Varun Bahl / CyaSSL-Encryp

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config.h@2:d0516dc143b1, 2017-05-10 (annotated)

Committer:
vbahl2
Date:
Wed May 10 18:20:47 2017 +0000
Revision:
2:d0516dc143b1
updated

Who changed what in which revision?

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vbahl2 2:d0516dc143b1 1 /**
vbahl2 2:d0516dc143b1 2 * \file sha512.h
vbahl2 2:d0516dc143b1 3 *
vbahl2 2:d0516dc143b1 4 * \brief SHA-384 and SHA-512 cryptographic hash function
vbahl2 2:d0516dc143b1 5 *
vbahl2 2:d0516dc143b1 6 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
vbahl2 2:d0516dc143b1 7 * SPDX-License-Identifier: Apache-2.0
vbahl2 2:d0516dc143b1 8 *
vbahl2 2:d0516dc143b1 9 * Licensed under the Apache License, Version 2.0 (the "License"); you may
vbahl2 2:d0516dc143b1 10 * not use this file except in compliance with the License.
vbahl2 2:d0516dc143b1 11 * You may obtain a copy of the License at
vbahl2 2:d0516dc143b1 12 *
vbahl2 2:d0516dc143b1 13 * http://www.apache.org/licenses/LICENSE-2.0
vbahl2 2:d0516dc143b1 14 *
vbahl2 2:d0516dc143b1 15 * Unless required by applicable law or agreed to in writing, software
vbahl2 2:d0516dc143b1 16 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
vbahl2 2:d0516dc143b1 17 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
vbahl2 2:d0516dc143b1 18 * See the License for the specific language governing permissions and
vbahl2 2:d0516dc143b1 19 * limitations under the License.
vbahl2 2:d0516dc143b1 20 *
vbahl2 2:d0516dc143b1 21 * This file is part of mbed TLS (https://tls.mbed.org)
vbahl2 2:d0516dc143b1 22 */
vbahl2 2:d0516dc143b1 23 #ifndef MBEDTLS_SHA512_H
vbahl2 2:d0516dc143b1 24 #define MBEDTLS_SHA512_H
vbahl2 2:d0516dc143b1 25
vbahl2 2:d0516dc143b1 26 #if !defined(MBEDTLS_CONFIG_FILE)
vbahl2 2:d0516dc143b1 27 #include "config.h"
vbahl2 2:d0516dc143b1 28 #else
vbahl2 2:d0516dc143b1 29 #include MBEDTLS_CONFIG_FILE
vbahl2 2:d0516dc143b1 30 #endif
vbahl2 2:d0516dc143b1 31
vbahl2 2:d0516dc143b1 32 #include <stddef.h>
vbahl2 2:d0516dc143b1 33 #include <stdint.h>
vbahl2 2:d0516dc143b1 34
vbahl2 2:d0516dc143b1 35 #if !defined(MBEDTLS_SHA512_ALT)
vbahl2 2:d0516dc143b1 36 // Regular implementation
vbahl2 2:d0516dc143b1 37 //
vbahl2 2:d0516dc143b1 38
vbahl2 2:d0516dc143b1 39 #ifdef __cplusplus
vbahl2 2:d0516dc143b1 40 extern "C" {
vbahl2 2:d0516dc143b1 41 #endif
vbahl2 2:d0516dc143b1 42
vbahl2 2:d0516dc143b1 43 /**
vbahl2 2:d0516dc143b1 44 * \brief SHA-512 context structure
vbahl2 2:d0516dc143b1 45 */
vbahl2 2:d0516dc143b1 46 typedef struct
vbahl2 2:d0516dc143b1 47 {
vbahl2 2:d0516dc143b1 48 uint64_t total[2]; /*!< number of bytes processed */
vbahl2 2:d0516dc143b1 49 uint64_t state[8]; /*!< intermediate digest state */
vbahl2 2:d0516dc143b1 50 unsigned char buffer[128]; /*!< data block being processed */
vbahl2 2:d0516dc143b1 51 int is384; /*!< 0 => SHA-512, else SHA-384 */
vbahl2 2:d0516dc143b1 52 }
vbahl2 2:d0516dc143b1 53 mbedtls_sha512_context;
vbahl2 2:d0516dc143b1 54
vbahl2 2:d0516dc143b1 55 /**
vbahl2 2:d0516dc143b1 56 * \brief Initialize SHA-512 context
vbahl2 2:d0516dc143b1 57 *
vbahl2 2:d0516dc143b1 58 * \param ctx SHA-512 context to be initialized
vbahl2 2:d0516dc143b1 59 */
vbahl2 2:d0516dc143b1 60 void mbedtls_sha512_init( mbedtls_sha512_context *ctx );
vbahl2 2:d0516dc143b1 61
vbahl2 2:d0516dc143b1 62 /**
vbahl2 2:d0516dc143b1 63 * \brief Clear SHA-512 context
vbahl2 2:d0516dc143b1 64 *
vbahl2 2:d0516dc143b1 65 * \param ctx SHA-512 context to be cleared
vbahl2 2:d0516dc143b1 66 */
vbahl2 2:d0516dc143b1 67 void mbedtls_sha512_free( mbedtls_sha512_context *ctx );
vbahl2 2:d0516dc143b1 68
vbahl2 2:d0516dc143b1 69 /**
vbahl2 2:d0516dc143b1 70 * \brief Clone (the state of) a SHA-512 context
vbahl2 2:d0516dc143b1 71 *
vbahl2 2:d0516dc143b1 72 * \param dst The destination context
vbahl2 2:d0516dc143b1 73 * \param src The context to be cloned
vbahl2 2:d0516dc143b1 74 */
vbahl2 2:d0516dc143b1 75 void mbedtls_sha512_clone( mbedtls_sha512_context *dst,
vbahl2 2:d0516dc143b1 76 const mbedtls_sha512_context *src );
vbahl2 2:d0516dc143b1 77
vbahl2 2:d0516dc143b1 78 /**
vbahl2 2:d0516dc143b1 79 * \brief SHA-512 context setup
vbahl2 2:d0516dc143b1 80 *
vbahl2 2:d0516dc143b1 81 * \param ctx context to be initialized
vbahl2 2:d0516dc143b1 82 * \param is384 0 = use SHA512, 1 = use SHA384
vbahl2 2:d0516dc143b1 83 */
vbahl2 2:d0516dc143b1 84 void mbedtls_sha512_starts( mbedtls_sha512_context *ctx, int is384 );
vbahl2 2:d0516dc143b1 85
vbahl2 2:d0516dc143b1 86 /**
vbahl2 2:d0516dc143b1 87 * \brief SHA-512 process buffer
vbahl2 2:d0516dc143b1 88 *
vbahl2 2:d0516dc143b1 89 * \param ctx SHA-512 context
vbahl2 2:d0516dc143b1 90 * \param input buffer holding the data
vbahl2 2:d0516dc143b1 91 * \param ilen length of the input data
vbahl2 2:d0516dc143b1 92 */
vbahl2 2:d0516dc143b1 93 void mbedtls_sha512_update( mbedtls_sha512_context *ctx, const unsigned char *input,
vbahl2 2:d0516dc143b1 94 size_t ilen );
vbahl2 2:d0516dc143b1 95
vbahl2 2:d0516dc143b1 96 /**
vbahl2 2:d0516dc143b1 97 * \brief SHA-512 final digest
vbahl2 2:d0516dc143b1 98 *
vbahl2 2:d0516dc143b1 99 * \param ctx SHA-512 context
vbahl2 2:d0516dc143b1 100 * \param output SHA-384/512 checksum result
vbahl2 2:d0516dc143b1 101 */
vbahl2 2:d0516dc143b1 102 void mbedtls_sha512_finish( mbedtls_sha512_context *ctx, unsigned char output[64] );
vbahl2 2:d0516dc143b1 103
vbahl2 2:d0516dc143b1 104 #ifdef __cplusplus
vbahl2 2:d0516dc143b1 105 }
vbahl2 2:d0516dc143b1 106 #endif
vbahl2 2:d0516dc143b1 107
vbahl2 2:d0516dc143b1 108 #else /* MBEDTLS_SHA512_ALT */
vbahl2 2:d0516dc143b1 109 #include "sha512_alt.h"
vbahl2 2:d0516dc143b1 110 #endif /* MBEDTLS_SHA512_ALT */
vbahl2 2:d0516dc143b1 111
vbahl2 2:d0516dc143b1 112 #ifdef __cplusplus
vbahl2 2:d0516dc143b1 113 extern "C" {
vbahl2 2:d0516dc143b1 114 #endif
vbahl2 2:d0516dc143b1 115
vbahl2 2:d0516dc143b1 116 /**
vbahl2 2:d0516dc143b1 117 * \brief Output = SHA-512( input buffer )
vbahl2 2:d0516dc143b1 118 *
vbahl2 2:d0516dc143b1 119 * \param input buffer holding the data
vbahl2 2:d0516dc143b1 120 * \param ilen length of the input data
vbahl2 2:d0516dc143b1 121 * \param output SHA-384/512 checksum result
vbahl2 2:d0516dc143b1 122 * \param is384 0 = use SHA512, 1 = use SHA384
vbahl2 2:d0516dc143b1 123 */
vbahl2 2:d0516dc143b1 124 void mbedtls_sha512( const unsigned char *input, size_t ilen,
vbahl2 2:d0516dc143b1 125 unsigned char output[64], int is384 );
vbahl2 2:d0516dc143b1 126
vbahl2 2:d0516dc143b1 127 /**
vbahl2 2:d0516dc143b1 128 * \brief Checkup routine
vbahl2 2:d0516dc143b1 129 *
vbahl2 2:d0516dc143b1 130 * \return 0 if successful, or 1 if the test failed
vbahl2 2:d0516dc143b1 131 */
vbahl2 2:d0516dc143b1 132 int mbedtls_sha512_self_test( int verbose );
vbahl2 2:d0516dc143b1 133
vbahl2 2:d0516dc143b1 134 /* Internal use */
vbahl2 2:d0516dc143b1 135 void mbedtls_sha512_process( mbedtls_sha512_context *ctx, const unsigned char data[128] );
vbahl2 2:d0516dc143b1 136
vbahl2 2:d0516dc143b1 137 #ifdef __cplusplus
vbahl2 2:d0516dc143b1 138 }
vbahl2 2:d0516dc143b1 139 #endif
vbahl2 2:d0516dc143b1 140
vbahl2 2:d0516dc143b1 141 #endif /* mbedtls_sha512.h */