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/**
* \file aes_ops.h
* \brief Header defining the callback API for OQS AES
*
* SPDX-License-Identifier: MIT
*/
#ifndef OQS_AES_OPS_H
#define OQS_AES_OPS_H
#include <stdint.h>
#include <stdlib.h>
#include <oqs/common.h>
#if defined(__cplusplus)
extern "C" {
#endif
/** Data structure implemented by cryptographic provider for AES operations.
*/
struct OQS_AES_callbacks {
/**
* Implementation of function OQS_AES128_ECB_load_schedule.
*/
void (*AES128_ECB_load_schedule)(const uint8_t *key, void **ctx);
/**
* Implementation of function OQS_AES256_CTR_inc_init.
*/
void (*AES128_CTR_inc_init)(const uint8_t *key, void **ctx);
/**
* Implementation of function OQS_AES256_CTR_inc_iv.
*/
void (*AES128_CTR_inc_iv)(const uint8_t *iv, size_t iv_len, void *ctx);
/**
* Implementation of function OQS_AES256_CTR_inc_ivu64.
*/
void (*AES128_CTR_inc_ivu64)(uint64_t iv, void *ctx);
/**
* Implementation of function OQS_AES128_free_schedule.
*/
void (*AES128_free_schedule)(void *ctx);
/**
* Implementation of function OQS_AES128_ECB_enc.
*/
void (*AES128_ECB_enc)(const uint8_t *plaintext, const size_t plaintext_len, const uint8_t *key, uint8_t *ciphertext);
/**
* Implementation of function OQS_AES128_ECB_enc_sch.
*/
void (*AES128_ECB_enc_sch)(const uint8_t *plaintext, const size_t plaintext_len, const void *schedule, uint8_t *ciphertext);
/**
* Implementation of function OQS_AES128_CTR_inc_stream_iv.
*/
void (*AES128_CTR_inc_stream_iv)(const uint8_t *iv, size_t iv_len, const void *ctx, uint8_t *out, size_t out_len);
/**
* Implementation of function OQS_AES256_ECB_load_schedule.
*/
void (*AES256_ECB_load_schedule)(const uint8_t *key, void **ctx);
/**
* Implementation of function OQS_AES256_CTR_inc_init.
*/
void (*AES256_CTR_inc_init)(const uint8_t *key, void **ctx);
/**
* Implementation of function OQS_AES256_CTR_inc_iv.
*/
void (*AES256_CTR_inc_iv)(const uint8_t *iv, size_t iv_len, void *ctx);
/**
* Implementation of function OQS_AES256_CTR_inc_ivu64.
*/
void (*AES256_CTR_inc_ivu64)(uint64_t iv, void *ctx);
/**
* Implementation of function OQS_AES256_free_schedule.
*/
void (*AES256_free_schedule)(void *ctx);
/**
* Implementation of function OQS_AES256_ECB_enc.
*/
void (*AES256_ECB_enc)(const uint8_t *plaintext, const size_t plaintext_len, const uint8_t *key, uint8_t *ciphertext);
/**
* Implementation of function OQS_AES256_ECB_enc_sch.
*/
void (*AES256_ECB_enc_sch)(const uint8_t *plaintext, const size_t plaintext_len, const void *schedule, uint8_t *ciphertext);
/**
* Implementation of function OQS_AES256_CTR_inc_stream_iv.
*/
void (*AES256_CTR_inc_stream_iv)(const uint8_t *iv, size_t iv_len, const void *ctx, uint8_t *out, size_t out_len);
/**
* Implementation of function OQS_AES256_CTR_inc_stream_blks.
*/
void (*AES256_CTR_inc_stream_blks)(void *ctx, uint8_t *out, size_t out_blks);
};
/**
* Set callback functions for AES operations.
*
* This function may be called before OQS_init to switch the
* cryptographic provider for AES operations. If it is not called, the
* default provider determined at build time will be used.
*
* @param[in] new_callbacks Callback functions defined in OQS_AES_callbacks
*/
OQS_API void OQS_AES_set_callbacks(struct OQS_AES_callbacks *new_callbacks);
#if defined(__cplusplus)
} // extern "C"
#endif
#endif // OQS_AES_OPS_H