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package org.sufficientlysecure.keychain.testsupport;
import org.spongycastle.bcpg.CompressionAlgorithmTags;
import org.spongycastle.bcpg.HashAlgorithmTags;
import org.spongycastle.bcpg.MPInteger;
import org.spongycastle.bcpg.PublicKeyAlgorithmTags;
import org.spongycastle.bcpg.PublicKeyPacket;
import org.spongycastle.bcpg.RSAPublicBCPGKey;
import org.spongycastle.bcpg.SignaturePacket;
import org.spongycastle.bcpg.SignatureSubpacket;
import org.spongycastle.bcpg.SignatureSubpacketTags;
import org.spongycastle.bcpg.SymmetricKeyAlgorithmTags;
import org.spongycastle.bcpg.UserIDPacket;
import org.spongycastle.bcpg.sig.Features;
import org.spongycastle.bcpg.sig.IssuerKeyID;
import org.spongycastle.bcpg.sig.KeyFlags;
import org.spongycastle.bcpg.sig.PreferredAlgorithms;
import org.spongycastle.bcpg.sig.SignatureCreationTime;
import org.spongycastle.bcpg.sig.SignatureExpirationTime;
import org.spongycastle.openpgp.PGPException;
import org.spongycastle.openpgp.PGPPublicKey;
import org.spongycastle.openpgp.PGPPublicKeyRing;
import org.spongycastle.openpgp.PGPSignature;
import org.spongycastle.openpgp.operator.bc.BcKeyFingerprintCalculator;
import org.sufficientlysecure.keychain.pgp.UncachedKeyRing;
import java.math.BigInteger;
import java.util.Date;
/**
* Created by art on 05/07/14.
*/
public class KeyringBuilder {
private static final BigInteger modulus = new BigInteger(
"cbab78d90d5f2cc0c54dd3c3953005a1" +
"e6b521f1ffa5465a102648bf7b91ec72" +
"f9c180759301587878caeb7333215620" +
"9f81ca5b3b94309d96110f6972cfc56a" +
"37fd6279f61d71f19b8f64b288e33829" +
"9dce133520f5b9b4253e6f4ba31ca36a" +
"fd87c2081b15f0b283e9350e370e181a" +
"23d31379101f17a23ae9192250db6540" +
"2e9cab2a275bc5867563227b197c8b13" +
"6c832a94325b680e144ed864fb00b9b8" +
"b07e13f37b40d5ac27dae63cd6a470a7" +
"b40fa3c7479b5b43e634850cc680b177" +
"8dd6b1b51856f36c3520f258f104db2f" +
"96b31a53dd74f708ccfcefccbe420a90" +
"1c37f1f477a6a4b15f5ecbbfd93311a6" +
"47bcc3f5f81c59dfe7252e3cd3be6e27"
, 16
);
private static final BigInteger exponent = new BigInteger("010001", 16);
public static UncachedKeyRing ring1() {
return ringForModulus(new Date(1404566755), "user1@example.com");
}
public static UncachedKeyRing ring2() {
return ringForModulus(new Date(1404566755), "user1@example.com");
}
private static UncachedKeyRing ringForModulus(Date date, String userIdString) {
try {
PGPPublicKey publicKey = createPgpPublicKey(modulus, date);
UserIDPacket userId = createUserId(userIdString);
SignaturePacket signaturePacket = createSignaturePacket(date);
byte[] publicKeyEncoded = publicKey.getEncoded();
byte[] userIdEncoded = userId.getEncoded();
byte[] signaturePacketEncoded = signaturePacket.getEncoded();
byte[] encodedRing = TestDataUtil.concatAll(
publicKeyEncoded,
userIdEncoded,
signaturePacketEncoded
);
PGPPublicKeyRing pgpPublicKeyRing = new PGPPublicKeyRing(
encodedRing, new BcKeyFingerprintCalculator());
return UncachedKeyRing.decodeFromData(pgpPublicKeyRing.getEncoded());
} catch (Exception e) {
throw new RuntimeException(e);
}
}
private static SignaturePacket createSignaturePacket(Date date) {
int signatureType = PGPSignature.POSITIVE_CERTIFICATION;
long keyID = 1;
int keyAlgorithm = SignaturePacket.RSA_GENERAL;
int hashAlgorithm = HashAlgorithmTags.SHA1;
SignatureSubpacket[] hashedData = new SignatureSubpacket[]{
new SignatureCreationTime(true, date),
new KeyFlags(true, KeyFlags.SIGN_DATA & KeyFlags.CERTIFY_OTHER),
new SignatureExpirationTime(true, date.getTime() + 24 * 60 * 60 * 2),
new PreferredAlgorithms(SignatureSubpacketTags.PREFERRED_SYM_ALGS, true, new int[]{
SymmetricKeyAlgorithmTags.AES_256,
SymmetricKeyAlgorithmTags.AES_192,
SymmetricKeyAlgorithmTags.AES_128,
SymmetricKeyAlgorithmTags.CAST5,
SymmetricKeyAlgorithmTags.TRIPLE_DES
}),
new PreferredAlgorithms(SignatureSubpacketTags.PREFERRED_HASH_ALGS, true, new int[]{
HashAlgorithmTags.SHA256,
HashAlgorithmTags.SHA1,
HashAlgorithmTags.SHA384,
HashAlgorithmTags.SHA512,
HashAlgorithmTags.SHA224
}),
new PreferredAlgorithms(SignatureSubpacketTags.PREFERRED_COMP_ALGS, true, new int[]{
CompressionAlgorithmTags.ZLIB,
CompressionAlgorithmTags.BZIP2,
CompressionAlgorithmTags.ZLIB
}),
new Features(false, Features.FEATURE_MODIFICATION_DETECTION),
// can't do keyserver prefs
};
SignatureSubpacket[] unhashedData = new SignatureSubpacket[]{
new IssuerKeyID(true, new BigInteger("15130BCF071AE6BF", 16).toByteArray())
};
byte[] fingerPrint = new BigInteger("522c", 16).toByteArray();
MPInteger[] signature = new MPInteger[]{
new MPInteger(new BigInteger(
"b065c071d3439d5610eb22e5b4df9e42" +
"ed78b8c94f487389e4fc98e8a75a043f" +
"14bf57d591811e8e7db2d31967022d2e" +
"e64372829183ec51d0e20c42d7a1e519" +
"e9fa22cd9db90f0fd7094fd093b78be2" +
"c0db62022193517404d749152c71edc6" +
"fd48af3416038d8842608ecddebbb11c" +
"5823a4321d2029b8993cb017fa8e5ad7" +
"8a9a618672d0217c4b34002f1a4a7625" +
"a514b6a86475e573cb87c64d7069658e" +
"627f2617874007a28d525e0f87d93ca7" +
"b15ad10dbdf10251e542afb8f9b16cbf" +
"7bebdb5fe7e867325a44e59cad0991cb" +
"239b1c859882e2ebb041b80e5cdc3b40" +
"ed259a8a27d63869754c0881ccdcb50f" +
"0564fecdc6966be4a4b87a3507a9d9be", 16
))
};
return new SignaturePacket(signatureType,
keyID,
keyAlgorithm,
hashAlgorithm,
hashedData,
unhashedData,
fingerPrint,
signature);
}
private static PGPPublicKey createPgpPublicKey(BigInteger modulus, Date date) throws PGPException {
PublicKeyPacket publicKeyPacket = new PublicKeyPacket(PublicKeyAlgorithmTags.RSA_SIGN, date, new RSAPublicBCPGKey(modulus, exponent));
return new PGPPublicKey(
publicKeyPacket, new BcKeyFingerprintCalculator());
}
private static UserIDPacket createUserId(String userId) {
return new UserIDPacket(userId);
}
}
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