/* mbed Microcontroller Library * Copyright (c) 2006-2020 ARM Limited * * 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. */ /**************************************************************************** * * Copyright 2020 Samsung Electronics All Rights Reserved. * 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_SHA512_ALT_H #define MBEDTLS_SHA512_ALT_H #include "mbedtls/sha512.h" #if defined(MBEDTLS_SHA512_ALT) #include "sss_common.h" #ifdef __cplusplus extern "C" { #endif #define ST_SHA512_BUF_SIZE ((size_t) 512) struct mbedtls_sha512_context_s; /** * \brief SHA-512 context structure */ typedef struct mbedtls_sha512_context_s { /* for S/W SHA-384 */ uint64_t total[2]; /*!< The number of Bytes processed. */ uint64_t state[8]; /*!< The intermediate digest state. */ unsigned char buffer[128]; /*!< The data block being processed. */ int is384; /*!< Determines which function to use: 0: Use SHA-512, or 1: Use SHA-384. */ /* for H/W SHA-512 */ uint32_t totals; uint32_t hw; unsigned char sbuf[ST_SHA512_BUF_SIZE]; /*!< ST_SHA512_BLOCK_SIZE buffer to store values so that algorithm is called once the buffer is filled */ stOCTET_STRING pstMessage; stOCTET_STRING pstDigest; } mbedtls_sha512_context; /** * \brief Initialize SHA-512 context * * \param ctx SHA-512 context to be initialized */ void mbedtls_sha512_init(mbedtls_sha512_context *ctx); /** * \brief Clear SHA-512 context * * \param ctx SHA-512 context to be cleared */ void mbedtls_sha512_free(mbedtls_sha512_context *ctx); /** * \brief Clone (the state of) a SHA-512 context * * \param dst The destination context * \param src The context to be cloned */ void mbedtls_sha512_clone(mbedtls_sha512_context *dst, const mbedtls_sha512_context *src); /** * \brief SHA-512 context setup * * \param ctx context to be initialized * \param is224 0 = use SHA256, 1 = use SHA224 * * \returns error code */ int mbedtls_sha512_starts_ret(mbedtls_sha512_context *ctx, int is224); /** * \brief SHA-512 process buffer * * \param ctx SHA-512 context * \param input buffer holding the data * \param ilen length of the input data * * \returns error code */ int mbedtls_sha512_update_ret(mbedtls_sha512_context *ctx, const unsigned char *input, size_t ilen); /** * \brief SHA-512 final digest * * \param ctx SHA-512 context * \param output SHA-224/256 checksum result * * \returns error code */ int mbedtls_sha512_finish_ret(mbedtls_sha512_context *ctx, unsigned char output[64]); /* Internal use */ int mbedtls_internal_sha512_process(mbedtls_sha512_context *ctx, const unsigned char data[128]); #if !defined(MBEDTLS_DEPRECATED_REMOVED) #if defined(MBEDTLS_DEPRECATED_WARNING) #define MBEDTLS_DEPRECATED __attribute__((deprecated)) #else #define MBEDTLS_DEPRECATED #endif /** * \brief This function starts a SHA-512 checksum calculation. * * \deprecated Superseded by mbedtls_sha512_starts_ret() in 2.7.0. * * \param ctx The SHA-512 context to initialize. * \param is224 Determines which function to use. * */ MBEDTLS_DEPRECATED void mbedtls_sha512_starts(mbedtls_sha512_context *ctx, int is224); /** * \brief This function feeds an input buffer into an ongoing * SHA-512 checksum calculation. * * \deprecated Superseded by mbedtls_sha512_update_ret() in 2.7.0. * * \param ctx The SHA-512 context to initialize. * \param input The buffer holding the data. * \param ilen The length of the input data. */ MBEDTLS_DEPRECATED void mbedtls_sha512_update(mbedtls_sha512_context *ctx, const unsigned char *input, size_t ilen); /** * \brief This function finishes the SHA-512 operation, and writes * the result to the output buffer. * * \deprecated Superseded by mbedtls_sha512_finish_ret() in 2.7.0. * * \param ctx The SHA-512 context. * \param output The SHA-224or SHA-512 checksum result. */ MBEDTLS_DEPRECATED void mbedtls_sha512_finish(mbedtls_sha512_context *ctx, unsigned char output[64]); /** * \brief This function processes a single data block within * the ongoing SHA-512 computation. This function is for * internal use only. * * \deprecated Superseded by mbedtls_internal_sha512_process() in 2.7.0. * * \param ctx The SHA-512 context. * \param data The buffer holding one block of data. */ MBEDTLS_DEPRECATED void mbedtls_sha512_process(mbedtls_sha512_context *ctx, const unsigned char data[128]); #undef MBEDTLS_DEPRECATED #endif /* !MBEDTLS_DEPRECATED_REMOVED */ #ifdef __cplusplus } #endif #endif /* MBEDTLS_SHA512_ALT */ #endif /* sha512_alt.h */