diff options
Diffstat (limited to 'OpenKeychain-Test/src/test/java/org/sufficientlysecure/keychain/support/KeyringBuilder.java')
-rw-r--r-- | OpenKeychain-Test/src/test/java/org/sufficientlysecure/keychain/support/KeyringBuilder.java | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/OpenKeychain-Test/src/test/java/org/sufficientlysecure/keychain/support/KeyringBuilder.java b/OpenKeychain-Test/src/test/java/org/sufficientlysecure/keychain/support/KeyringBuilder.java new file mode 100644 index 000000000..94193bbcb --- /dev/null +++ b/OpenKeychain-Test/src/test/java/org/sufficientlysecure/keychain/support/KeyringBuilder.java @@ -0,0 +1,254 @@ +/* + * Copyright (C) Art O Cathain + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +package org.sufficientlysecure.keychain.support; + +import org.spongycastle.bcpg.CompressionAlgorithmTags; +import org.spongycastle.bcpg.ContainedPacket; +import org.spongycastle.bcpg.HashAlgorithmTags; +import org.spongycastle.bcpg.MPInteger; +import org.spongycastle.bcpg.PublicKeyAlgorithmTags; +import org.spongycastle.bcpg.PublicKeyPacket; +import org.spongycastle.bcpg.PublicSubkeyPacket; +import org.spongycastle.bcpg.RSAPublicBCPGKey; +import org.spongycastle.bcpg.SignaturePacket; +import org.spongycastle.bcpg.SignatureSubpacket; +import org.spongycastle.bcpg.SignatureSubpacketInputStream; +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.KeyExpirationTime; +import org.spongycastle.bcpg.sig.KeyFlags; +import org.spongycastle.bcpg.sig.PreferredAlgorithms; +import org.spongycastle.bcpg.sig.SignatureCreationTime; +import org.spongycastle.openpgp.PGPSignature; +import org.sufficientlysecure.keychain.pgp.UncachedKeyRing; + +import java.io.ByteArrayInputStream; +import java.io.IOException; +import java.math.BigInteger; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Date; +import java.util.List; +import java.util.concurrent.TimeUnit; + +/** + * Helps create correct and incorrect keyrings for tests. + * + * The original "correct" keyring was generated by GnuPG. + */ +public class KeyringBuilder { + + + private static final BigInteger PUBLIC_KEY_MODULUS = new BigInteger( + "cbab78d90d5f2cc0c54dd3c3953005a1e6b521f1ffa5465a102648bf7b91ec72" + + "f9c180759301587878caeb73332156209f81ca5b3b94309d96110f6972cfc56a" + + "37fd6279f61d71f19b8f64b288e338299dce133520f5b9b4253e6f4ba31ca36a" + + "fd87c2081b15f0b283e9350e370e181a23d31379101f17a23ae9192250db6540" + + "2e9cab2a275bc5867563227b197c8b136c832a94325b680e144ed864fb00b9b8" + + "b07e13f37b40d5ac27dae63cd6a470a7b40fa3c7479b5b43e634850cc680b177" + + "8dd6b1b51856f36c3520f258f104db2f96b31a53dd74f708ccfcefccbe420a90" + + "1c37f1f477a6a4b15f5ecbbfd93311a647bcc3f5f81c59dfe7252e3cd3be6e27" + , 16 + ); + + private static final BigInteger PUBLIC_SUBKEY_MODULUS = new BigInteger( + "e8e2e2a33102649f19f8a07486fb076a1406ca888d72ae05d28f0ef372b5408e" + + "45132c69f6e5cb6a79bb8aed84634196731393a82d53e0ddd42f28f92cc15850" + + "8ce3b7ca1a9830502745aee774f86987993df984781f47c4a2910f95cf4c950c" + + "c4c6cccdc134ad408a0c5418b5e360c9781a8434d366053ea6338b975fae88f9" + + "383a10a90e7b2caa9ddb95708aa9d8a90246e29b04dbd6136613085c9a287315" + + "c6e9c7ff4012defc1713875e3ff6073333a1c93d7cd75ebeaaf16b8b853d96ba" + + "7003258779e8d2f70f1bc0bcd3ef91d7a9ccd8e225579b2d6fcae32799b0a6c0" + + "e7305fc65dc4edc849c6130a0d669c90c193b1e746c812510f9d600a208be4a5" + , 16 + ); + + private static final Date SIGNATURE_DATE = new Date(1404566755000L); + + private static final BigInteger EXPONENT = BigInteger.valueOf(0x010001); + + private static final String USER_ID_STRING = "OpenKeychain User (NOT A REAL KEY) <openkeychain@example.com>"; + + public static final BigInteger CORRECT_SIGNATURE = new BigInteger( + "b065c071d3439d5610eb22e5b4df9e42ed78b8c94f487389e4fc98e8a75a043f" + + "14bf57d591811e8e7db2d31967022d2ee64372829183ec51d0e20c42d7a1e519" + + "e9fa22cd9db90f0fd7094fd093b78be2c0db62022193517404d749152c71edc6" + + "fd48af3416038d8842608ecddebbb11c5823a4321d2029b8993cb017fa8e5ad7" + + "8a9a618672d0217c4b34002f1a4a7625a514b6a86475e573cb87c64d7069658e" + + "627f2617874007a28d525e0f87d93ca7b15ad10dbdf10251e542afb8f9b16cbf" + + "7bebdb5fe7e867325a44e59cad0991cb239b1c859882e2ebb041b80e5cdc3b40" + + "ed259a8a27d63869754c0881ccdcb50f0564fecdc6966be4a4b87a3507a9d9be" + , 16 + ); + public static final BigInteger CORRECT_SUBKEY_SIGNATURE = new BigInteger( + "9c40543e646cfa6d3d1863d91a4e8f1421d0616ddb3187505df75fbbb6c59dd5" + + "3136b866f246a0320e793cb142c55c8e0e521d1e8d9ab864650f10690f5f1429" + + "2eb8402a3b1f82c01079d12f5c57c43fce524a530e6f49f6f87d984e26db67a2" + + "d469386dac87553c50147ebb6c2edd9248325405f737b815253beedaaba4f5c9" + + "3acd5d07fe6522ceda1027932d849e3ec4d316422cd43ea6e506f643936ab0be" + + "8246e546bb90d9a83613185047566864ffe894946477e939725171e0e15710b2" + + "089f78752a9cb572f5907323f1b62f14cb07671aeb02e6d7178f185467624ec5" + + "74e4a73c439a12edba200a4832106767366a1e6f63da0a42d593fa3914deee2b" + , 16 + ); + public static final BigInteger KEY_ID = BigInteger.valueOf(0x15130BCF071AE6BFL); + + public static UncachedKeyRing correctRing() { + return convertToKeyring(correctKeyringPackets()); + } + + public static UncachedKeyRing ringWithExtraIncorrectSignature() { + List<ContainedPacket> packets = correctKeyringPackets(); + SignaturePacket incorrectSignaturePacket = createSignaturePacket(CORRECT_SIGNATURE.subtract(BigInteger.ONE)); + packets.add(2, incorrectSignaturePacket); + return convertToKeyring(packets); + } + + private static UncachedKeyRing convertToKeyring(List<ContainedPacket> packets) { + try { + return UncachedKeyRing.decodeFromData(TestDataUtil.concatAll(packets)); + } catch (Exception e) { + throw new RuntimeException(e); + } + } + + private static List<ContainedPacket> correctKeyringPackets() { + PublicKeyPacket publicKey = createPgpPublicKey(PUBLIC_KEY_MODULUS); + UserIDPacket userId = createUserId(USER_ID_STRING); + SignaturePacket signaturePacket = createSignaturePacket(CORRECT_SIGNATURE); + PublicKeyPacket subKey = createPgpPublicSubKey(PUBLIC_SUBKEY_MODULUS); + SignaturePacket subKeySignaturePacket = createSubkeySignaturePacket(); + + return new ArrayList<ContainedPacket>(Arrays.asList( + publicKey, + userId, + signaturePacket, + subKey, + subKeySignaturePacket + )); + } + + 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, KEY_ID.toByteArray()) + }; + byte[] fingerPrint = new BigInteger("522c", 16).toByteArray(); + + return new SignaturePacket(signatureType, + KEY_ID.longValue(), + keyAlgorithm, + hashAlgorithm, + hashedData, + unhashedData, + fingerPrint, + signatureArray); + } + + /** + * There is no Preferences subpacket in BouncyCastle, so we have + * to create one manually. + */ + private static SignatureSubpacket createPreferencesSignatureSubpacket() { + SignatureSubpacket prefs; + try { + prefs = new SignatureSubpacketInputStream(new ByteArrayInputStream( + new byte[]{2, SignatureSubpacketTags.KEY_SERVER_PREFS, (byte) 0x80}) + ).readPacket(); + } catch (IOException ex) { + throw new RuntimeException(ex); + } + return prefs; + } + + private static SignaturePacket createSubkeySignaturePacket() { + int signatureType = PGPSignature.SUBKEY_BINDING; + int keyAlgorithm = SignaturePacket.RSA_GENERAL; + int hashAlgorithm = HashAlgorithmTags.SHA1; + + SignatureSubpacket[] hashedData = new SignatureSubpacket[]{ + new SignatureCreationTime(false, SIGNATURE_DATE), + new KeyFlags(false, KeyFlags.ENCRYPT_COMMS + KeyFlags.ENCRYPT_STORAGE), + new KeyExpirationTime(false, TimeUnit.DAYS.toSeconds(2)), + }; + SignatureSubpacket[] unhashedData = new SignatureSubpacket[]{ + new IssuerKeyID(false, KEY_ID.toByteArray()) + }; + byte[] fingerPrint = new BigInteger("234a", 16).toByteArray(); + MPInteger[] signature = new MPInteger[]{ + new MPInteger(CORRECT_SUBKEY_SIGNATURE) + }; + return new SignaturePacket(signatureType, + KEY_ID.longValue(), + keyAlgorithm, + hashAlgorithm, + hashedData, + unhashedData, + fingerPrint, + signature); + } + + private static PublicKeyPacket createPgpPublicKey(BigInteger modulus) { + return new PublicKeyPacket(PublicKeyAlgorithmTags.RSA_GENERAL, SIGNATURE_DATE, new RSAPublicBCPGKey(modulus, EXPONENT)); + } + + private static PublicKeyPacket createPgpPublicSubKey(BigInteger modulus) { + return new PublicSubkeyPacket(PublicKeyAlgorithmTags.RSA_GENERAL, SIGNATURE_DATE, new RSAPublicBCPGKey(modulus, EXPONENT)); + } + + private static UserIDPacket createUserId(String userId) { + return new UserIDPacket(userId); + } + +} |