sha256C代码例子

 

a.c

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

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


    return 0;  
}

 

Makefile

gcc -o a.out  a.c -lcrypto