Examples of org.bouncycastle.crypto.signers.ISO9796d2PSSSigner

org.bouncycastle.crypto.signers.ISO9796d2PSSSigner
ISO9796-2 - mechanism using a hash function with recovery (scheme 2 and 3).
Note: the usual length for the salt is the length of the hash function used in bytes.

        byte[]              data;


        //
        // ISO 9796-2 - PSS Signing
        //
        ISO9796d2PSSSigner eng = new ISO9796d2PSSSigner(rsa, new RIPEMD160Digest(), 20, true);


        eng.init(true, sigParameters);


        try
        {
            data = eng.generateSignature();
        }
        catch (Exception e)
        {
            return new SimpleTestResult(false, "ISO9796: failed - exception " + e.toString());
        }


        eng.init(false, pubParameters);


        if (!isSameAs(sig6, 1, data))
        {
            return new SimpleTestResult(false, "ISO9796: failed ISO9796-2 generation Test 6");
        }


        if (!eng.verifySignature(sig6))
        {
            return new SimpleTestResult(false, "ISO9796: failed ISO9796-2 verify Test 6");
        }


        return new SimpleTestResult(true, "ISO9796: Okay");

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        byte[]              data;


        //
        // ISO 9796-2 - PSS Signing
        //
        ISO9796d2PSSSigner eng = new ISO9796d2PSSSigner(rsa, new SHA1Digest(), 0, false);


        eng.init(true, sigParameters);


        try
        {
            eng.update(msg7[0]);
            eng.update(msg7, 1, msg7.length - 1);


            data = eng.generateSignature();
        }
        catch (Exception e)
        {
            return new SimpleTestResult(false, "ISO9796: failed - exception " + e.toString());
        }


        eng.init(false, pubParameters);


        if (!isSameAs(sig7, 0, data))
        {
            return new SimpleTestResult(false, "ISO9796: failed ISO9796-2 generation Test 7");
        }


        eng.update(msg7[0]);
        eng.update(msg7, 1, msg7.length - 1);


        if (!eng.verifySignature(sig7))
        {
            return new SimpleTestResult(false, "ISO9796: failed ISO9796-2 verify Test 7");
        }


        if (!isSameAs(msg7, 0, eng.getRecoveredMessage()))
        {
            return new SimpleTestResult(false, "ISO9796: failed ISO9796-2 recovery Test 7");
        }
        
        return new SimpleTestResult(true, "ISO9796: Okay");

View Full Code Here

        byte[]              data;


        //
        // ISO 9796-2 - PSS Signing
        //
        ISO9796d2PSSSigner eng = new ISO9796d2PSSSigner(rsa, new RIPEMD160Digest(), 20, false);


        eng.init(true, sigParameters);


        try
        {
            eng.update(msg8[0]);
            eng.update(msg8, 1, msg8.length - 1);


            data = eng.generateSignature();
        }
        catch (Exception e)
        {
            return new SimpleTestResult(false, "ISO9796: failed - exception " + e.toString());
        }


        eng.init(false, pubParameters);


        if (!isSameAs(sig8, 0, data))
        {
            return new SimpleTestResult(false, "ISO9796: failed ISO9796-2 generation Test 8");
        }


        eng.update(msg8[0]);
        eng.update(msg8, 1, msg8.length - 1);


        if (!eng.verifySignature(sig8))
        {
            return new SimpleTestResult(false, "ISO9796: failed ISO9796-2 verify Test 8");
        }


        return new SimpleTestResult(true, "ISO9796: Okay");

View Full Code Here

        byte[]              data;


        //
        // ISO 9796-2 - PSS Signing
        //
        ISO9796d2PSSSigner eng = new ISO9796d2PSSSigner(rsa, new RIPEMD160Digest(), 0, true);


        eng.init(true, privParameters);


        try
        {
            eng.update(msg9[0]);
            eng.update(msg9, 1, msg9.length - 1);


            data = eng.generateSignature();
        }
        catch (Exception e)
        {
            return new SimpleTestResult(false, "ISO9796: failed - exception " + e.toString());
        }


        eng.init(false, pubParameters);


        if (!isSameAs(sig9, 0, data))
        {
            return new SimpleTestResult(false, "ISO9796: failed ISO9796-2 generation Test 9");
        }


        eng.update(msg9[0]);
        eng.update(msg9, 1, msg9.length - 1);


        if (!eng.verifySignature(sig9))
        {
            return new SimpleTestResult(false, "ISO9796: failed ISO9796-2 verify Test 9");
        }


        return new SimpleTestResult(true, "ISO9796: Okay");

View Full Code Here


        //
        // ISO 9796-2 - PSS Signing
        //
        Digest              dig = new SHA1Digest();
        ISO9796d2PSSSigner  eng = new ISO9796d2PSSSigner(rsa, dig, dig.getDigestSize());


        //
        // as the padding is random this test needs to repeat a few times to
        // make sure
        //
        for (int i = 0; i != 5; i++)
        {
            eng.init(true, privParameters);
    
            try
            {
                eng.update(msg9[0]);
                eng.update(msg9, 1, msg9.length - 1);
    
                data = eng.generateSignature();
            }
            catch (Exception e)
            {
                return new SimpleTestResult(false, "ISO9796: failed - exception " + e.toString());
            }
    
            eng.init(false, pubParameters);
    
            eng.update(msg9[0]);
            eng.update(msg9, 1, msg9.length - 1);
    
            if (!eng.verifySignature(data))
            {
                return new SimpleTestResult(false, "ISO9796: failed ISO9796-2 verify Test 10");
            }
        }

View Full Code Here

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Related Classes of org.bouncycastle.crypto.signers.ISO9796d2PSSSigner

org.bouncycastle.crypto.params.ParametersWithRandom

org.bouncycastle.crypto.params.ParametersWithSalt

org.bouncycastle.crypto.params.RSAKeyParameters

org.bouncycastle.crypto.test.ISO9796Test

java.security.SecureRandom

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