external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_auth/hmacsha512/cp/verify_hmacsha512.c


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#include "api.h"
#include "crypto_verify_64.h"
#include "utils.h"

int crypto_auth_verify(const unsigned char *h, const unsigned char *in,
                       unsigned long long inlen, const unsigned char *k)
{
  unsigned char correct[64];
  crypto_auth(correct,in,inlen,k);
  return crypto_verify_64(h,correct) | (-(h - correct == 0)) |
         sodium_memcmp(correct,h,64);
}