//sha1.h:对字符串进行sha1加密
#ifndef _SHA1_H_
#define _SHA1_H_
typedef struct SHA1Context{
unsigned Message_Digest[5];
unsigned Length_Low;
unsigned Length_High;
unsigned char Message_Block[64];
int Message_Block_Index;
int Computed;
int Corrupted;
} SHA1Context;
void SHA1Reset(SHA1Context *);
int SHA1Result(SHA1Context *);
void SHA1Input( SHA1Context *,const char *,unsigned);
#endif
#define SHA1CircularShift(bits,word) ((((word) << (bits)) & 0xFFFFFFFF) | ((word) >> (32-(bits))))
void SHA1ProcessMessageBlock(SHA1Context *);
void SHA1PadMessage(SHA1Context *);
void SHA1Reset(SHA1Context *context){// 初始化动作
context->Length_Low = 0;
context->Length_High = 0;
context->Message_Block_Index = 0;
context->Message_Digest[0] = 0x67452301;
context->Message_Digest[1] = 0xEFCDAB89;
context->Message_Digest[2] = 0x98BADCFE;
context->Message_Digest[3] = 0x10325476;
context->Message_Digest[4] = 0xC3D2E1F0;
context->Computed = 0;
context->Corrupted = 0;
}
int SHA1Result(SHA1Context *context){// 成功返回1,失败返回0
if (context->Corrupted) {
return 0;
}
if (!context->Computed) {
SHA1PadMessage(context);
context->Computed = 1;
}
return 1;
}
void SHA1Input(SHA1Context *context,const char *message_array,unsigned length){
if (!length) return;
if (context->Computed || context->Corrupted){
context->Corrupted = 1;
return;
}
while(length-- && !context->Corrupted){
context->Message_Block[context->Message_Block_Index++] = (*message_array & 0xFF);
context->Length_Low += 8;
context->Length_Low &= 0xFFFFFFFF;
if (context->Length_Low == 0){
context->Length_High++;
context->Length_High &= 0xFFFFFFFF;
if (context->Length_High == 0) context->Corrupted = 1;
}
if (context->Message_Block_Index == 64){
SHA1ProcessMessageBlock(context);
}
message_array++;
}
}
void SHA1ProcessMessageBlock(SHA1Context *context){
const unsigned K[] = {0x5A827999, 0x6ED9EBA1, 0x8F1BBCDC, 0xCA62C1D6 };
int t;
unsigned temp;
unsigned W[80];
unsigned A, B, C, D, E;
for(t = 0; t < 16; t++) {
W[t] = ((unsigned) context->Message_Block[t * 4]) << 24;
W[t] |= ((unsigned) context->Message_Block[t * 4 + 1]) << 16;
W[t] |= ((unsigned) context->Message_Block[t * 4 + 2]) << 8;
W[t] |= ((unsigned) context->Message_Block[t * 4 + 3]);
}
for(t = 16; t < 80; t++) W[t] = SHA1CircularShift(1,W[t-3] ^ W[t-8] ^ W[t-14] ^ W[t-16]);
A = context->Message_Digest[0];
B = context->Message_Digest[1];
C = context->Message_Digest[2];
D = context->Message_Digest[3];
E = context->Message_Digest[4];
for(t = 0; t < 20; t++) {
temp = SHA1CircularShift(5,A) + ((B & C) | ((~B) & D)) + E + W[t] + K[0];
temp &= 0xFFFFFFFF;
E = D;
D = C;
C = SHA1CircularShift(30,B);
B = A;
A = temp;
}
for(t = 20; t < 40; t++) {
temp = SHA1CircularShift(5,A) + (B ^ C ^ D) + E + W[t] + K[1];
temp &= 0xFFFFFFFF;
E = D;
D = C;
C = SHA1CircularShift(30,B);
B = A;
A = temp;
}
for(t = 40; t < 60; t++) {
temp = SHA1CircularShift(5,A) + ((B & C) | (B & D) | (C & D)) + E + W[t] + K[2];
temp &= 0xFFFFFFFF;
E = D;
D = C;
C = SHA1CircularShift(30,B);
B = A;
A = temp;
}
for(t = 60; t < 80; t++) {
temp = SHA1CircularShift(5,A) + (B ^ C ^ D) + E + W[t] + K[3];
temp &= 0xFFFFFFFF;
E = D;
D = C;
C = SHA1CircularShift(30,B);
B = A;
A = temp;
}
context->Message_Digest[0] = (context->Message_Digest[0] + A) & 0xFFFFFFFF;
context->Message_Digest[1] = (context->Message_Digest[1] + B) & 0xFFFFFFFF;
context->Message_Digest[2] = (context->Message_Digest[2] + C) & 0xFFFFFFFF;
context->Message_Digest[3] = (context->Message_Digest[3] + D) & 0xFFFFFFFF;
context->Message_Digest[4] = (context->Message_Digest[4] + E) & 0xFFFFFFFF;
context->Message_Block_Index = 0;
}
void SHA1PadMessage(SHA1Context *context){
if (context->Message_Block_Index > 55) {
context->Message_Block[context->Message_Block_Index++] = 0x80;
while(context->Message_Block_Index < 64) context->Message_Block[context->Message_Block_Index++] = 0;
SHA1ProcessMessageBlock(context);
while(context->Message_Block_Index < 56) context->Message_Block[context->Message_Block_Index++] = 0;
} else {
context->Message_Block[context->Message_Block_Index++] = 0x80;
while(context->Message_Block_Index < 56) context->Message_Block[context->Message_Block_Index++] = 0;
}
context->Message_Block[56] = (context->Length_High >> 24 ) & 0xFF;
context->Message_Block[57] = (context->Length_High >> 16 ) & 0xFF;
context->Message_Block[58] = (context->Length_High >> 8 ) & 0xFF;
context->Message_Block[59] = (context->Length_High) & 0xFF;
context->Message_Block[60] = (context->Length_Low >> 24 ) & 0xFF;
context->Message_Block[61] = (context->Length_Low >> 16 ) & 0xFF;
context->Message_Block[62] = (context->Length_Low >> 8 ) & 0xFF;
context->Message_Block[63] = (context->Length_Low) & 0xFF;
SHA1ProcessMessageBlock(context);
}
int sha1_hash(const char *source, char *lrvar){// Main
SHA1Context sha;
char buf[128];
SHA1Reset(&sha);
SHA1Input(&sha, source, strlen(source));
if (!SHA1Result(&sha)){
lr_error_message("SHA1 ERROR: Could not compute message digest");
return -1;
} else {
memset(buf,0,sizeof(buf));
sprintf(buf, "%08X%08X%08X%08X%08X", sha.Message_Digest[0],sha.Message_Digest[1],
sha.Message_Digest[2],sha.Message_Digest[3],sha.Message_Digest[4]);
lr_save_string(buf, lrvar);
return strlen(buf);
}
}
将上述源码保存为sha1.h,在LoadRunner调用方法如下:
#include "sha1.h"
Action()
{
sha1_hash("你好,higkoo!","SHA1");
lr_output_message("SHA1加密结果:\nNotify:\t%s",lr_eval_string("{SHA1}") );
return0;
}
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