public static KexInitData createInstanceFromPacket(SshPacket2 packet) {
KexInitData out = new KexInitData();
out.cookie = packet.getBytes(16);
out.kexAlgorithms = packet.getStringList();
out.serverHostKeyAlgorithms = packet.getStringList();
out.clientToServerCryptoAlgorithms = packet.getStringList();
out.serverToClientCryptoAlgorithms = packet.getStringList();
out.MACClientToServer = packet.getStringList();
out.MACServerToClient = packet.getStringList();
out.compressionClientToServer = packet.getStringList();
out.compressionServerToClient = packet.getStringList();
out.languagesClientToServer = packet.getStringList();
out.languagesServerToClient = packet.getStringList();
out.firstKEXPacketFollowing = packet.getByte() == 1;
out.reserved = packet.getInt32();
return out;
}
public static KexInitData createInstance() {
// @todo - we can support the full range of allowed hashes
// now that we've switched over to BB crypto.
// Note that in all cases,we must list our preferred choice *first*
KexInitData out = new KexInitData();
out.cookie = RandomSource.getBytes(16);
out.kexAlgorithms = SUPPORTED_KEX_ALGORITHMS;
out.serverHostKeyAlgorithms = SUPPORTED_HOST_KEY_ALGORITHMS;
out.clientToServerCryptoAlgorithms = CipherManager.getInstance().getSupportedCiphers();
out.serverToClientCryptoAlgorithms = out.clientToServerCryptoAlgorithms;
out.MACClientToServer = SUPPORTED_HMAC_ALGORITHMS;
out.MACServerToClient = SUPPORTED_HMAC_ALGORITHMS;
out.compressionClientToServer = SUPPORTED_COMPRESSION;
out.compressionServerToClient = SUPPORTED_COMPRESSION;
out.languagesClientToServer = new String[] {};
out.languagesServerToClient = new String[] {};
// @todo - we must support server sending 'first KEX' TRUE, AND guessing correctly!
out.firstKEXPacketFollowing = false;
out.reserved = 0;
return out;
}