[secret]
        )
        new FileOutputStream(secring).withCloseable {
            ring.encode(it)
        }
        def publicKeys = generator.generatePublicKeyRing().publicKeys.collect { it }
        PGPPublicKeyRing pub = new PGPPublicKeyRing(publicKeys)
        PGPPublicKeyRingCollection pubcol = new BcPGPPublicKeyRingCollection(
            [pub]
        )