VirtualBox

source: vbox/trunk/src/VBox/Runtime/common/checksum/openssl-sha512.cpp@ 82968

Last change on this file since 82968 was 82968, checked in by vboxsync, 5 years ago

Copyright year updates by scm.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 4.2 KB
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1/* $Id: openssl-sha512.cpp 82968 2020-02-04 10:35:17Z vboxsync $ */
2/** @file
3 * IPRT - SHA-512 hash functions.
4 */
5
6/*
7 * Copyright (C) 2009-2020 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * The contents of this file may alternatively be used under the terms
18 * of the Common Development and Distribution License Version 1.0
19 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20 * VirtualBox OSE distribution, in which case the provisions of the
21 * CDDL are applicable instead of those of the GPL.
22 *
23 * You may elect to license modified versions of this file under the
24 * terms and conditions of either the GPL or the CDDL or both.
25 */
26
27
28/*********************************************************************************************************************************
29* Header Files *
30*********************************************************************************************************************************/
31#include "internal/iprt.h"
32
33#include <openssl/sha.h>
34
35#define RT_SHA512_PRIVATE_CONTEXT
36#include <iprt/sha.h>
37
38#include <iprt/assert.h>
39#include <iprt/string.h>
40
41
42AssertCompile(RT_SIZEOFMEMB(RTSHA512CONTEXT, abPadding) >= RT_SIZEOFMEMB(RTSHA512CONTEXT, Private));
43
44
45RTDECL(void) RTSha512(const void *pvBuf, size_t cbBuf, uint8_t pabDigest[RTSHA512_HASH_SIZE])
46{
47 RTSHA512CONTEXT Ctx;
48 RTSha512Init(&Ctx);
49 RTSha512Update(&Ctx, pvBuf, cbBuf);
50 RTSha512Final(&Ctx, pabDigest);
51}
52RT_EXPORT_SYMBOL(RTSha512);
53
54
55RTDECL(bool) RTSha512Check(const void *pvBuf, size_t cbBuf, uint8_t const pabDigest[RTSHA512_HASH_SIZE])
56{
57 RTSHA512CONTEXT Ctx;
58 RTSha512Init(&Ctx);
59 RTSha512Update(&Ctx, pvBuf, cbBuf);
60 uint8_t abActualDigest[RTSHA512_HASH_SIZE];
61 RTSha512Final(&Ctx, abActualDigest);
62 bool fRet = memcmp(pabDigest, abActualDigest, RTSHA512_HASH_SIZE) == 0;
63 RT_ZERO(abActualDigest);
64 return fRet;
65}
66RT_EXPORT_SYMBOL(RTSha512Check);
67
68
69RTDECL(void) RTSha512Init(PRTSHA512CONTEXT pCtx)
70{
71 SHA512_Init(&pCtx->Private);
72}
73RT_EXPORT_SYMBOL(RTSha512Init);
74
75
76RTDECL(void) RTSha512Update(PRTSHA512CONTEXT pCtx, const void *pvBuf, size_t cbBuf)
77{
78 SHA512_Update(&pCtx->Private, pvBuf, cbBuf);
79}
80RT_EXPORT_SYMBOL(RTSha512Update);
81
82
83RTDECL(void) RTSha512Final(PRTSHA512CONTEXT pCtx, uint8_t pabDigest[32])
84{
85 SHA512_Final((unsigned char *)&pabDigest[0], &pCtx->Private);
86}
87RT_EXPORT_SYMBOL(RTSha512Final);
88
89
90/*
91 * We have to expose the same API as alt-sha512.cpp, so the SHA-384,
92 * SHA-512/224 and SHA-512/256 implementations also live here. (They are all
93 * just truncted SHA-512 with different initial values.)
94 */
95
96RTDECL(void) RTSha384(const void *pvBuf, size_t cbBuf, uint8_t pabDigest[RTSHA384_HASH_SIZE])
97{
98 RTSHA384CONTEXT Ctx;
99 RTSha384Init(&Ctx);
100 RTSha384Update(&Ctx, pvBuf, cbBuf);
101 RTSha384Final(&Ctx, pabDigest);
102}
103RT_EXPORT_SYMBOL(RTSha384);
104
105
106RTDECL(bool) RTSha384Check(const void *pvBuf, size_t cbBuf, uint8_t const pabDigest[RTSHA384_HASH_SIZE])
107{
108 RTSHA384CONTEXT Ctx;
109 RTSha384Init(&Ctx);
110 RTSha384Update(&Ctx, pvBuf, cbBuf);
111 uint8_t abActualDigest[RTSHA384_HASH_SIZE];
112 RTSha384Final(&Ctx, abActualDigest);
113 bool fRet = memcmp(pabDigest, abActualDigest, RTSHA384_HASH_SIZE) == 0;
114 RT_ZERO(abActualDigest);
115 return fRet;
116}
117RT_EXPORT_SYMBOL(RTSha384Check);
118
119
120RTDECL(void) RTSha384Init(PRTSHA384CONTEXT pCtx)
121{
122 SHA384_Init(&pCtx->Private);
123}
124RT_EXPORT_SYMBOL(RTSha384Init);
125
126
127RTDECL(void) RTSha384Update(PRTSHA384CONTEXT pCtx, const void *pvBuf, size_t cbBuf)
128{
129 SHA384_Update(&pCtx->Private, pvBuf, cbBuf);
130}
131RT_EXPORT_SYMBOL(RTSha384Update);
132
133
134RTDECL(void) RTSha384Final(PRTSHA384CONTEXT pCtx, uint8_t pabDigest[32])
135{
136 SHA384_Final((unsigned char *)&pabDigest[0], &pCtx->Private);
137}
138RT_EXPORT_SYMBOL(RTSha384Final);
139
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