aes_xts.h

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/*
 * Copyright IBM Corp. 2021
 *
 * libzpc is free software; you can redistribute it and/or modify
 * it under the terms of the MIT license. See LICENSE for details.
 */
 
#ifndef ZPC_AES_XTS_H
# define ZPC_AES_XTS_H
# ifdef __cplusplus
/* *INDENT-OFF* */
extern "C" {
/* *INDENT-ON* */
# endif

 
# include <zpc/aes_key.h>
# include <stddef.h>
 
struct zpc_aes_xts;

__attribute__((visibility("default")))
int zpc_aes_xts_alloc(struct zpc_aes_xts **ctx);
__attribute__((visibility("default")))
int zpc_aes_xts_set_key(struct zpc_aes_xts *ctx, struct zpc_aes_key *key1,
    struct zpc_aes_key *key2);
__attribute__((visibility("default")))
int zpc_aes_xts_set_iv(struct zpc_aes_xts *ctx, const unsigned char *iv);
__attribute__((visibility("default")))
int zpc_aes_xts_get_intermediate_iv(struct zpc_aes_xts *ctx, unsigned char iv[16]);
__attribute__((visibility("default")))
int zpc_aes_xts_set_intermediate_iv(struct zpc_aes_xts *ctx, const unsigned char iv[16]);
__attribute__((visibility("default")))
int zpc_aes_xts_encrypt(struct zpc_aes_xts *ctx, unsigned char *ct,
    const unsigned char *pt, size_t ptlen);
__attribute__((visibility("default")))
int zpc_aes_xts_decrypt(struct zpc_aes_xts *ctx, unsigned char *pt,
    const unsigned char *ct, size_t ctlen);
__attribute__((visibility("default")))
void zpc_aes_xts_free(struct zpc_aes_xts **ctx);
 
# ifdef __cplusplus
/* *INDENT-OFF* */
}
/* *INDENT-ON* */
# endif
#endif