load a public key always show this error: CryptoPP::BERDecodeErr: BER decode error

[陈剑南]

std::string PublicKeyString("MHYwTwYGKw4HAgEBMEUCIQDebUvQDd9UPMmD27BJovZSIgWfexL0SWkfJQPMLsJvMwIgDy/kEthwO6Q+L8XHnzumnEKs+txH8QkQD+M/8u82ql0DIwACIAY6rfW+BTcRZ9QAJovgoB8DgNLJ8ocqOeF4nEBB0DHH");

    CryptoPP::ByteQueue queue;

    CryptoPP::Base64Decoder decoder(new CryptoPP::Redirector(queue));

    decoder.Put((const Byte *) PublicKeyString.data(), PublicKeyString.size());

    decoder.MessageEnd();

    CryptoPP::ElGamal::Encryptor encryptor;

    encryptor.AccessKey().Load(queue);

[Jeffrey Walton]

Where did the ElGamal key come from? Crypto++ or elsewhere?

If Crypto++, what version created it and what version is trying to load it?

Also see https://github.com/weidai11/cryptopp/issues/567

Jeff

[陈剑南]

it's back end generate private key and public key

在 2019年8月24日星期六 UTC+8下午2:45:16，Jeffrey Walton写道：

[Jeffrey Walton]

On Sat, Aug 24, 2019 at 4:34 AM 陈剑南 <cjn...@gmail.com> wrote:
>
> it's back end generate private key and public key

What backend? What is the program? What is the library?