diff options
Diffstat (limited to 'cbc.h')
| -rw-r--r-- | cbc.h | 17 |
1 files changed, 10 insertions, 7 deletions
@@ -32,20 +32,23 @@ #define cbc_encrypt nettle_cbc_encrypt #define cbc_decrypt nettle_cbc_decrypt -/* Uses a void * for cipher contexts. */ +/* Uses a void * for cipher contexts. + + For block ciphers it would make sense with a const void * for the + context, but we use the same typedef for stream ciphers where the + internal state changes during the encryption. */ +typedef void (*nettle_crypt_func)(void *ctx, + unsigned length, uint8_t *dst, + const uint8_t *src); void -cbc_encrypt(const void *ctx, void (*f)(const void *ctx, - unsigned length, uint8_t *dst, - const uint8_t *src), +cbc_encrypt(void *ctx, nettle_crypt_func f, unsigned block_size, uint8_t *iv, unsigned length, uint8_t *dst, const uint8_t *src); void -cbc_decrypt(const void *ctx, void (*f)(const void *ctx, - unsigned length, uint8_t *dst, - const uint8_t *src), +cbc_decrypt(void *ctx, nettle_crypt_func f, unsigned block_size, uint8_t *iv, unsigned length, uint8_t *dst, const uint8_t *src); |