ref: b6e966d03ba5e331dae9fae1b05a9f97f9a1e272
dir: /sys/src/libsec/port/hmactest.c/
#include "os.h"
#include <mp.h>
#include <libsec.h>
uchar key[] = "Jefe";
uchar data[] = "what do ya want for nothing?";
void
main(void)
{
int i;
uchar hash[MD5dlen];
hmac_md5(data, strlen((char*)data), key, 4, hash, nil);
for(i=0; i<MD5dlen; i++)
print("%2.2x", hash[i]);
print("\n");
print("750c783e6ab0b503eaa86e310a5db738\n");
}