如何在C中打印SHA512哈希 [英] How to print SHA512 hash in C

问题描述

我有以下代码来计算sha512哈希:

I have the following code to calculate the sha512 hash:

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

int main() {
    char *password = "test";
    char hash[SHA512_DIGEST_LENGTH];

    SHA512(password, strlen(password), hash);

    return 0;
}

如何以十六进制打印出计算得出的哈希值?

How to print out the calculated hash in hex?

谢谢

推荐答案

将hash更改为unsigned char hash[SHA512_DIGEST_LENGTH].然后:

for(int i = 0; i < SHA512_DIGEST_LENGTH; ++i) {
   printf("%02x", hash[i]);
}

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