sha256C代码例子

a.c

#include <stdio.h>
#include <string.h>
#include <openssl/sha.h>

 1 int main(int argc, char *argv[])
 2 {
 3     char data[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};  
 4     char hash_calc[32] = {0};
 5     SHA256_CTX c;
 6     SHA256_Init(&c);
 7     SHA256_Update(&c, (void *)data, 10);
 8     SHA256_Final(hash_calc, &c);
 9 
10 
11     return 0;  
12 }

1 Makefile
2 
3 gcc -o a.out  a.c -lcrypto