diff options
Diffstat (limited to 'src/crypto/cipher/e_des.c')
| -rw-r--r-- | src/crypto/cipher/e_des.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/src/crypto/cipher/e_des.c b/src/crypto/cipher/e_des.c index 4c09a81..f85e764 100644 --- a/src/crypto/cipher/e_des.c +++ b/src/crypto/cipher/e_des.c @@ -126,10 +126,31 @@ static int des_ede3_cbc_cipher(EVP_CIPHER_CTX *ctx, uint8_t *out, return 1; } -static const EVP_CIPHER des3_cbc = { +static const EVP_CIPHER des_ede3_cbc = { NID_des_ede3_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 &des3_cbc; } +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; } |