/**
* @param username
* @param algorithm
* @param encoded
* @param service
* @param sessionId
* @param signature
* @return
* @throws IOException
*/
public boolean verifyKeySignature(
String username,
String algorithm,
byte[] encoded,
String service,
byte[] sessionId,
byte[] signature)
throws IOException {
try {
SshPublicKey key = getAuthorizedKey(username, algorithm, encoded);
ByteArrayWriter data = new ByteArrayWriter();
data.writeBinaryString(sessionId);
data.write(SshMsgUserAuthRequest.SSH_MSG_USERAUTH_REQUEST);
data.writeString(username);
data.writeString(service);
data.writeString("publickey");
data.write(1);
data.writeString(key.getAlgorithmName());
data.writeBinaryString(key.getEncoded());
if (key.verifySignature(signature, data.toByteArray())) {
return true;
}
} catch (IOException ex) {
}
return false;
}
