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The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8. Note: this package includes the NTRU encryption algorithms.

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package org.bouncycastle.crypto.test;

import java.io.ByteArrayInputStream;

import org.bouncycastle.asn1.ASN1InputStream;
import org.bouncycastle.asn1.ASN1OctetString;
import org.bouncycastle.asn1.pkcs.EncryptedPrivateKeyInfo;
import org.bouncycastle.asn1.pkcs.EncryptionScheme;
import org.bouncycastle.asn1.pkcs.KeyDerivationFunc;
import org.bouncycastle.asn1.pkcs.PBES2Parameters;
import org.bouncycastle.asn1.pkcs.PBKDF2Params;
import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers;
import org.bouncycastle.asn1.pkcs.RC2CBCParameter;
import org.bouncycastle.crypto.BufferedBlockCipher;
import org.bouncycastle.crypto.CipherParameters;
import org.bouncycastle.crypto.PBEParametersGenerator;
import org.bouncycastle.crypto.engines.DESEngine;
import org.bouncycastle.crypto.engines.DESedeEngine;
import org.bouncycastle.crypto.engines.RC2Engine;
import org.bouncycastle.crypto.generators.PKCS5S2ParametersGenerator;
import org.bouncycastle.crypto.modes.CBCBlockCipher;
import org.bouncycastle.crypto.paddings.PaddedBufferedBlockCipher;
import org.bouncycastle.crypto.params.KeyParameter;
import org.bouncycastle.crypto.params.ParametersWithIV;
import org.bouncycastle.util.encoders.Base64;
import org.bouncycastle.util.encoders.Hex;
import org.bouncycastle.util.test.SimpleTest;

/**
 * A test class for PKCS5 PBES2 with PBKDF2 (PKCS5 v2.0) using
 * test vectors provider at 
 * 
 * RSA's PKCS5 Page
 * 
* The vectors are Base 64 encoded and encrypted using the password "password" * (without quotes). They should all yield the same PrivateKeyInfo object. */ public class PKCS5Test extends SimpleTest { /** * encrypted using des-cbc. */ static byte[] sample1 = Base64.decode( "MIIBozA9BgkqhkiG9w0BBQ0wMDAbBgkqhkiG9w0BBQwwDgQIfWBDXwLp4K4CAggA" + "MBEGBSsOAwIHBAiaCF/AvOgQ6QSCAWDWX4BdAzCRNSQSANSuNsT5X8mWYO27mr3Y" + "9c9LoBVXGNmYWKA77MI4967f7SmjNcgXj3xNE/jmnVz6hhsjS8E5VPT3kfyVkpdZ" + "0lr5e9Yk2m3JWpPU7++v5zBkZmC4V/MwV/XuIs6U+vykgzMgpxQg0oZKS9zgmiZo" + "f/4dOCL0UtCDnyOSvqT7mCVIcMDIEKu8QbVlgZYBop08l60EuEU3gARUo8WsYQmO" + "Dz/ldx0Z+znIT0SXVuOwc+RVItC5T/Qx+aijmmpt+9l14nmaGBrEkmuhmtdvU/4v" + "aptewGRgmjOfD6cqK+zs0O5NrrJ3P/6ZSxXj91CQgrThGfOv72bUncXEMNtc8pks" + "2jpHFjGMdKufnadAD7XuMgzkkaklEXZ4f5tU6heIIwr51g0GBEGF96gYPFnjnSQM" + "75JE02Clo+DfcfXpcybPTwwFg2jd6JTTOfkdf6OdSlA/1XNK43FA"); /** * encrypted using des-ede3-cbc. */ static byte[] sample2 = Base64.decode( "MIIBpjBABgkqhkiG9w0BBQ0wMzAbBgkqhkiG9w0BBQwwDgQIeFeOWl1jywYCAggA" + "MBQGCCqGSIb3DQMHBAjUJ5eGBhQGtQSCAWBrHrRgqO8UUMLcWzZEtpk1l3mjxiF/" + "koCMkHsFwowgyWhEbgIkTgbSViK54LVK8PskekcGNLph+rB6bGZ7pPbL5pbXASJ8" + "+MkQcG3FZdlS4Ek9tTJDApj3O1UubZGFG4uvTlJJFbF1BOJ3MkY3XQ9Gl1qwv7j5" + "6e103Da7Cq9+oIDKmznza78XXQYrUsPo8mJGjUxPskEYlzwvHjKubRnYm/K6RKhi" + "5f4zX4BQ/Dt3H812ZjRXrsjAJP0KrD/jyD/jCT7zNBVPH1izBds+RwizyQAHwfNJ" + "BFR78TH4cgzB619X47FDVOnT0LqQNVd0O3cSwnPrXE9XR3tPayE+iOB15llFSmi8" + "z0ByOXldEpkezCn92Umk++suzIVj1qfsK+bv2phZWJPbLEIWPDRHUbYf76q5ArAr" + "u4xtxT/hoK3krEs/IN3d70qjlUJ36SEw1UaZ82PWhakQbdtu39ZraMJB"); /** * encrypted using rc2-cbc. */ static byte[] sample3 = Base64.decode( "MIIBrjBIBgkqhkiG9w0BBQ0wOzAeBgkqhkiG9w0BBQwwEQQIrHyQPBZqWLUCAggA" + "AgEQMBkGCCqGSIb3DQMCMA0CAToECEhbh7YZKiPSBIIBYCT1zp6o5jpFlIkgwPop" + "7bW1+8ACr4exqzkeb3WflQ8cWJ4cURxzVdvxUnXeW1VJdaQZtjS/QHs5GhPTG/0f" + "wtvnaPfwrIJ3FeGaZfcg2CrYhalOFmEb4xrE4KyoEQmUN8tb/Cg94uzd16BOPw21" + "RDnE8bnPdIGY7TyL95kbkqH23mK53pi7h+xWIgduW+atIqDyyt55f7WMZcvDvlj6" + "VpN/V0h+qxBHL274WA4dj6GYgeyUFpi60HdGCK7By2TBy8h1ZvKGjmB9h8jZvkx1" + "MkbRumXxyFsowTZawyYvO8Um6lbfEDP9zIEUq0IV8RqH2MRyblsPNSikyYhxX/cz" + "tdDxRKhilySbSBg5Kr8OfcwKp9bpinN96nmG4xr3Tch1bnVvqJzOQ5+Vva2WwVvH" + "2JkWvYm5WaANg4Q6bRxu9vz7DuhbJjQdZbxFezIAgrJdSe92B00jO/0Kny1WjiVO" + "6DA="); static byte[] result = Hex.decode( "30820155020100300d06092a864886f70d01010105000482013f3082013b020100024100" + "debbfc2c09d61bada2a9462f24224e54cc6b3cc0755f15ce318ef57e79df17026b6a85cc" + "a12428027245045df2052a329a2f9ad3d17b78a10572ad9b22bf343b020301000102402d" + "90a96adcec472743527bc023153d8f0d6e96b40c8ed228276d467d843306429f8670559b" + "f376dd41857f6397c2fc8d95e0e53ed62de420b855430ee4a1b8a1022100ffcaf0838239" + "31e073ff534f06a5d415b3d414bc614a4544a3dff7ed271817eb022100deea30242117db" + "2d3b8837f58f1da530ff83cf9283680da33683ec4e583610f1022100e6026381adb0a683" + "f16a8f4c096b462979b9e4277cc89f3ed8a905b46fa9ff9f02210097c146d4d1d2b3dbaf" + "53a504ff51674c5c271800de84d003f4f10ac6ab36e38102202bfa141f10bda874e1017d" + "845e82767c1c38e82745daf421f0c8cd09d7652387"); private class PBETest extends SimpleTest { int id; BufferedBlockCipher cipher; byte[] sample; int keySize; PBETest( int id, BufferedBlockCipher cipher, byte[] sample, int keySize) { this.id = id; this.cipher = cipher; this.sample = sample; this.keySize = keySize; } public String getName() { return cipher.getUnderlyingCipher().getAlgorithmName() + " PKCS5S2 Test " + id; } public void performTest() { char[] password = { 'p', 'a', 's', 's', 'w', 'o', 'r', 'd' }; PBEParametersGenerator generator = new PKCS5S2ParametersGenerator(); ByteArrayInputStream bIn = new ByteArrayInputStream(sample); ASN1InputStream dIn = new ASN1InputStream(bIn); EncryptedPrivateKeyInfo info = null; try { info = EncryptedPrivateKeyInfo.getInstance(dIn.readObject()); } catch (Exception e) { fail("failed construction - exception " + e.toString(), e); } PBES2Parameters alg = PBES2Parameters.getInstance(info.getEncryptionAlgorithm().getParameters()); PBKDF2Params func = PBKDF2Params.getInstance(alg.getKeyDerivationFunc().getParameters()); EncryptionScheme scheme = alg.getEncryptionScheme(); if (func.getKeyLength() != null) { keySize = func.getKeyLength().intValue() * 8; } int iterationCount = func.getIterationCount().intValue(); byte[] salt = func.getSalt(); generator.init( PBEParametersGenerator.PKCS5PasswordToBytes(password), salt, iterationCount); CipherParameters param; if (scheme.getAlgorithm().equals(PKCSObjectIdentifiers.RC2_CBC)) { RC2CBCParameter rc2Params = RC2CBCParameter.getInstance(scheme.getParameters()); byte[] iv = rc2Params.getIV(); param = new ParametersWithIV(generator.generateDerivedParameters(keySize), iv); } else { byte[] iv = ASN1OctetString.getInstance(scheme.getParameters()).getOctets(); param = new ParametersWithIV(generator.generateDerivedParameters(keySize), iv); } cipher.init(false, param); byte[] data = info.getEncryptedData(); byte[] out = new byte[cipher.getOutputSize(data.length)]; int len = cipher.processBytes(data, 0, data.length, out, 0); try { len += cipher.doFinal(out, len); } catch (Exception e) { fail("failed doFinal - exception " + e.toString()); } if (result.length != len) { fail("failed length"); } for (int i = 0; i != len; i++) { if (out[i] != result[i]) { fail("failed comparison"); } } } } public String getName() { return "PKCS5S2"; } public void performTest() throws Exception { BufferedBlockCipher cipher = new PaddedBufferedBlockCipher(new CBCBlockCipher(new DESEngine())); SimpleTest test = new PBETest(0, cipher, sample1, 64); test.performTest(); cipher = new PaddedBufferedBlockCipher(new CBCBlockCipher(new DESedeEngine())); test = new PBETest(1, cipher, sample2, 192); test.performTest(); cipher = new PaddedBufferedBlockCipher(new CBCBlockCipher(new RC2Engine())); test = new PBETest(2, cipher, sample3, 0); test.performTest(); // // RFC 3211 tests // char[] password = { 'p', 'a', 's', 's', 'w', 'o', 'r', 'd' }; PBEParametersGenerator generator = new PKCS5S2ParametersGenerator(); byte[] salt = Hex.decode("1234567878563412"); generator.init( PBEParametersGenerator.PKCS5PasswordToBytes(password), salt, 5); if (!areEqual(((KeyParameter)generator.generateDerivedParameters(64)).getKey(), Hex.decode("d1daa78615f287e6"))) { fail("64 test failed"); } password = "All n-entities must communicate with other n-entities via n-1 entiteeheehees".toCharArray(); generator.init( PBEParametersGenerator.PKCS5PasswordToBytes(password), salt, 500); if (!areEqual(((KeyParameter)generator.generateDerivedParameters(192)).getKey(), Hex.decode("6a8970bf68c92caea84a8df28510858607126380cc47ab2d"))) { fail("192 test failed"); } generator.init(PBEParametersGenerator.PKCS5PasswordToBytes(password), salt, 60000); if (!areEqual(((KeyParameter)generator.generateDerivedParameters(192)).getKey(), Hex.decode("29aaef810c12ecd2236bbcfb55407f9852b5573dc1c095bb"))) { fail("192 (60000) test failed"); } } public static void main( String[] args) { runTest(new PKCS5Test()); } }




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