diff options
Diffstat (limited to 'openssl/engines/ccgost/gost_lcl.h')
| -rw-r--r-- | openssl/engines/ccgost/gost_lcl.h | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/openssl/engines/ccgost/gost_lcl.h b/openssl/engines/ccgost/gost_lcl.h new file mode 100644 index 000000000..437a48cc8 --- /dev/null +++ b/openssl/engines/ccgost/gost_lcl.h @@ -0,0 +1,218 @@ +#ifndef GOST_TOOLS_H +#define GOST_TOOLS_H +/********************************************************************** + * gost_lcl.h * + * Copyright (c) 2006 Cryptocom LTD * + * This file is distributed under the same license as OpenSSL * + * * + * Internal declarations used in GOST engine * + * OpenSSL 0.9.9 libraries required to compile and use * + * this code * + **********************************************************************/ +#include <openssl/bn.h> +#include <openssl/evp.h> +#include <openssl/dsa.h> +#include <openssl/asn1t.h> +#include <openssl/x509.h> +#include <openssl/engine.h> +#include <openssl/ec.h> +#include "gost89.h" +#include "gosthash.h" +/* Control commands */ +#define GOST_PARAM_CRYPT_PARAMS 0 +#define GOST_PARAM_MAX 0 +#define GOST_CTRL_CRYPT_PARAMS (ENGINE_CMD_BASE+GOST_PARAM_CRYPT_PARAMS) + + extern const ENGINE_CMD_DEFN gost_cmds[]; + int gost_control_func(ENGINE *e,int cmd, long i, void *p, void (*f)(void)); + const char *get_gost_engine_param(int param); + int gost_set_default_param(int param, const char *value); + void gost_param_free(void); + +/* method registration */ + + int register_ameth_gost (int nid, EVP_PKEY_ASN1_METHOD **ameth, const char* pemstr, const char* info); + int register_pmeth_gost (int id, EVP_PKEY_METHOD **pmeth, int flags); + +/* Gost-specific pmeth control-function parameters */ +/* For GOST R34.10 parameters */ +#define param_ctrl_string "paramset" +#define EVP_PKEY_CTRL_GOST_PARAMSET (EVP_PKEY_ALG_CTRL+1) +/* For GOST 28147 MAC */ +#define key_ctrl_string "key" +#define hexkey_ctrl_string "hexkey" +#define EVP_PKEY_CTRL_GOST_MAC_HEXKEY (EVP_PKEY_ALG_CTRL+3) +/* Pmeth internal representation */ + struct gost_pmeth_data { + int sign_param_nid; /* Should be set whenever parameters are filled */ + EVP_MD *md; + unsigned char *shared_ukm; + int peer_key_used; + }; + + struct gost_mac_pmeth_data { + int key_set; + EVP_MD *md; + unsigned char key[32]; + } ; +/* GOST-specific ASN1 structures */ + + +typedef struct { + ASN1_OCTET_STRING *encrypted_key; + ASN1_OCTET_STRING *imit; +} GOST_KEY_INFO; + +DECLARE_ASN1_FUNCTIONS(GOST_KEY_INFO) + +typedef struct { + ASN1_OBJECT *cipher; + X509_PUBKEY *ephem_key; + ASN1_OCTET_STRING *eph_iv; +} GOST_KEY_AGREEMENT_INFO; + +DECLARE_ASN1_FUNCTIONS(GOST_KEY_AGREEMENT_INFO) + +typedef struct { + GOST_KEY_INFO *key_info; + GOST_KEY_AGREEMENT_INFO *key_agreement_info; +} GOST_KEY_TRANSPORT; + +DECLARE_ASN1_FUNCTIONS(GOST_KEY_TRANSPORT) + +typedef struct { /* FIXME incomplete */ + GOST_KEY_TRANSPORT *gkt; +} GOST_CLIENT_KEY_EXCHANGE_PARAMS; + +/* Hacks to shorten symbols to 31 characters or less, or OpenVMS. + This mimics what's done in symhacks.h, but since this is a very + local header file, I prefered to put this hack directly here. + -- Richard Levitte */ +#ifdef OPENSSL_SYS_VMS +#undef GOST_CLIENT_KEY_EXCHANGE_PARAMS_it +#define GOST_CLIENT_KEY_EXCHANGE_PARAMS_it GOST_CLIENT_KEY_EXC_PARAMS_it +#undef GOST_CLIENT_KEY_EXCHANGE_PARAMS_new +#define GOST_CLIENT_KEY_EXCHANGE_PARAMS_new GOST_CLIENT_KEY_EXC_PARAMS_new +#undef GOST_CLIENT_KEY_EXCHANGE_PARAMS_free +#define GOST_CLIENT_KEY_EXCHANGE_PARAMS_free GOST_CLIENT_KEY_EXC_PARAMS_free +#undef d2i_GOST_CLIENT_KEY_EXCHANGE_PARAMS +#define d2i_GOST_CLIENT_KEY_EXCHANGE_PARAMS d2i_GOST_CLIENT_KEY_EXC_PARAMS +#undef i2d_GOST_CLIENT_KEY_EXCHANGE_PARAMS +#define i2d_GOST_CLIENT_KEY_EXCHANGE_PARAMS i2d_GOST_CLIENT_KEY_EXC_PARAMS +#endif /* End of hack */ +DECLARE_ASN1_FUNCTIONS(GOST_CLIENT_KEY_EXCHANGE_PARAMS) +typedef struct { + ASN1_OBJECT *key_params; + ASN1_OBJECT *hash_params; + ASN1_OBJECT *cipher_params; +} GOST_KEY_PARAMS; + +DECLARE_ASN1_FUNCTIONS(GOST_KEY_PARAMS) + +typedef struct { + ASN1_OCTET_STRING *iv; + ASN1_OBJECT *enc_param_set; +} GOST_CIPHER_PARAMS; + +DECLARE_ASN1_FUNCTIONS(GOST_CIPHER_PARAMS) +/*============== Message digest and cipher related structures ==========*/ + /* Structure used as EVP_MD_CTX-md_data. + * It allows to avoid storing in the md-data pointers to + * dynamically allocated memory. + * + * I cannot invent better way to avoid memory leaks, because + * openssl insist on invoking Init on Final-ed digests, and there + * is no reliable way to find out whether pointer in the passed + * md_data is valid or not. + * */ +struct ossl_gost_digest_ctx { + gost_hash_ctx dctx; + gost_ctx cctx; +}; +/* EVP_MD structure for GOST R 34.11 */ +extern EVP_MD digest_gost; +/* EVP_MD structure for GOST 28147 in MAC mode */ +extern EVP_MD imit_gost_cpa; +/* Cipher context used for EVP_CIPHER operation */ +struct ossl_gost_cipher_ctx { + int paramNID; + off_t count; + int key_meshing; + gost_ctx cctx; +}; +/* Structure to map parameter NID to S-block */ +struct gost_cipher_info { + int nid; + gost_subst_block *sblock; + int key_meshing; +}; +/* Context for MAC */ +struct ossl_gost_imit_ctx { + gost_ctx cctx; + unsigned char buffer[8]; + unsigned char partial_block[8]; + off_t count; + int key_meshing; + int bytes_left; + int key_set; +}; +/* Table which maps parameter NID to S-blocks */ +extern struct gost_cipher_info gost_cipher_list[]; +/* Find encryption params from ASN1_OBJECT */ +const struct gost_cipher_info *get_encryption_params(ASN1_OBJECT *obj); +/* Implementation of GOST 28147-89 cipher in CFB and CNT modes */ +extern EVP_CIPHER cipher_gost; +extern EVP_CIPHER cipher_gost_cpacnt; +#define EVP_MD_CTRL_KEY_LEN (EVP_MD_CTRL_ALG_CTRL+3) +#define EVP_MD_CTRL_SET_KEY (EVP_MD_CTRL_ALG_CTRL+4) +/* EVP_PKEY_METHOD key encryption callbacks */ +/* From gost94_keyx.c */ +int pkey_GOST94cp_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, const unsigned char* key, size_t key_len ); + +int pkey_GOST94cp_decrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, const unsigned char* in, size_t in_len ); +/* From gost2001_keyx.c */ +int pkey_GOST01cp_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, const unsigned char* key, size_t key_len ); + +int pkey_GOST01cp_decrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, const unsigned char* in, size_t in_len ); +/* derive functions */ +/* From gost2001_keyx.c */ +int pkey_gost2001_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen); +/* From gost94_keyx.c */ +int pkey_gost94_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen); +/* Internal functions for signature algorithms */ +int fill_GOST94_params(DSA *dsa,int nid); +int fill_GOST2001_params(EC_KEY *eckey, int nid); +int gost_sign_keygen(DSA *dsa) ; +int gost2001_keygen(EC_KEY *ec) ; + +DSA_SIG *gost_do_sign(const unsigned char *dgst,int dlen, DSA *dsa) ; +DSA_SIG *gost2001_do_sign(const unsigned char *dgst,int dlen, EC_KEY *eckey); + +int gost_do_verify(const unsigned char *dgst, int dgst_len, + DSA_SIG *sig, DSA *dsa) ; +int gost2001_do_verify(const unsigned char *dgst,int dgst_len, + DSA_SIG *sig, EC_KEY *ec); +int gost2001_compute_public(EC_KEY *ec) ; +int gost94_compute_public(DSA *dsa) ; +/*============== miscellaneous functions============================= */ +/* from gost_sign.c */ +/* Convert GOST R 34.11 hash sum to bignum according to standard */ +BIGNUM *hashsum2bn(const unsigned char *dgst) ; +/* Store bignum in byte array of given length, prepending by zeros + * if nesseccary */ +int store_bignum(BIGNUM *bn, unsigned char *buf,int len); +/* Read bignum, which can have few MSB all-zeros from buffer*/ +BIGNUM *getbnfrombuf(const unsigned char *buf,size_t len); +/* Pack GOST R 34.10 signature according to CryptoPro rules */ +int pack_sign_cp(DSA_SIG *s,int order,unsigned char *sig, size_t *siglen); +/* Unpack GOST R 34.10 signature according to CryptoPro rules */ +DSA_SIG *unpack_cp_signature(const unsigned char *sig,size_t siglen) ; +/* from ameth.c */ +/* Get private key as BIGNUM from both R 34.10-94 and R 34.10-2001 keys*/ +/* Returns pointer into EVP_PKEY structure */ +BIGNUM* gost_get0_priv_key(const EVP_PKEY *pkey) ; +/* Find NID by GOST 94 parameters */ +int gost94_nid_by_params(DSA *p) ; + + +#endif |