X-Git-Url: http://www.wagner.pp.ru/gitweb/?a=blobdiff_plain;f=gost_crypt.c;h=f9ed2cf22b0c8125252ef354b653e096476b0251;hb=aed4f443f97e96ed015a7962606b10e1977edd51;hp=f55a10caa7964ffc61b8c84101309419d08d4632;hpb=286a33984c698f2efa98dd06995c7d734569409c;p=openssl-gost%2Fengine.git diff --git a/gost_crypt.c b/gost_crypt.c index f55a10c..f9ed2cf 100644 --- a/gost_crypt.c +++ b/gost_crypt.c @@ -51,9 +51,8 @@ const EVP_CIPHER *cipher_gost(void) { if (_hidden_Gost28147_89_cipher == NULL && ((_hidden_Gost28147_89_cipher = - EVP_CIPHER_meth_new(NID_id_Gost28147_89, - 1 /* block_size */, - 32 /* key_size */)) == NULL + EVP_CIPHER_meth_new(NID_id_Gost28147_89, 1 /* block_size */ , + 32 /* key_size */ )) == NULL || !EVP_CIPHER_meth_set_iv_length(_hidden_Gost28147_89_cipher, 8) || !EVP_CIPHER_meth_set_flags(_hidden_Gost28147_89_cipher, EVP_CIPH_CFB_MODE | @@ -68,11 +67,14 @@ const EVP_CIPHER *cipher_gost(void) || !EVP_CIPHER_meth_set_cleanup(_hidden_Gost28147_89_cipher, gost_cipher_cleanup) || !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_Gost28147_89_cipher, - sizeof(struct ossl_gost_cipher_ctx)) - || !EVP_CIPHER_meth_set_set_asn1_params(_hidden_Gost28147_89_cipher, - gost89_set_asn1_parameters) - || !EVP_CIPHER_meth_set_get_asn1_params(_hidden_Gost28147_89_cipher, - gost89_get_asn1_parameters) + sizeof(struct + ossl_gost_cipher_ctx)) + || + !EVP_CIPHER_meth_set_set_asn1_params(_hidden_Gost28147_89_cipher, + gost89_set_asn1_parameters) + || + !EVP_CIPHER_meth_set_get_asn1_params(_hidden_Gost28147_89_cipher, + gost89_get_asn1_parameters) || !EVP_CIPHER_meth_set_ctrl(_hidden_Gost28147_89_cipher, gost_cipher_ctl))) { EVP_CIPHER_meth_free(_hidden_Gost28147_89_cipher); @@ -80,21 +82,20 @@ const EVP_CIPHER *cipher_gost(void) } return _hidden_Gost28147_89_cipher; } - + static EVP_CIPHER *_hidden_Gost28147_89_cbc = NULL; const EVP_CIPHER *cipher_gost_cbc(void) { if (_hidden_Gost28147_89_cbc == NULL && ((_hidden_Gost28147_89_cbc = - EVP_CIPHER_meth_new(NID_gost89_cbc, - 8 /* block_size */, - 32 /* key_size */)) == NULL + EVP_CIPHER_meth_new(NID_gost89_cbc, 8 /* block_size */ , + 32 /* key_size */ )) == NULL || !EVP_CIPHER_meth_set_iv_length(_hidden_Gost28147_89_cbc, 8) || !EVP_CIPHER_meth_set_flags(_hidden_Gost28147_89_cbc, - EVP_CIPH_CBC_MODE | - EVP_CIPH_CUSTOM_IV | - EVP_CIPH_RAND_KEY | - EVP_CIPH_ALWAYS_CALL_INIT) + EVP_CIPH_CBC_MODE | + EVP_CIPH_CUSTOM_IV | + EVP_CIPH_RAND_KEY | + EVP_CIPH_ALWAYS_CALL_INIT) || !EVP_CIPHER_meth_set_init(_hidden_Gost28147_89_cbc, gost_cipher_init_cbc) || !EVP_CIPHER_meth_set_do_cipher(_hidden_Gost28147_89_cbc, @@ -102,7 +103,8 @@ const EVP_CIPHER *cipher_gost_cbc(void) || !EVP_CIPHER_meth_set_cleanup(_hidden_Gost28147_89_cbc, gost_cipher_cleanup) || !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_Gost28147_89_cbc, - sizeof(struct ossl_gost_cipher_ctx)) + sizeof(struct + ossl_gost_cipher_ctx)) || !EVP_CIPHER_meth_set_set_asn1_params(_hidden_Gost28147_89_cbc, gost89_set_asn1_parameters) || !EVP_CIPHER_meth_set_get_asn1_params(_hidden_Gost28147_89_cbc, @@ -114,14 +116,14 @@ const EVP_CIPHER *cipher_gost_cbc(void) } return _hidden_Gost28147_89_cbc; } + static EVP_CIPHER *_hidden_gost89_cnt = NULL; const EVP_CIPHER *cipher_gost_cpacnt(void) { if (_hidden_gost89_cnt == NULL && ((_hidden_gost89_cnt = - EVP_CIPHER_meth_new(NID_gost89_cnt, - 1 /* block_size */, - 32 /* key_size */)) == NULL + EVP_CIPHER_meth_new(NID_gost89_cnt, 1 /* block_size */ , + 32 /* key_size */ )) == NULL || !EVP_CIPHER_meth_set_iv_length(_hidden_gost89_cnt, 8) || !EVP_CIPHER_meth_set_flags(_hidden_gost89_cnt, EVP_CIPH_OFB_MODE | @@ -136,7 +138,8 @@ const EVP_CIPHER *cipher_gost_cpacnt(void) || !EVP_CIPHER_meth_set_cleanup(_hidden_gost89_cnt, gost_cipher_cleanup) || !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_gost89_cnt, - sizeof(struct ossl_gost_cipher_ctx)) + sizeof(struct + ossl_gost_cipher_ctx)) || !EVP_CIPHER_meth_set_set_asn1_params(_hidden_gost89_cnt, gost89_set_asn1_parameters) || !EVP_CIPHER_meth_set_get_asn1_params(_hidden_gost89_cnt, @@ -154,9 +157,8 @@ const EVP_CIPHER *cipher_gost_cpcnt_12(void) { if (_hidden_gost89_cnt_12 == NULL && ((_hidden_gost89_cnt_12 = - EVP_CIPHER_meth_new(NID_gost89_cnt_12, - 1 /* block_size */, - 32 /* key_size */)) == NULL + EVP_CIPHER_meth_new(NID_gost89_cnt_12, 1 /* block_size */ , + 32 /* key_size */ )) == NULL || !EVP_CIPHER_meth_set_iv_length(_hidden_gost89_cnt_12, 8) || !EVP_CIPHER_meth_set_flags(_hidden_gost89_cnt_12, EVP_CIPH_OFB_MODE | @@ -171,7 +173,8 @@ const EVP_CIPHER *cipher_gost_cpcnt_12(void) || !EVP_CIPHER_meth_set_cleanup(_hidden_gost89_cnt_12, gost_cipher_cleanup) || !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_gost89_cnt_12, - sizeof(struct ossl_gost_cipher_ctx)) + sizeof(struct + ossl_gost_cipher_ctx)) || !EVP_CIPHER_meth_set_set_asn1_params(_hidden_gost89_cnt_12, gost89_set_asn1_parameters) || !EVP_CIPHER_meth_set_get_asn1_params(_hidden_gost89_cnt_12, @@ -196,7 +199,6 @@ void cipher_gost_destroy(void) _hidden_gost89_cnt_12 = NULL; } - /* Implementation of GOST 28147-89 in MAC (imitovstavka) mode */ /* Init functions which set specific parameters */ static int gost_imit_init_cpa(EVP_MD_CTX *ctx); @@ -223,7 +225,8 @@ EVP_MD *imit_gost_cpa(void) || !EVP_MD_meth_set_result_size(md, 4) || !EVP_MD_meth_set_input_blocksize(md, 8) || !EVP_MD_meth_set_app_datasize(md, - sizeof(struct ossl_gost_imit_ctx)) + sizeof(struct + ossl_gost_imit_ctx)) || !EVP_MD_meth_set_flags(md, 0) || !EVP_MD_meth_set_init(md, gost_imit_init_cpa) || !EVP_MD_meth_set_update(md, gost_imit_update) @@ -254,7 +257,8 @@ EVP_MD *imit_gost_cp_12(void) || !EVP_MD_meth_set_result_size(md, 4) || !EVP_MD_meth_set_input_blocksize(md, 8) || !EVP_MD_meth_set_app_datasize(md, - sizeof(struct ossl_gost_imit_ctx)) + sizeof(struct + ossl_gost_imit_ctx)) || !EVP_MD_meth_set_flags(md, 0) || !EVP_MD_meth_set_init(md, gost_imit_init_cp_12) || !EVP_MD_meth_set_update(md, gost_imit_update) @@ -364,11 +368,11 @@ static int gost_cipher_init_param(EVP_CIPHER_CTX *ctx, const unsigned char *iv, int enc, int paramNID, int mode) { - struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_cipher_data(ctx); + struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_get_cipher_data(ctx); if (EVP_CIPHER_CTX_get_app_data(ctx) == NULL) { if (!gost_cipher_set_param(c, paramNID)) return 0; - EVP_CIPHER_CTX_set_app_data(ctx, EVP_CIPHER_CTX_cipher_data(ctx)); + EVP_CIPHER_CTX_set_app_data(ctx, EVP_CIPHER_CTX_get_cipher_data(ctx)); } if (key) gost_key(&(c->cctx), key); @@ -377,8 +381,7 @@ static int gost_cipher_init_param(EVP_CIPHER_CTX *ctx, EVP_CIPHER_CTX_iv_length(ctx)); } memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), - EVP_CIPHER_CTX_original_iv(ctx), - EVP_CIPHER_CTX_iv_length(ctx)); + EVP_CIPHER_CTX_original_iv(ctx), EVP_CIPHER_CTX_iv_length(ctx)); return 1; } @@ -387,7 +390,7 @@ static int gost_cipher_init_cnt(EVP_CIPHER_CTX *ctx, const unsigned char *iv, gost_subst_block * block) { - struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_cipher_data(ctx); + struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_get_cipher_data(ctx); gost_init(&(c->cctx), block); c->key_meshing = 1; c->count = 0; @@ -398,8 +401,7 @@ static int gost_cipher_init_cnt(EVP_CIPHER_CTX *ctx, EVP_CIPHER_CTX_iv_length(ctx)); } memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), - EVP_CIPHER_CTX_original_iv(ctx), - EVP_CIPHER_CTX_iv_length(ctx)); + EVP_CIPHER_CTX_original_iv(ctx), EVP_CIPHER_CTX_iv_length(ctx)); return 1; } @@ -490,11 +492,11 @@ int gost_cipher_do_cbc(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in_ptr = in; unsigned char *out_ptr = out; int i; - struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_cipher_data(ctx); + struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_get_cipher_data(ctx); unsigned char *iv = EVP_CIPHER_CTX_iv_noconst(ctx); if (EVP_CIPHER_CTX_encrypting(ctx)) { while (inl > 0) { - + for (i = 0; i < 8; i++) { b[i] = iv[i] ^ in_ptr[i]; } @@ -528,7 +530,7 @@ int gost_cipher_do_cfb(EVP_CIPHER_CTX *ctx, unsigned char *out, size_t i = 0; size_t j = 0; unsigned char *buf = EVP_CIPHER_CTX_buf_noconst(ctx); - unsigned char *iv = EVP_CIPHER_CTX_iv_noconst(ctx); + unsigned char *iv = EVP_CIPHER_CTX_iv_noconst(ctx); /* process partial block if any */ if (EVP_CIPHER_CTX_num(ctx)) { for (j = EVP_CIPHER_CTX_num(ctx), i = 0; j < 8 && i < inl; @@ -552,7 +554,7 @@ int gost_cipher_do_cfb(EVP_CIPHER_CTX *ctx, unsigned char *out, /* * block cipher current iv */ - gost_crypt_mesh(EVP_CIPHER_CTX_cipher_data(ctx), iv, buf); + gost_crypt_mesh(EVP_CIPHER_CTX_get_cipher_data(ctx), iv, buf); /* * xor next block of input text with it and output it */ @@ -571,7 +573,7 @@ int gost_cipher_do_cfb(EVP_CIPHER_CTX *ctx, unsigned char *out, } /* Process rest of buffer */ if (i < inl) { - gost_crypt_mesh(EVP_CIPHER_CTX_cipher_data(ctx), iv, buf); + gost_crypt_mesh(EVP_CIPHER_CTX_get_cipher_data(ctx), iv, buf); if (!EVP_CIPHER_CTX_encrypting(ctx)) memcpy(buf + 8, in_ptr, inl - i); for (j = 0; i < inl; j++, i++) { @@ -594,7 +596,7 @@ static int gost_cipher_do_cnt(EVP_CIPHER_CTX *ctx, unsigned char *out, size_t i = 0; size_t j; unsigned char *buf = EVP_CIPHER_CTX_buf_noconst(ctx); - unsigned char *iv = EVP_CIPHER_CTX_iv_noconst(ctx); + unsigned char *iv = EVP_CIPHER_CTX_iv_noconst(ctx); /* process partial block if any */ if (EVP_CIPHER_CTX_num(ctx)) { for (j = EVP_CIPHER_CTX_num(ctx), i = 0; j < 8 && i < inl; @@ -614,7 +616,7 @@ static int gost_cipher_do_cnt(EVP_CIPHER_CTX *ctx, unsigned char *out, * block cipher current iv */ /* Encrypt */ - gost_cnt_next(EVP_CIPHER_CTX_cipher_data(ctx), iv, buf); + gost_cnt_next(EVP_CIPHER_CTX_get_cipher_data(ctx), iv, buf); /* * xor next block of input text with it and output it */ @@ -627,7 +629,7 @@ static int gost_cipher_do_cnt(EVP_CIPHER_CTX *ctx, unsigned char *out, } /* Process rest of buffer */ if (i < inl) { - gost_cnt_next(EVP_CIPHER_CTX_cipher_data(ctx), iv, buf); + gost_cnt_next(EVP_CIPHER_CTX_get_cipher_data(ctx), iv, buf); for (j = 0; i < inl; j++, i++) { out_ptr[j] = buf[j] ^ in_ptr[j]; } @@ -641,7 +643,9 @@ static int gost_cipher_do_cnt(EVP_CIPHER_CTX *ctx, unsigned char *out, /* Cleaning up of EVP_CIPHER_CTX */ int gost_cipher_cleanup(EVP_CIPHER_CTX *ctx) { - gost_destroy(&((struct ossl_gost_cipher_ctx *)EVP_CIPHER_CTX_cipher_data(ctx))->cctx); + gost_destroy(& + ((struct ossl_gost_cipher_ctx *) + EVP_CIPHER_CTX_get_cipher_data(ctx))->cctx); EVP_CIPHER_CTX_set_app_data(ctx, NULL); return 1; } @@ -653,7 +657,8 @@ int gost_cipher_ctl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr) #if 0 case EVP_CTRL_INIT: { - struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_cipher_data(ctx); + struct ossl_gost_cipher_ctx *c = + EVP_CIPHER_CTX_get_cipher_data(ctx); if (c == NULL) { return -1; } @@ -662,7 +667,8 @@ int gost_cipher_ctl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr) #endif case EVP_CTRL_RAND_KEY: { - if (RAND_bytes((unsigned char *)ptr, EVP_CIPHER_CTX_key_length(ctx)) <= 0) { + if (RAND_bytes + ((unsigned char *)ptr, EVP_CIPHER_CTX_key_length(ctx)) <= 0) { GOSTerr(GOST_F_GOST_CIPHER_CTL, GOST_R_RNG_ERROR); return -1; } @@ -689,7 +695,8 @@ int gost_cipher_ctl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr) case EVP_CTRL_SET_SBOX: if (ptr) { - struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_cipher_data(ctx); + struct ossl_gost_cipher_ctx *c = + EVP_CIPHER_CTX_get_cipher_data(ctx); int nid; int cur_meshing; int ret; @@ -712,11 +719,12 @@ int gost_cipher_ctl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr) c->key_meshing = cur_meshing; return ret; } else { - return 0; + return 0; } case EVP_CTRL_KEY_MESH: { - struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_cipher_data(ctx); + struct ossl_gost_cipher_ctx *c = + EVP_CIPHER_CTX_get_cipher_data(ctx); if (c == NULL) { return -1; @@ -743,14 +751,15 @@ int gost89_set_asn1_parameters(EVP_CIPHER_CTX *ctx, ASN1_TYPE *params) int len = 0; unsigned char *buf = NULL; unsigned char *p = NULL; - struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_cipher_data(ctx); + struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_get_cipher_data(ctx); GOST_CIPHER_PARAMS *gcp = GOST_CIPHER_PARAMS_new(); ASN1_OCTET_STRING *os = NULL; if (!gcp) { GOSTerr(GOST_F_GOST89_SET_ASN1_PARAMETERS, ERR_R_MALLOC_FAILURE); return 0; } - if (!ASN1_OCTET_STRING_set(gcp->iv, EVP_CIPHER_CTX_iv(ctx), EVP_CIPHER_CTX_iv_length(ctx))) { + if (!ASN1_OCTET_STRING_set + (gcp->iv, EVP_CIPHER_CTX_iv(ctx), EVP_CIPHER_CTX_iv_length(ctx))) { GOST_CIPHER_PARAMS_free(gcp); GOSTerr(GOST_F_GOST89_SET_ASN1_PARAMETERS, ERR_R_MALLOC_FAILURE); return 0; @@ -788,7 +797,7 @@ int gost89_get_asn1_parameters(EVP_CIPHER_CTX *ctx, ASN1_TYPE *params) int len; GOST_CIPHER_PARAMS *gcp = NULL; unsigned char *p; - struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_cipher_data(ctx); + struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_get_cipher_data(ctx); int nid; if (ASN1_TYPE_get(params) != V_ASN1_SEQUENCE) { @@ -819,9 +828,9 @@ int gost89_get_asn1_parameters(EVP_CIPHER_CTX *ctx, ASN1_TYPE *params) GOST_CIPHER_PARAMS_free(gcp); return -1; } - /*XXX missing non-const accessor*/ + /*XXX missing non-const accessor */ memcpy((unsigned char *)EVP_CIPHER_CTX_original_iv(ctx), gcp->iv->data, - EVP_CIPHER_CTX_iv_length(ctx)); + EVP_CIPHER_CTX_iv_length(ctx)); GOST_CIPHER_PARAMS_free(gcp); @@ -931,9 +940,10 @@ int gost_imit_ctrl(EVP_MD_CTX *ctx, int type, int arg, void *ptr) return 1; case EVP_MD_CTRL_SET_KEY: { - struct ossl_gost_imit_ctx *gost_imit_ctx = EVP_MD_CTX_md_data(ctx); + struct ossl_gost_imit_ctx *gost_imit_ctx = + EVP_MD_CTX_md_data(ctx); - if (EVP_MD_meth_get_init(EVP_MD_CTX_md(ctx))(ctx) <= 0) { + if (EVP_MD_meth_get_init(EVP_MD_CTX_md(ctx)) (ctx) <= 0) { GOSTerr(GOST_F_GOST_IMIT_CTRL, GOST_R_MAC_KEY_NOT_SET); return 0; }