xref: /isa-l_crypto/include/aes_cbc_internal.h (revision e4a84933e1bf6f71c1dc3b1cc2ab577691c784d9)

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/**
 *  @file aes_cbc_internal.h
 *  @brief AES CBC encryption/decryption internal function prototypes.
 *
 */
#ifndef _AES_CBC_INTERNAL_H
#define _AES_CBC_INTERNAL_H

#include <stdint.h>

#ifdef __cplusplus
extern "C" {

#endif

/** @brief CBC-AES 128 bit key Decryption
 *
 * @requires SSE4.1 and AESNI
 *
 * arg 1: in:   pointer to input (cipher text)
 * arg 2: IV:   pointer to IV, Must be 16 bytes aligned to a 16 byte boundary
 * arg 3: keys: pointer to keys, Must be on a 16 byte boundary and length of key size * key rounds
 * arg 4: OUT:  pointer to output (plain text ... in-place allowed)
 * arg 5: len_bytes:  length in bytes (multiple of 16)
 */
void
_aes_cbc_dec_128(void *in,          //!< Input cipher text
                 uint8_t *IV,       //!< Must be 16 bytes aligned to a 16 byte boundary
                 uint8_t *keys,     //!< Must be on a 16 byte boundary and length of key size * key
                                    //!< rounds or dec_keys of isal_cbc_key_data
                 void *out,         //!< Output plain text
                 uint64_t len_bytes //!< Must be a multiple of 16 bytes
);

/** @brief CBC-AES 192 bit key Decryption
 *
 * @requires SSE4.1 and AESNI
 *
 */
void
_aes_cbc_dec_192(void *in,          //!< Input cipher text
                 uint8_t *IV,       //!< Must be 16 bytes aligned to a 16 byte boundary
                 uint8_t *keys,     //!< Must be on a 16 byte boundary and length of key size * key
                                    //!< rounds or dec_keys of isal_cbc_key_data
                 void *out,         //!< Output plain text
                 uint64_t len_bytes //!< Must be a multiple of 16 bytes
);

/** @brief CBC-AES 256 bit key Decryption
 *
 * @requires SSE4.1 and AESNI
 *
 */
void
_aes_cbc_dec_256(void *in,          //!< Input cipher text
                 uint8_t *IV,       //!< Must be 16 bytes aligned to a 16 byte boundary
                 uint8_t *keys,     //!< Must be on a 16 byte boundary and length of key size * key
                                    //!< rounds or dec_keys of isal_cbc_key_data
                 void *out,         //!< Output plain text
                 uint64_t len_bytes //!< Must be a multiple of 16 bytes
);

/** @brief CBC-AES 128 bit key Encryption
 *
 * @requires SSE4.1 and AESNI
 *
 * arg 1: in:   pointer to input (plain text)
 * arg 2: IV:   pointer to IV, Must be 16 bytes aligned to a 16 byte boundary
 * arg 3: keys: pointer to keys, Must be on a 16 byte boundary and length of key size * key rounds
 * arg 4: OUT:  pointer to output (cipher text ... in-place allowed)
 * arg 5: len_bytes:  length in bytes (multiple of 16)
 */
int
_aes_cbc_enc_128(void *in,          //!< Input plain text
                 uint8_t *IV,       //!< Must be 16 bytes aligned to a 16 byte boundary
                 uint8_t *keys,     //!< Must be on a 16 byte boundary and length of key size * key
                                    //!< rounds or enc_keys of isal_cbc_key_data
                 void *out,         //!< Output cipher text
                 uint64_t len_bytes //!< Must be a multiple of 16 bytes
);
/** @brief CBC-AES 192 bit key Encryption
 *
 * @requires SSE4.1 and AESNI
 *
 */
int
_aes_cbc_enc_192(void *in,          //!< Input plain text
                 uint8_t *IV,       //!< Must be 16 bytes aligned to a 16 byte boundary
                 uint8_t *keys,     //!< Must be on a 16 byte boundary and length of key size * key
                                    //!< rounds or enc_keys of isal_cbc_key_data
                 void *out,         //!< Output cipher text
                 uint64_t len_bytes //!< Must be a multiple of 16 bytes
);

/** @brief CBC-AES 256 bit key Encryption
 *
 * @requires SSE4.1 and AESNI
 *
 */
int
_aes_cbc_enc_256(void *in,          //!< Input plain text
                 uint8_t *IV,       //!< Must be 16 bytes aligned to a 16 byte boundary
                 uint8_t *keys,     //!< Must be on a 16 byte boundary and length of key size * key
                                    //!< rounds or enc_keys of isal_cbc_key_data
                 void *out,         //!< Output cipher text
                 uint64_t len_bytes //!< Must be a multiple of 16 bytes
);

#ifdef __cplusplus
}
#endif //__cplusplus
#endif // ifndef _AES_CBC_INTERNAL_H