Examples of ElGamalParameter

Examples of org.bouncycastle.asn1.oiw.ElGamalParameter

135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
            return new DHPublicKeyParameters(derY.getValue(), dhParams);
        }
        else if (algId.getAlgorithm().equals(OIWObjectIdentifiers.elGamalAlgorithm))
        {
            ElGamalParameter params = new ElGamalParameter((ASN1Sequence)algId.getParameters());
            ASN1Integer derY = (ASN1Integer)keyInfo.parsePublicKey();

            return new ElGamalPublicKeyParameters(derY.getValue(), new ElGamalParameters(
                params.getP(), params.getG()));
        }
        else if (algId.getAlgorithm().equals(X9ObjectIdentifiers.id_dsa)
            || algId.getAlgorithm().equals(OIWObjectIdentifiers.dsaWithSHA1))
        {
            ASN1Integer derY = (ASN1Integer)keyInfo.parsePublicKey();
            ASN1Encodable de = algId.getParameters();

            DSAParameters parameters = null;
            if (de != null)
            {
                DSAParameter params = DSAParameter.getInstance(de.toASN1Primitive());
                parameters = new DSAParameters(params.getP(), params.getQ(), params.getG());
            }

            return new DSAPublicKeyParameters(derY.getValue(), parameters);
        }
        else if (algId.getAlgorithm().equals(X9ObjectIdentifiers.id_ecPublicKey))
        {
            X962Parameters params = new X962Parameters(
                (ASN1Primitive)algId.getParameters());

            X9ECParameters x9;
            if (params.isNamedCurve())
            {
                ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier)params.getParameters();
                x9 = X962NamedCurves.getByOID(oid);

                if (x9 == null)
                {
                    x9 = SECNamedCurves.getByOID(oid);

                    if (x9 == null)
                    {
                        x9 = NISTNamedCurves.getByOID(oid);

                        if (x9 == null)
                        {
                            x9 = TeleTrusTNamedCurves.getByOID(oid);
                        }
                    }
                }
            }
            else
            {
                x9 = X9ECParameters.getInstance(params.getParameters());
            }

            ASN1OctetString key = new DEROctetString(keyInfo.getPublicKeyData().getBytes());
            X9ECPoint derQ = new X9ECPoint(x9.getCurve(), key);
View Full Code Here

Examples of org.bouncycastle.asn1.oiw.ElGamalParameter

100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
            return new DHPrivateKeyParameters(derX.getValue(), dhParams);
        }
        else if (algId.getAlgorithm().equals(OIWObjectIdentifiers.elGamalAlgorithm))
        {
            ElGamalParameter params = new ElGamalParameter((ASN1Sequence)algId.getParameters());
            ASN1Integer derX = (ASN1Integer)keyInfo.parsePrivateKey();

            return new ElGamalPrivateKeyParameters(derX.getValue(), new ElGamalParameters(
                params.getP(), params.getG()));
        }
        else if (algId.getAlgorithm().equals(X9ObjectIdentifiers.id_dsa))
        {
            ASN1Integer derX = (ASN1Integer)keyInfo.parsePrivateKey();
            ASN1Encodable de = algId.getParameters();

            DSAParameters parameters = null;
            if (de != null)
            {
                DSAParameter params = DSAParameter.getInstance(de.toASN1Primitive());
                parameters = new DSAParameters(params.getP(), params.getQ(), params.getG());
            }

            return new DSAPrivateKeyParameters(derX.getValue(), parameters);
        }
        else if (algId.getAlgorithm().equals(X9ObjectIdentifiers.id_ecPublicKey))
        {
            X962Parameters params = new X962Parameters((ASN1Primitive)algId.getParameters());

            X9ECParameters x9;
            if (params.isNamedCurve())
            {
                ASN1ObjectIdentifier oid = ASN1ObjectIdentifier.getInstance(params.getParameters());
                x9 = X962NamedCurves.getByOID(oid);

                if (x9 == null)
                {
                    x9 = SECNamedCurves.getByOID(oid);

                    if (x9 == null)
                    {
                        x9 = NISTNamedCurves.getByOID(oid);

                        if (x9 == null)
                        {
                            x9 = TeleTrusTNamedCurves.getByOID(oid);
                        }
                    }
                }
            }
            else
            {
                x9 = X9ECParameters.getInstance(params.getParameters());
            }

            ECPrivateKey ec = ECPrivateKey.getInstance(keyInfo.parsePrivateKey());
            BigInteger d = ec.getKey();
View Full Code Here

Examples of org.bouncycastle.asn1.oiw.ElGamalParameter

804
805
806
807
808
809
810
811
812
813
814
         */
        protected byte[] engineGetEncoded()
        {
            ByteArrayOutputStream   bOut = new ByteArrayOutputStream();
            DEROutputStream         dOut = new DEROutputStream(bOut);
            ElGamalParameter        elP = new ElGamalParameter(currentSpec.getP(), currentSpec.getG());

            try
            {
                dOut.writeObject(elP);
                dOut.close();
View Full Code Here

Examples of org.bouncycastle.asn1.oiw.ElGamalParameter

875
876
877
878
879
880
881
882
883
884
885
886
887
        {
            ASN1InputStream        aIn = new ASN1InputStream(params);

            try
            {
                ElGamalParameter elP = new ElGamalParameter((ASN1Sequence)aIn.readObject());

                currentSpec = new ElGamalParameterSpec(elP.getP(), elP.getG());
            }
            catch (ClassCastException e)
            {
                throw new IOException("Not a valid ElGamal Parameter encoding.");
            }
View Full Code Here

Examples of org.bouncycastle.asn1.oiw.ElGamalParameter

107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
            return new DHPrivateKeyParameters(derX.getValue(), new DHParameters(params.getP(), params.getG()));
        }
        else if (algId.getObjectId().equals(OIWObjectIdentifiers.elGamalAlgorithm))
        {
            ElGamalParameter    params = new ElGamalParameter((ASN1Sequence)keyInfo.getAlgorithmId().getParameters());
            DERInteger          derX = (DERInteger)keyInfo.getPrivateKey();

            return new ElGamalPrivateKeyParameters(derX.getValue(), new ElGamalParameters(params.getP(), params.getG()));
        }
        else if (algId.getObjectId().equals(X9ObjectIdentifiers.id_dsa))
        {
            DSAParameter    params = new DSAParameter((ASN1Sequence)keyInfo.getAlgorithmId().getParameters());
            DERInteger      derX = (DERInteger)keyInfo.getPrivateKey();

            return new DSAPrivateKeyParameters(derX.getValue(), new DSAParameters(params.getP(), params.getQ(), params.getG()));
        }
        else if (algId.getObjectId().equals(X9ObjectIdentifiers.id_ecPublicKey))
        {
            X962Parameters      params = new X962Parameters((DERObject)keyInfo.getAlgorithmId().getParameters());
            ECDomainParameters  dParams = null;
           
            if (params.isNamedCurve())
            {
                DERObjectIdentifier oid = (DERObjectIdentifier)params.getParameters();
                X9ECParameters      ecP = X962NamedCurves.getByOID(oid);

                if (ecP == null)
                {
                    ecP = SECNamedCurves.getByOID(oid);

                    if (ecP == null)
                    {
                        ecP = NISTNamedCurves.getByOID(oid);

                        if (ecP == null)
                        {
                            ecP = TeleTrusTNamedCurves.getByOID(oid);
                        }
                    }
                }

                dParams = new ECDomainParameters(
                                            ecP.getCurve(),
                                            ecP.getG(),
                                            ecP.getN(),
                                            ecP.getH(),
                                            ecP.getSeed());
            }
            else
            {
                X9ECParameters ecP = new X9ECParameters(
                            (ASN1Sequence)params.getParameters());
                dParams = new ECDomainParameters(
                                            ecP.getCurve(),
                                            ecP.getG(),
                                            ecP.getN(),
                                            ecP.getH(),
View Full Code Here

Examples of org.bouncycastle.asn1.oiw.ElGamalParameter

106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
           
            return new DHPublicKeyParameters(derY.getValue(), new DHParameters(params.getP(), params.getG()));
        }
        else if (algId.getObjectId().equals(OIWObjectIdentifiers.elGamalAlgorithm))
        {
            ElGamalParameter    params = new ElGamalParameter((ASN1Sequence)keyInfo.getAlgorithmId().getParameters());
            DERInteger          derY = (DERInteger)keyInfo.getPublicKey();

            return new ElGamalPublicKeyParameters(derY.getValue(), new ElGamalParameters(params.getP(), params.getG()));
        }
        else if (algId.getObjectId().equals(X9ObjectIdentifiers.id_dsa)
                 || algId.getObjectId().equals(OIWObjectIdentifiers.dsaWithSHA1))
        {
            DSAParameter    params = new DSAParameter((ASN1Sequence)keyInfo.getAlgorithmId().getParameters());
            DERInteger      derY = (DERInteger)keyInfo.getPublicKey();

            return new DSAPublicKeyParameters(derY.getValue(), new DSAParameters(params.getP(), params.getQ(), params.getG()));
        }
        else if (algId.getObjectId().equals(X9ObjectIdentifiers.id_ecPublicKey))
        {
            X962Parameters      params = new X962Parameters((DERObject)keyInfo.getAlgorithmId().getParameters());
            ECDomainParameters  dParams = null;
           
            if (params.isNamedCurve())
            {
                DERObjectIdentifier oid = (DERObjectIdentifier)params.getParameters();
                X9ECParameters      ecP = X962NamedCurves.getByOID(oid);

                if (ecP == null)
                {
                    ecP = SECNamedCurves.getByOID(oid);

                    if (ecP == null)
                    {
                        ecP = NISTNamedCurves.getByOID(oid);

                        if (ecP == null)
                        {
                            ecP = TeleTrusTNamedCurves.getByOID(oid);
                        }
                    }
                }

                dParams = new ECDomainParameters(
                                            ecP.getCurve(),
                                            ecP.getG(),
                                            ecP.getN(),
                                            ecP.getH(),
                                            ecP.getSeed());
            }
            else
            {
                X9ECParameters ecP = new X9ECParameters(
                            (ASN1Sequence)params.getParameters());
                dParams = new ECDomainParameters(
                                            ecP.getCurve(),
                                            ecP.getG(),
                                            ecP.getN(),
                                            ecP.getH(),
View Full Code Here

Examples of org.bouncycastle.asn1.oiw.ElGamalParameter

67
68
69
70
71
72
73
74
75
76
77
    }
   
    JCEElGamalPrivateKey(
        PrivateKeyInfo  info)
    {
        ElGamalParameter     params = new ElGamalParameter((ASN1Sequence)info.getAlgorithmId().getParameters());
        DERInteger      derX = (DERInteger)info.getPrivateKey();

        this.x = derX.getValue();
        this.elSpec = new ElGamalParameterSpec(params.getP(), params.getG());
    }
View Full Code Here

Examples of org.bouncycastle.asn1.oiw.ElGamalParameter

104
105
106
107
108
109
110
111
112
     *
     * @return a PKCS8 representation of the key.
     */
    public byte[] getEncoded()
    {
        PrivateKeyInfo          info = new PrivateKeyInfo(new AlgorithmIdentifier(OIWObjectIdentifiers.elGamalAlgorithm, new ElGamalParameter(elSpec.getP(), elSpec.getG()).getDERObject()), new DERInteger(getX()));

        return info.getDEREncoded();
    }
View Full Code Here

Examples of org.bouncycastle.asn1.oiw.ElGamalParameter

72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
    }

    JCEElGamalPublicKey(
        SubjectPublicKeyInfo    info)
    {
        ElGamalParameter        params = new ElGamalParameter((ASN1Sequence)info.getAlgorithmId().getParameters());
        DERInteger              derY = null;

        try
        {
            derY = (DERInteger)info.getPublicKey();
        }
        catch (IOException e)
        {
            throw new IllegalArgumentException("invalid info structure in DSA public key");
        }

        this.y = derY.getValue();
        this.elSpec = new ElGamalParameterSpec(params.getP(), params.getG());
    }
View Full Code Here

Examples of org.bouncycastle.asn1.oiw.ElGamalParameter

100
101
102
103
104
105
106
107
108
        return "X.509";
    }

    public byte[] getEncoded()
    {
        SubjectPublicKeyInfo    info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(OIWObjectIdentifiers.elGamalAlgorithm, new ElGamalParameter(elSpec.getP(), elSpec.getG()).getDERObject()), new DERInteger(y));

        return info.getDEREncoded();
    }
View Full Code Here
TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.