SignStream Method
Signs a stream.
Syntax
public void signStream(java.io.InputStream sourceStream, java.io.OutputStream destStream, boolean detached);
Remarks
Use this method to sign a stream and get the signed message in another stream.
Use SigningKeys to provide the signing keys.
Please note that you might need to provide a passphrase to decrypt your signing key. This can be done via KeyPassphraseNeeded event, or by assigning the passphrase to the key object's Passphrase property.