I've created a public/private key pair as follows:
CryptoPP::RandomPool randPool;
randPool.IncorporateEntropy((byte*)seed, strlen(seed));
CryptoPP::RSAES_OAEP_SHA_Decryptor priv(randPool, 1024);
CryptoPP::HexEncoder privKeyEnc(new
CryptoPP::StringSink(privateKeyString));
priv.DEREncode(privKeyEnc);
privKeyEnc.MessageEnd();
CryptoPP::RSAES_OAEP_SHA_Encryptor pub(priv);
CryptoPP::HexEncoder pubKeyEnc(new
CryptoPP::StringSink(publicKeyString));
pub.DEREncode(pubKeyEnc);
pubKeyEnc.MessageEnd();
When encrypting with the public key I get cipher text that is 256
characters long. If I call the "FixedCiphertextLength" method on the
private key, it gives me 128. I expected this to be 256 - the length
of the cipher text.
Is my understanding of FixedCiphertextLength incorrect or is this
something to do with my character encoding?
Thanks
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