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Diffstat (limited to 'lib/mbedtls-2.27.0/include/mbedtls/poly1305.h')
| -rw-r--r-- | lib/mbedtls-2.27.0/include/mbedtls/poly1305.h | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/lib/mbedtls-2.27.0/include/mbedtls/poly1305.h b/lib/mbedtls-2.27.0/include/mbedtls/poly1305.h deleted file mode 100644 index 905c145..0000000 --- a/lib/mbedtls-2.27.0/include/mbedtls/poly1305.h +++ /dev/null @@ -1,191 +0,0 @@ -/** - * \file poly1305.h - * - * \brief This file contains Poly1305 definitions and functions. - * - * Poly1305 is a one-time message authenticator that can be used to - * authenticate messages. Poly1305-AES was created by Daniel - * Bernstein https://cr.yp.to/mac/poly1305-20050329.pdf The generic - * Poly1305 algorithm (not tied to AES) was also standardized in RFC - * 7539. - * - * \author Daniel King <damaki.gh@gmail.com> - */ - -/* - * Copyright The Mbed TLS Contributors - * SPDX-License-Identifier: Apache-2.0 - * - * Licensed under the Apache License, Version 2.0 (the "License"); you may - * not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT - * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef MBEDTLS_POLY1305_H -#define MBEDTLS_POLY1305_H - -#if !defined(MBEDTLS_CONFIG_FILE) -#include "mbedtls/config.h" -#else -#include MBEDTLS_CONFIG_FILE -#endif - -#include <stdint.h> -#include <stddef.h> - -#define MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA -0x0057 /**< Invalid input parameter(s). */ - -/* MBEDTLS_ERR_POLY1305_FEATURE_UNAVAILABLE is deprecated and should not be - * used. */ -#define MBEDTLS_ERR_POLY1305_FEATURE_UNAVAILABLE -0x0059 /**< Feature not available. For example, s part of the API is not implemented. */ - -/* MBEDTLS_ERR_POLY1305_HW_ACCEL_FAILED is deprecated and should not be used. - */ -#define MBEDTLS_ERR_POLY1305_HW_ACCEL_FAILED -0x005B /**< Poly1305 hardware accelerator failed. */ - -#ifdef __cplusplus -extern "C" { -#endif - -#if !defined(MBEDTLS_POLY1305_ALT) - -typedef struct mbedtls_poly1305_context -{ - uint32_t r[4]; /** The value for 'r' (low 128 bits of the key). */ - uint32_t s[4]; /** The value for 's' (high 128 bits of the key). */ - uint32_t acc[5]; /** The accumulator number. */ - uint8_t queue[16]; /** The current partial block of data. */ - size_t queue_len; /** The number of bytes stored in 'queue'. */ -} -mbedtls_poly1305_context; - -#else /* MBEDTLS_POLY1305_ALT */ -#include "poly1305_alt.h" -#endif /* MBEDTLS_POLY1305_ALT */ - -/** - * \brief This function initializes the specified Poly1305 context. - * - * It must be the first API called before using - * the context. - * - * It is usually followed by a call to - * \c mbedtls_poly1305_starts(), then one or more calls to - * \c mbedtls_poly1305_update(), then one call to - * \c mbedtls_poly1305_finish(), then finally - * \c mbedtls_poly1305_free(). - * - * \param ctx The Poly1305 context to initialize. This must - * not be \c NULL. - */ -void mbedtls_poly1305_init( mbedtls_poly1305_context *ctx ); - -/** - * \brief This function releases and clears the specified - * Poly1305 context. - * - * \param ctx The Poly1305 context to clear. This may be \c NULL, in which - * case this function is a no-op. If it is not \c NULL, it must - * point to an initialized Poly1305 context. - */ -void mbedtls_poly1305_free( mbedtls_poly1305_context *ctx ); - -/** - * \brief This function sets the one-time authentication key. - * - * \warning The key must be unique and unpredictable for each - * invocation of Poly1305. - * - * \param ctx The Poly1305 context to which the key should be bound. - * This must be initialized. - * \param key The buffer containing the \c 32 Byte (\c 256 Bit) key. - * - * \return \c 0 on success. - * \return A negative error code on failure. - */ -int mbedtls_poly1305_starts( mbedtls_poly1305_context *ctx, - const unsigned char key[32] ); - -/** - * \brief This functions feeds an input buffer into an ongoing - * Poly1305 computation. - * - * It is called between \c mbedtls_cipher_poly1305_starts() and - * \c mbedtls_cipher_poly1305_finish(). - * It can be called repeatedly to process a stream of data. - * - * \param ctx The Poly1305 context to use for the Poly1305 operation. - * This must be initialized and bound to a key. - * \param ilen The length of the input data in Bytes. - * Any value is accepted. - * \param input The buffer holding the input data. - * This pointer can be \c NULL if `ilen == 0`. - * - * \return \c 0 on success. - * \return A negative error code on failure. - */ -int mbedtls_poly1305_update( mbedtls_poly1305_context *ctx, - const unsigned char *input, - size_t ilen ); - -/** - * \brief This function generates the Poly1305 Message - * Authentication Code (MAC). - * - * \param ctx The Poly1305 context to use for the Poly1305 operation. - * This must be initialized and bound to a key. - * \param mac The buffer to where the MAC is written. This must - * be a writable buffer of length \c 16 Bytes. - * - * \return \c 0 on success. - * \return A negative error code on failure. - */ -int mbedtls_poly1305_finish( mbedtls_poly1305_context *ctx, - unsigned char mac[16] ); - -/** - * \brief This function calculates the Poly1305 MAC of the input - * buffer with the provided key. - * - * \warning The key must be unique and unpredictable for each - * invocation of Poly1305. - * - * \param key The buffer containing the \c 32 Byte (\c 256 Bit) key. - * \param ilen The length of the input data in Bytes. - * Any value is accepted. - * \param input The buffer holding the input data. - * This pointer can be \c NULL if `ilen == 0`. - * \param mac The buffer to where the MAC is written. This must be - * a writable buffer of length \c 16 Bytes. - * - * \return \c 0 on success. - * \return A negative error code on failure. - */ -int mbedtls_poly1305_mac( const unsigned char key[32], - const unsigned char *input, - size_t ilen, - unsigned char mac[16] ); - -#if defined(MBEDTLS_SELF_TEST) -/** - * \brief The Poly1305 checkup routine. - * - * \return \c 0 on success. - * \return \c 1 on failure. - */ -int mbedtls_poly1305_self_test( int verbose ); -#endif /* MBEDTLS_SELF_TEST */ - -#ifdef __cplusplus -} -#endif - -#endif /* MBEDTLS_POLY1305_H */ |