MD5、SHA1、SHA256以及SHA512加解密算法实现

/************************************************************************* 创建: 2013年12月16日 文件: sha512.c 作者: (AI00@foxmail.com) 描述: sha512算法，大小端系统均可用，不依赖任何外部函数 测试1："abc" 长：3字节 hash：DDAF35A193617ABACC417349AE20413112E6FA4E89A97EA20A9EEEE64B55D39A 2192992A274FC1A836BA3C23A3FEEBBD454D4423643CE80E2A9AC94FA54CA49F *************************************************************************/ #include "sha512.h" //K表 static const unsigned long long g_nK[80] = { 0x428a2f98d728ae22, 0x7137449123ef65cd, 0xb5c0fbcfec4d3b2f, 0xe9b5dba58189dbbc, 0x3956c25bf348b538, 0x59f111f1b605d019, 0x923f82a4af194f9b, 0xab1c5ed5da6d8118, 0xd807aa98a3030242, 0x12835b0145706fbe, 0x243185be4ee4b28c, 0x550c7dc3d5ffb4e2, 0x72be5d74f27b896f, 0x80deb1fe3b1696b1, 0x9bdc06a725c71235, 0xc19bf174cf692694, 0xe49b69c19ef14ad2, 0xefbe4786384f25e3, 0x0fc19dc68b8cd5b5, 0x240ca1cc77ac9c65, 0x2de92c6f592b0275, 0x4a7484aa6ea6e483, 0x5cb0a9dcbd41fbd4, 0x76f988da831153b5, 0x983e5152ee66dfab, 0xa831c66d2db43210, 0xb00327c898fb213f, 0xbf597fc7beef0ee4, 0xc6e00bf33da88fc2, 0xd5a79147930aa725, 0x06ca6351e003826f, 0x142929670a0e6e70, 0x27b70a8546d22ffc, 0x2e1b21385c26c926, 0x4d2c6dfc5ac42aed, 0x53380d139d95b3df, 0x650a73548baf63de, 0x766a0abb3c77b2a8, 0x81c2c92e47edaee6, 0x92722c851482353b, 0xa2bfe8a14cf10364, 0xa81a664bbc423001, 0xc24b8b70d0f89791, 0xc76c51a30654be30, 0xd192e819d6ef5218, 0xd69906245565a910, 0xf40e35855771202a, 0x106aa07032bbd1b8, 0x19a4c116b8d2d0c8, 0x1e376c085141ab53, 0x2748774cdf8eeb99, 0x34b0bcb5e19b48a8, 0x391c0cb3c5c95a63, 0x4ed8aa4ae3418acb, 0x5b9cca4f7763e373, 0x682e6ff3d6b2b8a3, 0x748f82ee5defb2fc, 0x78a5636f43172f60, 0x84c87814a1f0ab72, 0x8cc702081a6439ec, 0x90befffa23631e28, 0xa4506cebde82bde9, 0xbef9a3f7b2c67915, 0xc67178f2e372532b, 0xca273eceea26619c, 0xd186b8c721c0c207, 0xeada7dd6cde0eb1e, 0xf57d4f7fee6ed178, 0x06f067aa72176fba, 0x0a637dc5a2c898a6, 0x113f9804bef90dae, 0x1b710b35131c471b, 0x28db77f523047d84, 0x32caab7b40c72493, 0x3c9ebe0a15c9bebc, 0x431d67c49c100d4c, 0x4cc5d4becb3e42b6, 0x597f299cfc657e2a, 0x5fcb6fab3ad6faec, 0x6c44198c4a475817 }; //函数引入 #define RMove(x,n) (((sha_uint64)(x)>>(n))|((sha_uint64)(x)<<(64-(n)))) #define Ch(x,y,z) (((x)&(y))^((~(x))&(z))) #define Maj(x,y,z) (((x)&(y))^((x)&(z))^((y)&(z))) #define E0(x) (RMove((x),28)^RMove((x),34)^RMove((x),39)) #define E1(x) (RMove((x),14)^RMove((x),18)^RMove((x),41)) #define G0(x) (RMove((x),1)^RMove((x),8)^((sha_uint64)(x)>>7)) #define G1(x) (RMove((x),19)^RMove((x),61)^((sha_uint64)(x)>>6)) //一组运算 static void sha512_OneTime(sha_uint64* pnResult, const unsigned char* pbData64Byte); //初始化 void sha512_Init(st_sha512* pSha512) { pSha512->strResult[0] = 0; pSha512->anResult[0] = 0x6a09e667f3bcc908; pSha512->anResult[1] = 0xbb67ae8584caa73b; pSha512->anResult[2] = 0x3c6ef372fe94f82b; pSha512->anResult[3] = 0xa54ff53a5f1d36f1; pSha512->anResult[4] = 0x510e527fade682d1; pSha512->anResult[5] = 0x9b05688c2b3e6c1f; pSha512->anResult[6] = 0x1f83d9abfb41bd6b; pSha512->anResult[7] = 0x5be0cd19137e2179; pSha512->nSizeH = 0; pSha512->nSizeL = 0; pSha512->bEndSize = 0; } //追加计算数据 void sha512_Update(st_sha512* pSha512, const void* vpBuffer, sha_uint64 nBufferSize) { const unsigned char* pbBuffer = (const unsigned char*)vpBuffer; if(nBufferSize>=(~pSha512->nSizeL)) pSha512->nSizeH++; pSha512->nSizeL += nBufferSize; if(pSha512->bEndSize) { sha_uint64 nCopySize; if(nBufferSize<(128u-pSha512->bEndSize)) nCopySize = nBufferSize; else nCopySize = 128-pSha512->bEndSize; nBufferSize -= nCopySize; { unsigned char* pb = pSha512->abEnd+pSha512->bEndSize; pSha512->bEndSize += (unsigned char)nCopySize; while(nCopySize--) *pb++ = *pbBuffer++; } if(pSha512->bEndSize==128) { sha512_OneTime(pSha512->anResult, pSha512->abEnd); pSha512->bEndSize = 0; } else return; } { sha_uint64 nGroupCount = nBufferSize>>7; while(nGroupCount--) { sha512_OneTime(pSha512->anResult, pbBuffer); pbBuffer += 128; nBufferSize -= 128; } if(nBufferSize) { unsigned char* pb=pSha512->abEnd; pSha512->bEndSize = (unsigned char)nBufferSize; while(nBufferSize--) *pb++ = *pbBuffer++; } } } //计算完结，内部将计算最后一组并输出结果 void sha512_Finalize(st_sha512* pSha512) { int i; int nLen = pSha512->bEndSize; int nFillSize; int nMod = nLen&127; //先填充个128 pSha512->abEnd[nLen++] = 128u; //填充 if(nMod<112) { nFillSize = 112-nMod-1; } else if(nMod>=112) { for(i=nLen; i<128; i++) pSha512->abEnd[i] = 0; sha512_OneTime(pSha512->anResult, pSha512->abEnd); nFillSize = 112; nLen = 0; } while(nFillSize--) pSha512->abEnd[nLen++]=0; //填入长度 { unsigned long long nL = pSha512->nSizeL; unsigned long long nH = (pSha512->nSizeH<<3)+(nL>>61); nL <<= 3; pSha512->abEnd[112] = (nH>>56)&0xff; pSha512->abEnd[113] = (nH>>48)&0xff; pSha512->abEnd[114] = (nH>>40)&0xff; pSha512->abEnd[115] = (nH>>32)&0xff; pSha512->abEnd[116] = (nH>>24)&0xff; pSha512->abEnd[117] = (nH>>16)&0xff; pSha512->abEnd[118] = (nH>>8)&0xff; pSha512->abEnd[119] = (nH>>0)&0xff; pSha512->abEnd[120] = (nL>>56)&0xff; pSha512->abEnd[121] = (nL>>48)&0xff; pSha512->abEnd[122] = (nL>>40)&0xff; pSha512->abEnd[123] = (nL>>32)&0xff; pSha512->abEnd[124] = (nL>>24)&0xff; pSha512->abEnd[125] = (nL>>16)&0xff; pSha512->abEnd[126] = (nL>>8)&0xff; pSha512->abEnd[127] = (nL>>0)&0xff; } sha512_OneTime(pSha512->anResult, pSha512->abEnd); pSha512->bEndSize = 0; //翻译 { char strC[] = "0123456789ABCDEF"; char* pc = pSha512->strResult; for(i=0; i<8; i++) { sha_uint64 nVal = pSha512->anResult[i]; *pc++ = strC[(nVal>>60)&0xf]; *pc++ = strC[(nVal>>56)&0xf]; *pc++ = strC[(nVal>>52)&0xf]; *pc++ = strC[(nVal>>48)&0xf]; *pc++ = strC[(nVal>>44)&0xf]; *pc++ = strC[(nVal>>40)&0xf]; *pc++ = strC[(nVal>>36)&0xf]; *pc++ = strC[(nVal>>32)&0xf]; *pc++ = strC[(nVal>>28)&0xf]; *pc++ = strC[(nVal>>24)&0xf]; *pc++ = strC[(nVal>>20)&0xf]; *pc++ = strC[(nVal>>16)&0xf]; *pc++ = strC[(nVal>>12)&0xf]; *pc++ = strC[(nVal>>8)&0xf]; *pc++ = strC[(nVal>>4)&0xf]; *pc++ = strC[nVal&0xf]; } *pc = 0; } } static void sha512_OneTime(sha_uint64* pnResult, const unsigned char* pbData64Byte) { sha_uint64 a=pnResult[0]; sha_uint64 b=pnResult[1]; sha_uint64 c=pnResult[2]; sha_uint64 d=pnResult[3]; sha_uint64 e=pnResult[4]; sha_uint64 f=pnResult[5]; sha_uint64 g=pnResult[6]; sha_uint64 h=pnResult[7]; int i; //初始化W sha_uint64 anW[80]; for(i=0; i<16; i++) { anW[i] = ((sha_uint64)pbData64Byte[i*8]<<56)+((sha_uint64)pbData64Byte[i*8+1]<<48)+((sha_uint64)pbData64Byte[i*8+2]<<40)+((sha_uint64)pbData64Byte[i*8+3]<<32)+ ((sha_uint64)pbData64Byte[i*8+4]<<24)+((sha_uint64)pbData64Byte[i*8+5]<<16)+((sha_uint64)pbData64Byte[i*8+6]<<8)+(sha_uint64)pbData