X-Git-Url: https://wagner.pp.ru/gitweb/?a=blobdiff_plain;f=gost_crypt.c;h=66e769d355a747fc6ea88f6423bdeda80084aa0d;hb=83bef30e60b06c56051f693898c6eddca878359a;hp=52aad0a2a59d08eecd2190dc2811e530779374c9;hpb=b13fa6d0cdd810841c3bbac1899f7a3b4083f23f;p=openssl-gost%2Fengine.git diff --git a/gost_crypt.c b/gost_crypt.c index 52aad0a..66e769d 100644 --- a/gost_crypt.c +++ b/gost_crypt.c @@ -205,8 +205,13 @@ const struct gost_cipher_info *get_encryption_params(ASN1_OBJECT *obj) struct gost_cipher_info *param; if (!obj) { const char *params = get_gost_engine_param(GOST_PARAM_CRYPT_PARAMS); - if (!params || !strlen(params)) - return &gost_cipher_list[4]; + if (!params || !strlen(params)) { + int i; + for (i = 0; gost_cipher_list[i].nid != NID_undef; i++) + if (gost_cipher_list[i].nid == NID_id_tc26_gost_28147_param_Z) + return &gost_cipher_list[i]; + return &gost_cipher_list[0]; + } nid = OBJ_txt2nid(params); if (nid == NID_undef) { @@ -761,24 +766,46 @@ int gost_imit_ctrl(EVP_MD_CTX *ctx, int type, int arg, void *ptr) return 1; case EVP_MD_CTRL_SET_KEY: { - if (arg != 32) { - GOSTerr(GOST_F_GOST_IMIT_CTRL, GOST_R_INVALID_MAC_KEY_SIZE); - return 0; + struct ossl_gost_imit_ctx *gost_imit_ctx = ctx->md_data; + + if (ctx->digest->init(ctx) <= 0) { + GOSTerr(GOST_F_GOST_IMIT_CTRL, GOST_R_MAC_KEY_NOT_SET); + return 0; + } + ctx->flags |= EVP_MD_CTX_FLAG_NO_INIT; + + if (arg == 0) { + struct gost_mac_key *key = (struct gost_mac_key*) ptr; + if (key->mac_param_nid != NID_undef) { + const struct gost_cipher_info *param = get_encryption_params(OBJ_nid2obj(key->mac_param_nid)); + if (param == NULL) + { + GOSTerr(GOST_F_GOST_IMIT_CTRL, GOST_R_INVALID_MAC_PARAMS); + return 0; + } + gost_init(&(gost_imit_ctx->cctx), param->sblock); + } + gost_key(&(gost_imit_ctx->cctx), key->key); + gost_imit_ctx->key_set = 1; + + return 1; } - - gost_key(&(((struct ossl_gost_imit_ctx *)(ctx->md_data))->cctx), - ptr); - ((struct ossl_gost_imit_ctx *)(ctx->md_data))->key_set = 1; + else if (arg == 32) + { + gost_key(&(gost_imit_ctx->cctx), ptr); + gost_imit_ctx->key_set = 1; return 1; - + } + GOSTerr(GOST_F_GOST_IMIT_CTRL, GOST_R_INVALID_MAC_KEY_SIZE); + return 0; } case EVP_MD_CTRL_MAC_LEN: { + struct ossl_gost_imit_ctx *c = ctx->md_data; if (arg < 1 || arg > 8) { GOSTerr(GOST_F_GOST_IMIT_CTRL, GOST_R_INVALID_MAC_SIZE); return 0; } - struct ossl_gost_imit_ctx *c = ctx->md_data; c->dgst_size=arg; return 1; }