X-Git-Url: http://wagner.pp.ru/gitweb/?a=blobdiff_plain;f=gost_crypt.c;h=0aa2ecf277b8066dfa9fdd5aef0c74ec1dd11d1e;hb=f3de3689c492f4f45e1bbf4af2b6fab5b57dcecf;hp=6d68f62ba2b9084660c351535c76fd6c85ed6804;hpb=fcca1ab049978ae66a3dfeff5e4704fa8127095e;p=openssl-gost%2Fengine.git diff --git a/gost_crypt.c b/gost_crypt.c index 6d68f62..0aa2ecf 100644 --- a/gost_crypt.c +++ b/gost_crypt.c @@ -54,6 +54,8 @@ static int magma_cipher_init(EVP_CIPHER_CTX *ctx, const unsigned char *key, static int magma_cipher_init_ctr_acpkm_omac(EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc); /* Handles block of data in CBC mode */ +static int magma_cipher_do_ecb(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t inl); static int magma_cipher_do_cbc(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl); static int magma_cipher_do_ctr(EVP_CIPHER_CTX *ctx, unsigned char *out, @@ -187,8 +189,7 @@ GOST_cipher Gost28147_89_cnt_12_cipher = { static GOST_cipher magma_template_cipher = { .block_size = 8, .key_len = 32, - .iv_len = 8, - .flags = EVP_CIPH_CUSTOM_IV | + .flags = EVP_CIPH_RAND_KEY | EVP_CIPH_ALWAYS_CALL_INIT, .cleanup = gost_cipher_cleanup, @@ -205,6 +206,7 @@ GOST_cipher magma_ctr_cipher = { .block_size = 1, .iv_len = 4, .flags = EVP_CIPH_CTR_MODE | + EVP_CIPH_CUSTOM_IV | EVP_CIPH_NO_PADDING, .init = magma_cipher_init, }; @@ -215,6 +217,7 @@ GOST_cipher magma_ctr_acpkm_cipher = { .block_size = 1, .iv_len = 4, .flags = EVP_CIPH_CTR_MODE | + EVP_CIPH_CUSTOM_IV | EVP_CIPH_NO_PADDING, .init = magma_cipher_init, }; @@ -225,6 +228,7 @@ GOST_cipher magma_ctr_acpkm_omac_cipher = { .block_size = 1, .iv_len = 4, .flags = EVP_CIPH_CTR_MODE | + EVP_CIPH_CUSTOM_IV | EVP_CIPH_NO_PADDING | EVP_CIPH_CUSTOM_COPY | EVP_CIPH_FLAG_CUSTOM_CIPHER | @@ -234,10 +238,20 @@ GOST_cipher magma_ctr_acpkm_omac_cipher = { .ctrl = magma_cipher_ctl_acpkm_omac, }; +GOST_cipher magma_ecb_cipher = { + .nid = NID_magma_ecb, + .template = &magma_template_cipher, + .flags = EVP_CIPH_ECB_MODE, + .init = magma_cipher_init, + .do_cipher = magma_cipher_do_ecb, +}; + GOST_cipher magma_cbc_cipher = { .nid = NID_magma_cbc, .template = &gost_template_cipher, - .flags = EVP_CIPH_CBC_MODE, + .iv_len = 8, + .flags = EVP_CIPH_CBC_MODE | + EVP_CIPH_CUSTOM_IV, .init = magma_cipher_init, .do_cipher = magma_cipher_do_cbc, }; @@ -592,6 +606,29 @@ static int gost_cipher_do_cbc(EVP_CIPHER_CTX *ctx, unsigned char *out, return 1; } +/* MAGMA encryption in ECB mode */ +static int magma_cipher_do_ecb(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t inl) +{ + struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_get_cipher_data(ctx); + if (EVP_CIPHER_CTX_encrypting(ctx)) { + while (inl > 0) { + magmacrypt(&(c->cctx), in, out); + out += 8; + in += 8; + inl -= 8; + } + } else { + while (inl > 0) { + magmadecrypt(&(c->cctx), in, out); + out += 8; + in += 8; + inl -= 8; + } + } + return 1; +} + /* MAGMA encryption in CBC mode */ static int magma_cipher_do_cbc(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl)