Mbed TLS v2.28.9
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poly1305.h
Go to the documentation of this file.
1
15/*
16 * Copyright The Mbed TLS Contributors
17 * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
18 */
19
20#ifndef MBEDTLS_POLY1305_H
21#define MBEDTLS_POLY1305_H
22
23#if !defined(MBEDTLS_CONFIG_FILE)
24#include "mbedtls/config.h"
25#else
26#include MBEDTLS_CONFIG_FILE
27#endif
28
29#include <stdint.h>
30#include <stddef.h>
31
33#define MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA -0x0057
34
35/* MBEDTLS_ERR_POLY1305_FEATURE_UNAVAILABLE is deprecated and should not be
36 * used. */
38#define MBEDTLS_ERR_POLY1305_FEATURE_UNAVAILABLE -0x0059
39
40/* MBEDTLS_ERR_POLY1305_HW_ACCEL_FAILED is deprecated and should not be used.
41 */
43#define MBEDTLS_ERR_POLY1305_HW_ACCEL_FAILED -0x005B
44
45#ifdef __cplusplus
46extern "C" {
47#endif
48
49#if !defined(MBEDTLS_POLY1305_ALT)
50
52 uint32_t r[4];
53 uint32_t s[4];
54 uint32_t acc[5];
55 uint8_t queue[16];
56 size_t queue_len;
57}
59
60#else /* MBEDTLS_POLY1305_ALT */
61#include "poly1305_alt.h"
62#endif /* MBEDTLS_POLY1305_ALT */
63
80
90
105 const unsigned char key[32]);
106
126 const unsigned char *input,
127 size_t ilen);
128
142 unsigned char mac[16]);
143
162int mbedtls_poly1305_mac(const unsigned char key[32],
163 const unsigned char *input,
164 size_t ilen,
165 unsigned char mac[16]);
166
167#if defined(MBEDTLS_SELF_TEST)
175#endif /* MBEDTLS_SELF_TEST */
176
177#ifdef __cplusplus
178}
179#endif
180
181#endif /* MBEDTLS_POLY1305_H */
Configuration options (set of defines)
struct mbedtls_poly1305_context mbedtls_poly1305_context
int mbedtls_poly1305_self_test(int verbose)
The Poly1305 checkup routine.
int mbedtls_poly1305_update(mbedtls_poly1305_context *ctx, const unsigned char *input, size_t ilen)
This functions feeds an input buffer into an ongoing Poly1305 computation.
int mbedtls_poly1305_mac(const unsigned char key[32], const unsigned char *input, size_t ilen, unsigned char mac[16])
This function calculates the Poly1305 MAC of the input buffer with the provided key.
int mbedtls_poly1305_finish(mbedtls_poly1305_context *ctx, unsigned char mac[16])
This function generates the Poly1305 Message Authentication Code (MAC).
void mbedtls_poly1305_init(mbedtls_poly1305_context *ctx)
This function initializes the specified Poly1305 context.
int mbedtls_poly1305_starts(mbedtls_poly1305_context *ctx, const unsigned char key[32])
This function sets the one-time authentication key.
void mbedtls_poly1305_free(mbedtls_poly1305_context *ctx)
This function releases and clears the specified Poly1305 context.