/* ====================================================================
* Copyright (c) 2008 The OpenSSL Project. All rights reserved.
*
* Rights for redistribution and usage in source and binary
* forms are granted according to the OpenSSL license.
*/

#include <stddef.h>

#ifdef __cplusplus
extern "C" {
#endif
typedef void (*block128_f) (const unsigned char in[16],
unsigned char out[16], const void *key);

typedef void (*cbc128_f) (const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], int enc);

typedef void (*ctr128_f) (const unsigned char *in, unsigned char *out,
size_t blocks, const void *key,
const unsigned char ivec[16]);

typedef void (*ccm128_f) (const unsigned char *in, unsigned char *out,
size_t blocks, const void *key,
const unsigned char ivec[16],
unsigned char cmac[16]);

void CRYPTO_cbc128_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], block128_f block);
void CRYPTO_cbc128_decrypt(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], block128_f block);

void CRYPTO_ctr128_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16],
unsigned char ecount_buf[16], unsigned int *num,
block128_f block);

void CRYPTO_ctr128_encrypt_ctr32(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16],
unsigned char ecount_buf[16],
unsigned int *num, ctr128_f ctr);

void CRYPTO_ofb128_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], int *num,
block128_f block);

void CRYPTO_cfb128_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], int *num,
int enc, block128_f block);
void CRYPTO_cfb128_8_encrypt(const unsigned char *in, unsigned char *out,
size_t length, const void *key,
unsigned char ivec[16], int *num,
int enc, block128_f block);
void CRYPTO_cfb128_1_encrypt(const unsigned char *in, unsigned char *out,
size_t bits, const void *key,
unsigned char ivec[16], int *num,
int enc, block128_f block);

size_t CRYPTO_cts128_encrypt_block(const unsigned char *in,
unsigned char *out, size_t len,
const void *key, unsigned char ivec[16],
block128_f block);
size_t CRYPTO_cts128_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], cbc128_f cbc);
size_t CRYPTO_cts128_decrypt_block(const unsigned char *in,
unsigned char *out, size_t len,
const void *key, unsigned char ivec[16],
block128_f block);
size_t CRYPTO_cts128_decrypt(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], cbc128_f cbc);

size_t CRYPTO_nistcts128_encrypt_block(const unsigned char *in,
unsigned char *out, size_t len,
const void *key,
unsigned char ivec[16],
block128_f block);
size_t CRYPTO_nistcts128_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], cbc128_f cbc);
size_t CRYPTO_nistcts128_decrypt_block(const unsigned char *in,
unsigned char *out, size_t len,
const void *key,
unsigned char ivec[16],
block128_f block);
size_t CRYPTO_nistcts128_decrypt(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], cbc128_f cbc);

typedef struct gcm128_context GCM128_CONTEXT;

GCM128_CONTEXT *CRYPTO_gcm128_new(void *key, block128_f block);
void CRYPTO_gcm128_init(GCM128_CONTEXT *ctx, void *key, block128_f block);
void CRYPTO_gcm128_setiv(GCM128_CONTEXT *ctx, const unsigned char *iv,
size_t len);
int CRYPTO_gcm128_aad(GCM128_CONTEXT *ctx, const unsigned char *aad,
size_t len);
int CRYPTO_gcm128_encrypt(GCM128_CONTEXT *ctx,
const unsigned char *in, unsigned char *out,
size_t len);
int CRYPTO_gcm128_decrypt(GCM128_CONTEXT *ctx,
const unsigned char *in, unsigned char *out,
size_t len);
int CRYPTO_gcm128_encrypt_ctr32(GCM128_CONTEXT *ctx,
const unsigned char *in, unsigned char *out,
size_t len, ctr128_f stream);
int CRYPTO_gcm128_decrypt_ctr32(GCM128_CONTEXT *ctx,
const unsigned char *in, unsigned char *out,
size_t len, ctr128_f stream);
int CRYPTO_gcm128_finish(GCM128_CONTEXT *ctx, const unsigned char *tag,
size_t len);
void CRYPTO_gcm128_tag(GCM128_CONTEXT *ctx, unsigned char *tag, size_t len);
void CRYPTO_gcm128_release(GCM128_CONTEXT *ctx);

typedef struct ccm128_context CCM128_CONTEXT;

void CRYPTO_ccm128_init(CCM128_CONTEXT *ctx,
unsigned int M, unsigned int L, void *key,
block128_f block);
int CRYPTO_ccm128_setiv(CCM128_CONTEXT *ctx, const unsigned char *nonce,
size_t nlen, size_t mlen);
void CRYPTO_ccm128_aad(CCM128_CONTEXT *ctx, const unsigned char *aad,
size_t alen);
int CRYPTO_ccm128_encrypt(CCM128_CONTEXT *ctx, const unsigned char *inp,
unsigned char *out, size_t len);
int CRYPTO_ccm128_decrypt(CCM128_CONTEXT *ctx, const unsigned char *inp,
unsigned char *out, size_t len);
int CRYPTO_ccm128_encrypt_ccm64(CCM128_CONTEXT *ctx, const unsigned char *inp,
unsigned char *out, size_t len,
ccm128_f stream);
int CRYPTO_ccm128_decrypt_ccm64(CCM128_CONTEXT *ctx, const unsigned char *inp,
unsigned char *out, size_t len,
ccm128_f stream);
size_t CRYPTO_ccm128_tag(CCM128_CONTEXT *ctx, unsigned char *tag, size_t len);

typedef struct xts128_context XTS128_CONTEXT;

int CRYPTO_xts128_encrypt(const XTS128_CONTEXT *ctx,
const unsigned char iv[16],
const unsigned char *inp, unsigned char *out,
size_t len, int enc);

size_t CRYPTO_128_wrap(void *key, const unsigned char *iv,
unsigned char *out,
const unsigned char *in, size_t inlen,
block128_f block);

size_t CRYPTO_128_unwrap(void *key, const unsigned char *iv,
unsigned char *out,
const unsigned char *in, size_t inlen,
block128_f block);

#ifdef __cplusplus
}
#endif