serval-dna/nacl/nacl-20110221/crypto_onetimeauth/wrapper-verify.cpp

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#include <string>
using std::string;
#include "crypto_onetimeauth.h"
void crypto_onetimeauth_verify(const string &a,const string &m,const string &k)
{
if (k.size() != crypto_onetimeauth_KEYBYTES) throw "incorrect key length";
if (a.size() != crypto_onetimeauth_BYTES) throw "incorrect authenticator length";
if (crypto_onetimeauth_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";
}