[331] | 1 | /*
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| 2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #ifndef HEADER_SHA_H
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| 11 | # define HEADER_SHA_H
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| 12 |
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| 13 | # include <openssl/e_os2.h>
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| 14 | # include <stddef.h>
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| 15 |
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| 16 | #ifdef __cplusplus
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| 17 | extern "C" {
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| 18 | #endif
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| 19 |
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| 20 | /*-
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| 21 | * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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| 22 | * ! SHA_LONG has to be at least 32 bits wide. !
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| 23 | * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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| 24 | */
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| 25 | # define SHA_LONG unsigned int
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| 26 |
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| 27 | # define SHA_LBLOCK 16
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| 28 | # define SHA_CBLOCK (SHA_LBLOCK*4)/* SHA treats input data as a
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| 29 | * contiguous array of 32 bit wide
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| 30 | * big-endian values. */
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| 31 | # define SHA_LAST_BLOCK (SHA_CBLOCK-8)
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| 32 | # define SHA_DIGEST_LENGTH 20
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| 33 |
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| 34 | typedef struct SHAstate_st {
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| 35 | SHA_LONG h0, h1, h2, h3, h4;
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| 36 | SHA_LONG Nl, Nh;
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| 37 | SHA_LONG data[SHA_LBLOCK];
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| 38 | unsigned int num;
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| 39 | } SHA_CTX;
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| 40 |
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| 41 | int SHA1_Init(SHA_CTX *c);
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| 42 | int SHA1_Update(SHA_CTX *c, const void *data, size_t len);
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| 43 | int SHA1_Final(unsigned char *md, SHA_CTX *c);
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| 44 | unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md);
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| 45 | void SHA1_Transform(SHA_CTX *c, const unsigned char *data);
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| 46 |
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| 47 | # define SHA256_CBLOCK (SHA_LBLOCK*4)/* SHA-256 treats input data as a
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| 48 | * contiguous array of 32 bit wide
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| 49 | * big-endian values. */
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| 50 |
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| 51 | typedef struct SHA256state_st {
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| 52 | SHA_LONG h[8];
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| 53 | SHA_LONG Nl, Nh;
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| 54 | SHA_LONG data[SHA_LBLOCK];
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| 55 | unsigned int num, md_len;
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| 56 | } SHA256_CTX;
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| 57 |
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| 58 | int SHA224_Init(SHA256_CTX *c);
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| 59 | int SHA224_Update(SHA256_CTX *c, const void *data, size_t len);
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| 60 | int SHA224_Final(unsigned char *md, SHA256_CTX *c);
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| 61 | unsigned char *SHA224(const unsigned char *d, size_t n, unsigned char *md);
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| 62 | int SHA256_Init(SHA256_CTX *c);
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| 63 | int SHA256_Update(SHA256_CTX *c, const void *data, size_t len);
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| 64 | int SHA256_Final(unsigned char *md, SHA256_CTX *c);
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| 65 | unsigned char *SHA256(const unsigned char *d, size_t n, unsigned char *md);
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| 66 | void SHA256_Transform(SHA256_CTX *c, const unsigned char *data);
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| 67 |
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| 68 | # define SHA224_DIGEST_LENGTH 28
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| 69 | # define SHA256_DIGEST_LENGTH 32
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| 70 | # define SHA384_DIGEST_LENGTH 48
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| 71 | # define SHA512_DIGEST_LENGTH 64
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| 72 |
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| 73 | /*
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| 74 | * Unlike 32-bit digest algorithms, SHA-512 *relies* on SHA_LONG64
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| 75 | * being exactly 64-bit wide. See Implementation Notes in sha512.c
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| 76 | * for further details.
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| 77 | */
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| 78 | /*
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| 79 | * SHA-512 treats input data as a
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| 80 | * contiguous array of 64 bit
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| 81 | * wide big-endian values.
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| 82 | */
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| 83 | # define SHA512_CBLOCK (SHA_LBLOCK*8)
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| 84 | # if (defined(_WIN32) || defined(_WIN64)) && !defined(__MINGW32__)
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| 85 | # define SHA_LONG64 unsigned __int64
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| 86 | # define U64(C) C##UI64
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| 87 | # elif defined(__arch64__)
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| 88 | # define SHA_LONG64 unsigned long
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| 89 | # define U64(C) C##UL
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| 90 | # else
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| 91 | # define SHA_LONG64 unsigned long long
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| 92 | # define U64(C) C##ULL
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| 93 | # endif
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| 94 |
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| 95 | typedef struct SHA512state_st {
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| 96 | SHA_LONG64 h[8];
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| 97 | SHA_LONG64 Nl, Nh;
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| 98 | union {
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| 99 | SHA_LONG64 d[SHA_LBLOCK];
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| 100 | unsigned char p[SHA512_CBLOCK];
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| 101 | } u;
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| 102 | unsigned int num, md_len;
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| 103 | } SHA512_CTX;
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| 104 |
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| 105 | int SHA384_Init(SHA512_CTX *c);
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| 106 | int SHA384_Update(SHA512_CTX *c, const void *data, size_t len);
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| 107 | int SHA384_Final(unsigned char *md, SHA512_CTX *c);
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| 108 | unsigned char *SHA384(const unsigned char *d, size_t n, unsigned char *md);
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| 109 | int SHA512_Init(SHA512_CTX *c);
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| 110 | int SHA512_Update(SHA512_CTX *c, const void *data, size_t len);
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| 111 | int SHA512_Final(unsigned char *md, SHA512_CTX *c);
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| 112 | unsigned char *SHA512(const unsigned char *d, size_t n, unsigned char *md);
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| 113 | void SHA512_Transform(SHA512_CTX *c, const unsigned char *data);
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| 114 |
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| 115 | #ifdef __cplusplus
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| 116 | }
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| 117 | #endif
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| 118 |
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| 119 | #endif
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