bool TestHKDF(KeyDerivationFunction &kdf, const HKDF_TestTuple *testSet, unsigned int testSetSize)
{
bool pass = true;
for (unsigned int i=0; i<testSetSize; i++)
{
const HKDF_TestTuple &tuple = testSet[i];
string secret, context, salt, derivedKey;
StringSource(tuple.hexSecret, true, new HexDecoder(new StringSink(secret)));
StringSource(tuple.hexSalt ? tuple.hexSalt : "", true, new HexDecoder(new StringSink(salt)));
StringSource(tuple.hexContext ? tuple.hexContext : "", true, new HexDecoder(new StringSink(context)));
StringSource(tuple.hexDerivedKey, true, new HexDecoder(new StringSink(derivedKey)));
SecByteBlock derived(derivedKey.size());
unsigned int ret = kdf.DeriveKey(derived, derived.size(),
reinterpret_cast<const unsigned char*>(secret.data()), secret.size(),
reinterpret_cast<const unsigned char*>(salt.data()), salt.size(),
reinterpret_cast<const unsigned char*>(context.data()), context.size());
pass = pass && (ret == tuple.len);
bool fail = !VerifyBufsEqual(derived, reinterpret_cast<const unsigned char*>(derivedKey.data()), derived.size());
pass = pass && !fail;
HexEncoder enc(new FileSink(cout));
cout << (fail ? "FAILED " : "passed ");
cout << " " << tuple.hexSecret << " " << (tuple.hexSalt ? tuple.hexSalt : "<NO SALT>");
cout << " " << (tuple.hexContext ? tuple.hexContext : "<NO CTX>") << " ";
enc.Put(derived, derived.size());
cout << endl;
}
return pass;
}
bool TestHKDF(KeyDerivationFunction &kdf, const HKDF_TestTuple *testSet, unsigned int testSetSize)
{
bool pass = true;
for (unsigned int i=0; i<testSetSize; i++)
{
const HKDF_TestTuple &tuple = testSet[i];
std::string secret, salt, info, expected;
StringSource(tuple.hexSecret, true, new HexDecoder(new StringSink(secret)));
StringSource(tuple.hexSalt ? tuple.hexSalt : "", true, new HexDecoder(new StringSink(salt)));
StringSource(tuple.hexInfo ? tuple.hexInfo : "", true, new HexDecoder(new StringSink(info)));
StringSource(tuple.hexExpected, true, new HexDecoder(new StringSink(expected)));
SecByteBlock derived(expected.size());
unsigned int ret = kdf.DeriveKey(derived, derived.size(),
reinterpret_cast<const unsigned char*>(secret.data()), secret.size(),
(tuple.hexSalt ? reinterpret_cast<const unsigned char*>(salt.data()) : NULL), salt.size(),
(tuple.hexInfo ? reinterpret_cast<const unsigned char*>(info.data()) : NULL), info.size());
bool fail = !VerifyBufsEqual(derived, reinterpret_cast<const unsigned char*>(expected.data()), derived.size());
pass = pass && (ret == tuple.len) && !fail;
HexEncoder enc(new FileSink(std::cout));
std::cout << (fail ? "FAILED " : "passed ");
std::cout << " " << tuple.hexSecret << " ";
std::cout << (tuple.hexSalt ? (strlen(tuple.hexSalt) ? tuple.hexSalt : "<0-LEN SALT>") : "<NO SALT>");
std::cout << " ";
std::cout << (tuple.hexInfo ? (strlen(tuple.hexInfo) ? tuple.hexInfo : "<0-LEN INFO>") : "<NO INFO>");
std::cout << " ";
enc.Put(derived, derived.size());
std::cout << std::endl;
}
return pass;
}
