diff options
Diffstat (limited to 'set7/task49.c')
| -rw-r--r-- | set7/task49.c | 14 |
1 files changed, 1 insertions, 13 deletions
diff --git a/set7/task49.c b/set7/task49.c index 62650ba..932a171 100644 --- a/set7/task49.c +++ b/set7/task49.c @@ -3,21 +3,9 @@ #include "../lib/lib3.h" #include "../lib/lib4.h" #include "../lib/lib5.h" -#include <time.h> -#include <openssl/aes.h> +#include "../lib/lib7.h" -int cbc_mac(char *msg, unsigned int msg_len, char *iv, char *key, char *mac) -{ - int padding_len = 0; - - char *msg_padded = __pkcs7_padding(msg, msg_len, 16, &padding_len); - char *res = malloc(msg_len+padding_len); - aes_cbc(msg_padded, msg_len+padding_len, res, key, iv, 1); - char *ciphertext = malloc(msg_len+padding_len); - memcpy(mac, &res[msg_len+padding_len-16], 16); -} - int cbc_mac_forge_controlled_iv(char *msg_is, char *msg_should, char *iv) { // generate iv and mac and concat all |