/* * Copyright (c) 2015-2016, Nuvoton Technology Corporation * * 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_SHA1_ALT_H #define MBEDTLS_SHA1_ALT_H #include "mbedtls/sha1.h" #if defined(MBEDTLS_SHA1_ALT) #include "sha_alt_hw.h" #include "sha1_alt_sw.h" #ifdef __cplusplus extern "C" { #endif struct mbedtls_sha1_context_s; /** * \brief SHA-1 context structure */ typedef struct mbedtls_sha1_context_s { void *active_ctx; crypto_sha_context hw_ctx; mbedtls_sha1_sw_context sw_ctx; } mbedtls_sha1_context; /** * \brief Initialize SHA-1 context * * \param ctx SHA-1 context to be initialized */ void mbedtls_sha1_init( mbedtls_sha1_context *ctx ); /** * \brief Clear SHA-1 context * * \param ctx SHA-1 context to be cleared */ void mbedtls_sha1_free( mbedtls_sha1_context *ctx ); /** * \brief Clone (the state of) a SHA-1 context * * \param dst The destination context * \param src The context to be cloned */ void mbedtls_sha1_clone( mbedtls_sha1_context *dst, const mbedtls_sha1_context *src ); /** * \brief SHA-1 context setup * * \param ctx context to be initialized * * \returns error code */ int mbedtls_sha1_starts_ret( mbedtls_sha1_context *ctx ); /** * \brief SHA-1 process buffer * * \param ctx SHA-1 context * \param input buffer holding the data * \param ilen length of the input data * * \returns error code */ int mbedtls_sha1_update_ret( mbedtls_sha1_context *ctx, const unsigned char *input, size_t ilen ); /** * \brief SHA-1 final digest * * \param ctx SHA-1 context * \param output SHA-1 checksum result * * \returns error code */ int mbedtls_sha1_finish_ret( mbedtls_sha1_context *ctx, unsigned char output[20] ); /* Internal use */ int mbedtls_internal_sha1_process( mbedtls_sha1_context *ctx, const unsigned char data[64] ); #if !defined(MBEDTLS_DEPRECATED_REMOVED) #if defined(MBEDTLS_DEPRECATED_WARNING) #define MBEDTLS_DEPRECATED __attribute__((deprecated)) #else #define MBEDTLS_DEPRECATED #endif /** * \brief SHA-1 context setup * * \deprecated Superseded by mbedtls_sha1_starts_ret() in 2.7.0 * * \param ctx The SHA-1 context to be initialized. * * \warning SHA-1 is considered a weak message digest and its use * constitutes a security risk. We recommend considering * stronger message digests instead. * */ MBEDTLS_DEPRECATED void mbedtls_sha1_starts( mbedtls_sha1_context *ctx ); /** * \brief SHA-1 process buffer * * \deprecated Superseded by mbedtls_sha1_update_ret() in 2.7.0 * * \param ctx The SHA-1 context. * \param input The buffer holding the input data. * \param ilen The length of the input data. * * \warning SHA-1 is considered a weak message digest and its use * constitutes a security risk. We recommend considering * stronger message digests instead. * */ MBEDTLS_DEPRECATED void mbedtls_sha1_update( mbedtls_sha1_context *ctx, const unsigned char *input, size_t ilen ); /** * \brief SHA-1 final digest * * \deprecated Superseded by mbedtls_sha1_finish_ret() in 2.7.0 * * \param ctx The SHA-1 context. * \param output The SHA-1 checksum result. * * \warning SHA-1 is considered a weak message digest and its use * constitutes a security risk. We recommend considering * stronger message digests instead. * */ MBEDTLS_DEPRECATED void mbedtls_sha1_finish( mbedtls_sha1_context *ctx, unsigned char output[20] ); /** * \brief SHA-1 process data block (internal use only) * * \deprecated Superseded by mbedtls_internal_sha1_process() in 2.7.0 * * \param ctx The SHA-1 context. * \param data The data block being processed. * * \warning SHA-1 is considered a weak message digest and its use * constitutes a security risk. We recommend considering * stronger message digests instead. * */ MBEDTLS_DEPRECATED void mbedtls_sha1_process( mbedtls_sha1_context *ctx, const unsigned char data[64] ); #undef MBEDTLS_DEPRECATED #endif /* !MBEDTLS_DEPRECATED_REMOVED */ #ifdef __cplusplus } #endif #endif /* MBEDTLS_SHA1_ALT */ #endif /* sha1_alt.h */