974deca5e1
git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@11846 178a84e3-b1eb-0310-8ba1-8eac791a3b58
161 lines
4.8 KiB
C
161 lines
4.8 KiB
C
/*
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---------------------------------------------------------------------------
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Copyright (c) 2002, Dr Brian Gladman < >, Worcester, UK.
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All rights reserved.
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LICENSE TERMS
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The free distribution and use of this software in both source and binary
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form is allowed (with or without changes) provided that:
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1. distributions of this source code include the above copyright
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notice, this list of conditions and the following disclaimer;
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2. distributions in binary form include the above copyright
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notice, this list of conditions and the following disclaimer
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in the documentation and/or other associated materials;
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3. the copyright holder's name is not used to endorse products
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built using this software without specific written permission.
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ALTERNATIVELY, provided that this notice is retained in full, this product
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may be distributed under the terms of the GNU General Public License (GPL),
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in which case the provisions of the GPL apply INSTEAD OF those given above.
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DISCLAIMER
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This software is provided 'as is' with no explicit or implied warranties
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in respect of its properties, including, but not limited to, correctness
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and/or fitness for purpose.
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---------------------------------------------------------------------------
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Issue Date: 26/08/2003
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*/
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#ifndef _SHA2_H
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#define _SHA2_H
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#include "irrMath.h"
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/* Defines for suffixes to 32 and 64 bit unsigned numeric values */
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#define sfx_lo(x,y) x##y
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#define sfx_hi(x,y) sfx_lo(x,y)
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#define n_u32(p) sfx_hi(0x##p,s_u32)
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#define n_u64(p) sfx_hi(0x##p,s_u64)
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/* define an unsigned 32-bit type */
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#if UINT_MAX == 0xffffffff
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typedef unsigned int sha2_32t;
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#define s_u32 u
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#elif ULONG_MAX == 0xffffffff
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typedef unsigned long sha2_32t;
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#define s_u32 ul
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#else
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#error Please define sha2_32t as an unsigned 32 bit type in sha2.h
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#endif
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/* define an unsigned 64-bit type */
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#ifdef _MSC_VER
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#if _MSC_VER < 1300
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typedef unsigned __int64 sha2_64t;
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#define s_u64 ui64
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#elif ULONG_MAX == 0xffffffffffffffff
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typedef unsigned long sha2_64t;
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#define s_u64 ul
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#elif ULONG_MAX == 0xffffffff
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typedef unsigned long long sha2_64t; /* a somewhat dangerous guess */
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#define s_u64 ull
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#else
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#error Please define sha2_64t as an unsigned 64 bit type in sha2.h
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#endif
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#else
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#ifdef _IRR_SOLARIS_PLATFORM_
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#include <sys/int_types.h>
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#else
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#include <stdint.h>
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#endif
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typedef int64_t sha2_64t;
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#if __WORDSIZE==64
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#define s_u64 ul
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#else
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#define s_u64 ull
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#endif
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#endif
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#define SHA256_DIGEST_SIZE 32
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#define SHA384_DIGEST_SIZE 48
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#define SHA512_DIGEST_SIZE 64
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#define SHA256_BLOCK_SIZE 64
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#define SHA384_BLOCK_SIZE 128
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#define SHA512_BLOCK_SIZE 128
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#define SHA2_MAX_DIGEST_SIZE SHA512_DIGEST_SIZE
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#define SHA2_GOOD 0
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#define SHA2_BAD 1
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/* type to hold the SHA256 context */
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typedef struct
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{ sha2_32t count[2];
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sha2_32t hash[8];
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sha2_32t wbuf[16];
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} sha256_ctx;
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/* type to hold the SHA384/512 context */
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typedef struct
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{ sha2_64t count[2];
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sha2_64t hash[8];
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sha2_64t wbuf[16];
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} sha512_ctx;
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typedef sha512_ctx sha384_ctx;
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/* type to hold a SHA2 context (256/384/512) */
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typedef struct
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{ union
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{ sha256_ctx ctx256[1];
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sha512_ctx ctx512[1];
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} uu[1];
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sha2_32t sha2_len;
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} sha2_ctx;
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#ifndef SHA2_DLL /* implement normal or DLL functions */
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#define sha2_void void
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#define sha2_int int
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#else
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#define sha2_void void __declspec(dllexport) _stdcall
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#define sha2_int int __declspec(dllexport) _stdcall
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#endif
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sha2_void sha256_compile(sha256_ctx ctx[1]);
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sha2_void sha512_compile(sha512_ctx ctx[1]);
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sha2_void sha256_begin(sha256_ctx ctx[1]);
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sha2_void sha256_hash(const unsigned char data[], unsigned long len, sha256_ctx ctx[1]);
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sha2_void sha256_end(unsigned char hval[], sha256_ctx ctx[1]);
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sha2_void sha256(unsigned char hval[], const unsigned char data[], unsigned long len);
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sha2_void sha384_begin(sha384_ctx ctx[1]);
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#define sha384_hash sha512_hash
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sha2_void sha384_end(unsigned char hval[], sha384_ctx ctx[1]);
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sha2_void sha384(unsigned char hval[], const unsigned char data[], unsigned long len);
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sha2_void sha512_begin(sha512_ctx ctx[1]);
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sha2_void sha512_hash(const unsigned char data[], unsigned long len, sha512_ctx ctx[1]);
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sha2_void sha512_end(unsigned char hval[], sha512_ctx ctx[1]);
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sha2_void sha512(unsigned char hval[], const unsigned char data[], unsigned long len);
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sha2_int sha2_begin(unsigned long size, sha2_ctx ctx[1]);
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sha2_void sha2_hash(const unsigned char data[], unsigned long len, sha2_ctx ctx[1]);
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sha2_void sha2_end(unsigned char hval[], sha2_ctx ctx[1]);
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sha2_int sha2(unsigned char hval[], unsigned long size, const unsigned char data[], unsigned long len);
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#endif
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