Examples of java.security.interfaces.DSAPrivateKey

java.security.interfaces.DSAPrivateKey
The standard interface to a DSA private key. DSA (Digital Signature Algorithm) is defined in NIST's FIPS-186. @see java.security.Key @see java.security.Signature @see DSAKey @see DSAPublicKey @version 1.20 05/11/17 @author Benjamin Renaud

        if (!(o instanceof DSAPrivateKey))
        {
            return false;
        }
        
        DSAPrivateKey other = (DSAPrivateKey)o;
        
        return this.getX().equals(other.getX()) 
            && this.getParams().getG().equals(other.getParams().getG()) 
            && this.getParams().getP().equals(other.getParams().getP()) 
            && this.getParams().getQ().equals(other.getParams().getQ());
    }

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        if (!(o instanceof DSAPrivateKey))
        {
            return false;
        }
        
        DSAPrivateKey other = (DSAPrivateKey)o;
        
        return this.getX().equals(other.getX()) 
            && this.getParams().getG().equals(other.getParams().getG()) 
            && this.getParams().getP().equals(other.getParams().getP()) 
            && this.getParams().getQ().equals(other.getParams().getQ());
    }

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        PrivateKey    key)
        throws InvalidKeyException
    {
        if (key instanceof DSAPrivateKey)
        {
            DSAPrivateKey    k = (DSAPrivateKey)key;


            return new DSAPrivateKeyParameters(k.getX(),
                new DSAParameters(k.getParams().getP(), k.getParams().getQ(), k.getParams().getG()));
        }
                        
        throw new InvalidKeyException("can't identify DSA private key.");
    }

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        checkPublic(k1, vKey);
        
        PKCS8EncodedKeySpec  pkcs8 = new PKCS8EncodedKeySpec(sKey.getEncoded());


        DSAPrivateKey        k2 = (DSAPrivateKey)f.generatePrivate(pkcs8);


        checkPrivateKey(k2, sKey);
        
        //
        // key decoding test - SUN decoding BC keys
        // 
        f = KeyFactory.getInstance("DSA", "SUN");
        x509s = new X509EncodedKeySpec(k1.getEncoded());
        
        vKey = (DSAPublicKey)f.generatePublic(x509s);


        checkPublic(k1, vKey);
        
        pkcs8 = new PKCS8EncodedKeySpec(k2.getEncoded());
        sKey = f.generatePrivate(pkcs8);


        checkPrivateKey(k2, sKey);
    }

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        checkPublic(k1, vKey);


        checkEquals(k1, vKey);


        DSAPrivateKey k2 = (DSAPrivateKey)serializeDeserialize(sKey);


        checkPrivateKey(k2, sKey);


        checkEquals(k2, sKey);

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        KeyPairGenerator    g = KeyPairGenerator.getInstance("DSA", "BC");
        g.initialize(dsaP, new FixedSecureRandom(Hex.decode("0CAF2EF547EC49C4F3A6FE6DF4223A174D01F2C115D49A6F73437C29A2A8458C")));
        KeyPair p = g.generateKeyPair();


        DSAPrivateKey  sKey = (DSAPrivateKey)p.getPrivate();
        DSAPublicKey   vKey = (DSAPublicKey)p.getPublic();


        if (!vKey.getY().equals(new BigInteger(
            "2828003D7C747199143C370FDD07A286" +
            "1524514ACC57F63F80C38C2087C6B795B62DE1C224BF8D1D" +
            "1424E60CE3F5AE3F76C754A2464AF292286D873A7A30B7EA" +
            "CBBC75AAFDE7191D9157598CDB0B60E0C5AA3F6EBE425500" +
            "C611957DBF5ED35490714A42811FDCDEB19AF2AB30BEADFF" +
            "2907931CEE7F3B55532CFFAEB371F84F01347630EB227A41" +
            "9B1F3F558BC8A509D64A765D8987D493B007C4412C297CAF" +
            "41566E26FAEE475137EC781A0DC088A26C8804A98C23140E" +
            "7C936281864B99571EE95C416AA38CEEBB41FDBFF1EB1D1D" +
            "C97B63CE1355257627C8B0FD840DDB20ED35BE92F08C49AE" +
            "A5613957D7E5C7A6D5A5834B4CB069E0831753ECF65BA02B", 16)))
        {
            fail("Y value incorrect");
        }


        if (!sKey.getX().equals(
            new BigInteger("0CAF2EF547EC49C4F3A6FE6DF4223A174D01F2C115D49A6F73437C29A2A8458C", 16)))
        {
            fail("X value incorrect");
        }

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        if (!(o instanceof DSAPrivateKey))
        {
            return false;
        }
        
        DSAPrivateKey other = (DSAPrivateKey)o;
        
        return this.getX().equals(other.getX()) 
            && this.getParams().getG().equals(other.getParams().getG()) 
            && this.getParams().getP().equals(other.getParams().getP()) 
            && this.getParams().getQ().equals(other.getParams().getQ());
    }

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        if (!dsaP.equals(pub.getParams().getP()))
        {
            fail("dsa public key p mismatch");
        }


        DSAPrivateKey priv = (DSAPrivateKey)readObject(dsaPriv);


        if (!dsaX.equals(priv.getX()))
        {
            fail("dsa private key x mismatch");
        }
        if (!dsaG.equals(priv.getParams().getG()))
        {
            fail("dsa private key g mismatch");
        }
        if (!dsaP.equals(priv.getParams().getP()))
        {
            fail("dsa private key p mismatch");
        }
    }

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        checkPublic(k1, vKey);
        
        PKCS8EncodedKeySpec  pkcs8 = new PKCS8EncodedKeySpec(sKey.getEncoded());


        DSAPrivateKey        k2 = (DSAPrivateKey)f.generatePrivate(pkcs8);


        checkPrivateKey(k2, sKey);
        
        //
        // key decoding test - SUN decoding BC keys
        // 
        f = KeyFactory.getInstance("DSA", "SUN");
        x509s = new X509EncodedKeySpec(k1.getEncoded());
        
        vKey = (DSAPublicKey)f.generatePublic(x509s);


        checkPublic(k1, vKey);
        
        pkcs8 = new PKCS8EncodedKeySpec(k2.getEncoded());
        sKey = f.generatePrivate(pkcs8);


        checkPrivateKey(k2, sKey);
    }

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        DSAPublicKey k1 = (DSAPublicKey)serializeDeserialize(vKey);


        checkPublic(k1, vKey);


        DSAPrivateKey k2 = (DSAPrivateKey)serializeDeserialize(sKey);


        checkPrivateKey(k2, sKey);


        //
        // ECDSA Fp generation test

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