}

    @Override
    public int compareTo(PgpKeyId other) {
        return other == null
            ? -1
            : this.asHex.compareTo(other.asHex);
    }

    public final String getAsHex() {
        return asHex;
    }

    public final long getAsLong() {
        return asLong;
    }

    public static String toHex(long keyId) {
        return String.format("%08X", 0xFFFFFFFFL & keyId);

            throw UncheckedException.throwAsUncheckedException(e);
        }
    }

    @Override
    public String getKeyId() {
        PgpKeyId id = new PgpKeyId(secretKey.getKeyID());
        return id.getAsHex();
    }

    private void feedGeneratorWith(InputStream toSign, PGPSignatureGenerator generator) throws IOException {
        byte[] buffer = new byte[1024];
        int read = toSign.read(buffer);