Decrypt with a 128-bit block cipher in CBC mode.
Declared in <openssl/modes.h>
void
CRYPTO_cbc128_decrypt(
unsigned char const* in,
unsigned char* out,
size_t len,
void const* key,
unsigned char ivec[],
block128_f block);| Name | Description |
|---|---|
| in | Input ciphertext of length len. |
| out | Output plaintext buffer of length len (may equal in). |
| len | Number of bytes to decrypt. |
| key | Cipher-specific expanded key for block. |
| ivec | 16-byte IV; updated to the last ciphertext block on return. |
| block | Block-decrypt function for the underlying cipher. |