| 1 | /** @file
|
|---|
| 2 | * IPRT - Message-Digest Algorithm 2.
|
|---|
| 3 | */
|
|---|
| 4 |
|
|---|
| 5 | /*
|
|---|
| 6 | * Copyright (C) 2006-2020 Oracle Corporation
|
|---|
| 7 | *
|
|---|
| 8 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 9 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 10 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 11 | * General Public License (GPL) as published by the Free Software
|
|---|
| 12 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 13 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 14 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 15 | *
|
|---|
| 16 | * The contents of this file may alternatively be used under the terms
|
|---|
| 17 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 18 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 19 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 20 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 21 | *
|
|---|
| 22 | * You may elect to license modified versions of this file under the
|
|---|
| 23 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 24 | */
|
|---|
| 25 |
|
|---|
| 26 | #ifndef IPRT_INCLUDED_md2_h
|
|---|
| 27 | #define IPRT_INCLUDED_md2_h
|
|---|
| 28 | #ifndef RT_WITHOUT_PRAGMA_ONCE
|
|---|
| 29 | # pragma once
|
|---|
| 30 | #endif
|
|---|
| 31 |
|
|---|
| 32 | #include <iprt/types.h>
|
|---|
| 33 |
|
|---|
| 34 | RT_C_DECLS_BEGIN
|
|---|
| 35 |
|
|---|
| 36 | /** @defgroup grp_rt_md2 RTMd2 - Message-Digest algorithm 2
|
|---|
| 37 | * @ingroup grp_rt
|
|---|
| 38 | * @{
|
|---|
| 39 | */
|
|---|
| 40 |
|
|---|
| 41 | /** Size of a MD2 hash. */
|
|---|
| 42 | #define RTMD2_HASH_SIZE 16
|
|---|
| 43 | /** The length of a MD2 digest string. The terminator is not included. */
|
|---|
| 44 | #define RTMD2_DIGEST_LEN 32
|
|---|
| 45 |
|
|---|
| 46 | /**
|
|---|
| 47 | * MD2 hash algorithm context.
|
|---|
| 48 | */
|
|---|
| 49 | typedef union RTMD2CONTEXT
|
|---|
| 50 | {
|
|---|
| 51 | uint64_t u64BetterAlignment;
|
|---|
| 52 | uint8_t abPadding[4 + 16 + 16*4 + 16*4];
|
|---|
| 53 | #ifdef RT_MD2_PRIVATE_CONTEXT
|
|---|
| 54 | MD2_CTX Private;
|
|---|
| 55 | #endif
|
|---|
| 56 | #ifdef RT_MD2_PRIVATE_ALT_CONTEXT
|
|---|
| 57 | RTMD2ALTPRIVATECTX AltPrivate;
|
|---|
| 58 | #endif
|
|---|
| 59 | } RTMD2CONTEXT;
|
|---|
| 60 |
|
|---|
| 61 | /** Pointer to MD2 hash algorithm context. */
|
|---|
| 62 | typedef RTMD2CONTEXT *PRTMD2CONTEXT;
|
|---|
| 63 |
|
|---|
| 64 |
|
|---|
| 65 | /**
|
|---|
| 66 | * Compute the MD2 hash of the data.
|
|---|
| 67 | *
|
|---|
| 68 | * @param pvBuf Pointer to data.
|
|---|
| 69 | * @param cbBuf Length of data (in bytes).
|
|---|
| 70 | * @param pabDigest Where to store the hash.
|
|---|
| 71 | * (What's passed is a pointer to the caller's buffer.)
|
|---|
| 72 | */
|
|---|
| 73 | RTDECL(void) RTMd2(const void *pvBuf, size_t cbBuf, uint8_t pabDigest[RTMD2_HASH_SIZE]);
|
|---|
| 74 |
|
|---|
| 75 | /**
|
|---|
| 76 | * Initialize MD2 context.
|
|---|
| 77 | *
|
|---|
| 78 | * @param pCtx Pointer to the MD2 context to initialize.
|
|---|
| 79 | */
|
|---|
| 80 | RTDECL(void) RTMd2Init(PRTMD2CONTEXT pCtx);
|
|---|
| 81 |
|
|---|
| 82 | /**
|
|---|
| 83 | * Feed data into the MD2 computation.
|
|---|
| 84 | *
|
|---|
| 85 | * @param pCtx Pointer to the MD2 context.
|
|---|
| 86 | * @param pvBuf Pointer to data.
|
|---|
| 87 | * @param cbBuf Length of data (in bytes).
|
|---|
| 88 | */
|
|---|
| 89 | RTDECL(void) RTMd2Update(PRTMD2CONTEXT pCtx, const void *pvBuf, size_t cbBuf);
|
|---|
| 90 |
|
|---|
| 91 | /**
|
|---|
| 92 | * Compute the MD2 hash of the data.
|
|---|
| 93 | *
|
|---|
| 94 | * @param pCtx Pointer to the MD2 context.
|
|---|
| 95 | * @param pabDigest Where to store the hash. (What's passed is a pointer to
|
|---|
| 96 | * the caller's buffer.)
|
|---|
| 97 | */
|
|---|
| 98 | RTDECL(void) RTMd2Final(PRTMD2CONTEXT pCtx, uint8_t pabDigest[RTMD2_HASH_SIZE]);
|
|---|
| 99 |
|
|---|
| 100 | /**
|
|---|
| 101 | * Converts a MD2 hash to a digest string.
|
|---|
| 102 | *
|
|---|
| 103 | * @returns IPRT status code.
|
|---|
| 104 | *
|
|---|
| 105 | * @param pabDigest The binary digest returned by RTMd2Final or RTMd2.
|
|---|
| 106 | * @param pszDigest Where to return the stringified digest.
|
|---|
| 107 | * @param cchDigest The size of the output buffer. Should be at least
|
|---|
| 108 | * RTMD2_STRING_LEN + 1 bytes.
|
|---|
| 109 | */
|
|---|
| 110 | RTDECL(int) RTMd2ToString(uint8_t const pabDigest[RTMD2_HASH_SIZE], char *pszDigest, size_t cchDigest);
|
|---|
| 111 |
|
|---|
| 112 | /**
|
|---|
| 113 | * Converts a MD2 hash to a digest string.
|
|---|
| 114 | *
|
|---|
| 115 | * @returns IPRT status code.
|
|---|
| 116 | *
|
|---|
| 117 | * @param pszDigest The stringified digest. Leading and trailing spaces are
|
|---|
| 118 | * ignored.
|
|---|
| 119 | * @param pabDigest Where to store the hash. (What is passed is a pointer to
|
|---|
| 120 | * the caller's buffer.)
|
|---|
| 121 | */
|
|---|
| 122 | RTDECL(int) RTMd2FromString(char const *pszDigest, uint8_t pabDigest[RTMD2_HASH_SIZE]);
|
|---|
| 123 |
|
|---|
| 124 | /** @} */
|
|---|
| 125 |
|
|---|
| 126 | RT_C_DECLS_END
|
|---|
| 127 |
|
|---|
| 128 | #endif /* !IPRT_INCLUDED_md2_h */
|
|---|
| 129 |
|
|---|
