/**
* Encrypts the text in <em>plain</em> with the public key of each recipient. The result is
* returned as GnuPGData.
*
* @param recipients array of the keys to encrypt to
* @param plain the text to be encrypted
* @return GnuPGData the encrypted data
* @see com.freiheit.gnupg.GnuPGData
* @see com.freiheit.gnupg.GnuPGKey
*/
public GnuPGData encrypt(GnuPGKey[] recipients, String plain) throws GnuPGException {
if (hasNoRecipients(recipients) || plain == null || plain.equals(""))
throw new GnuPGException("Encryption arguments not complete.");
final GnuPGData plainData = createDataObject(plain);
GnuPGData cipherData = createDataObject();
gpgmeOpEncrypt(
this.getInternalRepresentation(),
getInternalRepresentationFromRecipients(recipients),
plainData.getInternalRepresentation(),
cipherData.getInternalRepresentation());
plainData.destroy();
return cipherData;
}
/**
* Encrypts the data from <em>plain</em> with the public key of each recipient. The result is
* stored in <em>cipher</em>.
*
* @param recipients Array with the public keys of all recipients
* @param plain text, that should be encrypted
* @param cipher text, the encrypted plain text after method call
* @see com.freiheit.gnupg.GnuPGData
* @see com.freiheit.gnupg.GnuPGKey
*/
public void encrypt(GnuPGKey[] recipients, GnuPGData plain, GnuPGData cipher)
throws GnuPGException {
if (hasNoRecipients(recipients) || plain == null || cipher == null)
throw new GnuPGException("Encryption arguments not complete.");
// note that these are pointers to addresses in the javagnupg shared lib
long context = this.getInternalRepresentation();
if (gpgmeGetSignersLength(context) == 0)
gpgmeOpEncrypt(
context,
getInternalRepresentationFromRecipients(recipients),
plain.getInternalRepresentation(),
cipher.getInternalRepresentation());
else
gpgmeOpEncryptSign(
context,
getInternalRepresentationFromRecipients(recipients),
plain.getInternalRepresentation(),
cipher.getInternalRepresentation());
}