/** @file * IPRT - SHA1 digest creation */ /* * Copyright (C) 2009-2015 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 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 { uint64_t u64BetterAlignment; uint8_t abPadding[8 + (5 + 80) * 4 + 4]; #ifdef RT_SHA1_PRIVATE_CONTEXT SHA_CTX Private; #endif #ifdef RT_SHA1_PRIVATE_ALT_CONTEXT RTSHA1ALTPRIVATECTX AltPrivate; #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 pabHash 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 pabHash[RTSHA1_HASH_SIZE]); /** * Computes the SHA-1 hash for the given data comparing it with the one given. * * @returns true on match, false on mismatch. * @param pvBuf Pointer to the data. * @param cbBuf The amount of data (in bytes). * @param pabHash The hash to verify. (What is passed is a pointer to the * caller's buffer.) */ RTDECL(bool) RTSha1Check(const void *pvBuf, size_t cbBuf, uint8_t const pabHash[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 pabHash Where to store the hash. (What is passed is a pointer to * the caller's buffer.) */ RTDECL(void) RTSha1Final(PRTSHA1CONTEXT pCtx, uint8_t pabHash[RTSHA1_HASH_SIZE]); /** * Converts a SHA-1 hash to a digest string. * * @returns IPRT status code. * * @param pabHash 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 pabHash[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 pabHash Where to store the hash. (What is passed is a pointer to * the caller's buffer.) */ RTDECL(int) RTSha1FromString(char const *pszDigest, uint8_t pabHash[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 { uint64_t u64BetterAlignment; uint8_t abPadding[8 + (8 + 80) * 4]; #ifdef RT_SHA256_PRIVATE_CONTEXT SHA256_CTX Private; #endif #ifdef RT_SHA256_PRIVATE_ALT_CONTEXT RTSHA256ALTPRIVATECTX AltPrivate; #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 pabHash 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 pabHash[RTSHA256_HASH_SIZE]); /** * Computes the SHA-256 hash for the given data comparing it with the one given. * * @returns true on match, false on mismatch. * @param pvBuf Pointer to the data. * @param cbBuf The amount of data (in bytes). * @param pabHash The hash to verify. (What is passed is a pointer to the * caller's buffer.) */ RTDECL(bool) RTSha256Check(const void *pvBuf, size_t cbBuf, uint8_t const pabHash[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 pabHash Where to store the hash. (What is passed is a pointer to * the caller's buffer.) */ RTDECL(void) RTSha256Final(PRTSHA256CONTEXT pCtx, uint8_t pabHash[RTSHA256_HASH_SIZE]); /** * Converts a SHA-256 hash to a digest string. * * @returns IPRT status code. * * @param pabHash 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 pabHash[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 pabHash Where to store the hash. (What is passed is a pointer to * the caller's buffer.) */ RTDECL(int) RTSha256FromString(char const *pszDigest, uint8_t pabHash[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-224 hash. */ #define RTSHA224_HASH_SIZE 28 /** The length of a SHA-224 digest string. The terminator is not included. */ #define RTSHA224_DIGEST_LEN 56 /** SHA-224 context (same as for SHA-256). */ typedef RTSHA256CONTEXT RTSHA224CONTEXT; /** Pointer to an SHA-224 context. */ typedef RTSHA256CONTEXT *PRTSHA224CONTEXT; /** * Compute the SHA-224 hash of the data. * * @param pvBuf Pointer to the data. * @param cbBuf The amount of data (in bytes). * @param pabHash Where to store the hash. (What is passed is a pointer to * the caller's buffer.) */ RTDECL(void) RTSha224(const void *pvBuf, size_t cbBuf, uint8_t pabHash[RTSHA224_HASH_SIZE]); /** * Computes the SHA-224 hash for the given data comparing it with the one given. * * @returns true on match, false on mismatch. * @param pvBuf Pointer to the data. * @param cbBuf The amount of data (in bytes). * @param pabHash The hash to verify. (What is passed is a pointer to the * caller's buffer.) */ RTDECL(bool) RTSha224Check(const void *pvBuf, size_t cbBuf, uint8_t const pabHash[RTSHA224_HASH_SIZE]); /** * Initializes the SHA-224 context. * * @param pCtx Pointer to the SHA-224 context. */ RTDECL(void) RTSha224Init(PRTSHA224CONTEXT pCtx); /** * Feed data into the SHA-224 computation. * * @param pCtx Pointer to the SHA-224 context. * @param pvBuf Pointer to the data. * @param cbBuf The length of the data (in bytes). */ RTDECL(void) RTSha224Update(PRTSHA224CONTEXT pCtx, const void *pvBuf, size_t cbBuf); /** * Compute the SHA-224 hash of the data. * * @param pCtx Pointer to the SHA-224 context. * @param pabHash Where to store the hash. (What is passed is a pointer to * the caller's buffer.) */ RTDECL(void) RTSha224Final(PRTSHA224CONTEXT pCtx, uint8_t pabHash[RTSHA224_HASH_SIZE]); /** * Converts a SHA-224 hash to a digest string. * * @returns IPRT status code. * * @param pabHash The binary digest returned by RTSha224Final or RTSha224. * @param pszDigest Where to return the stringified digest. * @param cchDigest The size of the output buffer. Should be at least * RTSHA224_DIGEST_LEN + 1 bytes. */ RTDECL(int) RTSha224ToString(uint8_t const pabHash[RTSHA224_HASH_SIZE], char *pszDigest, size_t cchDigest); /** * Converts a SHA-224 hash to a digest string. * * @returns IPRT status code. * * @param pszDigest The stringified digest. Leading and trailing spaces are * ignored. * @param pabHash Where to store the hash. (What is passed is a pointer to * the caller's buffer.) */ RTDECL(int) RTSha224FromString(char const *pszDigest, uint8_t pabHash[RTSHA224_HASH_SIZE]); /** * Creates a SHA224 digest for the given memory buffer. * * @returns iprt status code. * * @param pvBuf Memory buffer to create a SHA224 digest for. * @param cbBuf The amount of data (in bytes). * @param ppszDigest On success the SHA224 digest. * @param pfnProgressCallback optional callback for the progress indication * @param pvUser user defined pointer for the callback */ RTR3DECL(int) RTSha224Digest(void* pvBuf, size_t cbBuf, char **ppszDigest, PFNRTPROGRESS pfnProgressCallback, void *pvUser); /** * Creates a SHA224 digest for the given file. * * @returns iprt status code. * * @param pszFile Filename to create a SHA224 digest for. * @param ppszDigest On success the SHA224 digest. * @param pfnProgressCallback optional callback for the progress indication * @param pvUser user defined pointer for the callback */ RTR3DECL(int) RTSha224DigestFromFile(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 { uint64_t u64BetterAlignment; uint8_t abPadding[16 + (80 + 8) * 8]; #ifdef RT_SHA512_PRIVATE_CONTEXT SHA512_CTX Private; #endif #ifdef RT_SHA512_PRIVATE_ALT_CONTEXT RTSHA512ALTPRIVATECTX AltPrivate; #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 pabHash 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 pabHash[RTSHA512_HASH_SIZE]); /** * Computes the SHA-512 hash for the given data comparing it with the one given. * * @returns true on match, false on mismatch. * @param pvBuf Pointer to the data. * @param cbBuf The amount of data (in bytes). * @param pabHash The hash to verify. (What is passed is a pointer to the * caller's buffer.) */ RTDECL(bool) RTSha512Check(const void *pvBuf, size_t cbBuf, uint8_t const pabHash[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 pabHash Where to store the hash. (What is passed is a pointer to * the caller's buffer.) */ RTDECL(void) RTSha512Final(PRTSHA512CONTEXT pCtx, uint8_t pabHash[RTSHA512_HASH_SIZE]); /** * Converts a SHA-512 hash to a digest string. * * @returns IPRT status code. * * @param pabHash 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 pabHash[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 pabHash Where to store the hash. (What is passed is a pointer to * the caller's buffer.) */ RTDECL(int) RTSha512FromString(char const *pszDigest, uint8_t pabHash[RTSHA512_HASH_SIZE]); /** Macro for declaring the interface for a SHA-512 variation. * @internal */ #define RTSHA512_DECLARE_VARIANT(a_Name, a_UName) \ typedef RTSHA512CONTEXT RT_CONCAT3(RTSHA,a_UName,CONTEXT); \ typedef RTSHA512CONTEXT *RT_CONCAT3(PRTSHA,a_UName,CONTEXT); \ RTDECL(void) RT_CONCAT(RTSha,a_Name)(const void *pvBuf, size_t cbBuf, uint8_t pabHash[RT_CONCAT3(RTSHA,a_UName,_HASH_SIZE)]); \ RTDECL(bool) RT_CONCAT3(RTSha,a_Name,Check)(const void *pvBuf, size_t cbBuf, uint8_t const pabHash[RT_CONCAT3(RTSHA,a_UName,_HASH_SIZE)]); \ RTDECL(void) RT_CONCAT3(RTSha,a_Name,Init)(RT_CONCAT3(PRTSHA,a_UName,CONTEXT) pCtx); \ RTDECL(void) RT_CONCAT3(RTSha,a_Name,Update)(RT_CONCAT3(PRTSHA,a_UName,CONTEXT) pCtx, const void *pvBuf, size_t cbBuf); \ RTDECL(void) RT_CONCAT3(RTSha,a_Name,Final)(RT_CONCAT3(PRTSHA,a_UName,CONTEXT) pCtx, uint8_t pabHash[RT_CONCAT3(RTSHA,a_UName,_HASH_SIZE)]); \ RTDECL(int) RT_CONCAT3(RTSha,a_Name,ToString)(uint8_t const pabHash[RT_CONCAT3(RTSHA,a_UName,_HASH_SIZE)], char *pszDigest, size_t cchDigest); \ RTDECL(int) RT_CONCAT3(RTSha,a_Name,FromString)(char const *pszDigest, uint8_t pabHash[RT_CONCAT3(RTSHA,a_UName,_HASH_SIZE)]) /** The size of a SHA-384 hash. */ #define RTSHA384_HASH_SIZE 48 /** The length of a SHA-384 digest string. The terminator is not included. */ #define RTSHA384_DIGEST_LEN 96 RTSHA512_DECLARE_VARIANT(384,384); /** The size of a SHA-512/224 hash. */ #define RTSHA512T224_HASH_SIZE 28 /** The length of a SHA-512/224 digest string. The terminator is not * included. */ #define RTSHA512T224_DIGEST_LEN 56 RTSHA512_DECLARE_VARIANT(512t224,512T224); /** The size of a SHA-512/256 hash. */ #define RTSHA512T256_HASH_SIZE 32 /** The length of a SHA-512/256 digest string. The terminator is not * included. */ #define RTSHA512T256_DIGEST_LEN 64 RTSHA512_DECLARE_VARIANT(512t256,512T256); /** @} */ RT_C_DECLS_END #endif