toxcore/nacl/crypto_auth/wrapper-verify.cpp
2013-07-02 09:53:34 -04:00

15 lines
495 B
C++

#include <string>
using std::string;
#include "crypto_auth.h"
void crypto_auth_verify(const string &a,const string &m,const string &k)
{
if (k.size() != crypto_auth_KEYBYTES) throw "incorrect key length";
if (a.size() != crypto_auth_BYTES) throw "incorrect authenticator length";
if (crypto_auth_verify(
(const unsigned char *) a.c_str(),
(const unsigned char *) m.c_str(),m.size(),
(const unsigned char *) k.c_str()) == 0) return;
throw "invalid authenticator";
}