Re: Is this not supposed to work in OpenSSL 3.0.x+?

On 5/11/2025 17:55, Herbert wrote:
>
>
> On 11/05/2025 20:55, Karl Denninger wrote:
>> [karl@NewFS ~/tmp]$ cat test.c
>> #include <stdio.h>
>> #include <string.h>
>> #include <openssl/evp.h>
>> #include <openssl/hmac.h>
>>
>> int main() {
>>      const char *key = "secretkey";
>>      const char *msg = "This is the message";
>>      unsigned char hmac_result[EVP_MAX_MD_SIZE];
>>      unsigned int hmac_len;
>>
>>      HMAC(EVP_sha256(), key, strlen(key), (unsigned char*)msg, 
>> strlen(msg), hmac_result, &hmac_len);
>>
>>      printf("HMAC-SHA256: ");
>>      for (int i = 0; i < hmac_len; i++) {
>>          printf("%02x", hmac_result[i]);
>>      }
>>      printf("\n");
>>
>>      return 0;
>> }
>>
>> [karl@NewFS ~/tmp]$ cc -o test test.c -lssl
>
> The following seems to work:
>
> $ cc -lcrypto -o test test.c
>
Ah so its not in the -lssl library, its in -lcrypto.  Thank you.

-- 
Karl Denninger
[email protected]
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