diff options
Diffstat (limited to 'pg/src/test/java/org/bouncycastle/openpgp/test/BcPGPDSAElGamalTest.java')
| -rw-r--r-- | pg/src/test/java/org/bouncycastle/openpgp/test/BcPGPDSAElGamalTest.java | 565 |
1 files changed, 0 insertions, 565 deletions
diff --git a/pg/src/test/java/org/bouncycastle/openpgp/test/BcPGPDSAElGamalTest.java b/pg/src/test/java/org/bouncycastle/openpgp/test/BcPGPDSAElGamalTest.java deleted file mode 100644 index e147b396..00000000 --- a/pg/src/test/java/org/bouncycastle/openpgp/test/BcPGPDSAElGamalTest.java +++ /dev/null @@ -1,565 +0,0 @@ -package org.bouncycastle.openpgp.test; - -import java.io.ByteArrayInputStream; -import java.io.ByteArrayOutputStream; -import java.io.InputStream; -import java.io.OutputStream; -import java.math.BigInteger; -import java.security.AlgorithmParameterGenerator; -import java.security.AlgorithmParameters; -import java.security.KeyPair; -import java.security.KeyPairGenerator; -import java.security.SecureRandom; -import java.security.Security; -import java.util.Date; -import java.util.Iterator; - -import javax.crypto.spec.DHParameterSpec; - -import org.bouncycastle.bcpg.BCPGOutputStream; -import org.bouncycastle.bcpg.PublicKeyAlgorithmTags; -import org.bouncycastle.bcpg.SymmetricKeyAlgorithmTags; -import org.bouncycastle.crypto.AsymmetricBlockCipher; -import org.bouncycastle.crypto.encodings.PKCS1Encoding; -import org.bouncycastle.crypto.engines.ElGamalEngine; -import org.bouncycastle.crypto.params.AsymmetricKeyParameter; -import org.bouncycastle.jce.provider.BouncyCastleProvider; -import org.bouncycastle.jce.spec.ElGamalParameterSpec; -import org.bouncycastle.openpgp.PGPCompressedData; -import org.bouncycastle.openpgp.PGPCompressedDataGenerator; -import org.bouncycastle.openpgp.PGPEncryptedDataGenerator; -import org.bouncycastle.openpgp.PGPEncryptedDataList; -import org.bouncycastle.openpgp.PGPException; -import org.bouncycastle.openpgp.PGPKeyPair; -import org.bouncycastle.openpgp.PGPLiteralData; -import org.bouncycastle.openpgp.PGPLiteralDataGenerator; -import org.bouncycastle.openpgp.PGPOnePassSignature; -import org.bouncycastle.openpgp.PGPOnePassSignatureList; -import org.bouncycastle.openpgp.PGPPrivateKey; -import org.bouncycastle.openpgp.PGPPublicKey; -import org.bouncycastle.openpgp.PGPPublicKeyEncryptedData; -import org.bouncycastle.openpgp.PGPPublicKeyRing; -import org.bouncycastle.openpgp.PGPSecretKeyRing; -import org.bouncycastle.openpgp.PGPSignature; -import org.bouncycastle.openpgp.PGPSignatureGenerator; -import org.bouncycastle.openpgp.PGPSignatureList; -import org.bouncycastle.openpgp.PGPUtil; -import org.bouncycastle.openpgp.jcajce.JcaPGPObjectFactory; -import org.bouncycastle.openpgp.operator.bc.BcKeyFingerprintCalculator; -import org.bouncycastle.openpgp.operator.bc.BcPBESecretKeyDecryptorBuilder; -import org.bouncycastle.openpgp.operator.bc.BcPGPContentSignerBuilder; -import org.bouncycastle.openpgp.operator.bc.BcPGPContentVerifierBuilderProvider; -import org.bouncycastle.openpgp.operator.bc.BcPGPDataEncryptorBuilder; -import org.bouncycastle.openpgp.operator.bc.BcPGPDigestCalculatorProvider; -import org.bouncycastle.openpgp.operator.bc.BcPGPKeyConverter; -import org.bouncycastle.openpgp.operator.bc.BcPublicKeyDataDecryptorFactory; -import org.bouncycastle.openpgp.operator.bc.BcPublicKeyKeyEncryptionMethodGenerator; -import org.bouncycastle.openpgp.operator.jcajce.JcaPGPKeyPair; -import org.bouncycastle.util.encoders.Base64; -import org.bouncycastle.util.test.SimpleTest; -import org.bouncycastle.util.test.UncloseableOutputStream; - -public class BcPGPDSAElGamalTest - extends SimpleTest -{ - - byte[] testPubKeyRing = - Base64.decode( - "mQGiBEAR8jYRBADNifuSopd20JOQ5x30ljIaY0M6927+vo09NeNxS3KqItba" - + "nz9o5e2aqdT0W1xgdHYZmdElOHTTsugZxdXTEhghyxoo3KhVcNnTABQyrrvX" - + "qouvmP2fEDEw0Vpyk+90BpyY9YlgeX/dEA8OfooRLCJde/iDTl7r9FT+mts8" - + "g3azjwCgx+pOLD9LPBF5E4FhUOdXISJ0f4EEAKXSOi9nZzajpdhe8W2ZL9gc" - + "BpzZi6AcrRZBHOEMqd69gtUxA4eD8xycUQ42yH89imEcwLz8XdJ98uHUxGJi" - + "qp6hq4oakmw8GQfiL7yQIFgaM0dOAI9Afe3m84cEYZsoAFYpB4/s9pVMpPRH" - + "NsVspU0qd3NHnSZ0QXs8L8DXGO1uBACjDUj+8GsfDCIP2QF3JC+nPUNa0Y5t" - + "wKPKl+T8hX/0FBD7fnNeC6c9j5Ir/Fp/QtdaDAOoBKiyNLh1JaB1NY6US5zc" - + "qFks2seZPjXEiE6OIDXYra494mjNKGUobA4hqT2peKWXt/uBcuL1mjKOy8Qf" - + "JxgEd0MOcGJO+1PFFZWGzLQ3RXJpYyBILiBFY2hpZG5hICh0ZXN0IGtleSBv" - + "bmx5KSA8ZXJpY0Bib3VuY3ljYXN0bGUub3JnPohZBBMRAgAZBQJAEfI2BAsH" - + "AwIDFQIDAxYCAQIeAQIXgAAKCRAOtk6iUOgnkDdnAKC/CfLWikSBdbngY6OK" - + "5UN3+o7q1ACcDRqjT3yjBU3WmRUNlxBg3tSuljmwAgAAuQENBEAR8jgQBAC2" - + "kr57iuOaV7Ga1xcU14MNbKcA0PVembRCjcVjei/3yVfT/fuCVtGHOmYLEBqH" - + "bn5aaJ0P/6vMbLCHKuN61NZlts+LEctfwoya43RtcubqMc7eKw4k0JnnoYgB" - + "ocLXOtloCb7jfubOsnfORvrUkK0+Ne6anRhFBYfaBmGU75cQgwADBQP/XxR2" - + "qGHiwn+0YiMioRDRiIAxp6UiC/JQIri2AKSqAi0zeAMdrRsBN7kyzYVVpWwN" - + "5u13gPdQ2HnJ7d4wLWAuizUdKIQxBG8VoCxkbipnwh2RR4xCXFDhJrJFQUm+" - + "4nKx9JvAmZTBIlI5Wsi5qxst/9p5MgP3flXsNi1tRbTmRhqIRgQYEQIABgUC" - + "QBHyOAAKCRAOtk6iUOgnkBStAJoCZBVM61B1LG2xip294MZecMtCwQCbBbsk" - + "JVCXP0/Szm05GB+WN+MOCT2wAgAA"); - - byte[] testPrivKeyRing = - Base64.decode( - "lQHhBEAR8jYRBADNifuSopd20JOQ5x30ljIaY0M6927+vo09NeNxS3KqItba" - + "nz9o5e2aqdT0W1xgdHYZmdElOHTTsugZxdXTEhghyxoo3KhVcNnTABQyrrvX" - + "qouvmP2fEDEw0Vpyk+90BpyY9YlgeX/dEA8OfooRLCJde/iDTl7r9FT+mts8" - + "g3azjwCgx+pOLD9LPBF5E4FhUOdXISJ0f4EEAKXSOi9nZzajpdhe8W2ZL9gc" - + "BpzZi6AcrRZBHOEMqd69gtUxA4eD8xycUQ42yH89imEcwLz8XdJ98uHUxGJi" - + "qp6hq4oakmw8GQfiL7yQIFgaM0dOAI9Afe3m84cEYZsoAFYpB4/s9pVMpPRH" - + "NsVspU0qd3NHnSZ0QXs8L8DXGO1uBACjDUj+8GsfDCIP2QF3JC+nPUNa0Y5t" - + "wKPKl+T8hX/0FBD7fnNeC6c9j5Ir/Fp/QtdaDAOoBKiyNLh1JaB1NY6US5zc" - + "qFks2seZPjXEiE6OIDXYra494mjNKGUobA4hqT2peKWXt/uBcuL1mjKOy8Qf" - + "JxgEd0MOcGJO+1PFFZWGzP4DAwLeUcsVxIC2s2Bb9ab2XD860TQ2BI2rMD/r" - + "7/psx9WQ+Vz/aFAT3rXkEJ97nFeqEACgKmUCAEk9939EwLQ3RXJpYyBILiBF" - + "Y2hpZG5hICh0ZXN0IGtleSBvbmx5KSA8ZXJpY0Bib3VuY3ljYXN0bGUub3Jn" - + "PohZBBMRAgAZBQJAEfI2BAsHAwIDFQIDAxYCAQIeAQIXgAAKCRAOtk6iUOgn" - + "kDdnAJ9Ala3OcwEV1DbK906CheYWo4zIQwCfUqUOLMp/zj6QAk02bbJAhV1r" - + "sAewAgAAnQFYBEAR8jgQBAC2kr57iuOaV7Ga1xcU14MNbKcA0PVembRCjcVj" - + "ei/3yVfT/fuCVtGHOmYLEBqHbn5aaJ0P/6vMbLCHKuN61NZlts+LEctfwoya" - + "43RtcubqMc7eKw4k0JnnoYgBocLXOtloCb7jfubOsnfORvrUkK0+Ne6anRhF" - + "BYfaBmGU75cQgwADBQP/XxR2qGHiwn+0YiMioRDRiIAxp6UiC/JQIri2AKSq" - + "Ai0zeAMdrRsBN7kyzYVVpWwN5u13gPdQ2HnJ7d4wLWAuizUdKIQxBG8VoCxk" - + "bipnwh2RR4xCXFDhJrJFQUm+4nKx9JvAmZTBIlI5Wsi5qxst/9p5MgP3flXs" - + "Ni1tRbTmRhr+AwMC3lHLFcSAtrNg/EiWFLAnKNXH27zjwuhje8u2r+9iMTYs" - + "GjbRxaxRY0GKRhttCwqe2BC0lHhzifdlEcc9yjIjuKfepG2fnnSIRgQYEQIA" - + "BgUCQBHyOAAKCRAOtk6iUOgnkBStAJ9HFejVtVJ/A9LM/mDPe0ExhEXt/QCg" - + "m/KM7hJ/JrfnLQl7IaZsdg1F6vCwAgAA"); - - byte[] encMessage = - Base64.decode( - "hQEOAynbo4lhNjcHEAP/dgCkMtPB6mIgjFvNiotjaoh4sAXf4vFNkSeehQ2c" - + "r+IMt9CgIYodJI3FoJXxOuTcwesqTp5hRzgUBJS0adLDJwcNubFMy0M2tp5o" - + "KTWpXulIiqyO6f5jI/oEDHPzFoYgBmR4x72l/YpMy8UoYGtNxNvR7LVOfqJv" - + "uDY/71KMtPQEAIadOWpf1P5Td+61Zqn2VH2UV7H8eI6hGa6Lsy4sb9iZNE7f" - + "c+spGJlgkiOt8TrQoq3iOK9UN9nHZLiCSIEGCzsEn3uNuorD++Qs065ij+Oy" - + "36TKeuJ+38CfT7u47dEshHCPqWhBKEYrxZWHUJU/izw2Q1Yxd2XRxN+nafTL" - + "X1fQ0lABQUASa18s0BkkEERIdcKQXVLEswWcGqWNv1ZghC7xO2VDBX4HrPjp" - + "drjL63p2UHzJ7/4gPWGGtnqq1Xita/1mrImn7pzLThDWiT55vjw6Hw=="); - - byte[] signedAndEncMessage = - Base64.decode( - "hQEOAynbo4lhNjcHEAP+K20MVhzdX57hf/cU8TH0prP0VePr9mmeBedzqqMn" - + "fp2p8Zb68zmcMlI/WiL5XMNLYRmCgEcXyWbKdP/XV9m9LDBe1CMAGrkCeGBy" - + "je69IQQ5LS9vDPyEMF4iAAv/EqACjqHkizdY/a/FRx/t2ioXYdEC2jA6kS9C" - + "McpsNz16DE8EAIk3uKn4bGo/+15TXkyFYzW5Cf71SfRoHNmU2zAI93zhjN+T" - + "B7mGJwWXzsMkIO6FkMU5TCSrwZS3DBWCIaJ6SYoaawE/C/2j9D7bX1Jv8kum" - + "4cq+eZM7z6JYs6xend+WAwittpUxbEiyC2AJb3fBSXPAbLqWd6J6xbZZ7GDK" - + "r2Ca0pwBxwGhbMDyi2zpHLzw95H7Ah2wMcGU6kMLB+hzBSZ6mSTGFehqFQE3" - + "2BnAj7MtnbghiefogacJ891jj8Y2ggJeKDuRz8j2iICaTOy+Y2rXnnJwfYzm" - + "BMWcd2h1C5+UeBJ9CrrLniCCI8s5u8z36Rno3sfhBnXdRmWSxExXtocbg1Ht" - + "dyiThf6TK3W29Yy/T6x45Ws5zOasaJdsFKM="); - char[] pass = { 'h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd' }; - - public void performTest() - throws Exception - { - try - { - PGPPublicKey pubKey; - - PGPUtil.setDefaultProvider("BC"); - - // - // Read the public key - // - JcaPGPObjectFactory pgpFact = new JcaPGPObjectFactory(testPubKeyRing); - - PGPPublicKeyRing pgpPub = (PGPPublicKeyRing)pgpFact.nextObject(); - - pubKey = pgpPub.getPublicKey(); - - if (pubKey.getBitStrength() != 1024) - { - fail("failed - key strength reported incorrectly."); - } - - // - // Read the private key - // - PGPSecretKeyRing sKey = new PGPSecretKeyRing(testPrivKeyRing, new BcKeyFingerprintCalculator()); - PGPPrivateKey pgpPrivKey = sKey.getSecretKey().extractPrivateKey(new BcPBESecretKeyDecryptorBuilder(new BcPGPDigestCalculatorProvider()).build(pass)); - - // - // signature generation - // - String data = "hello world!"; - ByteArrayOutputStream bOut = new ByteArrayOutputStream(); - ByteArrayInputStream testIn = new ByteArrayInputStream(data.getBytes()); - PGPSignatureGenerator sGen = new PGPSignatureGenerator(new BcPGPContentSignerBuilder(PGPPublicKey.DSA, PGPUtil.SHA1)); - - sGen.init(PGPSignature.BINARY_DOCUMENT, pgpPrivKey); - - PGPCompressedDataGenerator cGen = new PGPCompressedDataGenerator( - PGPCompressedData.ZIP); - - BCPGOutputStream bcOut = new BCPGOutputStream( - cGen.open(new UncloseableOutputStream(bOut))); - - sGen.generateOnePassVersion(false).encode(bcOut); - - PGPLiteralDataGenerator lGen = new PGPLiteralDataGenerator(); - - Date testDate = new Date((System.currentTimeMillis() / 1000) * 1000); - OutputStream lOut = lGen.open( - new UncloseableOutputStream(bcOut), - PGPLiteralData.BINARY, - "_CONSOLE", - data.getBytes().length, - testDate); - - int ch; - while ((ch = testIn.read()) >= 0) - { - lOut.write(ch); - sGen.update((byte)ch); - } - - lGen.close(); - - sGen.generate().encode(bcOut); - - cGen.close(); - - // - // verify generated signature - // - pgpFact = new JcaPGPObjectFactory(bOut.toByteArray()); - - PGPCompressedData c1 = (PGPCompressedData)pgpFact.nextObject(); - - pgpFact = new JcaPGPObjectFactory(c1.getDataStream()); - - PGPOnePassSignatureList p1 = (PGPOnePassSignatureList)pgpFact.nextObject(); - - PGPOnePassSignature ops = p1.get(0); - - PGPLiteralData p2 = (PGPLiteralData)pgpFact.nextObject(); - if (!p2.getModificationTime().equals(testDate)) - { - fail("Modification time not preserved"); - } - - InputStream dIn = p2.getInputStream(); - - ops.init(new BcPGPContentVerifierBuilderProvider(), pubKey); - - while ((ch = dIn.read()) >= 0) - { - ops.update((byte)ch); - } - - PGPSignatureList p3 = (PGPSignatureList)pgpFact.nextObject(); - - if (!ops.verify(p3.get(0))) - { - fail("Failed generated signature check"); - } - - // - // test encryption - // - - // - // find a key suitable for encryption - // - long pgpKeyID = 0; - AsymmetricKeyParameter pKey = null; - BcPGPKeyConverter keyConverter = new BcPGPKeyConverter(); - - Iterator it = pgpPub.getPublicKeys(); - while (it.hasNext()) - { - PGPPublicKey pgpKey = (PGPPublicKey)it.next(); - - if (pgpKey.getAlgorithm() == PGPPublicKey.ELGAMAL_ENCRYPT - || pgpKey.getAlgorithm() == PGPPublicKey.ELGAMAL_GENERAL) - { - pKey = keyConverter.getPublicKey(pgpKey); - pgpKeyID = pgpKey.getKeyID(); - if (pgpKey.getBitStrength() != 1024) - { - fail("failed - key strength reported incorrectly."); - } - - // - // verify the key - // - - } - } - - AsymmetricBlockCipher c = new PKCS1Encoding(new ElGamalEngine()); - - c.init(true, pKey); - - byte[] in = "hello world".getBytes(); - - byte[] out = c.processBlock(in, 0, in.length); - - pgpPrivKey = sKey.getSecretKey(pgpKeyID).extractPrivateKey(new BcPBESecretKeyDecryptorBuilder(new BcPGPDigestCalculatorProvider()).build(pass)); - - c.init(false, keyConverter.getPrivateKey(pgpPrivKey)); - - out = c.processBlock(out, 0, out.length); - - if (!areEqual(in, out)) - { - fail("decryption failed."); - } - - // - // encrypted message - // - byte[] text = { (byte)'h', (byte)'e', (byte)'l', (byte)'l', (byte)'o', (byte)' ', (byte)'w', (byte)'o', (byte)'r', (byte)'l', (byte)'d', (byte)'!', (byte)'\n' }; - - JcaPGPObjectFactory pgpF = new JcaPGPObjectFactory(encMessage); - - PGPEncryptedDataList encList = (PGPEncryptedDataList)pgpF.nextObject(); - - PGPPublicKeyEncryptedData encP = (PGPPublicKeyEncryptedData)encList.get(0); - - InputStream clear = encP.getDataStream(new BcPublicKeyDataDecryptorFactory(pgpPrivKey)); - - pgpFact = new JcaPGPObjectFactory(clear); - - c1 = (PGPCompressedData)pgpFact.nextObject(); - - pgpFact = new JcaPGPObjectFactory(c1.getDataStream()); - - PGPLiteralData ld = (PGPLiteralData)pgpFact.nextObject(); - - bOut = new ByteArrayOutputStream(); - - if (!ld.getFileName().equals("test.txt")) - { - throw new RuntimeException("wrong filename in packet"); - } - - InputStream inLd = ld.getDataStream(); - - while ((ch = inLd.read()) >= 0) - { - bOut.write(ch); - } - - if (!areEqual(bOut.toByteArray(), text)) - { - fail("wrong plain text in decrypted packet"); - } - - // - // signed and encrypted message - // - pgpF = new JcaPGPObjectFactory(signedAndEncMessage); - - encList = (PGPEncryptedDataList)pgpF.nextObject(); - - encP = (PGPPublicKeyEncryptedData)encList.get(0); - - clear = encP.getDataStream(new BcPublicKeyDataDecryptorFactory(pgpPrivKey)); - - pgpFact = new JcaPGPObjectFactory(clear); - - c1 = (PGPCompressedData)pgpFact.nextObject(); - - pgpFact = new JcaPGPObjectFactory(c1.getDataStream()); - - p1 = (PGPOnePassSignatureList)pgpFact.nextObject(); - - ops = p1.get(0); - - ld = (PGPLiteralData)pgpFact.nextObject(); - - bOut = new ByteArrayOutputStream(); - - if (!ld.getFileName().equals("test.txt")) - { - throw new RuntimeException("wrong filename in packet"); - } - - inLd = ld.getDataStream(); - - // - // note: we use the DSA public key here. - // - ops.init(new BcPGPContentVerifierBuilderProvider(), pgpPub.getPublicKey()); - - while ((ch = inLd.read()) >= 0) - { - ops.update((byte)ch); - bOut.write(ch); - } - - p3 = (PGPSignatureList)pgpFact.nextObject(); - - if (!ops.verify(p3.get(0))) - { - fail("Failed signature check"); - } - - if (!areEqual(bOut.toByteArray(), text)) - { - fail("wrong plain text in decrypted packet"); - } - - // - // encrypt - // - ByteArrayOutputStream cbOut = new ByteArrayOutputStream(); - PGPEncryptedDataGenerator cPk = new PGPEncryptedDataGenerator(new BcPGPDataEncryptorBuilder(SymmetricKeyAlgorithmTags.TRIPLE_DES).setSecureRandom(new SecureRandom())); - PGPPublicKey puK = sKey.getSecretKey(pgpKeyID).getPublicKey(); - - cPk.addMethod(new BcPublicKeyKeyEncryptionMethodGenerator(puK)); - - OutputStream cOut = cPk.open(new UncloseableOutputStream(cbOut), bOut.toByteArray().length); - - cOut.write(text); - - cOut.close(); - - pgpF = new JcaPGPObjectFactory(cbOut.toByteArray()); - - encList = (PGPEncryptedDataList)pgpF.nextObject(); - - encP = (PGPPublicKeyEncryptedData)encList.get(0); - - pgpPrivKey = sKey.getSecretKey(pgpKeyID).extractPrivateKey(new BcPBESecretKeyDecryptorBuilder(new BcPGPDigestCalculatorProvider()).build(pass)); - - clear = encP.getDataStream(new BcPublicKeyDataDecryptorFactory(pgpPrivKey)); - - bOut.reset(); - - while ((ch = clear.read()) >= 0) - { - bOut.write(ch); - } - - out = bOut.toByteArray(); - - if (!areEqual(out, text)) - { - fail("wrong plain text in generated packet"); - } - - // - // use of PGPKeyPair - // - BigInteger g = new BigInteger("153d5d6172adb43045b68ae8e1de1070b6137005686d29d3d73a7749199681ee5b212c9b96bfdcfa5b20cd5e3fd2044895d609cf9b410b7a0f12ca1cb9a428cc", 16); - BigInteger p = new BigInteger("9494fec095f3b85ee286542b3836fc81a5dd0a0349b4c239dd38744d488cf8e31db8bcb7d33b41abb9e5a33cca9144b1cef332c94bf0573bf047a3aca98cdf3b", 16); - - KeyPairGenerator kpg = KeyPairGenerator.getInstance("ElGamal", "BC"); - - ElGamalParameterSpec elParams = new ElGamalParameterSpec(p, g); - - kpg.initialize(elParams); - - KeyPair kp = kpg.generateKeyPair(); - - PGPKeyPair pgpKp = new JcaPGPKeyPair(PGPPublicKey.ELGAMAL_GENERAL , kp, new Date()); - - PGPPublicKey k1 = pgpKp.getPublicKey(); - - PGPPrivateKey k2 = pgpKp.getPrivateKey(); - - - - // Test bug with ElGamal P size != 0 mod 8 (don't use these sizes at home!) - SecureRandom random = new SecureRandom(); - for (int pSize = 257; pSize < 264; ++pSize) - { - // Generate some parameters of the given size - AlgorithmParameterGenerator a = AlgorithmParameterGenerator.getInstance("ElGamal", "BC"); - a.init(pSize, new SecureRandom()); - AlgorithmParameters params = a.generateParameters(); - - DHParameterSpec elP = (DHParameterSpec)params.getParameterSpec(DHParameterSpec.class); - KeyPairGenerator keyGen = KeyPairGenerator.getInstance("ElGamal", "BC"); - - keyGen.initialize(elP); - - - // Run a short encrypt/decrypt test with random key for the given parameters - kp = keyGen.generateKeyPair(); - - PGPKeyPair elGamalKeyPair = new JcaPGPKeyPair( - PublicKeyAlgorithmTags.ELGAMAL_GENERAL, kp, new Date()); - - cPk = new PGPEncryptedDataGenerator(new BcPGPDataEncryptorBuilder(SymmetricKeyAlgorithmTags.CAST5).setSecureRandom(random)); - - puK = elGamalKeyPair.getPublicKey(); - - cPk.addMethod(new BcPublicKeyKeyEncryptionMethodGenerator(puK)); - - cbOut = new ByteArrayOutputStream(); - - cOut = cPk.open(cbOut, text.length); - - cOut.write(text); - - cOut.close(); - - pgpF = new JcaPGPObjectFactory(cbOut.toByteArray()); - - encList = (PGPEncryptedDataList)pgpF.nextObject(); - - encP = (PGPPublicKeyEncryptedData)encList.get(0); - - pgpPrivKey = elGamalKeyPair.getPrivateKey(); - - // Note: This is where an exception would be expected if the P size causes problems - clear = encP.getDataStream(new BcPublicKeyDataDecryptorFactory(pgpPrivKey)); - - ByteArrayOutputStream dec = new ByteArrayOutputStream(); - - int b; - while ((b = clear.read()) >= 0) - { - dec.write(b); - } - - byte[] decText = dec.toByteArray(); - - if (!areEqual(text, decText)) - { - fail("decrypted message incorrect"); - } - } - - // check sub key encoding - - it = pgpPub.getPublicKeys(); - while (it.hasNext()) - { - PGPPublicKey pgpKey = (PGPPublicKey)it.next(); - - if (!pgpKey.isMasterKey()) - { - byte[] kEnc = pgpKey.getEncoded(); - - JcaPGPObjectFactory objF = new JcaPGPObjectFactory(kEnc); - - PGPPublicKey k = (PGPPublicKey)objF.nextObject(); - - pKey = keyConverter.getPublicKey(k); - pgpKeyID = k.getKeyID(); - if (k.getBitStrength() != 1024) - { - fail("failed - key strength reported incorrectly."); - } - - if (objF.nextObject() != null) - { - fail("failed - stream not fully parsed."); - } - } - } - - } - catch (PGPException e) - { - fail("exception: " + e.getMessage(), e.getUnderlyingException()); - } - } - - public String getName() - { - return "PGPDSAElGamalTest"; - } - - public static void main( - String[] args) - { - Security.addProvider(new BouncyCastleProvider()); - - runTest(new BcPGPDSAElGamalTest()); - } -} |