diff options
Diffstat (limited to 'libraries/spongycastle/prov/src/test/java/org/spongycastle/jce/provider/test/DHTest.java')
-rw-r--r-- | libraries/spongycastle/prov/src/test/java/org/spongycastle/jce/provider/test/DHTest.java | 934 |
1 files changed, 934 insertions, 0 deletions
diff --git a/libraries/spongycastle/prov/src/test/java/org/spongycastle/jce/provider/test/DHTest.java b/libraries/spongycastle/prov/src/test/java/org/spongycastle/jce/provider/test/DHTest.java new file mode 100644 index 000000000..5d1fadcdc --- /dev/null +++ b/libraries/spongycastle/prov/src/test/java/org/spongycastle/jce/provider/test/DHTest.java @@ -0,0 +1,934 @@ +package org.spongycastle.jce.provider.test; + +import java.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; +import java.io.ObjectInputStream; +import java.io.ObjectOutputStream; +import java.math.BigInteger; +import java.security.AlgorithmParameterGenerator; +import java.security.AlgorithmParameters; +import java.security.Key; +import java.security.KeyFactory; +import java.security.KeyPair; +import java.security.KeyPairGenerator; +import java.security.SecureRandom; +import java.security.Security; +import java.security.interfaces.ECPrivateKey; +import java.security.interfaces.ECPublicKey; +import java.security.spec.ECFieldFp; +import java.security.spec.ECParameterSpec; +import java.security.spec.EllipticCurve; +import java.security.spec.PKCS8EncodedKeySpec; +import java.security.spec.X509EncodedKeySpec; + +import javax.crypto.KeyAgreement; +import javax.crypto.SecretKey; +import javax.crypto.interfaces.DHPrivateKey; +import javax.crypto.interfaces.DHPublicKey; +import javax.crypto.spec.DESKeySpec; +import javax.crypto.spec.DESedeKeySpec; +import javax.crypto.spec.DHParameterSpec; +import javax.crypto.spec.DHPrivateKeySpec; +import javax.crypto.spec.DHPublicKeySpec; + +import org.spongycastle.asn1.pkcs.PKCSObjectIdentifiers; +import org.spongycastle.jcajce.provider.config.ConfigurableProvider; +import org.spongycastle.jce.ECPointUtil; +import org.spongycastle.jce.interfaces.PKCS12BagAttributeCarrier; +import org.spongycastle.jce.provider.BouncyCastleProvider; +import org.spongycastle.util.Arrays; +import org.spongycastle.util.encoders.Base64; +import org.spongycastle.util.encoders.Hex; +import org.spongycastle.util.test.SimpleTest; + +public class DHTest + extends SimpleTest +{ + private BigInteger g512 = new BigInteger("153d5d6172adb43045b68ae8e1de1070b6137005686d29d3d73a7749199681ee5b212c9b96bfdcfa5b20cd5e3fd2044895d609cf9b410b7a0f12ca1cb9a428cc", 16); + private BigInteger p512 = new BigInteger("9494fec095f3b85ee286542b3836fc81a5dd0a0349b4c239dd38744d488cf8e31db8bcb7d33b41abb9e5a33cca9144b1cef332c94bf0573bf047a3aca98cdf3b", 16); + + private BigInteger g768 = new BigInteger("7c240073c1316c621df461b71ebb0cdcc90a6e5527e5e126633d131f87461c4dc4afc60c2cb0f053b6758871489a69613e2a8b4c8acde23954c08c81cbd36132cfd64d69e4ed9f8e51ed6e516297206672d5c0a69135df0a5dcf010d289a9ca1", 16); + private BigInteger p768 = new BigInteger("8c9dd223debed1b80103b8b309715be009d48860ed5ae9b9d5d8159508efd802e3ad4501a7f7e1cfec78844489148cd72da24b21eddd01aa624291c48393e277cfc529e37075eccef957f3616f962d15b44aeab4039d01b817fde9eaa12fd73f", 16); + + private BigInteger g1024 = new BigInteger("1db17639cdf96bc4eabba19454f0b7e5bd4e14862889a725c96eb61048dcd676ceb303d586e30f060dbafd8a571a39c4d823982117da5cc4e0f89c77388b7a08896362429b94a18a327604eb7ff227bffbc83459ade299e57b5f77b50fb045250934938efa145511166e3197373e1b5b1e52de713eb49792bedde722c6717abf", 16); + private BigInteger p1024 = new BigInteger("a00e283b3c624e5b2b4d9fbc2653b5185d99499b00fd1bf244c6f0bb817b4d1c451b2958d62a0f8a38caef059fb5ecd25d75ed9af403f5b5bdab97a642902f824e3c13789fed95fa106ddfe0ff4a707c85e2eb77d49e68f2808bcea18ce128b178cd287c6bc00efa9a1ad2a673fe0dceace53166f75b81d6709d5f8af7c66bb7", 16); + + // public key with mismatched oid/parameters + private byte[] oldPubEnc = Base64.decode( + "MIIBnzCCARQGByqGSM4+AgEwggEHAoGBAPxSrN417g43VAM9sZRf1dt6AocAf7D6" + + "WVCtqEDcBJrMzt63+g+BNJzhXVtbZ9kp9vw8L/0PHgzv0Ot/kOLX7Khn+JalOECW" + + "YlkyBhmOVbjR79TY5u2GAlvG6pqpizieQNBCEMlUuYuK1Iwseil6VoRuA13Zm7uw" + + "WO1eZmaJtY7LAoGAQaPRCFKM5rEdkMrV9FNzeSsYRs8m3DqPnnJHpuySpyO9wUcX" + + "OOJcJY5qvHbDO5SxHXu/+bMgXmVT6dXI5o0UeYqJR7fj6pR4E6T0FwG55RFr5Ok4" + + "3C4cpXmaOu176SyWuoDqGs1RDGmYQjwbZUi23DjaaTFUly9LCYXMliKrQfEDgYQA" + + "AoGAQUGCBN4TaBw1BpdBXdTvTfCU69XDB3eyU2FOBE3UWhpx9D8XJlx4f5DpA4Y6" + + "6sQMuCbhfmjEph8W7/sbMurM/awR+PSR8tTY7jeQV0OkmAYdGK2nzh0ZSifMO1oE" + + "NNhN2O62TLs67msxT28S4/S89+LMtc98mevQ2SX+JF3wEVU="); + + // bogus key with full PKCS parameter set + private byte[] oldFullParams = Base64.decode( + "MIIBIzCCARgGByqGSM4+AgEwggELAoGBAP1/U4EddRIpUt9KnC7s5Of2EbdSPO9E" + + "AMMeP4C2USZpRV1AIlH7WT2NWPq/xfW6MPbLm1Vs14E7gB00b/JmYLdrmVClpJ+f" + + "6AR7ECLCT7up1/63xhv4O1fnxqimFQ8E+4P208UewwI1VBNaFpEy9nXzrith1yrv" + + "8iIDGZ3RSAHHAoGBAPfhoIXWmz3ey7yrXDa4V7l5lK+7+jrqgvlXTAs9B4JnUVlX" + + "jrrUWU/mcQcQgYC0SRZxI+hMKBYTt88JMozIpuE8FnqLVHyNKOCjrh4rs6Z1kW6j" + + "fwv6ITVi8ftiegEkO8yk8b6oUZCJqIPf4VrlnwaSi2ZegHtVJWQBTDv+z0kqAgFk" + + "AwUAAgIH0A=="); + + private byte[] samplePubEnc = Base64.decode( + "MIIBpjCCARsGCSqGSIb3DQEDATCCAQwCgYEA/X9TgR11EilS30qcLuzk5/YRt1I8" + + "70QAwx4/gLZRJmlFXUAiUftZPY1Y+r/F9bow9subVWzXgTuAHTRv8mZgt2uZUKWk" + + "n5/oBHsQIsJPu6nX/rfGG/g7V+fGqKYVDwT7g/bTxR7DAjVUE1oWkTL2dfOuK2HX" + + "Ku/yIgMZndFIAccCgYEA9+GghdabPd7LvKtcNrhXuXmUr7v6OuqC+VdMCz0HgmdR" + + "WVeOutRZT+ZxBxCBgLRJFnEj6EwoFhO3zwkyjMim4TwWeotUfI0o4KOuHiuzpnWR" + + "bqN/C/ohNWLx+2J6ASQ7zKTxvqhRkImog9/hWuWfBpKLZl6Ae1UlZAFMO/7PSSoC" + + "AgIAA4GEAAKBgEIiqxoUW6E6GChoOgcfNbVFclW91ITf5MFSUGQwt2R0RHoOhxvO" + + "lZhNs++d0VPATLAyXovjfgENT9SGCbuZttYcqqLdKTbMXBWPek+rfnAl9E4iEMED" + + "IDd83FJTKs9hQcPAm7zmp0Xm1bGF9CbUFjP5G02265z7eBmHDaT0SNlB"); + + private byte[] samplePrivEnc = Base64.decode( + "MIIBZgIBADCCARsGCSqGSIb3DQEDATCCAQwCgYEA/X9TgR11EilS30qcLuzk5/YR" + + "t1I870QAwx4/gLZRJmlFXUAiUftZPY1Y+r/F9bow9subVWzXgTuAHTRv8mZgt2uZ" + + "UKWkn5/oBHsQIsJPu6nX/rfGG/g7V+fGqKYVDwT7g/bTxR7DAjVUE1oWkTL2dfOu" + + "K2HXKu/yIgMZndFIAccCgYEA9+GghdabPd7LvKtcNrhXuXmUr7v6OuqC+VdMCz0H" + + "gmdRWVeOutRZT+ZxBxCBgLRJFnEj6EwoFhO3zwkyjMim4TwWeotUfI0o4KOuHiuz" + + "pnWRbqN/C/ohNWLx+2J6ASQ7zKTxvqhRkImog9/hWuWfBpKLZl6Ae1UlZAFMO/7P" + + "SSoCAgIABEICQAZYXnBHazxXUUdFP4NIf2Ipu7du0suJPZQKKff81wymi2zfCfHh" + + "uhe9gQ9xdm4GpzeNtrQ8/MzpTy+ZVrtd29Q="); + + public String getName() + { + return "DH"; + } + + private void testGP( + String algName, + int size, + int privateValueSize, + BigInteger g, + BigInteger p) + throws Exception + { + DHParameterSpec dhParams = new DHParameterSpec(p, g, privateValueSize); + + KeyPairGenerator keyGen = KeyPairGenerator.getInstance(algName, "SC"); + + keyGen.initialize(dhParams); + + testTwoParty(algName, size, privateValueSize, keyGen); + + KeyPair aKeyPair = keyGen.generateKeyPair(); + + // + // public key encoding test + // + byte[] pubEnc = aKeyPair.getPublic().getEncoded(); + KeyFactory keyFac = KeyFactory.getInstance(algName, "SC"); + X509EncodedKeySpec pubX509 = new X509EncodedKeySpec(pubEnc); + DHPublicKey pubKey = (DHPublicKey)keyFac.generatePublic(pubX509); + DHParameterSpec spec = pubKey.getParams(); + + if (!spec.getG().equals(dhParams.getG()) || !spec.getP().equals(dhParams.getP())) + { + fail(size + " bit public key encoding/decoding test failed on parameters"); + } + + if (!((DHPublicKey)aKeyPair.getPublic()).getY().equals(pubKey.getY())) + { + fail(size + " bit public key encoding/decoding test failed on y value"); + } + + // + // public key serialisation test + // + pubKey = (DHPublicKey)serializeDeserialize(aKeyPair.getPublic()); + spec = pubKey.getParams(); + + if (!spec.getG().equals(dhParams.getG()) || !spec.getP().equals(dhParams.getP())) + { + fail(size + " bit public key serialisation test failed on parameters"); + } + + if (!((DHPublicKey)aKeyPair.getPublic()).getY().equals(pubKey.getY())) + { + fail(size + " bit public key serialisation test failed on y value"); + } + + if (!aKeyPair.getPublic().equals(pubKey)) + { + fail("equals test failed"); + } + + if (aKeyPair.getPublic().hashCode() != pubKey.hashCode()) + { + fail("hashCode test failed"); + } + + // + // private key encoding test + // + byte[] privEnc = aKeyPair.getPrivate().getEncoded(); + PKCS8EncodedKeySpec privPKCS8 = new PKCS8EncodedKeySpec(privEnc); + DHPrivateKey privKey = (DHPrivateKey)keyFac.generatePrivate(privPKCS8); + + spec = privKey.getParams(); + + if (!spec.getG().equals(dhParams.getG()) || !spec.getP().equals(dhParams.getP())) + { + fail(size + " bit private key encoding/decoding test failed on parameters"); + } + + if (!((DHPrivateKey)aKeyPair.getPrivate()).getX().equals(privKey.getX())) + { + fail(size + " bit private key encoding/decoding test failed on y value"); + } + + // + // private key serialisation test + // + privKey = (DHPrivateKey)serializeDeserialize(aKeyPair.getPrivate()); + spec = privKey.getParams(); + + if (!spec.getG().equals(dhParams.getG()) || !spec.getP().equals(dhParams.getP())) + { + fail(size + " bit private key serialisation test failed on parameters"); + } + + if (!((DHPrivateKey)aKeyPair.getPrivate()).getX().equals(privKey.getX())) + { + fail(size + " bit private key serialisation test failed on X value"); + } + + if (!aKeyPair.getPrivate().equals(privKey)) + { + fail("equals test failed"); + } + + if (aKeyPair.getPrivate().hashCode() != privKey.hashCode()) + { + fail("hashCode test failed"); + } + + if (!(privKey instanceof PKCS12BagAttributeCarrier)) + { + fail("private key not implementing PKCS12 attribute carrier"); + } + + // + // three party test + // + KeyPairGenerator aPairGen = KeyPairGenerator.getInstance(algName, "SC"); + aPairGen.initialize(spec); + KeyPair aPair = aPairGen.generateKeyPair(); + + KeyPairGenerator bPairGen = KeyPairGenerator.getInstance(algName, "SC"); + bPairGen.initialize(spec); + KeyPair bPair = bPairGen.generateKeyPair(); + + KeyPairGenerator cPairGen = KeyPairGenerator.getInstance(algName, "SC"); + cPairGen.initialize(spec); + KeyPair cPair = cPairGen.generateKeyPair(); + + KeyAgreement aKeyAgree = KeyAgreement.getInstance(algName, "SC"); + aKeyAgree.init(aPair.getPrivate()); + + KeyAgreement bKeyAgree = KeyAgreement.getInstance(algName, "SC"); + bKeyAgree.init(bPair.getPrivate()); + + KeyAgreement cKeyAgree = KeyAgreement.getInstance(algName, "SC"); + cKeyAgree.init(cPair.getPrivate()); + + Key ac = aKeyAgree.doPhase(cPair.getPublic(), false); + + Key ba = bKeyAgree.doPhase(aPair.getPublic(), false); + + Key cb = cKeyAgree.doPhase(bPair.getPublic(), false); + + aKeyAgree.doPhase(cb, true); + + bKeyAgree.doPhase(ac, true); + + cKeyAgree.doPhase(ba, true); + + BigInteger aShared = new BigInteger(aKeyAgree.generateSecret()); + BigInteger bShared = new BigInteger(bKeyAgree.generateSecret()); + BigInteger cShared = new BigInteger(cKeyAgree.generateSecret()); + + if (!aShared.equals(bShared)) + { + fail(size + " bit 3-way test failed (a and b differ)"); + } + + if (!cShared.equals(bShared)) + { + fail(size + " bit 3-way test failed (c and b differ)"); + } + } + + private void testTwoParty(String algName, int size, int privateValueSize, KeyPairGenerator keyGen) + throws Exception + { + testTwoParty(algName, size, privateValueSize, keyGen.generateKeyPair(), keyGen.generateKeyPair()); + } + + private byte[] testTwoParty(String algName, int size, int privateValueSize, KeyPair aKeyPair, KeyPair bKeyPair) + throws Exception + { + // + // a side + // + KeyAgreement aKeyAgree = KeyAgreement.getInstance(algName, "SC"); + + checkKeySize(privateValueSize, aKeyPair); + + aKeyAgree.init(aKeyPair.getPrivate()); + + // + // b side + // + KeyAgreement bKeyAgree = KeyAgreement.getInstance(algName, "SC"); + + checkKeySize(privateValueSize, bKeyPair); + + bKeyAgree.init(bKeyPair.getPrivate()); + + // + // agreement + // + aKeyAgree.doPhase(bKeyPair.getPublic(), true); + bKeyAgree.doPhase(aKeyPair.getPublic(), true); + + byte[] aSecret = aKeyAgree.generateSecret(); + byte[] bSecret = bKeyAgree.generateSecret(); + + if (!Arrays.areEqual(aSecret, bSecret)) + { + fail(size + " bit 2-way test failed"); + } + + return aSecret; + } + + private void testExplicitWrapping( + int size, + int privateValueSize, + BigInteger g, + BigInteger p) + throws Exception + { + DHParameterSpec dhParams = new DHParameterSpec(p, g, privateValueSize); + + KeyPairGenerator keyGen = KeyPairGenerator.getInstance("DH", "SC"); + + keyGen.initialize(dhParams); + + // + // a side + // + KeyPair aKeyPair = keyGen.generateKeyPair(); + + KeyAgreement aKeyAgree = KeyAgreement.getInstance("DH", "SC"); + + checkKeySize(privateValueSize, aKeyPair); + + aKeyAgree.init(aKeyPair.getPrivate()); + + // + // b side + // + KeyPair bKeyPair = keyGen.generateKeyPair(); + + KeyAgreement bKeyAgree = KeyAgreement.getInstance("DH", "SC"); + + checkKeySize(privateValueSize, bKeyPair); + + bKeyAgree.init(bKeyPair.getPrivate()); + + // + // agreement + // + aKeyAgree.doPhase(bKeyPair.getPublic(), true); + bKeyAgree.doPhase(aKeyPair.getPublic(), true); + + SecretKey k1 = aKeyAgree.generateSecret(PKCSObjectIdentifiers.id_alg_CMS3DESwrap.getId()); + SecretKey k2 = bKeyAgree.generateSecret(PKCSObjectIdentifiers.id_alg_CMS3DESwrap.getId()); + + // TODO Compare k1 and k2? + } + + private Object serializeDeserialize(Object o) + throws Exception + { + ByteArrayOutputStream bOut = new ByteArrayOutputStream(); + ObjectOutputStream oOut = new ObjectOutputStream(bOut); + + oOut.writeObject(o); + oOut.close(); + + ObjectInputStream oIn = new ObjectInputStream(new ByteArrayInputStream(bOut.toByteArray())); + + return oIn.readObject(); + } + + private void checkKeySize(int privateValueSize, KeyPair aKeyPair) + { + if (privateValueSize != 0) + { + DHPrivateKey key = (DHPrivateKey)aKeyPair.getPrivate(); + + if (key.getX().bitLength() != privateValueSize) + { + fail("limited key check failed for key size " + privateValueSize); + } + } + } + + private void testRandom( + int size) + throws Exception + { + AlgorithmParameterGenerator a = AlgorithmParameterGenerator.getInstance("DH", "SC"); + a.init(size, new SecureRandom()); + AlgorithmParameters params = a.generateParameters(); + + byte[] encodeParams = params.getEncoded(); + + AlgorithmParameters a2 = AlgorithmParameters.getInstance("DH", "SC"); + a2.init(encodeParams); + + // a and a2 should be equivalent! + byte[] encodeParams_2 = a2.getEncoded(); + + if (!areEqual(encodeParams, encodeParams_2)) + { + fail("encode/decode parameters failed"); + } + + DHParameterSpec dhP = (DHParameterSpec)params.getParameterSpec(DHParameterSpec.class); + + testGP("DH", size, 0, dhP.getG(), dhP.getP()); + } + + private void testDefault( + int privateValueSize, + BigInteger g, + BigInteger p) + throws Exception + { + DHParameterSpec dhParams = new DHParameterSpec(p, g, privateValueSize); + String algName = "DH"; + int size = p.bitLength(); + + new BouncyCastleProvider().setParameter(ConfigurableProvider.DH_DEFAULT_PARAMS, dhParams); + + KeyPairGenerator keyGen = KeyPairGenerator.getInstance(algName, "SC"); + + keyGen.initialize(dhParams.getP().bitLength()); + + testTwoParty("DH", size, privateValueSize, keyGen); + + KeyPair aKeyPair = keyGen.generateKeyPair(); + + new BouncyCastleProvider().setParameter(ConfigurableProvider.DH_DEFAULT_PARAMS, null); + + // + // public key encoding test + // + byte[] pubEnc = aKeyPair.getPublic().getEncoded(); + KeyFactory keyFac = KeyFactory.getInstance(algName, "SC"); + X509EncodedKeySpec pubX509 = new X509EncodedKeySpec(pubEnc); + DHPublicKey pubKey = (DHPublicKey)keyFac.generatePublic(pubX509); + DHParameterSpec spec = pubKey.getParams(); + + if (!spec.getG().equals(dhParams.getG()) || !spec.getP().equals(dhParams.getP())) + { + fail(size + " bit public key encoding/decoding test failed on parameters"); + } + + if (!((DHPublicKey)aKeyPair.getPublic()).getY().equals(pubKey.getY())) + { + fail(size + " bit public key encoding/decoding test failed on y value"); + } + + // + // public key serialisation test + // + ByteArrayOutputStream bOut = new ByteArrayOutputStream(); + ObjectOutputStream oOut = new ObjectOutputStream(bOut); + + oOut.writeObject(aKeyPair.getPublic()); + + ByteArrayInputStream bIn = new ByteArrayInputStream(bOut.toByteArray()); + ObjectInputStream oIn = new ObjectInputStream(bIn); + + pubKey = (DHPublicKey)oIn.readObject(); + spec = pubKey.getParams(); + + if (!spec.getG().equals(dhParams.getG()) || !spec.getP().equals(dhParams.getP())) + { + fail(size + " bit public key serialisation test failed on parameters"); + } + + if (!((DHPublicKey)aKeyPair.getPublic()).getY().equals(pubKey.getY())) + { + fail(size + " bit public key serialisation test failed on y value"); + } + + // + // private key encoding test + // + byte[] privEnc = aKeyPair.getPrivate().getEncoded(); + PKCS8EncodedKeySpec privPKCS8 = new PKCS8EncodedKeySpec(privEnc); + DHPrivateKey privKey = (DHPrivateKey)keyFac.generatePrivate(privPKCS8); + + spec = privKey.getParams(); + + if (!spec.getG().equals(dhParams.getG()) || !spec.getP().equals(dhParams.getP())) + { + fail(size + " bit private key encoding/decoding test failed on parameters"); + } + + if (!((DHPrivateKey)aKeyPair.getPrivate()).getX().equals(privKey.getX())) + { + fail(size + " bit private key encoding/decoding test failed on y value"); + } + + // + // private key serialisation test + // + bOut = new ByteArrayOutputStream(); + oOut = new ObjectOutputStream(bOut); + + oOut.writeObject(aKeyPair.getPrivate()); + + bIn = new ByteArrayInputStream(bOut.toByteArray()); + oIn = new ObjectInputStream(bIn); + + privKey = (DHPrivateKey)oIn.readObject(); + spec = privKey.getParams(); + + if (!spec.getG().equals(dhParams.getG()) || !spec.getP().equals(dhParams.getP())) + { + fail(size + " bit private key serialisation test failed on parameters"); + } + + if (!((DHPrivateKey)aKeyPair.getPrivate()).getX().equals(privKey.getX())) + { + fail(size + " bit private key serialisation test failed on y value"); + } + + // + // three party test + // + KeyPairGenerator aPairGen = KeyPairGenerator.getInstance(algName, "SC"); + aPairGen.initialize(spec); + KeyPair aPair = aPairGen.generateKeyPair(); + + KeyPairGenerator bPairGen = KeyPairGenerator.getInstance(algName, "SC"); + bPairGen.initialize(spec); + KeyPair bPair = bPairGen.generateKeyPair(); + + KeyPairGenerator cPairGen = KeyPairGenerator.getInstance(algName, "SC"); + cPairGen.initialize(spec); + KeyPair cPair = cPairGen.generateKeyPair(); + + KeyAgreement aKeyAgree = KeyAgreement.getInstance(algName, "SC"); + aKeyAgree.init(aPair.getPrivate()); + + KeyAgreement bKeyAgree = KeyAgreement.getInstance(algName, "SC"); + bKeyAgree.init(bPair.getPrivate()); + + KeyAgreement cKeyAgree = KeyAgreement.getInstance(algName, "SC"); + cKeyAgree.init(cPair.getPrivate()); + + Key ac = aKeyAgree.doPhase(cPair.getPublic(), false); + + Key ba = bKeyAgree.doPhase(aPair.getPublic(), false); + + Key cb = cKeyAgree.doPhase(bPair.getPublic(), false); + + aKeyAgree.doPhase(cb, true); + + bKeyAgree.doPhase(ac, true); + + cKeyAgree.doPhase(ba, true); + + BigInteger aShared = new BigInteger(aKeyAgree.generateSecret()); + BigInteger bShared = new BigInteger(bKeyAgree.generateSecret()); + BigInteger cShared = new BigInteger(cKeyAgree.generateSecret()); + + if (!aShared.equals(bShared)) + { + fail(size + " bit 3-way test failed (a and b differ)"); + } + + if (!cShared.equals(bShared)) + { + fail(size + " bit 3-way test failed (c and b differ)"); + } + } + private void testECDH(String algorithm) + throws Exception + { + KeyPairGenerator g = KeyPairGenerator.getInstance(algorithm, "SC"); + + EllipticCurve curve = new EllipticCurve( + new ECFieldFp(new BigInteger("883423532389192164791648750360308885314476597252960362792450860609699839")), // q + new BigInteger("7fffffffffffffffffffffff7fffffffffff8000000000007ffffffffffc", 16), // a + new BigInteger("6b016c3bdcf18941d0d654921475ca71a9db2fb27d1d37796185c2942c0a", 16)); // b + + ECParameterSpec ecSpec = new ECParameterSpec( + curve, + ECPointUtil.decodePoint(curve, Hex.decode("020ffa963cdca8816ccc33b8642bedf905c3d358573d3f27fbbd3b3cb9aaaf")), // G + new BigInteger("883423532389192164791648750360308884807550341691627752275345424702807307"), // n + 1); // h + + g.initialize(ecSpec, new SecureRandom()); + + // + // a side + // + KeyPair aKeyPair = g.generateKeyPair(); + + KeyAgreement aKeyAgree = KeyAgreement.getInstance(algorithm, "SC"); + + aKeyAgree.init(aKeyPair.getPrivate()); + + // + // b side + // + KeyPair bKeyPair = g.generateKeyPair(); + + KeyAgreement bKeyAgree = KeyAgreement.getInstance(algorithm, "SC"); + + bKeyAgree.init(bKeyPair.getPrivate()); + + // + // agreement + // + aKeyAgree.doPhase(bKeyPair.getPublic(), true); + bKeyAgree.doPhase(aKeyPair.getPublic(), true); + + BigInteger k1 = new BigInteger(aKeyAgree.generateSecret()); + BigInteger k2 = new BigInteger(bKeyAgree.generateSecret()); + + if (!k1.equals(k2)) + { + fail(algorithm + " 2-way test failed"); + } + + // + // public key encoding test + // + byte[] pubEnc = aKeyPair.getPublic().getEncoded(); + KeyFactory keyFac = KeyFactory.getInstance(algorithm, "SC"); + X509EncodedKeySpec pubX509 = new X509EncodedKeySpec(pubEnc); + ECPublicKey pubKey = (ECPublicKey)keyFac.generatePublic(pubX509); + + if (!pubKey.getW().equals(((ECPublicKey)aKeyPair.getPublic()).getW())) + { + System.out.println(" expected " + pubKey.getW().getAffineX() + " got " + ((ECPublicKey)aKeyPair.getPublic()).getW().getAffineX()); + System.out.println(" expected " + pubKey.getW().getAffineY() + " got " + ((ECPublicKey)aKeyPair.getPublic()).getW().getAffineY()); + fail(algorithm + " public key encoding (W test) failed"); + } + + if (!pubKey.getParams().getGenerator().equals(((ECPublicKey)aKeyPair.getPublic()).getParams().getGenerator())) + { + fail(algorithm + " public key encoding (G test) failed"); + } + + // + // private key encoding test + // + byte[] privEnc = aKeyPair.getPrivate().getEncoded(); + PKCS8EncodedKeySpec privPKCS8 = new PKCS8EncodedKeySpec(privEnc); + ECPrivateKey privKey = (ECPrivateKey)keyFac.generatePrivate(privPKCS8); + + if (!privKey.getS().equals(((ECPrivateKey)aKeyPair.getPrivate()).getS())) + { + fail(algorithm + " private key encoding (S test) failed"); + } + + if (!privKey.getParams().getGenerator().equals(((ECPrivateKey)aKeyPair.getPrivate()).getParams().getGenerator())) + { + fail(algorithm + " private key encoding (G test) failed"); + } + } + + private void testExceptions() + { + try + { + KeyAgreement aKeyAgree = KeyAgreement.getInstance("DH", "SC"); + + aKeyAgree.generateSecret("DES"); + } + catch (IllegalStateException e) + { + // okay + } + catch (Exception e) + { + fail("Unexpected exception: " + e, e); + } + } + + private void testDESAndDESede(BigInteger g, BigInteger p) + throws Exception + { + DHParameterSpec dhParams = new DHParameterSpec(p, g, 256); + + KeyPairGenerator keyGen = KeyPairGenerator.getInstance("DH", "SC"); + + keyGen.initialize(dhParams); + + KeyPair kp = keyGen.generateKeyPair(); + + KeyAgreement keyAgreement = KeyAgreement.getInstance("DH", "SC"); + + keyAgreement.init(kp.getPrivate()); + keyAgreement.doPhase(kp.getPublic(), true); + + SecretKey key = keyAgreement.generateSecret("DES"); + + if (key.getEncoded().length != 8) + { + fail("DES length wrong"); + } + + if (!DESKeySpec.isParityAdjusted(key.getEncoded(), 0)) + { + fail("DES parity wrong"); + } + + key = keyAgreement.generateSecret("DESEDE"); + + if (key.getEncoded().length != 24) + { + fail("DESEDE length wrong"); + } + + if (!DESedeKeySpec.isParityAdjusted(key.getEncoded(), 0)) + { + fail("DESEDE parity wrong"); + } + + key = keyAgreement.generateSecret("Blowfish"); + + if (key.getEncoded().length != 16) + { + fail("Blowfish length wrong"); + } + } + + private void testInitialise() + throws Exception + { + KeyPairGenerator keyGen = KeyPairGenerator.getInstance("DH", "SC"); + + keyGen.initialize(512); + + keyGen.generateKeyPair(); + + testTwoParty("DH", 512, 0, keyGen); + } + + private void testSmallSecret() + throws Exception + { + BigInteger p = new BigInteger("ff3b512a4cc0961fa625d6cbd9642c377ece46b8dbc3146a98e0567f944034b5e3a1406edb179a77cd2539bdb74dc819f0a74d486606e26e578ff52c5242a5ff", 16); + BigInteger g = new BigInteger("58a66667431136e99d86de8199eb650a21afc9de3dd4ef9da6dfe89c866e928698952d95e68b418becef26f23211572eebfcbf328809bdaf02bba3d24c74f8c0", 16); + + DHPrivateKeySpec aPrivSpec = new DHPrivateKeySpec( + new BigInteger("30a6ea4e2240a42867ad98bd3adbfd5b81aba48bd930f20a595983d807566f7cba4e766951efef2c6c0c1be3823f63d66e12c2a091d5ff3bbeb1ea6e335d072d", 16), p, g); + DHPublicKeySpec aPubSpec = new DHPublicKeySpec( + new BigInteger("694dfea1bfc8897e2fcbfd88033ab34f4581892d7d5cc362dc056e3d43955accda12222bd651ca31c85f008a05dea914de68828dfd83a54a340fa84f3bbe6caf", 16), p, g); + + DHPrivateKeySpec bPrivSpec = new DHPrivateKeySpec( + new BigInteger("775b1e7e162190700e2212dd8e4aaacf8a2af92c9c108b81d5bf9a14548f494eaa86a6c4844b9512eb3e3f2f22ffec44c795c813edfea13f075b99bbdebb34bd", 16), p, g); + + DHPublicKeySpec bPubSpec = new DHPublicKeySpec( + new BigInteger("d8ddd4ff9246635eadbfa0bc2ef06d98a329b6e8cd2d1435d7b4921467570e697c9a9d3c172c684626a9d2b6b2fa0fc725d5b91f9a9625b717a4169bc714b064", 16), p, g); + + KeyFactory kFact = KeyFactory.getInstance("DH", "SC"); + + byte[] secret = testTwoParty("DH", 512, 0, new KeyPair(kFact.generatePublic(aPubSpec), kFact.generatePrivate(aPrivSpec)), new KeyPair(kFact.generatePublic(bPubSpec), kFact.generatePrivate(bPrivSpec))); + + if (secret.length != ((p.bitLength() + 7) / 8)) + { + fail("short secret wrong length"); + } + + if (!Arrays.areEqual(Hex.decode("00340d3309ddc86e99e2f0be4fc212837bfb5c59336b09b9e1aeb1884b72c8b485b56723d0bf1c1d37fc89a292fc1cface9125106f1df15f55f22e4f77c5879b"), secret)) + { + fail("short secret mismatch"); + } + } + + private void testEnc() + throws Exception + { + KeyFactory kFact = KeyFactory.getInstance("DH", "SC"); + + Key k = kFact.generatePrivate(new PKCS8EncodedKeySpec(samplePrivEnc)); + + if (!Arrays.areEqual(samplePrivEnc, k.getEncoded())) + { + fail("private key re-encode failed"); + } + + k = kFact.generatePublic(new X509EncodedKeySpec(samplePubEnc)); + + if (!Arrays.areEqual(samplePubEnc, k.getEncoded())) + { + fail("public key re-encode failed"); + } + + k = kFact.generatePublic(new X509EncodedKeySpec(oldPubEnc)); + + if (!Arrays.areEqual(oldPubEnc, k.getEncoded())) + { + fail("old public key re-encode failed"); + } + + k = kFact.generatePublic(new X509EncodedKeySpec(oldFullParams)); + + if (!Arrays.areEqual(oldFullParams, k.getEncoded())) + { + fail("old full public key re-encode failed"); + } + } + + private void testConfig() + { + ConfigurableProvider prov = new BouncyCastleProvider(); + + DHParameterSpec dhSpec512 = new DHParameterSpec( + new BigInteger("fca682ce8e12caba26efccf7110e526db078b05edecbcd1eb4a208f3ae1617ae01f35b91a47e6df63413c5e12ed0899bcd132acd50d99151bdc43ee737592e17", 16), + new BigInteger("678471b27a9cf44ee91a49c5147db1a9aaf244f05a434d6486931d2d14271b9e35030b71fd73da179069b32e2935630e1c2062354d0da20a6c416e50be794ca4", 16), + 384); + + DHParameterSpec dhSpec768 = new DHParameterSpec( + new BigInteger("e9e642599d355f37c97ffd3567120b8e25c9cd43e927b3a9670fbec5d890141922d2c3b3ad2480093799869d1e846aab49fab0ad26d2ce6a22219d470bce7d777d4a21fbe9c270b57f607002f3cef8393694cf45ee3688c11a8c56ab127a3daf", 16), + new BigInteger("30470ad5a005fb14ce2d9dcd87e38bc7d1b1c5facbaecbe95f190aa7a31d23c4dbbcbe06174544401a5b2c020965d8c2bd2171d3668445771f74ba084d2029d83c1c158547f3a9f1a2715be23d51ae4d3e5a1f6a7064f316933a346d3f529252", 16), + 384); + + DHParameterSpec dhSpec1024 = new DHParameterSpec( + new BigInteger("f7e1a085d69b3ddecbbcab5c36b857b97994afbbfa3aea82f9574c0b3d0782675159578ebad4594fe67107108180b449167123e84c281613b7cf09328cc8a6e13c167a8b547c8d28e0a3ae1e2bb3a675916ea37f0bfa213562f1fb627a01243bcca4f1bea8519089a883dfe15ae59f06928b665e807b552564014c3bfecf492a", 16), + new BigInteger("fd7f53811d75122952df4a9c2eece4e7f611b7523cef4400c31e3f80b6512669455d402251fb593d8d58fabfc5f5ba30f6cb9b556cd7813b801d346ff26660b76b9950a5a49f9fe8047b1022c24fbba9d7feb7c61bf83b57e7c6a8a6150f04fb83f6d3c51ec3023554135a169132f675f3ae2b61d72aeff22203199dd14801c7", 16), + 512); + + prov.setParameter(ConfigurableProvider.DH_DEFAULT_PARAMS, dhSpec512); + + if (!dhSpec512.equals(BouncyCastleProvider.CONFIGURATION.getDHDefaultParameters(512))) + { + fail("config mismatch"); + } + + if (BouncyCastleProvider.CONFIGURATION.getDHDefaultParameters(768) != null) + { + fail("config found when none expected"); + } + + prov.setParameter(ConfigurableProvider.DH_DEFAULT_PARAMS, new DHParameterSpec[] { dhSpec512, dhSpec768, dhSpec1024 }); + + if (!dhSpec512.equals(BouncyCastleProvider.CONFIGURATION.getDHDefaultParameters(512))) + { + fail("512 config mismatch"); + } + + if (!dhSpec768.equals(BouncyCastleProvider.CONFIGURATION.getDHDefaultParameters(768))) + { + fail("768 config mismatch"); + } + + if (!dhSpec1024.equals(BouncyCastleProvider.CONFIGURATION.getDHDefaultParameters(1024))) + { + fail("1024 config mismatch"); + } + + prov.setParameter(ConfigurableProvider.DH_DEFAULT_PARAMS, null); + + if (BouncyCastleProvider.CONFIGURATION.getDHDefaultParameters(512) != null) + { + fail("config found for 512 when none expected"); + } + + if (BouncyCastleProvider.CONFIGURATION.getDHDefaultParameters(768) != null) + { + fail("config found for 768 when none expected"); + } + + prov.setParameter(ConfigurableProvider.THREAD_LOCAL_DH_DEFAULT_PARAMS, dhSpec512); + + if (!dhSpec512.equals(BouncyCastleProvider.CONFIGURATION.getDHDefaultParameters(512))) + { + fail("config mismatch"); + } + + if (BouncyCastleProvider.CONFIGURATION.getDHDefaultParameters(768) != null) + { + fail("config found when none expected"); + } + + prov.setParameter(ConfigurableProvider.THREAD_LOCAL_DH_DEFAULT_PARAMS, new DHParameterSpec[] { dhSpec512, dhSpec768, dhSpec1024 }); + + if (!dhSpec512.equals(BouncyCastleProvider.CONFIGURATION.getDHDefaultParameters(512))) + { + fail("512 config mismatch"); + } + + if (!dhSpec768.equals(BouncyCastleProvider.CONFIGURATION.getDHDefaultParameters(768))) + { + fail("768 config mismatch"); + } + + if (!dhSpec1024.equals(BouncyCastleProvider.CONFIGURATION.getDHDefaultParameters(1024))) + { + fail("1024 config mismatch"); + } + + prov.setParameter(ConfigurableProvider.THREAD_LOCAL_DH_DEFAULT_PARAMS, null); + + if (BouncyCastleProvider.CONFIGURATION.getDHDefaultParameters(512) != null) + { + fail("config found for 512 when none expected"); + } + + if (BouncyCastleProvider.CONFIGURATION.getDHDefaultParameters(768) != null) + { + fail("config found for 768 when none expected"); + } + } + + public void performTest() + throws Exception + { + testDefault(64, g512, p512); + + testEnc(); + testGP("DH", 512, 0, g512, p512); + testGP("DiffieHellman", 768, 0, g768, p768); + testGP("DIFFIEHELLMAN", 1024, 0, g1024, p1024); + testGP("DH", 512, 64, g512, p512); + testGP("DiffieHellman", 768, 128, g768, p768); + testGP("DIFFIEHELLMAN", 1024, 256, g1024, p1024); + testExplicitWrapping(512, 0, g512, p512); + testRandom(256); + testECDH("ECDH"); + testECDH("ECDHC"); + testExceptions(); + testDESAndDESede(g768, p768); + testInitialise(); + testSmallSecret(); + testConfig(); + } + + public static void main( + String[] args) + { + Security.addProvider(new BouncyCastleProvider()); + + runTest(new DHTest()); + } +} |