SM3算法实例代码

SM3算法实例如果开发者对于本文件有需要的可以参考。
#include
#include
#include "sm3.h"

int main( int argc, char *argv[] )
{
unsigned char *input = "abc";
int ilen = 3;
unsigned char output[32];
int i;
sm3_context ctx;

printf("Message:\n");
printf("%s\n",input);

sm3(input, ilen, output);
printf("Hash:\n ");
for(i=0; i<32; i )
{
printf("%02x",output[i]);
if (((i 1) % 4 ) == 0) printf(" ");
}
printf("\n");

printf("Message:\n");
for(i=0; i < 16; i )
printf("abcd");
printf("\n");

sm3_starts( &ctx );
for(i=0; i < 16; i )
sm3_update( &ctx, "abcd", 4 );
sm3_finish( &ctx, output );
memset( &ctx, 0, sizeof( sm3_context ) );

printf("Hash:\n ");
for(i=0; i<32; i )
{
printf("%02x",output[i]);
if (((i 1) % 4 ) == 0) printf(" ");
}
printf("\n");
//getch(); //VS2008
}