59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
/*
|
|
* Copyright (c) 2001-2019, Arm Limited and Contributors. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#ifndef MBEDTLS_CHACHA20_ALT_H
|
|
#define MBEDTLS_CHACHA20_ALT_H
|
|
|
|
#if defined(MBEDTLS_CONFIG_FILE)
|
|
#include MBEDTLS_CONFIG_FILE
|
|
#endif
|
|
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
|
|
#ifdef __cplusplus
|
|
extern "C"
|
|
{
|
|
#endif
|
|
|
|
/************************ Defines ******************************/
|
|
|
|
/*! The size of the ChaCha user-context in words. */
|
|
#define MBEDTLS_CHACHA_USER_CTX_SIZE_IN_WORDS 41
|
|
/*! The size of the ChaCha block in Bytes. */
|
|
#define MBEDTLS_CHACHA_BLOCK_SIZE_BYTES 64
|
|
/*! The size of the ChaCha block in Bytes. As defined in rfc7539 */
|
|
#define MBEDTLS_CHACHA_NONCE_SIZE_BYTES 12
|
|
/*! The size of the ChaCha key in Bytes. */
|
|
#define MBEDTLS_CHACHA_KEY_SIZE_BYTES 32
|
|
/*! Internal type to identify 12 byte nonce */
|
|
#define MBEDTLS_CHACHA_NONCE_SIZE_12BYTE_TYPE 1
|
|
|
|
/*! The definition of the 12-Byte array of the nonce buffer. */
|
|
typedef uint8_t mbedtls_chacha_nonce[MBEDTLS_CHACHA_NONCE_SIZE_BYTES];
|
|
|
|
/*! The definition of the key buffer of the ChaCha engine. */
|
|
typedef uint8_t mbedtls_chacha_key[MBEDTLS_CHACHA_KEY_SIZE_BYTES];
|
|
|
|
#if defined(MBEDTLS_CHACHA20_ALT)
|
|
|
|
typedef struct
|
|
{
|
|
uint32_t buf[MBEDTLS_CHACHA_USER_CTX_SIZE_IN_WORDS];
|
|
}
|
|
mbedtls_chacha20_context;
|
|
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
|
|
#endif /* MBEDTLS_CHACHA20_ALT_H */
|