/** * \file sha1.h * * \brief This file contains SHA-1 definitions and functions. * * The Secure Hash Algorithm 1 (SHA-1) cryptographic hash function is defined in * <em>FIPS 180-4: Secure Hash Standard (SHS)</em>. * * \warning SHA-1 is considered a weak message digest and its use constitutes * a security risk. We recommend considering stronger message * digests instead. */ /* * Copyright (C) 2006-2018, Arm Limited (or its affiliates), All Rights Reserved * Copyright (C) 2019-2020, STMicroelectronics, 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. * * This file implements STMicroelectronics SHA1 API with HW services based * on mbed TLS API */ #ifndef MBEDTLS_SHA1_ALT_H #define MBEDTLS_SHA1_ALT_H #if defined (MBEDTLS_SHA1_ALT) /* Includes ------------------------------------------------------------------*/ #include "hash_stm32.h" #define ST_SHA1_BLOCK_SIZE ((size_t) 64) /*!< HW handles 512 bits, ie 64 bytes */ #define ST_SHA1_NB_HASH_REG ((uint32_t)57) /*!< Number of HASH HW context Registers: CR + STR + IMR + CSR[54] */ /** * \brief SHA-1 context structure */ typedef struct mbedtls_sha1_context { HASH_HandleTypeDef hhash; /*!< Handle of HASH HAL */ uint8_t sbuf[ST_SHA1_BLOCK_SIZE]; /*!< Buffer to store input data until ST_SHA1_BLOCK_SIZE is reached, or until last input data is reached */ uint8_t sbuf_len; /*!< Number of bytes stored in sbuf */ uint32_t ctx_save_regs[ST_SHA1_NB_HASH_REG]; } mbedtls_sha1_context; #endif /* MBEDTLS_SHA1_ALT */ #endif /* MBEDTLS_SHA1_ALT_H */