hash 算法 (转)
哈希算法SHA1,SHA256,SHA384,SHA512
http://blog.sina.com.cn/s/blog_4fcd1ea301013sl6.html
sha256
#include
#include
#include
//#define DEBUG 1
#define RoundNum 64
#define BlockWidthNum 16
#define ConstNum 8
unsigned int H[ConstNum] = {0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a, 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19};
unsigned int K[RoundNum] = {
0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2};
unsigned int M[BlockWidthNum];
unsigned int W[RoundNum];
unsigned char LastString[BlockWidthNum*4*2];
FILE * fp;
fpos_t pos; //文件长度
int flag ;
int LastRoundCount;
int GetMessage(unsigned long long rLen);
void SetW();
void Round();
unsigned int ShiftNum3(unsigned int input, int OpOne, int OpTwo, int Opthree);
int main(int argc, char *argv[])
{
// fp = fopen(argv[1],"rb");
if(!(fp = fopen(argv[1],"rb")))
{
exit(1);
}
clock_t start, finish;
start = clock();
fseek(fp, 0, SEEK_END);
fgetpos(fp, &pos);
unsigned long long realLen = pos;
memset(LastString,0x00,strlen(LastString)*sizeof(unsigned char));
int LastOut = realLen%(BlockWidthNum*4);
fseek(fp,-1*LastOut,SEEK_END);
int i;
fread(LastString,LastOut,1,fp);
LastString[LastOut] = 0x80;
LastRoundCount = 1;
flag = 0;
if( LastOut <= BlockWidthNum*4-1-8)
{
flag = 1;
// memcpy(LastString+512/8-8,©Len,8);
for( i = 8; i >= 1; i--)
LastString[512/8 - i] = (char)((realLen<<3)>>((i-1)*8));
}
else
{
flag = 2;
// memcpy(LastString+512/8*2-8,©Len,8);
for( i = 1; i <= 8; i++)
LastString[512/8*2 - i] = (char)((realLen<<3)>>((i-1)*8));
}
realLen -= LastOut;
fseek(fp,0,SEEK_SET);
while(GetMessage(realLen))
{
SetW();
Round();
}
printf("SHA256: ");
for(i = 0 ; i < ConstNum; i++)
printf("x",H[i]);
printf("\n");
finish = clock();
double duration = (double)(finish - start) / CLOCKS_PER_SEC;
printf("Cal time: %f seconds\n",duration);
fclose(fp);
return 0;
}
int GetMessage(unsigned long long rLen)
{
fgetpos(fp, &pos);
unsigned char temp[4];
if(pos + 16*4 <= rLen )
{
fread(M,4,16,fp);
return 1;
}
if(LastRoundCount <= flag)
{
memcpy(M,(LastString+512/8*(LastRoundCount - 1)),64);//最后的一段或是两段
LastRoundCount++;
return 1;
}
else
return 0; //false;
}
void SetW()
{
int index = 0;
// memcpy(W,M,16*4);
for(index = 0; index <= 15;index++)
{
W[index] = (M[index]>>24)|(M[index]<<24)|((M[index]&0x00ff0000)>>8)|((M[index]&0x0000ff00)<<8);
}
unsigned int s0 = 0, s1 = 0;
for(index = 16; index < RoundNum; index++)
{
s0 = 0;
s1 = 0;
s0 = ShiftNum3(W[index-2],17,19,-10);
s1 = ShiftNum3(W[index-15],7,18,-3);
W[index] = (s0 + W[index-7] + s1 + W[index-16]);
// printf(" x ", W[index]);
}
}
unsigned int ShiftNum3(unsigned int input, int OpOne, int OpTwo, int Opthree)
{
unsigned int Ans = 0 ;
Ans ^= ((input >> OpOne)|(input<<(32-OpOne)));
Ans ^= ((input >> OpTwo)|(input<<(32-OpTwo)));
if(Opthree > 0)
Ans ^= ((input >> Opthree)|(input<<(32-Opthree)));
else
{
// printf("%d",Opthree);
Opthree = 0 - Opthree;
// printf("%d",Opthree);
Ans ^= (input >> Opthree);
}
return Ans;
}
void Round()
{
unsigned int A,B,C,D,E,F,G,I;
A = H[0];
B = H[1];
C = H[2];
D = H[3];
E = H[4];
F = H[5];
G = H[6];
I = H[7];
int index = 0;
unsigned int t1 = 0, t2= 0, s0 = 0, s1 = 0;
for(index = 0;index < RoundNum ;index++)
{
s0 = 0;
s1 = 0;
s0 = ShiftNum3(A, 2, 13, 22);
t2 = s0 + ((A&B)^(A&C)^(B&C));
s1 = ShiftNum3(E, 6, 11, 25);
t1 = I + s1 + ((E&F)^((~E)&G)) + K[index] + W[index];
I = G;
G = F;
F = E;
E = D + t1;
D = C;
C = B;
B = A;
A = t1 + t2;
#ifdef DEBUG
printf("ABCDE %x %x %x %x %x \n",A,B,C,D,E);
system("pause");
#endif
}
H[0]+=A;
H[1]+=B;
H[2]+=C;
H[3]+=D;
H[4]+=E;
H[5]+=F;
H[6]+=G;
H[7]+=I;
}
sha384
sha512
#include
#include
#include
//#define DEBUG 1
#define RoundNum 80
#define BlockWidthNum 16
#define ConstNum 8
unsigned long long H[ConstNum] = {
0x6a09e667f3bcc908, 0xbb67ae8584caa73b, 0x3c6ef372fe94f82b, 0xa54ff53a5f1d36f1,
0x510e527fade682d1, 0x9b05688c2b3e6c1f, 0x1f83d9abfb41bd6b, 0x5be0cd19137e2179};
unsigned long long K[RoundNum] = {
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};
unsigned long long M[BlockWidthNum];
unsigned long long W[RoundNum];
unsigned char LastString[BlockWidthNum*8*2];
FILE * fp;
fpos_t pos; //文件长度
int flag ;
int LastRoundCount;
int GetMessage(unsigned long long rLen);
void SetW();
void Round();
unsigned long long ShiftNum3(unsigned long long input, int OpOne, int OpTwo, int Opthree);
int main(int argc, char *argv[])
{
// fp = fopen(argv[1],"rb");
if(!(fp = fopen(argv[1],"rb")))
{
exit(1);
}
clock_t start, finish;
start = clock();
fseek(fp, 0, SEEK_END);
fgetpos(fp, &pos);
unsigned long long realLen = pos;//暂时不支持hash超大文件
memset(LastString,0x00,strlen(LastString)*sizeof(unsigned char));
int LastOut = realLen%(BlockWidthNum*8);
fseek(fp,-1*LastOut,SEEK_END);
int i;
fread(LastString,LastOut,1,fp);
LastString[LastOut] = 0x80;
LastRoundCount = 1;
flag = 0;
//暂时不支持hash大小超过2^64的文件,
//sha512更长了,这样更加安全了,但是也不一定要hash这种超大的文件
if( LastOut <= BlockWidthNum*8-1-16)
{
flag = 1;
// memcpy(LastString+512/8-8,©Len,8);
for( i = 8; i >= 1; i--)
LastString[BlockWidthNum*8 - i] = (char)((realLen<<3)>>((i-1)*8));
}
else
{
flag = 2;
// memcpy(LastString+512/8*2-8,©Len,8);
for( i = 1; i <= 8; i++)
LastString[BlockWidthNum*8*2 - i] = (char)((realLen<<3)>>((i-1)*8));
}
realLen -= LastOut;
fseek(fp,0,SEEK_SET);
while(GetMessage(realLen))
{
SetW();
Round();
}
printf("SHA512: ");
for(i = 0 ; i < ConstNum; i++)
printf("6llx",H[i]);
printf("\n");
finish = clock();
double duration = (double)(finish - start) / CLOCKS_PER_SEC;
printf("Cal time: %f seconds\n",duration);
fclose(fp);
return 0;
}
int GetMessage(unsigned long long rLen)
{
fgetpos(fp, &pos);
if(pos + 16 * 8 <= rLen )
{
fread(M,8,16,fp);
return 1;
}
if(LastRoundCount <= flag)
{
memcpy(M,(LastString+BlockWidthNum*8*(LastRoundCount - 1)),BlockWidthNum*8);//最后的一段或是两段
LastRoundCount++;
return 1;
}
else
return 0; //false;
}
void SetW()
{
int index = 0;
// memcpy(W,M,16*4);
for(index = 0; index <= 15;index++)
{
W[index] = (M[index]>>56)|(M[index]<<56)|((M[index]&0x00ff000000000000)>>40)|((M[index]&0x000000000000ff00)<<40)
|((M[index]&0x0000ff0000000000)>>24)|((M[index]&0x0000000000ff0000)<<24)|((M[index]&0x000000ff00000000)>>8)|((M[index]&0x00000000ff000000)<<8);
// printf("6llx ",W[index]);
}
unsigned long long s0 = 0, s1 = 0;
for(index = 16; index < RoundNum; index++)
{
s0 = 0;
s1 = 0;
s0 = ShiftNum3(W[index-2],19,61,-6);
s1 = ShiftNum3(W[index-15],1,8,-7);
W[index] = (s0 + W[index-7] + s1 + W[index-16]);
// printf("6llx ",W[index]);
}
}
unsigned long long ShiftNum3(unsigned long long input, int OpOne, int OpTwo, int Opthree)
{
unsigned long long Ans = 0 ;
Ans ^= ((input >> OpOne)|(input<<(64-OpOne)));
Ans ^= ((input >> OpTwo)|(input<<(64-OpTwo)));
if(Opthree > 0)
Ans ^= ((input >> Opthree)|(input<<(64-Opthree)));
else
{
// printf("%d",Opthree);
Opthree = 0 - Opthree;
// printf("%d",Opthree);
Ans ^= (input >> Opthree);
}
return Ans;
}
void Round()
{
unsigned long long A,B,C,D,E,F,G,I;
A = H[0];
B = H[1];
C = H[2];
D = H[3];
E = H[4];
F = H[5];
G = H[6];
I = H[7];
int index = 0;
unsigned long long t1 = 0, t2= 0, s0 = 0, s1 = 0;
for(index = 0;index < RoundNum ;index++)
{
s0 = 0;
s1 = 0;
s0 = ShiftNum3(A, 28, 34, 39);
t2 = s0 + ((A&B)^(A&C)^(B&C));
s1 = ShiftNum3(E, 14, 18, 41);
t1 = I + s1 + ((E&F)^((~E)&G)) + K[index] + W[index];
I = G;
G = F;
F = E;
E = D + t1;
D = C;
C = B;
B = A;
A = t1 + t2;
#ifdef DEBUG
printf("ABCDE %x %x %x %x %x \n",A,B,C,D,E);
system("pause");
#endif
}
H[0]+=A;
H[1]+=B;
H[2]+=C;
H[3]+=D;
H[4]+=E;
H[5]+=F;
H[6]+=G;
H[7]+=I;
}
#include
#include
#include
//#define DEBUG 1
#define RoundNum 80
#define BlockWidthNum 16
#define ConstNum 8
unsigned long long H[ConstNum] = {
0xcbbb9d5dc1059ed8, 0x629a292a367cd507, 0x9159015a3070dd17, 0x152fecd8f70e5939,
0x67332667ffc00b31, 0x8eb44a8768581511, 0xdb0c2e0d64f98fa7, 0x47b5481dbefa4fa4};
unsigned long long K[RoundNum] = {
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};
unsigned long long M[BlockWidthNum];
unsigned long long W[RoundNum];
unsigned char LastString[BlockWidthNum*8*2];
FILE * fp;
fpos_t pos; //文件长度
int flag ;
int LastRoundCount;
int GetMessage(unsigned long long rLen);
void SetW();
void Round();
unsigned long long ShiftNum3(unsigned long long input, int OpOne, int OpTwo, int Opthree);
int main(int argc, char *argv[])
{
// fp = fopen(argv[1],"rb");
if(!(fp = fopen(argv[1],"rb")))
{
exit(1);
}
clock_t start, finish;
start = clock();
fseek(fp, 0, SEEK_END);
fgetpos(fp, &pos);
unsigned long long realLen = pos;//暂时不支持hash超大文件
memset(LastString,0x00,strlen(LastString)*sizeof(unsigned char));
int LastOut = realLen%(BlockWidthNum*8);
fseek(fp,-1*LastOut,SEEK_END);
int i;
fread(LastString,LastOut,1,fp);
LastString[LastOut] = 0x80;
LastRoundCount = 1;
flag = 0;
//暂时不支持hash大小超过2^64的文件,
//sha512更长了,这样更加安全了,但是也不一定要hash这种超大的文件
if( LastOut <= BlockWidthNum*8-1-16)
{
flag = 1;
// memcpy(LastString+512/8-8,©Len,8);
for( i = 8; i >= 1; i--)
LastString[BlockWidthNum*8 - i] = (char)((realLen<<3)>>((i-1)*8));
}
else
{
flag = 2;
// memcpy(LastString+512/8*2-8,©Len,8);
for( i = 1; i <= 8; i++)
LastString[BlockWidthNum*8*2 - i] = (char)((realLen<<3)>>((i-1)*8));
}
realLen -= LastOut;
fseek(fp,0,SEEK_SET);
while(GetMessage(realLen))
{
SetW();
Round();
}
printf("SHA384: ");
for(i = 0 ; i < 6; i++)
printf("6llx",H[i]);
printf("\n");
finish = clock();
double duration = (double)(finish - start) / CLOCKS_PER_SEC;
printf("Cal time: %f seconds\n",duration);
fclose(fp);
return 0;
}
int GetMessage(unsigned long long rLen)
{
fgetpos(fp, &pos);
if(pos + 16 * 8 <= rLen )
{
fread(M,8,16,fp);
return 1;
}
if(LastRoundCount <= flag)
{
memcpy(M,(LastString+BlockWidthNum*8*(LastRoundCount - 1)),BlockWidthNum*8);//最后的一段或是两段
LastRoundCount++;
return 1;
}
else
return 0; //false;
}
void SetW()
{
int index = 0;
// memcpy(W,M,16*4);
for(index = 0; index <= 15;index++)
{
W[index] = (M[index]>>56)|(M[index]<<56)|((M[index]&0x00ff000000000000)>>40)|((M[index]&0x000000000000ff00)<<40)
|((M[index]&0x0000ff0000000000)>>24)|((M[index]&0x0000000000ff0000)<<24)|((M[index]&0x000000ff00000000)>>8)|((M[index]&0x00000000ff000000)<<8);
// printf("6llx ",W[index]);
}
unsigned long long s0 = 0, s1 = 0;
for(index = 16; index < RoundNum; index++)
{
s0 = 0;
s1 = 0;
s0 = ShiftNum3(W[index-2],19,61,-6);
s1 = ShiftNum3(W[index-15],1,8,-7);
W[index] = (s0 + W[index-7] + s1 + W[index-16]);
// printf("6llx ",W[index]);
}
}
unsigned long long ShiftNum3(unsigned long long input, int OpOne, int OpTwo, int Opthree)
{
unsigned long long Ans = 0 ;
Ans ^= ((input >> OpOne)|(input<<(64-OpOne)));
Ans ^= ((input >> OpTwo)|(input<<(64-OpTwo)));
if(Opthree > 0)
Ans ^= ((input >> Opthree)|(input<<(64-Opthree)));
else
{
// printf("%d",Opthree);
Opthree = 0 - Opthree;
// printf("%d",Opthree);
Ans ^= (input >> Opthree);
}
return Ans;
}
void Round()
{
unsigned long long A,B,C,D,E,F,G,I;
A = H[0];
B = H[1];
C = H[2];
D = H[3];
E = H[4];
F = H[5];
G = H[6];
I = H[7];
int index = 0;
unsigned long long t1 = 0, t2= 0, s0 = 0, s1 = 0;
for(index = 0;index < RoundNum ;index++)
{
s0 = 0;
s1 = 0;
s0 = ShiftNum3(A, 28, 34, 39);
t2 = s0 + ((A&B)^(A&C)^(B&C));
s1 = ShiftNum3(E, 14, 18, 41);
t1 = I + s1 + ((E&F)^((~E)&G)) + K[index] + W[index];
I = G;
G = F;
F = E;
E = D + t1;
D = C;
C = B;
B = A;
A = t1 + t2;
#ifdef DEBUG
printf("ABCDE %x %x %x %x %x \n",A,B,C,D,E);
system("pause");
#endif
}
H[0]+=A;
H[1]+=B;
H[2]+=C;
H[3]+=D;
H[4]+=E;
H[5]+=F;
H[6]+=G;
H[7]+=I;
}
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