { + CLerr(CL_F_CLUSTER_LABS_FINISH,CL_R_NOT_LOADED); + return 0; + } + if(!DSO_free(cluster_labs_dso)) + { + CLerr(CL_F_CLUSTER_LABS_FINISH,CL_R_DSO_FAILURE); + return 0; + } + + cluster_labs_dso = NULL; + p_cl_engine_init = NULL; + p_cl_mod_exp = NULL; + p_cl_rsa_mod_exp = NULL; + p_cl_mod_exp_crt = NULL; + p_cl_rsa_priv_enc = NULL; + p_cl_rsa_priv_dec = NULL; + p_cl_rsa_pub_enc = NULL; + p_cl_rsa_pub_dec = NULL; + p_cl_rand_bytes = NULL; + p_cl_dsa_sign = NULL; + p_cl_dsa_verify = NULL; + + return(1); + + } + +static int cluster_labs_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)()) + { + int initialised = ((cluster_labs_dso == NULL) ? 0 : 1); + + switch(cmd) + { + case CLUSTER_LABS_CMD_SO_PATH: + if(p == NULL) + { + CLerr(CL_F_CLUSTER_LABS_CTRL,ERR_R_PASSED_NULL_PARAMETER); + return 0; + } + if(initialised) + { + CLerr(CL_F_CLUSTER_LABS_CTRL,CL_R_ALREADY_LOADED); + return 0; + } + CLUSTER_LABS_LIB_NAME = (const char *)p; + return 1; + default: + break; + } + CLerr(CL_F_CLUSTER_LABS_CTRL,CL_R_COMMAND_NOT_IMPLEMENTED); + return 0; + } + + +static int cluster_labs_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, + const BIGNUM *m, BN_CTX *ctx) + { + + if(cluster_labs_dso == NULL) + { + CLerr(CL_F_CLUSTER_LABS_MOD_EXP,CL_R_NOT_LOADED); + return 0; + } + if(p_cl_mod_exp == NULL) + { + CLerr(CL_F_CLUSTER_LABS_MOD_EXP,CL_R_FUNCTION_NOT_BINDED); + return 0; + } + + return p_cl_mod_exp(r, a, p, m, ctx); + + } + +static int cluster_labs_mod_exp_crt(BIGNUM *r, BIGNUM *a, const BIGNUM *p, + const BIGNUM *q, const BIGNUM *dmp1, const BIGNUM *dmq1, + const BIGNUM *iqmp, BN_CTX *ctx) + { + + if(cluster_labs_dso == NULL) + { + CLerr(CL_F_CLUSTER_LABS_MOD_EXP_CRT,CL_R_NOT_LOADED); + return 0; + } + if(p_cl_mod_exp_crt == NULL) + { + CLerr(CL_F_CLUSTER_LABS_MOD_EXP_CRT,CL_R_FUNCTION_NOT_BINDED); + return 0; + } + + return p_cl_mod_exp_crt(r, a, p, q,dmp1, dmq1, iqmp, ctx); + + } + +static int cluster_labs_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa) + { + + if(cluster_labs_dso == NULL) + { + CLerr(CL_F_CLUSTER_LABS_RSA_MOD_EXP,CL_R_NOT_LOADED); + return 0; + } + if(p_cl_rsa_mod_exp == NULL) + { + CLerr(CL_F_CLUSTER_LABS_RSA_MOD_EXP,CL_R_FUNCTION_NOT_BINDED); + return 0; + } + + return p_cl_rsa_mod_exp(r0, I, rsa); + + } + +static DSA_SIG *cluster_labs_dsa_sign(const unsigned char *dgst, int dlen, DSA *dsa) + { + + if(cluster_labs_dso == NULL) + { + CLerr(CL_F_CLUSTER_LABS_DSA_SIGN,CL_R_NOT_LOADED); + return 0; + } + if(p_cl_dsa_sign == NULL) + { + CLerr(CL_F_CLUSTER_LABS_DSA_SIGN,CL_R_FUNCTION_NOT_BINDED); + return 0; + } + + return p_cl_dsa_sign(dgst, dlen, dsa); + + } + +static int cluster_labs_dsa_verify(const unsigned char *dgst, int dgst_len, + DSA_SIG *sig, DSA *dsa) + { + + if(cluster_labs_dso == NULL) + { + CLerr(CL_F_CLUSTER_LABS_DSA_VERIFY,CL_R_NOT_LOADED); + return 0; + } + + if(p_cl_dsa_verify == NULL) + { + CLerr(CL_F_CLUSTER_LABS_DSA_VERIFY,CL_R_FUNCTION_NOT_BINDED); + return 0; + } + + return p_cl_dsa_verify(dgst, dgst_len, sig, dsa); + + } + +static int cluster_labs_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1, + BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m, + BN_CTX *ctx, BN_MONT_CTX *in_mont) + { + BIGNUM t; + int status = 0; + + BN_init(&t); + /* let rr = a1 ^ p1 mod m */ + if (!cluster_labs_mod_exp(rr,a1,p1,m,ctx)) goto end; + /* let t = a2 ^ p2 mod m */ + if (!cluster_labs_mod_exp(&t,a2,p2,m,ctx)) goto end; + /* let rr = rr * t mod m */ + if (!BN_mod_mul(rr,rr,&t,m,ctx)) goto end; + status = 1; +end: + BN_free(&t); + + return(1); + + } + +static int cluster_labs_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a, + const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, + BN_MONT_CTX *m_ctx) + { + return cluster_labs_mod_exp(r, a, p, m, ctx); + } + +/* This function is aliased to mod_exp (with the mont stuff dropped). */ +static int cluster_labs_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, + const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx) + { + return cluster_labs_mod_exp(r, a, p, m, ctx); + } + + +/* This function is aliased to mod_exp (with the dh and mont dropped). */ +static int cluster_labs_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a, const BIGNUM *p, + const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx) + { + return cluster_labs_mod_exp(r, a, p, m, ctx); + } + + +static int cluster_labs_rsa_pub_enc(int flen, const unsigned char *from, + unsigned char *to, RSA *rsa, int padding) + { + + if(cluster_labs_dso == NULL) + { + CLerr(CL_F_CLUSTER_LABS_RSA_PUB_ENC,CL_R_NOT_LOADED); + return 0; + } + if(p_cl_rsa_priv_enc == NULL) + { + CLerr(CL_F_CLUSTER_LABS_RSA_PUB_ENC,CL_R_FUNCTION_NOT_BINDED); + return 0; + } + + return p_cl_rsa_pub_enc(flen, from, to, rsa, padding); + + } + +static int cluster_labs_rsa_pub_dec(int flen, const unsigned char *from, + unsigned char *to, RSA *rsa, int padding) + { + + if(cluster_labs_dso == NULL) + { + CLerr(CL_F_CLUSTER_LABS_RSA_PUB_DEC,CL_R_NOT_LOADED); + return 0; + } + if(p_cl_rsa_priv_enc == NULL) + { + CLerr(CL_F_CLUSTER_LABS_RSA_PUB_DEC,CL_R_FUNCTION_NOT_BINDED); + return 0; + } + + return p_cl_rsa_pub_dec(flen, from, to, rsa, padding); + + } + + +static int cluster_labs_rsa_priv_enc(int flen, const unsigned char *from, + unsigned char *to, RSA *rsa, int padding) + { + + if(cluster_labs_dso == NULL) + { + CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_ENC,CL_R_NOT_LOADED); + return 0; + } + + if(p_cl_rsa_priv_enc == NULL) + { + CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_ENC,CL_R_FUNCTION_NOT_BINDED); + return 0; + } + + return p_cl_rsa_priv_enc(flen, from, to, rsa, padding); + + } + +static int cluster_labs_rsa_priv_dec(int flen, const unsigned char *from, + unsigned char *to, RSA *rsa, int padding) + { + + if(cluster_labs_dso == NULL) + { + CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_DEC,CL_R_NOT_LOADED); + return 0; + } + if(p_cl_rsa_priv_dec == NULL) + { + CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_DEC,CL_R_FUNCTION_NOT_BINDED); + return 0; + } + + return p_cl_rsa_priv_dec(flen, from, to, rsa, padding); + + } + +/************************************************************************************ +* Symmetric algorithms +************************************************************************************/ +/* this will be come soon! */ + +/************************************************************************************ +* Random generator +************************************************************************************/ + +static int cluster_labs_rand_bytes(unsigned char *buf, int num){ + + if(cluster_labs_dso == NULL) + { + CLerr(CL_F_CLUSTER_LABS_RAND_BYTES,CL_R_NOT_LOADED); + return 0; + } + if(p_cl_mod_exp_crt == NULL) + { + CLerr(CL_F_CLUSTER_LABS_RAND_BYTES,CL_R_FUNCTION_NOT_BINDED); + return 0; + } + + return p_cl_rand_bytes(buf, num); + +} + + +/* 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) + { + fprintf(stderr, "bind_fn CLUSTER_LABS\n"); + if(id && (strcmp(id, engine_cluster_labs_id) != 0)) { + fprintf(stderr, "bind_fn return(0) first\n"); + return 0; + } + if(!bind_helper(e)) { + fprintf(stderr, "bind_fn return(1) first\n"); + return 0; + } + fprintf(stderr, "bind_fn return(1)\n"); + return 1; + } +IMPLEMENT_DYNAMIC_CHECK_FN() +IMPLEMENT_DYNAMIC_BIND_FN(bind_fn) +#endif /* ENGINE_DYNAMIC_SUPPORT */ + +#endif /* !NO_HW_CLUSTER_LABS */ +#endif /* !NO_HW */ + |