Package org.bouncycastle.crypto

Examples of org.bouncycastle.crypto.Signer

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
    {

        SecurityParameters securityParameters = context.getSecurityParameters();

        InputStream sigIn = input;
        Signer signer = null;

        if (tlsSigner != null)
        {
            signer = initVerifyer(tlsSigner, securityParameters);
            sigIn = new SignerInputStream(input, signer);
        }

        byte[] NBytes = TlsUtils.readOpaque16(sigIn);
        byte[] gBytes = TlsUtils.readOpaque16(sigIn);
        byte[] sBytes = TlsUtils.readOpaque8(sigIn);
        byte[] BBytes = TlsUtils.readOpaque16(sigIn);

        if (signer != null)
        {
            byte[] sigByte = TlsUtils.readOpaque16(input);

            if (!signer.verifySignature(sigByte))
            {
                throw new TlsFatalAlert(AlertDescription.decrypt_error);
            }
        }
View Full Code Here
207
208
209
210
211
212
213
214
215
216
        }
    }

    protected Signer initVerifyer(TlsSigner tlsSigner, SecurityParameters securityParameters)
    {
        Signer signer = tlsSigner.createVerifyer(this.serverPublicKey);
        signer.update(securityParameters.clientRandom, 0, securityParameters.clientRandom.length);
        signer.update(securityParameters.serverRandom, 0, securityParameters.serverRandom.length);
        return signer;
    }
View Full Code Here
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
        throws IOException
    {

        SecurityParameters securityParameters = context.getSecurityParameters();

        Signer signer = initVerifyer(tlsSigner, securityParameters);
        InputStream sigIn = new SignerInputStream(input, signer);

        ECDomainParameters curve_params = TlsECCUtils.readECParameters(namedCurves, clientECPointFormats, sigIn);

        byte[] point = TlsUtils.readOpaque8(sigIn);

        byte[] sigByte = TlsUtils.readOpaque16(input);
        if (!signer.verifySignature(sigByte))
        {
            throw new TlsFatalAlert(AlertDescription.decrypt_error);
        }

        this.ecAgreeServerPublicKey = TlsECCUtils.validateECPublicKey(TlsECCUtils.deserializeECPublicKey(
View Full Code Here
196
197
198
199
200
201
202
203
204
205
        }
    }

    protected Signer initVerifyer(TlsSigner tlsSigner, SecurityParameters securityParameters)
    {
        Signer signer = tlsSigner.createVerifyer(this.serverPublicKey);
        signer.update(securityParameters.clientRandom, 0, securityParameters.clientRandom.length);
        signer.update(securityParameters.serverRandom, 0, securityParameters.serverRandom.length);
        return signer;
    }
View Full Code Here
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
        return publicKey instanceof RSAKeyParameters && !publicKey.isPrivate();
    }

    protected Signer makeSigner(Digest d, boolean forSigning, CipherParameters cp)
    {
        Signer s;
        if (ProtocolVersion.TLSv12.isEqualOrEarlierVersionOf(context.getServerVersion().getEquivalentTLSVersion()))
        {
            /*
             * RFC 5246 4.7. In RSA signing, the opaque vector contains the signature generated
             * using the RSASSA-PKCS1-v1_5 signature scheme defined in [PKCS1].
             */
            s = new RSADigestSigner(d);
        }
        else
        {
            /*
             * RFC 5246 4.7. Note that earlier versions of TLS used a different RSA signature scheme
             * that did not include a DigestInfo encoding.
             */
            s = new GenericSigner(createRSAImpl(), d);
        }
        s.init(forSigning, cp);
        return s;
    }
View Full Code Here
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
        throws IOException
    {

        SecurityParameters securityParameters = context.getSecurityParameters();

        Signer signer = initVerifyer(tlsSigner, securityParameters);
        InputStream sigIn = new SignerInputStream(input, signer);

        BigInteger p = TlsDHUtils.readDHParameter(sigIn);
        BigInteger g = TlsDHUtils.readDHParameter(sigIn);
        BigInteger Ys = TlsDHUtils.readDHParameter(sigIn);

        byte[] sigBytes = TlsUtils.readOpaque16(input);
        if (!signer.verifySignature(sigBytes))
        {
            throw new TlsFatalAlert(AlertDescription.decrypt_error);
        }

        this.dhAgreeServerPublicKey = validateDHPublicKey(new DHPublicKeyParameters(Ys, new DHParameters(p, g)));
View Full Code Here
103
104
105
106
107
108
109
110
111
112
        this.dhAgreeServerPublicKey = validateDHPublicKey(new DHPublicKeyParameters(Ys, new DHParameters(p, g)));
    }

    protected Signer initVerifyer(TlsSigner tlsSigner, SecurityParameters securityParameters)
    {
        Signer signer = tlsSigner.createVerifyer(this.serverPublicKey);
        signer.update(securityParameters.clientRandom, 0, securityParameters.clientRandom.length);
        signer.update(securityParameters.serverRandom, 0, securityParameters.serverRandom.length);
        return signer;
    }
View Full Code Here
18
19
20
21
22
23
24
25
26
27
    public byte[] generateRawSignature(AsymmetricKeyParameter privateKey, byte[] md5AndSha1)
        throws CryptoException
    {

        // Note: Only use the SHA1 part of the hash
        Signer signer = makeSigner(new NullDigest(), true,
            new ParametersWithRandom(privateKey, this.context.getSecureRandom()));
        signer.update(md5AndSha1, 16, 20);
        return signer.generateSignature();
    }
View Full Code Here
29
30
31
32
33
34
35
36
37
    public boolean verifyRawSignature(byte[] sigBytes, AsymmetricKeyParameter publicKey, byte[] md5AndSha1)
        throws CryptoException
    {

        // Note: Only use the SHA1 part of the hash
        Signer signer = makeSigner(new NullDigest(), false, publicKey);
        signer.update(md5AndSha1, 16, 20);
        return signer.verifySignature(sigBytes);
    }
View Full Code Here
46
47
48
49
50
51
52
53
54
        return makeSigner(new SHA1Digest(), false, publicKey);
    }

    protected Signer makeSigner(Digest d, boolean forSigning, CipherParameters cp)
    {
        Signer s = new DSADigestSigner(createDSAImpl(), d);
        s.init(forSigning, cp);
        return s;
    }
View Full Code Here
TOP

Related Classes of org.bouncycastle.crypto.Signer

  • org.bouncycastle.crypto.tls.TlsDHEKeyExchange
  • org.bouncycastle.crypto.tls.TlsDSASigner
  • org.bouncycastle.crypto.tls.TlsECDHEKeyExchange
  • org.bouncycastle.crypto.tls.TlsRSASigner
  • org.bouncycastle.crypto.tls.TlsSRPKeyExchange
  • org.bouncycastle.openpgp.operator.bc.BcPGPContentSignerBuilder
  • org.bouncycastle.openpgp.operator.bc.BcPGPContentVerifierBuilderProvider$BcPGPContentVerifierBuilder
    • Copyright © 2018 www.massapicom. 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.