oaeptest.java

来自「J2ME加密算法的代码!里面包括常用的算法」· Java 代码 · 共 466 行 · 第 1/2 页

        (byte)0x28, (byte)0xfa, (byte)0xe7, (byte)0xaa, (byte)0x04, (byte)0x0a, (byte)0x2d, (byte)0x5b,
        (byte)0x25, (byte)0x21, (byte)0x76, (byte)0x45, (byte)0x9d, (byte)0x1f, (byte)0x39, (byte)0x75,
        (byte)0x41, (byte)0xba, (byte)0x2a, (byte)0x58, (byte)0xfb, (byte)0x65, (byte)0x99, (byte)0x02,
        (byte)0x41, (byte)0x00, (byte)0xc9, (byte)0x7f, (byte)0xb1, (byte)0xf0, (byte)0x27, (byte)0xf4,
        (byte)0x53, (byte)0xf6, (byte)0x34, (byte)0x12, (byte)0x33, (byte)0xea, (byte)0xaa, (byte)0xd1,
        (byte)0xd9, (byte)0x35, (byte)0x3f, (byte)0x6c, (byte)0x42, (byte)0xd0, (byte)0x88, (byte)0x66,
        (byte)0xb1, (byte)0xd0, (byte)0x5a, (byte)0x0f, (byte)0x20, (byte)0x35, (byte)0x02, (byte)0x8b,
        (byte)0x9d, (byte)0x86, (byte)0x98, (byte)0x40, (byte)0xb4, (byte)0x16, (byte)0x66, (byte)0xb4,
        (byte)0x2e, (byte)0x92, (byte)0xea, (byte)0x0d, (byte)0xa3, (byte)0xb4, (byte)0x32, (byte)0x04,
        (byte)0xb5, (byte)0xcf, (byte)0xce, (byte)0x33, (byte)0x52, (byte)0x52, (byte)0x4d, (byte)0x04,
        (byte)0x16, (byte)0xa5, (byte)0xa4, (byte)0x41, (byte)0xe7, (byte)0x00, (byte)0xaf, (byte)0x46,
        (byte)0x15, (byte)0x03, (byte)0x02, (byte)0x40, (byte)0x54, (byte)0x49, (byte)0x4c, (byte)0xa6,
        (byte)0x3e, (byte)0xba, (byte)0x03, (byte)0x37, (byte)0xe4, (byte)0xe2, (byte)0x40, (byte)0x23,
        (byte)0xfc, (byte)0xd6, (byte)0x9a, (byte)0x5a, (byte)0xeb, (byte)0x07, (byte)0xdd, (byte)0xdc,
        (byte)0x01, (byte)0x83, (byte)0xa4, (byte)0xd0, (byte)0xac, (byte)0x9b, (byte)0x54, (byte)0xb0,
        (byte)0x51, (byte)0xf2, (byte)0xb1, (byte)0x3e, (byte)0xd9, (byte)0x49, (byte)0x09, (byte)0x75,
        (byte)0xea, (byte)0xb7, (byte)0x74, (byte)0x14, (byte)0xff, (byte)0x59, (byte)0xc1, (byte)0xf7,
        (byte)0x69, (byte)0x2e, (byte)0x9a, (byte)0x2e, (byte)0x20, (byte)0x2b, (byte)0x38, (byte)0xfc,
        (byte)0x91, (byte)0x0a, (byte)0x47, (byte)0x41, (byte)0x74, (byte)0xad, (byte)0xc9, (byte)0x3c,
        (byte)0x1f, (byte)0x67, (byte)0xc9, (byte)0x81, (byte)0x02, (byte)0x40, (byte)0x47, (byte)0x1e,
        (byte)0x02, (byte)0x90, (byte)0xff, (byte)0x0a, (byte)0xf0, (byte)0x75, (byte)0x03, (byte)0x51,
        (byte)0xb7, (byte)0xf8, (byte)0x78, (byte)0x86, (byte)0x4c, (byte)0xa9, (byte)0x61, (byte)0xad,
        (byte)0xbd, (byte)0x3a, (byte)0x8a, (byte)0x7e, (byte)0x99, (byte)0x1c, (byte)0x5c, (byte)0x05,
        (byte)0x56, (byte)0xa9, (byte)0x4c, (byte)0x31, (byte)0x46, (byte)0xa7, (byte)0xf9, (byte)0x80,
        (byte)0x3f, (byte)0x8f, (byte)0x6f, (byte)0x8a, (byte)0xe3, (byte)0x42, (byte)0xe9, (byte)0x31,
        (byte)0xfd, (byte)0x8a, (byte)0xe4, (byte)0x7a, (byte)0x22, (byte)0x0d, (byte)0x1b, (byte)0x99,
        (byte)0xa4, (byte)0x95, (byte)0x84, (byte)0x98, (byte)0x07, (byte)0xfe, (byte)0x39, (byte)0xf9,
        (byte)0x24, (byte)0x5a, (byte)0x98, (byte)0x36, (byte)0xda, (byte)0x3d, (byte)0x02, (byte)0x41,
        (byte)0x00, (byte)0xb0, (byte)0x6c, (byte)0x4f, (byte)0xda, (byte)0xbb, (byte)0x63, (byte)0x01,
        (byte)0x19, (byte)0x8d, (byte)0x26, (byte)0x5b, (byte)0xdb, (byte)0xae, (byte)0x94, (byte)0x23,
        (byte)0xb3, (byte)0x80, (byte)0xf2, (byte)0x71, (byte)0xf7, (byte)0x34, (byte)0x53, (byte)0x88,
        (byte)0x50, (byte)0x93, (byte)0x07, (byte)0x7f, (byte)0xcd, (byte)0x39, (byte)0xe2, (byte)0x11,
        (byte)0x9f, (byte)0xc9, (byte)0x86, (byte)0x32, (byte)0x15, (byte)0x4f, (byte)0x58, (byte)0x83,
        (byte)0xb1, (byte)0x67, (byte)0xa9, (byte)0x67, (byte)0xbf, (byte)0x40, (byte)0x2b, (byte)0x4e,
        (byte)0x9e, (byte)0x2e, (byte)0x0f, (byte)0x96, (byte)0x56, (byte)0xe6, (byte)0x98, (byte)0xea,
        (byte)0x36, (byte)0x66, (byte)0xed, (byte)0xfb, (byte)0x25, (byte)0x79, (byte)0x80, (byte)0x39,
        (byte)0xf7
    };

    static byte[] output3 = Hex.decode(
        "b8246b56a6ed5881aeb585d9a25b2ad790c417e080681bf1ac2bc3deb69d8bce"
      + "f0c4366fec400af052a72e9b0effb5b3f2f192dbeaca03c12740057113bf1f06"
      + "69ac22e9f3a7852e3c15d913cab0b8863a95c99294ce8674214954610346f4d4"
      + "74b26f7c48b42ee68e1f572a1fc4026ac456b4f59f7b621ea1b9d88f64202fb1");

    private class Rand extends SecureRandom
        {
            byte[]  seed = {
                (byte)0xaa, (byte)0xfd, (byte)0x12, (byte)0xf6, (byte)0x59,
                (byte)0xca, (byte)0xe6, (byte)0x34, (byte)0x89, (byte)0xb4,
                (byte)0x79, (byte)0xe5, (byte)0x07, (byte)0x6d, (byte)0xde,
                (byte)0xc2, (byte)0xf0, (byte)0x6c, (byte)0xb5, (byte)0x8f
        };

        public void nextBytes(
            byte[]  bytes)
        {
            System.arraycopy(seed, 0, bytes, 0, bytes.length);
        }
    }

    private class OAEPTester
        implements Test
    {
        private int     id;
        private byte[]  pubKeyEnc;
        private byte[]  privKeyEnc;
        private byte[]  output;
    
        OAEPTester(
            int     id,
            byte[]  pubKeyEnc,
            byte[]  privKeyEnc,
            byte[]  output)
        {
            this.id = id;
            this.pubKeyEnc = pubKeyEnc;
            this.privKeyEnc = privKeyEnc;
            this.output = output;
        }
    
        public String getName()
        {
            return "OAEPTest " + id;
        }
    
        public TestResult perform()
        {
            ByteArrayInputStream    bIn = new ByteArrayInputStream(pubKeyEnc);
            ASN1InputStream         dIn = new ASN1InputStream(bIn);
    
            //
            // extract the public key info.
            //
            RSAPublicKeyStructure   pubStruct;
    
            try
            {
                pubStruct = new RSAPublicKeyStructure((ASN1Sequence)new SubjectPublicKeyInfo((ASN1Sequence)dIn.readObject()).getPublicKey());
            }
            catch (Exception e)
            {
                return new SimpleTestResult(false, getName() + ": exception - " + e.toString());
            }
    
            bIn = new ByteArrayInputStream(privKeyEnc);
            dIn = new ASN1InputStream(bIn);
    
            //
            // extract the private key info.
            //
            RSAPrivateKeyStructure privStruct;
    
            try
            {
                privStruct = new RSAPrivateKeyStructure((ASN1Sequence)(new PrivateKeyInfo((ASN1Sequence)dIn.readObject()).getPrivateKey()));
            }
            catch (Exception e)
            {
                return new SimpleTestResult(false, getName() + ": exception - " + e.toString());
            }
    
            RSAKeyParameters    pubParameters = new RSAKeyParameters(
                                                        false,
                                                        pubStruct.getModulus(),
                                                        pubStruct.getPublicExponent());
    
            RSAKeyParameters    privParameters = new RSAPrivateCrtKeyParameters(
                                                        privStruct.getModulus(),
                                                        privStruct.getPublicExponent(),
                                                        privStruct.getPrivateExponent(),
                                                        privStruct.getPrime1(),
                                                        privStruct.getPrime2(),
                                                        privStruct.getExponent1(),
                                                        privStruct.getExponent2(),
                                                        privStruct.getCoefficient());
    
            AsymmetricBlockCipher   cipher = new OAEPEncoding(new RSAEngine());
    
            cipher.init(true, new ParametersWithRandom(pubParameters, new Rand()));
    
            byte[]  out;
            byte[]  input = new byte[]
                { (byte)0x54, (byte)0x85, (byte)0x9b, (byte)0x34, (byte)0x2c, (byte)0x49, (byte)0xea, (byte)0x2a };
    
            try
            {
                out = cipher.processBlock(input, 0, input.length);
            }
            catch (Exception e)
            {
                return new SimpleTestResult(false, getName() + ": exception - " + e.toString());
            }
    
    
            for (int i = 0; i != output.length; i++)
            {
                if (out[i] != output[i])
                {
                    return new SimpleTestResult(false, getName() + ": failed encryption");
                }
            }
    
            cipher.init(false, privParameters);
            try
            {
                out = cipher.processBlock(output, 0, output.length);
            }
            catch (Exception e)
            {
                return new SimpleTestResult(false, getName() + ": exception - " + e.toString());
            }
    
            for (int i = 0; i != input.length; i++)
            {
                if (out[i] != input[i])
                {
                    return new SimpleTestResult(false, getName() + ": failed decoding");
                }
            }
    
            return new SimpleTestResult(true, getName() + ": Okay");
        }
    }

    public OAEPTest()
    {
    }

    public String getName()
    {
        return "OAEP";
    }
    
    public TestResult perform()
    {
        Test        test = new OAEPTester(1, pubKeyEnc1, privKeyEnc1, output1);
        TestResult  result = test.perform();
    
        if (!result.isSuccessful())
        {
            return result;
        }
    
        test = new OAEPTester(2, pubKeyEnc2, privKeyEnc2, output2);
        result = test.perform();
    
        if (!result.isSuccessful())
        {
            return result;
        }
    
        test = new OAEPTester(3, pubKeyEnc3, privKeyEnc3, output3);
        result = test.perform();

        if (!result.isSuccessful())
        {
            return result;
        }
    
        return new SimpleTestResult(true, "OAEP: Okay");
    }

    public static void main(
        String[]    args)
    {
        OAEPTest        test = new OAEPTest();
        TestResult      result = test.perform();

        System.out.println(result);
    }
}