mbed library sources. Supersedes mbed-src.
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targets/TARGET_NUVOTON/TARGET_NUC472/crypto/sha/sha256_alt_sw.h@152:9a67f0b066fc, 2016-12-15 (annotated)
- Committer:
- <>
- Date:
- Thu Dec 15 11:48:27 2016 +0000
- Revision:
- 152:9a67f0b066fc
- Parent:
- 149:156823d33999
This updates the lib to the mbed lib v131
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
<> | 149:156823d33999 | 1 | /** |
<> | 149:156823d33999 | 2 | * \file sha256.h |
<> | 149:156823d33999 | 3 | * |
<> | 149:156823d33999 | 4 | * \brief SHA-224 and SHA-256 cryptographic hash function |
<> | 149:156823d33999 | 5 | * |
<> | 149:156823d33999 | 6 | * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved |
<> | 149:156823d33999 | 7 | * SPDX-License-Identifier: Apache-2.0 |
<> | 149:156823d33999 | 8 | * |
<> | 149:156823d33999 | 9 | * Licensed under the Apache License, Version 2.0 (the "License"); you may |
<> | 149:156823d33999 | 10 | * not use this file except in compliance with the License. |
<> | 149:156823d33999 | 11 | * You may obtain a copy of the License at |
<> | 149:156823d33999 | 12 | * |
<> | 149:156823d33999 | 13 | * http://www.apache.org/licenses/LICENSE-2.0 |
<> | 149:156823d33999 | 14 | * |
<> | 149:156823d33999 | 15 | * Unless required by applicable law or agreed to in writing, software |
<> | 149:156823d33999 | 16 | * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
<> | 149:156823d33999 | 17 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
<> | 149:156823d33999 | 18 | * See the License for the specific language governing permissions and |
<> | 149:156823d33999 | 19 | * limitations under the License. |
<> | 149:156823d33999 | 20 | * |
<> | 149:156823d33999 | 21 | * This file is part of mbed TLS (https://tls.mbed.org) |
<> | 149:156823d33999 | 22 | */ |
<> | 149:156823d33999 | 23 | #ifndef MBEDTLS_SHA256_ALT_SW_H |
<> | 149:156823d33999 | 24 | #define MBEDTLS_SHA256_ALT_SW_H |
<> | 149:156823d33999 | 25 | |
<> | 149:156823d33999 | 26 | #if !defined(MBEDTLS_CONFIG_FILE) |
<> | 149:156823d33999 | 27 | #include "config.h" |
<> | 149:156823d33999 | 28 | #else |
<> | 149:156823d33999 | 29 | #include MBEDTLS_CONFIG_FILE |
<> | 149:156823d33999 | 30 | #endif |
<> | 149:156823d33999 | 31 | |
<> | 149:156823d33999 | 32 | #if defined(MBEDTLS_SHA256_C) |
<> | 149:156823d33999 | 33 | #if defined(MBEDTLS_SHA256_ALT) |
<> | 149:156823d33999 | 34 | |
<> | 149:156823d33999 | 35 | #include <stddef.h> |
<> | 149:156823d33999 | 36 | #include <stdint.h> |
<> | 149:156823d33999 | 37 | |
<> | 149:156823d33999 | 38 | #ifdef __cplusplus |
<> | 149:156823d33999 | 39 | extern "C" { |
<> | 149:156823d33999 | 40 | #endif |
<> | 149:156823d33999 | 41 | |
<> | 149:156823d33999 | 42 | /** |
<> | 149:156823d33999 | 43 | * \brief SHA-256 context structure |
<> | 149:156823d33999 | 44 | */ |
<> | 149:156823d33999 | 45 | typedef struct |
<> | 149:156823d33999 | 46 | { |
<> | 149:156823d33999 | 47 | uint32_t total[2]; /*!< number of bytes processed */ |
<> | 149:156823d33999 | 48 | uint32_t state[8]; /*!< intermediate digest state */ |
<> | 149:156823d33999 | 49 | unsigned char buffer[64]; /*!< data block being processed */ |
<> | 149:156823d33999 | 50 | int is224; /*!< 0 => SHA-256, else SHA-224 */ |
<> | 149:156823d33999 | 51 | } |
<> | 149:156823d33999 | 52 | mbedtls_sha256_sw_context; |
<> | 149:156823d33999 | 53 | |
<> | 149:156823d33999 | 54 | /** |
<> | 149:156823d33999 | 55 | * \brief Initialize SHA-256 context |
<> | 149:156823d33999 | 56 | * |
<> | 149:156823d33999 | 57 | * \param ctx SHA-256 context to be initialized |
<> | 149:156823d33999 | 58 | */ |
<> | 149:156823d33999 | 59 | void mbedtls_sha256_sw_init( mbedtls_sha256_sw_context *ctx ); |
<> | 149:156823d33999 | 60 | |
<> | 149:156823d33999 | 61 | /** |
<> | 149:156823d33999 | 62 | * \brief Clear SHA-256 context |
<> | 149:156823d33999 | 63 | * |
<> | 149:156823d33999 | 64 | * \param ctx SHA-256 context to be cleared |
<> | 149:156823d33999 | 65 | */ |
<> | 149:156823d33999 | 66 | void mbedtls_sha256_sw_free( mbedtls_sha256_sw_context *ctx ); |
<> | 149:156823d33999 | 67 | |
<> | 149:156823d33999 | 68 | /** |
<> | 149:156823d33999 | 69 | * \brief Clone (the state of) a SHA-256 context |
<> | 149:156823d33999 | 70 | * |
<> | 149:156823d33999 | 71 | * \param dst The destination context |
<> | 149:156823d33999 | 72 | * \param src The context to be cloned |
<> | 149:156823d33999 | 73 | */ |
<> | 149:156823d33999 | 74 | void mbedtls_sha256_sw_clone( mbedtls_sha256_sw_context *dst, |
<> | 149:156823d33999 | 75 | const mbedtls_sha256_sw_context *src ); |
<> | 149:156823d33999 | 76 | |
<> | 149:156823d33999 | 77 | /** |
<> | 149:156823d33999 | 78 | * \brief SHA-256 context setup |
<> | 149:156823d33999 | 79 | * |
<> | 149:156823d33999 | 80 | * \param ctx context to be initialized |
<> | 149:156823d33999 | 81 | * \param is224 0 = use SHA256, 1 = use SHA224 |
<> | 149:156823d33999 | 82 | */ |
<> | 149:156823d33999 | 83 | void mbedtls_sha256_sw_starts( mbedtls_sha256_sw_context *ctx, int is224 ); |
<> | 149:156823d33999 | 84 | |
<> | 149:156823d33999 | 85 | /** |
<> | 149:156823d33999 | 86 | * \brief SHA-256 process buffer |
<> | 149:156823d33999 | 87 | * |
<> | 149:156823d33999 | 88 | * \param ctx SHA-256 context |
<> | 149:156823d33999 | 89 | * \param input buffer holding the data |
<> | 149:156823d33999 | 90 | * \param ilen length of the input data |
<> | 149:156823d33999 | 91 | */ |
<> | 149:156823d33999 | 92 | void mbedtls_sha256_sw_update( mbedtls_sha256_sw_context *ctx, const unsigned char *input, |
<> | 149:156823d33999 | 93 | size_t ilen ); |
<> | 149:156823d33999 | 94 | |
<> | 149:156823d33999 | 95 | /** |
<> | 149:156823d33999 | 96 | * \brief SHA-256 final digest |
<> | 149:156823d33999 | 97 | * |
<> | 149:156823d33999 | 98 | * \param ctx SHA-256 context |
<> | 149:156823d33999 | 99 | * \param output SHA-224/256 checksum result |
<> | 149:156823d33999 | 100 | */ |
<> | 149:156823d33999 | 101 | void mbedtls_sha256_sw_finish( mbedtls_sha256_sw_context *ctx, unsigned char output[32] ); |
<> | 149:156823d33999 | 102 | |
<> | 149:156823d33999 | 103 | /* Internal use */ |
<> | 149:156823d33999 | 104 | void mbedtls_sha256_sw_process( mbedtls_sha256_sw_context *ctx, const unsigned char data[64] ); |
<> | 149:156823d33999 | 105 | |
<> | 149:156823d33999 | 106 | #ifdef __cplusplus |
<> | 149:156823d33999 | 107 | } |
<> | 149:156823d33999 | 108 | #endif |
<> | 149:156823d33999 | 109 | |
<> | 149:156823d33999 | 110 | #endif /* MBEDTLS_SHA256_ALT */ |
<> | 149:156823d33999 | 111 | #endif /* MBEDTLS_SHA256_C */ |
<> | 149:156823d33999 | 112 | |
<> | 149:156823d33999 | 113 | #endif /* sha256_alt_sw.h */ |