Example usage for org.bouncycastle.bcpg.sig Features Features

Introduction

In this page you can find the example usage for org.bouncycastle.bcpg.sig Features Features.

Prototype

public Features(boolean critical, byte feature) 

Source Link

Usage

From source file:org.sufficientlysecure.keychain.support.KeyringBuilder.java

License:Open Source License

private static SignaturePacket createSignaturePacket(BigInteger signature) {
    MPInteger[] signatureArray = new MPInteger[] { new MPInteger(signature) };

    int signatureType = PGPSignature.POSITIVE_CERTIFICATION;
    int keyAlgorithm = SignaturePacket.RSA_GENERAL;
    int hashAlgorithm = HashAlgorithmTags.SHA1;

    SignatureSubpacket[] hashedData = new SignatureSubpacket[] {
            new SignatureCreationTime(false, SIGNATURE_DATE),
            new KeyFlags(false, KeyFlags.CERTIFY_OTHER + KeyFlags.SIGN_DATA),
            new KeyExpirationTime(false, TimeUnit.DAYS.toSeconds(2)),
            new PreferredAlgorithms(SignatureSubpacketTags.PREFERRED_SYM_ALGS, false,
                    new int[] { SymmetricKeyAlgorithmTags.AES_256, SymmetricKeyAlgorithmTags.AES_192,
                            SymmetricKeyAlgorithmTags.AES_128, SymmetricKeyAlgorithmTags.CAST5,
                            SymmetricKeyAlgorithmTags.TRIPLE_DES }),
            new PreferredAlgorithms(SignatureSubpacketTags.PREFERRED_HASH_ALGS, false,
                    new int[] { HashAlgorithmTags.SHA256, HashAlgorithmTags.SHA1, HashAlgorithmTags.SHA384,
                            HashAlgorithmTags.SHA512, HashAlgorithmTags.SHA224 }),
            new PreferredAlgorithms(SignatureSubpacketTags.PREFERRED_COMP_ALGS, false,
                    new int[] { CompressionAlgorithmTags.ZLIB, CompressionAlgorithmTags.BZIP2,
                            CompressionAlgorithmTags.ZIP }),
            new Features(false, Features.FEATURE_MODIFICATION_DETECTION),
            createPreferencesSignatureSubpacket() };
    SignatureSubpacket[] unhashedData = new SignatureSubpacket[] {
            new IssuerKeyID(false, false, KEY_ID.toByteArray()) };
    byte[] fingerPrint = new BigInteger("522c", 16).toByteArray();

    return new SignaturePacket(signatureType, KEY_ID.longValue(), keyAlgorithm, hashAlgorithm, hashedData,
            unhashedData, fingerPrint, signatureArray);
}

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