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/** @file
* IPRT - SHA1 digest creation
*/
/*
* Copyright (C) 2009-2010 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
#ifndef ___iprt_sha_h
#define ___iprt_sha_h
#include <iprt/types.h>
RT_C_DECLS_BEGIN
/** @defgroup grp_rt_sha RTSha - SHA Family of Hash Functions
* @ingroup grp_rt
* @{
*/
/** The size of a SHA-1 hash. */
#define RTSHA1_HASH_SIZE 20
/** The length of a SHA-1 digest string. The terminator is not included. */
#define RTSHA1_DIGEST_LEN 40
/**
* SHA-1 context.
*/
typedef union RTSHA1CONTEXT
{
uint8_t abPadding[ARCH_BITS == 32 ? 96 : 128];
#ifdef RT_SHA1_PRIVATE_CONTEXT
SHA_CTX Private;
#endif
} RTSHA1CONTEXT;
/** Pointer to an SHA-1 context. */
typedef RTSHA1CONTEXT *PRTSHA1CONTEXT;
/**
* Compute the SHA-1 hash of the data.
*
* @param pvBuf Pointer to the data.
* @param cbBuf The amount of data (in bytes).
* @param pabDigest Where to store the hash. (What is passed is a pointer to
* the caller's buffer.)
*/
RTDECL(void) RTSha1(const void *pvBuf, size_t cbBuf, uint8_t pabDigest[RTSHA1_HASH_SIZE]);
/**
* Initializes the SHA-1 context.
*
* @param pCtx Pointer to the SHA-1 context.
*/
RTDECL(void) RTSha1Init(PRTSHA1CONTEXT pCtx);
/**
* Feed data into the SHA-1 computation.
*
* @param pCtx Pointer to the SHA-1 context.
* @param pvBuf Pointer to the data.
* @param cbBuf The length of the data (in bytes).
*/
RTDECL(void) RTSha1Update(PRTSHA1CONTEXT pCtx, const void *pvBuf, size_t cbBuf);
/**
* Compute the SHA-1 hash of the data.
*
* @param pCtx Pointer to the SHA-1 context.
* @param pabDigest Where to store the hash. (What is passed is a pointer to
* the caller's buffer.)
*/
RTDECL(void) RTSha1Final(PRTSHA1CONTEXT pCtx, uint8_t pabDigest[RTSHA1_HASH_SIZE]);
/**
* Converts a SHA-1 hash to a digest string.
*
* @returns IPRT status code.
*
* @param pabDigest The binary digest returned by RTSha1Final or RTSha1.
* @param pszDigest Where to return the stringified digest.
* @param cchDigest The size of the output buffer. Should be at least
* RTSHA1_DIGEST_LEN + 1 bytes.
*/
RTDECL(int) RTSha1ToString(uint8_t const pabDigest[RTSHA1_HASH_SIZE], char *pszDigest, size_t cchDigest);
/**
* Converts a SHA-1 hash to a digest string.
*
* @returns IPRT status code.
*
* @param pszDigest The stringified digest. Leading and trailing spaces are
* ignored.
* @param pabDigest Where to store the hash. (What is passed is a pointer to
* the caller's buffer.)
*/
RTDECL(int) RTSha1FromString(char const *pszDigest, uint8_t pabDigest[RTSHA1_HASH_SIZE]);
/**
* Creates a SHA1 digest for the given memory buffer.
*
* @returns iprt status code.
*
* @param pvBuf Memory buffer to create a SHA1 digest for.
* @param cbBuf The amount of data (in bytes).
* @param ppszDigest On success the SHA1 digest.
* @param pfnProgressCallback optional callback for the progress indication
* @param pvUser user defined pointer for the callback
*/
RTR3DECL(int) RTSha1Digest(void* pvBuf, size_t cbBuf, char **ppszDigest, PFNRTPROGRESS pfnProgressCallback, void *pvUser);
/**
* Creates a SHA1 digest for the given file.
*
* @returns iprt status code.
*
* @param pszFile Filename to create a SHA1 digest for.
* @param ppszDigest On success the SHA1 digest.
* @param pfnProgressCallback optional callback for the progress indication
* @param pvUser user defined pointer for the callback
*/
RTR3DECL(int) RTSha1DigestFromFile(const char *pszFile, char **ppszDigest, PFNRTPROGRESS pfnProgressCallback, void *pvUser);
/** The size of a SHA-256 hash. */
#define RTSHA256_HASH_SIZE 32
/** The length of a SHA-256 digest string. The terminator is not included. */
#define RTSHA256_DIGEST_LEN 64
/**
* SHA-256 context.
*/
typedef union RTSHA256CONTEXT
{
uint8_t abPadding[ARCH_BITS == 32 ? 112 : 160];
#ifdef RT_SHA256_PRIVATE_CONTEXT
SHA256_CTX Private;
#endif
} RTSHA256CONTEXT;
/** Pointer to an SHA-256 context. */
typedef RTSHA256CONTEXT *PRTSHA256CONTEXT;
/**
* Compute the SHA-256 hash of the data.
*
* @param pvBuf Pointer to the data.
* @param cbBuf The amount of data (in bytes).
* @param pabDigest Where to store the hash. (What is passed is a pointer to
* the caller's buffer.)
*/
RTDECL(void) RTSha256(const void *pvBuf, size_t cbBuf, uint8_t pabDigest[RTSHA256_HASH_SIZE]);
/**
* Initializes the SHA-256 context.
*
* @param pCtx Pointer to the SHA-256 context.
*/
RTDECL(void) RTSha256Init(PRTSHA256CONTEXT pCtx);
/**
* Feed data into the SHA-256 computation.
*
* @param pCtx Pointer to the SHA-256 context.
* @param pvBuf Pointer to the data.
* @param cbBuf The length of the data (in bytes).
*/
RTDECL(void) RTSha256Update(PRTSHA256CONTEXT pCtx, const void *pvBuf, size_t cbBuf);
/**
* Compute the SHA-256 hash of the data.
*
* @param pCtx Pointer to the SHA-256 context.
* @param pabDigest Where to store the hash. (What is passed is a pointer to
* the caller's buffer.)
*/
RTDECL(void) RTSha256Final(PRTSHA256CONTEXT pCtx, uint8_t pabDigest[RTSHA256_HASH_SIZE]);
/**
* Converts a SHA-256 hash to a digest string.
*
* @returns IPRT status code.
*
* @param pabDigest The binary digest returned by RTSha256Final or RTSha256.
* @param pszDigest Where to return the stringified digest.
* @param cchDigest The size of the output buffer. Should be at least
* RTSHA256_DIGEST_LEN + 1 bytes.
*/
RTDECL(int) RTSha256ToString(uint8_t const pabDigest[RTSHA256_HASH_SIZE], char *pszDigest, size_t cchDigest);
/**
* Converts a SHA-256 hash to a digest string.
*
* @returns IPRT status code.
*
* @param pszDigest The stringified digest. Leading and trailing spaces are
* ignored.
* @param pabDigest Where to store the hash. (What is passed is a pointer to
* the caller's buffer.)
*/
RTDECL(int) RTSha256FromString(char const *pszDigest, uint8_t pabDigest[RTSHA256_HASH_SIZE]);
/**
* Creates a SHA256 digest for the given memory buffer.
*
* @returns iprt status code.
*
* @param pvBuf Memory buffer to create a
* SHA256 digest for.
* @param cbBuf The amount of data (in bytes).
* @param ppszDigest On success the SHA256 digest.
* @param pfnProgressCallback optional callback for the progress indication
* @param pvUser user defined pointer for the callback
*/
RTR3DECL(int) RTSha256Digest(void* pvBuf, size_t cbBuf, char **ppszDigest, PFNRTPROGRESS pfnProgressCallback, void *pvUser);
/**
* Creates a SHA256 digest for the given file.
*
* @returns iprt status code.
*
* @param pszFile Filename to create a SHA256
* digest for.
* @param ppszDigest On success the SHA256 digest.
* @param pfnProgressCallback optional callback for the progress indication
* @param pvUser user defined pointer for the callback
*/
RTR3DECL(int) RTSha256DigestFromFile(const char *pszFile, char **ppszDigest, PFNRTPROGRESS pfnProgressCallback, void *pvUser);
/** The size of a SHA-512 hash. */
#define RTSHA512_HASH_SIZE 64
/** The length of a SHA-512 digest string. The terminator is not included. */
#define RTSHA512_DIGEST_LEN 128
/**
* SHA-512 context.
*/
typedef union RTSHA512CONTEXT
{
uint8_t abPadding[ARCH_BITS == 32 ? 216 : 256];
#ifdef RT_SHA512_PRIVATE_CONTEXT
SHA512_CTX Private;
#endif
} RTSHA512CONTEXT;
/** Pointer to an SHA-512 context. */
typedef RTSHA512CONTEXT *PRTSHA512CONTEXT;
/**
* Compute the SHA-512 hash of the data.
*
* @param pvBuf Pointer to the data.
* @param cbBuf The amount of data (in bytes).
* @param pabDigest Where to store the hash. (What is passed is a pointer to
* the caller's buffer.)
*/
RTDECL(void) RTSha512(const void *pvBuf, size_t cbBuf, uint8_t pabDigest[RTSHA512_HASH_SIZE]);
/**
* Initializes the SHA-512 context.
*
* @param pCtx Pointer to the SHA-512 context.
*/
RTDECL(void) RTSha512Init(PRTSHA512CONTEXT pCtx);
/**
* Feed data into the SHA-512 computation.
*
* @param pCtx Pointer to the SHA-512 context.
* @param pvBuf Pointer to the data.
* @param cbBuf The length of the data (in bytes).
*/
RTDECL(void) RTSha512Update(PRTSHA512CONTEXT pCtx, const void *pvBuf, size_t cbBuf);
/**
* Compute the SHA-512 hash of the data.
*
* @param pCtx Pointer to the SHA-512 context.
* @param pabDigest Where to store the hash. (What is passed is a pointer to
* the caller's buffer.)
*/
RTDECL(void) RTSha512Final(PRTSHA512CONTEXT pCtx, uint8_t pabDigest[RTSHA512_HASH_SIZE]);
/**
* Converts a SHA-512 hash to a digest string.
*
* @returns IPRT status code.
*
* @param pabDigest The binary digest returned by RTSha512Final or RTSha512.
* @param pszDigest Where to return the stringified digest.
* @param cchDigest The size of the output buffer. Should be at least
* RTSHA512_DIGEST_LEN + 1 bytes.
*/
RTDECL(int) RTSha512ToString(uint8_t const pabDigest[RTSHA512_HASH_SIZE], char *pszDigest, size_t cchDigest);
/**
* Converts a SHA-512 hash to a digest string.
*
* @returns IPRT status code.
*
* @param pszDigest The stringified digest. Leading and trailing spaces are
* ignored.
* @param pabDigest Where to store the hash. (What is passed is a pointer to
* the caller's buffer.)
*/
RTDECL(int) RTSha512FromString(char const *pszDigest, uint8_t pabDigest[RTSHA512_HASH_SIZE]);
/** @} */
RT_C_DECLS_END
#endif /* ___iprt_sha1_h */
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