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more unused

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This commit is contained in:
Glenn Maynard
2005-01-14 03:05:41 +00:00
parent 0d3d5efb92
commit c554712d08
14 changed files with 1 additions and 805 deletions
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stepmania/src/crypto51/pubkey.cpp
-20
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@@ -99,24 +99,4 @@ DecodingResult TF_VerifierBase::RecoverAndRestart(byte *recoveredMessage, PK_Mes
return result;
}
DecodingResult TF_DecryptorBase::FixedLengthDecrypt(RandomNumberGenerator &rng, const byte *cipherText, byte *plainText) const
{
SecByteBlock paddedBlock(PaddedBlockByteLength());
Integer x = GetTrapdoorFunctionInterface().CalculateInverse(rng, Integer(cipherText, FixedCiphertextLength()));
if (x.ByteCount() > paddedBlock.size())
x = Integer::Zero(); // don't return false here to prevent timing attack
x.Encode(paddedBlock, paddedBlock.size());
return GetMessageEncodingInterface().Unpad(paddedBlock, PaddedBlockBitLength(), plainText);
}
void TF_EncryptorBase::Encrypt(RandomNumberGenerator &rng, const byte *plainText, unsigned int plainTextLength, byte *cipherText) const
{
if (plainTextLength > FixedMaxPlaintextLength())
throw InvalidArgument(AlgorithmName() + ": message too long for this public key");
SecByteBlock paddedBlock(PaddedBlockByteLength());
GetMessageEncodingInterface().Pad(rng, plainText, plainTextLength, paddedBlock, PaddedBlockBitLength());
GetTrapdoorFunctionInterface().ApplyRandomizedFunction(rng, Integer(paddedBlock, paddedBlock.size())).Encode(cipherText, FixedCiphertextLength());
}
NAMESPACE_END