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chachapoly.h
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1
15/*
16 * Copyright The Mbed TLS Contributors
17 * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
18 *
19 * This file is provided under the Apache License 2.0, or the
20 * GNU General Public License v2.0 or later.
21 *
22 * **********
23 * Apache License 2.0:
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25 * Licensed under the Apache License, Version 2.0 (the "License"); you may
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58
59#ifndef MBEDTLS_CHACHAPOLY_H
60#define MBEDTLS_CHACHAPOLY_H
61
62#if !defined(MBEDTLS_CONFIG_FILE)
63#include "config.h"
64#else
65#include MBEDTLS_CONFIG_FILE
66#endif
67
68/* for shared error codes */
69#include "poly1305.h"
70
71#define MBEDTLS_ERR_CHACHAPOLY_BAD_STATE -0x0054
72#define MBEDTLS_ERR_CHACHAPOLY_AUTH_FAILED -0x0056
74#ifdef __cplusplus
75extern "C" {
76#endif
77
78typedef enum
79{
84
85#if !defined(MBEDTLS_CHACHAPOLY_ALT)
86
87#include "chacha20.h"
88
90{
95 int state;
97}
99
100#else /* !MBEDTLS_CHACHAPOLY_ALT */
101#include "chachapoly_alt.h"
102#endif /* !MBEDTLS_CHACHAPOLY_ALT */
103
147
156
169 const unsigned char key[32] );
170
197 const unsigned char nonce[12],
199
240 const unsigned char *aad,
241 size_t aad_len );
242
275 size_t len,
276 const unsigned char *input,
277 unsigned char *output );
278
296 unsigned char mac[16] );
297
328 size_t length,
329 const unsigned char nonce[12],
330 const unsigned char *aad,
331 size_t aad_len,
332 const unsigned char *input,
333 unsigned char *output,
334 unsigned char tag[16] );
335
362 size_t length,
363 const unsigned char nonce[12],
364 const unsigned char *aad,
365 size_t aad_len,
366 const unsigned char tag[16],
367 const unsigned char *input,
368 unsigned char *output );
369
370#if defined(MBEDTLS_SELF_TEST)
377int mbedtls_chachapoly_self_test( int verbose );
378#endif /* MBEDTLS_SELF_TEST */
379
380#ifdef __cplusplus
381}
382#endif
383
384#endif /* MBEDTLS_CHACHAPOLY_H */
This file contains ChaCha20 definitions and functions.
int mbedtls_chachapoly_finish(mbedtls_chachapoly_context *ctx, unsigned char mac[16])
This function finished the ChaCha20-Poly1305 operation and generates the MAC (authentication tag).
void mbedtls_chachapoly_init(mbedtls_chachapoly_context *ctx)
This function initializes the specified ChaCha20-Poly1305 context.
int mbedtls_chachapoly_starts(mbedtls_chachapoly_context *ctx, const unsigned char nonce[12], mbedtls_chachapoly_mode_t mode)
This function starts a ChaCha20-Poly1305 encryption or decryption operation.
int mbedtls_chachapoly_setkey(mbedtls_chachapoly_context *ctx, const unsigned char key[32])
This function sets the ChaCha20-Poly1305 symmetric encryption key.
int mbedtls_chachapoly_update(mbedtls_chachapoly_context *ctx, size_t len, const unsigned char *input, unsigned char *output)
Thus function feeds data to be encrypted or decrypted into an on-going ChaCha20-Poly1305 operation.
void mbedtls_chachapoly_free(mbedtls_chachapoly_context *ctx)
This function releases and clears the specified ChaCha20-Poly1305 context.
int mbedtls_chachapoly_encrypt_and_tag(mbedtls_chachapoly_context *ctx, size_t length, const unsigned char nonce[12], const unsigned char *aad, size_t aad_len, const unsigned char *input, unsigned char *output, unsigned char tag[16])
This function performs a complete ChaCha20-Poly1305 authenticated encryption with the previously-set ...
mbedtls_chachapoly_mode_t
Definition: chachapoly.h:79
@ MBEDTLS_CHACHAPOLY_ENCRYPT
Definition: chachapoly.h:80
@ MBEDTLS_CHACHAPOLY_DECRYPT
Definition: chachapoly.h:81
int mbedtls_chachapoly_auth_decrypt(mbedtls_chachapoly_context *ctx, size_t length, const unsigned char nonce[12], const unsigned char *aad, size_t aad_len, const unsigned char tag[16], const unsigned char *input, unsigned char *output)
This function performs a complete ChaCha20-Poly1305 authenticated decryption with the previously-set ...
int mbedtls_chachapoly_update_aad(mbedtls_chachapoly_context *ctx, const unsigned char *aad, size_t aad_len)
This function feeds additional data to be authenticated into an ongoing ChaCha20-Poly1305 operation.
UINT64 uint64_t
Definition: types.h:77
GLenum mode
Definition: glext.h:6217
GLuint GLsizei GLsizei * length
Definition: glext.h:6040
GLenum GLsizei len
Definition: glext.h:6722
GLenum GLenum GLenum input
Definition: glext.h:9031
This file contains Poly1305 definitions and functions.
#define verbose
Definition: rosglue.h:36
Definition: copy.c:22
mbedtls_chacha20_context chacha20_ctx
Definition: chachapoly.h:91
mbedtls_poly1305_context poly1305_ctx
Definition: chachapoly.h:92
mbedtls_chachapoly_mode_t mode
Definition: chachapoly.h:96
Definition: ecma_167.h:138