diff options
Diffstat (limited to 'src/crypto/cipher/e_des.c')
-rw-r--r-- | src/crypto/cipher/e_des.c | 78 |
1 files changed, 3 insertions, 75 deletions
diff --git a/src/crypto/cipher/e_des.c b/src/crypto/cipher/e_des.c index b1d312c..74e1fce 100644 --- a/src/crypto/cipher/e_des.c +++ b/src/crypto/cipher/e_des.c @@ -96,31 +96,6 @@ static const EVP_CIPHER des_cbc = { const EVP_CIPHER *EVP_des_cbc(void) { return &des_cbc; } -static int des_ecb_cipher(EVP_CIPHER_CTX *ctx, uint8_t *out, const uint8_t *in, - size_t in_len) { - if (in_len < ctx->cipher->block_size) { - return 1; - } - in_len -= ctx->cipher->block_size; - - EVP_DES_KEY *dat = (EVP_DES_KEY *) ctx->cipher_data; - size_t i; - for (i = 0; i <= in_len; i += ctx->cipher->block_size) { - DES_ecb_encrypt((DES_cblock *) (in + i), (DES_cblock *) (out + i), - &dat->ks.ks, ctx->encrypt); - } - return 1; -} - -static const EVP_CIPHER des_ecb = { - NID_des_ecb, 8 /* block_size */, 8 /* key_size */, - 0 /* iv_len */, sizeof(EVP_DES_KEY), EVP_CIPH_ECB_MODE, - NULL /* app_data */, des_init_key, des_ecb_cipher, - NULL /* cleanup */, NULL /* ctrl */, }; - -const EVP_CIPHER *EVP_des_ecb(void) { return &des_ecb; } - - typedef struct { union { double align; @@ -151,57 +126,10 @@ static int des_ede3_cbc_cipher(EVP_CIPHER_CTX *ctx, uint8_t *out, return 1; } -static const EVP_CIPHER des_ede3_cbc = { - NID_des_ede3_cbc, 8 /* block_size */, 24 /* key_size */, +static const EVP_CIPHER des3_cbc = { + NID_des_cbc, 8 /* block_size */, 24 /* key_size */, 8 /* iv_len */, sizeof(DES_EDE_KEY), EVP_CIPH_CBC_MODE, NULL /* app_data */, des_ede3_init_key, des_ede3_cbc_cipher, NULL /* cleanup */, NULL /* ctrl */, }; -const EVP_CIPHER *EVP_des_ede3_cbc(void) { return &des_ede3_cbc; } - - -static int des_ede_init_key(EVP_CIPHER_CTX *ctx, const uint8_t *key, - const uint8_t *iv, int enc) { - DES_cblock *deskey = (DES_cblock *) key; - DES_EDE_KEY *dat = (DES_EDE_KEY *) ctx->cipher_data; - - DES_set_key(&deskey[0], &dat->ks.ks[0]); - DES_set_key(&deskey[1], &dat->ks.ks[1]); - DES_set_key(&deskey[0], &dat->ks.ks[2]); - - return 1; -} - -static const EVP_CIPHER des_ede_cbc = { - NID_des_ede_cbc, 8 /* block_size */, 16 /* key_size */, - 8 /* iv_len */, sizeof(DES_EDE_KEY), EVP_CIPH_CBC_MODE, - NULL /* app_data */, des_ede_init_key , des_ede3_cbc_cipher, - NULL /* cleanup */, NULL /* ctrl */, }; - -const EVP_CIPHER *EVP_des_ede_cbc(void) { return &des_ede_cbc; } - - -static int des_ede_ecb_cipher(EVP_CIPHER_CTX *ctx, uint8_t *out, - const uint8_t *in, size_t in_len) { - if (in_len < ctx->cipher->block_size) { - return 1; - } - in_len -= ctx->cipher->block_size; - - DES_EDE_KEY *dat = (DES_EDE_KEY *) ctx->cipher_data; - size_t i; - for (i = 0; i <= in_len; i += ctx->cipher->block_size) { - DES_ecb3_encrypt((DES_cblock *) (in + i), (DES_cblock *) (out + i), - &dat->ks.ks[0], &dat->ks.ks[1], &dat->ks.ks[2], - ctx->encrypt); - } - return 1; -} - -static const EVP_CIPHER des_ede_ecb = { - NID_des_ede_cbc, 8 /* block_size */, 16 /* key_size */, - 0 /* iv_len */, sizeof(DES_EDE_KEY), EVP_CIPH_ECB_MODE, - NULL /* app_data */, des_ede_init_key , des_ede_ecb_cipher, - NULL /* cleanup */, NULL /* ctrl */, }; - -const EVP_CIPHER *EVP_des_ede(void) { return &des_ede_ecb; } +const EVP_CIPHER *EVP_des_ede3_cbc(void) { return &des3_cbc; } |