Encrypt or decrypt data with AES in CBC mode (deprecated; prefer EVP).

Synopsis

Declared in <openssl/aes.h>

[[deprecated]]
void
AES_cbc_encrypt(
    unsigned char const* in,
    unsigned char* out,
    size_t length,
    AES_KEY const* key,
    unsigned char* ivec,
    int const enc);
Warning

Deprecated. Use of this entity is allowed but discouraged.

Parameters

Name

Description

in

Input bytes of length length.

out

Output buffer of length length (may equal in).

length

Number of bytes to process (should be a multiple of AES_BLOCK_SIZE).

key

Expanded AES key schedule matching enc.

ivec

16‐byte IV updated in place to the last ciphertext block.

enc

AES_ENCRYPT to encrypt, or AES_DECRYPT to decrypt.

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