VirtualBox

source: vbox/trunk/include/iprt/sha.h@ 45903

Last change on this file since 45903 was 45227, checked in by vboxsync, 12 years ago

Main: OVF 2.0 support. Part 1 - SHA256 digest is supported.

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1/** @file
2 * IPRT - SHA1 digest creation
3 */
4
5/*
6 * Copyright (C) 2009-2010 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_sha_h
27#define ___iprt_sha_h
28
29#include <iprt/types.h>
30
31RT_C_DECLS_BEGIN
32
33/** @defgroup grp_rt_sha RTSha - SHA Family of Hash Functions
34 * @ingroup grp_rt
35 * @{
36 */
37
38/** The size of a SHA-1 hash. */
39#define RTSHA1_HASH_SIZE 20
40/** The length of a SHA-1 digest string. The terminator is not included. */
41#define RTSHA1_DIGEST_LEN 40
42
43/**
44 * SHA-1 context.
45 */
46typedef union RTSHA1CONTEXT
47{
48 uint8_t abPadding[ARCH_BITS == 32 ? 96 : 128];
49#ifdef RT_SHA1_PRIVATE_CONTEXT
50 SHA_CTX Private;
51#endif
52} RTSHA1CONTEXT;
53/** Pointer to an SHA-1 context. */
54typedef RTSHA1CONTEXT *PRTSHA1CONTEXT;
55
56/**
57 * Compute the SHA-1 hash of the data.
58 *
59 * @param pvBuf Pointer to the data.
60 * @param cbBuf The amount of data (in bytes).
61 * @param pabDigest Where to store the hash. (What is passed is a pointer to
62 * the caller's buffer.)
63 */
64RTDECL(void) RTSha1(const void *pvBuf, size_t cbBuf, uint8_t pabDigest[RTSHA1_HASH_SIZE]);
65
66/**
67 * Initializes the SHA-1 context.
68 *
69 * @param pCtx Pointer to the SHA-1 context.
70 */
71RTDECL(void) RTSha1Init(PRTSHA1CONTEXT pCtx);
72
73/**
74 * Feed data into the SHA-1 computation.
75 *
76 * @param pCtx Pointer to the SHA-1 context.
77 * @param pvBuf Pointer to the data.
78 * @param cbBuf The length of the data (in bytes).
79 */
80RTDECL(void) RTSha1Update(PRTSHA1CONTEXT pCtx, const void *pvBuf, size_t cbBuf);
81
82/**
83 * Compute the SHA-1 hash of the data.
84 *
85 * @param pCtx Pointer to the SHA-1 context.
86 * @param pabDigest Where to store the hash. (What is passed is a pointer to
87 * the caller's buffer.)
88 */
89RTDECL(void) RTSha1Final(PRTSHA1CONTEXT pCtx, uint8_t pabDigest[RTSHA1_HASH_SIZE]);
90
91/**
92 * Converts a SHA-1 hash to a digest string.
93 *
94 * @returns IPRT status code.
95 *
96 * @param pabDigest The binary digest returned by RTSha1Final or RTSha1.
97 * @param pszDigest Where to return the stringified digest.
98 * @param cchDigest The size of the output buffer. Should be at least
99 * RTSHA1_DIGEST_LEN + 1 bytes.
100 */
101RTDECL(int) RTSha1ToString(uint8_t const pabDigest[RTSHA1_HASH_SIZE], char *pszDigest, size_t cchDigest);
102
103/**
104 * Converts a SHA-1 hash to a digest string.
105 *
106 * @returns IPRT status code.
107 *
108 * @param pszDigest The stringified digest. Leading and trailing spaces are
109 * ignored.
110 * @param pabDigest Where to store the hash. (What is passed is a pointer to
111 * the caller's buffer.)
112 */
113RTDECL(int) RTSha1FromString(char const *pszDigest, uint8_t pabDigest[RTSHA1_HASH_SIZE]);
114
115/**
116 * Creates a SHA1 digest for the given memory buffer.
117 *
118 * @returns iprt status code.
119 *
120 * @param pvBuf Memory buffer to create a SHA1 digest for.
121 * @param cbBuf The amount of data (in bytes).
122 * @param ppszDigest On success the SHA1 digest.
123 * @param pfnProgressCallback optional callback for the progress indication
124 * @param pvUser user defined pointer for the callback
125 */
126RTR3DECL(int) RTSha1Digest(void* pvBuf, size_t cbBuf, char **ppszDigest, PFNRTPROGRESS pfnProgressCallback, void *pvUser);
127
128/**
129 * Creates a SHA1 digest for the given file.
130 *
131 * @returns iprt status code.
132 *
133 * @param pszFile Filename to create a SHA1 digest for.
134 * @param ppszDigest On success the SHA1 digest.
135 * @param pfnProgressCallback optional callback for the progress indication
136 * @param pvUser user defined pointer for the callback
137 */
138RTR3DECL(int) RTSha1DigestFromFile(const char *pszFile, char **ppszDigest, PFNRTPROGRESS pfnProgressCallback, void *pvUser);
139
140
141/** The size of a SHA-256 hash. */
142#define RTSHA256_HASH_SIZE 32
143/** The length of a SHA-256 digest string. The terminator is not included. */
144#define RTSHA256_DIGEST_LEN 64
145
146/**
147 * SHA-256 context.
148 */
149typedef union RTSHA256CONTEXT
150{
151 uint8_t abPadding[ARCH_BITS == 32 ? 112 : 160];
152#ifdef RT_SHA256_PRIVATE_CONTEXT
153 SHA256_CTX Private;
154#endif
155} RTSHA256CONTEXT;
156/** Pointer to an SHA-256 context. */
157typedef RTSHA256CONTEXT *PRTSHA256CONTEXT;
158
159/**
160 * Compute the SHA-256 hash of the data.
161 *
162 * @param pvBuf Pointer to the data.
163 * @param cbBuf The amount of data (in bytes).
164 * @param pabDigest Where to store the hash. (What is passed is a pointer to
165 * the caller's buffer.)
166 */
167RTDECL(void) RTSha256(const void *pvBuf, size_t cbBuf, uint8_t pabDigest[RTSHA256_HASH_SIZE]);
168
169/**
170 * Initializes the SHA-256 context.
171 *
172 * @param pCtx Pointer to the SHA-256 context.
173 */
174RTDECL(void) RTSha256Init(PRTSHA256CONTEXT pCtx);
175
176/**
177 * Feed data into the SHA-256 computation.
178 *
179 * @param pCtx Pointer to the SHA-256 context.
180 * @param pvBuf Pointer to the data.
181 * @param cbBuf The length of the data (in bytes).
182 */
183RTDECL(void) RTSha256Update(PRTSHA256CONTEXT pCtx, const void *pvBuf, size_t cbBuf);
184
185/**
186 * Compute the SHA-256 hash of the data.
187 *
188 * @param pCtx Pointer to the SHA-256 context.
189 * @param pabDigest Where to store the hash. (What is passed is a pointer to
190 * the caller's buffer.)
191 */
192RTDECL(void) RTSha256Final(PRTSHA256CONTEXT pCtx, uint8_t pabDigest[RTSHA256_HASH_SIZE]);
193
194/**
195 * Converts a SHA-256 hash to a digest string.
196 *
197 * @returns IPRT status code.
198 *
199 * @param pabDigest The binary digest returned by RTSha256Final or RTSha256.
200 * @param pszDigest Where to return the stringified digest.
201 * @param cchDigest The size of the output buffer. Should be at least
202 * RTSHA256_DIGEST_LEN + 1 bytes.
203 */
204RTDECL(int) RTSha256ToString(uint8_t const pabDigest[RTSHA256_HASH_SIZE], char *pszDigest, size_t cchDigest);
205
206/**
207 * Converts a SHA-256 hash to a digest string.
208 *
209 * @returns IPRT status code.
210 *
211 * @param pszDigest The stringified digest. Leading and trailing spaces are
212 * ignored.
213 * @param pabDigest Where to store the hash. (What is passed is a pointer to
214 * the caller's buffer.)
215 */
216RTDECL(int) RTSha256FromString(char const *pszDigest, uint8_t pabDigest[RTSHA256_HASH_SIZE]);
217
218/**
219 * Creates a SHA256 digest for the given memory buffer.
220 *
221 * @returns iprt status code.
222 *
223 * @param pvBuf Memory buffer to create a
224 * SHA256 digest for.
225 * @param cbBuf The amount of data (in bytes).
226 * @param ppszDigest On success the SHA256 digest.
227 * @param pfnProgressCallback optional callback for the progress indication
228 * @param pvUser user defined pointer for the callback
229 */
230RTR3DECL(int) RTSha256Digest(void* pvBuf, size_t cbBuf, char **ppszDigest, PFNRTPROGRESS pfnProgressCallback, void *pvUser);
231
232/**
233 * Creates a SHA256 digest for the given file.
234 *
235 * @returns iprt status code.
236 *
237 * @param pszFile Filename to create a SHA256
238 * digest for.
239 * @param ppszDigest On success the SHA256 digest.
240 * @param pfnProgressCallback optional callback for the progress indication
241 * @param pvUser user defined pointer for the callback
242 */
243RTR3DECL(int) RTSha256DigestFromFile(const char *pszFile, char **ppszDigest, PFNRTPROGRESS pfnProgressCallback, void *pvUser);
244
245/** The size of a SHA-512 hash. */
246#define RTSHA512_HASH_SIZE 64
247/** The length of a SHA-512 digest string. The terminator is not included. */
248#define RTSHA512_DIGEST_LEN 128
249
250/**
251 * SHA-512 context.
252 */
253typedef union RTSHA512CONTEXT
254{
255 uint8_t abPadding[ARCH_BITS == 32 ? 216 : 256];
256#ifdef RT_SHA512_PRIVATE_CONTEXT
257 SHA512_CTX Private;
258#endif
259} RTSHA512CONTEXT;
260/** Pointer to an SHA-512 context. */
261typedef RTSHA512CONTEXT *PRTSHA512CONTEXT;
262
263/**
264 * Compute the SHA-512 hash of the data.
265 *
266 * @param pvBuf Pointer to the data.
267 * @param cbBuf The amount of data (in bytes).
268 * @param pabDigest Where to store the hash. (What is passed is a pointer to
269 * the caller's buffer.)
270 */
271RTDECL(void) RTSha512(const void *pvBuf, size_t cbBuf, uint8_t pabDigest[RTSHA512_HASH_SIZE]);
272
273/**
274 * Initializes the SHA-512 context.
275 *
276 * @param pCtx Pointer to the SHA-512 context.
277 */
278RTDECL(void) RTSha512Init(PRTSHA512CONTEXT pCtx);
279
280/**
281 * Feed data into the SHA-512 computation.
282 *
283 * @param pCtx Pointer to the SHA-512 context.
284 * @param pvBuf Pointer to the data.
285 * @param cbBuf The length of the data (in bytes).
286 */
287RTDECL(void) RTSha512Update(PRTSHA512CONTEXT pCtx, const void *pvBuf, size_t cbBuf);
288
289/**
290 * Compute the SHA-512 hash of the data.
291 *
292 * @param pCtx Pointer to the SHA-512 context.
293 * @param pabDigest Where to store the hash. (What is passed is a pointer to
294 * the caller's buffer.)
295 */
296RTDECL(void) RTSha512Final(PRTSHA512CONTEXT pCtx, uint8_t pabDigest[RTSHA512_HASH_SIZE]);
297
298/**
299 * Converts a SHA-512 hash to a digest string.
300 *
301 * @returns IPRT status code.
302 *
303 * @param pabDigest The binary digest returned by RTSha512Final or RTSha512.
304 * @param pszDigest Where to return the stringified digest.
305 * @param cchDigest The size of the output buffer. Should be at least
306 * RTSHA512_DIGEST_LEN + 1 bytes.
307 */
308RTDECL(int) RTSha512ToString(uint8_t const pabDigest[RTSHA512_HASH_SIZE], char *pszDigest, size_t cchDigest);
309
310/**
311 * Converts a SHA-512 hash to a digest string.
312 *
313 * @returns IPRT status code.
314 *
315 * @param pszDigest The stringified digest. Leading and trailing spaces are
316 * ignored.
317 * @param pabDigest Where to store the hash. (What is passed is a pointer to
318 * the caller's buffer.)
319 */
320RTDECL(int) RTSha512FromString(char const *pszDigest, uint8_t pabDigest[RTSHA512_HASH_SIZE]);
321
322/** @} */
323
324RT_C_DECLS_END
325
326#endif /* ___iprt_sha1_h */
327
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