Package org.bouncycastle.crypto.params

Examples of org.bouncycastle.crypto.params.AEADParameters

37
38
39
40
41
42
43
44
            BlockCipher mainCipher) throws IOException {
        super(os);
        os.write(nonce);
        cipher = new OCBBlockCipher_v149(hashCipher, mainCipher);
        KeyParameter keyParam = new KeyParameter(key);
        AEADParameters params = new AEADParameters(keyParam, MAC_SIZE_BITS, nonce);
        cipher.init(true, params);
    }
View Full Code Here
36
37
38
39
40
41
42
43
44
45
46
        super(is);
        byte[] nonce = new byte[mainCipher.getBlockSize()];
        new DataInputStream(is).readFully(nonce);
        cipher = new OCBBlockCipher_v149(hashCipher, mainCipher);
        KeyParameter keyParam = new KeyParameter(key);
        AEADParameters params = new AEADParameters(keyParam, MAC_SIZE_BITS, nonce);
        cipher.init(false, params);
        excess = new byte[mainCipher.getBlockSize()];
        excessEnd = 0;
        excessPtr = 0;
    }
View Full Code Here
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
        KeyParameter keyParameter;

        byte[] N;
        if (parameters instanceof AEADParameters)
        {
            AEADParameters aeadParameters = (AEADParameters)parameters;

            N = aeadParameters.getNonce();
            initialAssociatedText = aeadParameters.getAssociatedText();

            int macSizeBits = aeadParameters.getMacSize();
            if (macSizeBits < 64 || macSizeBits > 128 || macSizeBits % 8 != 0)
            {
                throw new IllegalArgumentException("Invalid value for MAC size: " + macSizeBits);
            }

            macSize = macSizeBits / 8;
            keyParameter = aeadParameters.getKey();
        }
        else if (parameters instanceof ParametersWithIV)
        {
            ParametersWithIV parametersWithIV = (ParametersWithIV)parameters;
View Full Code Here
62
63
64
65
66
67
68
69
70
71
72
            final byte[] iv = param.getIV();
            final KeyParameter keyParam = (KeyParameter)param.getParameters();

            // GCM is always operated in encrypt mode to calculate MAC
            cipher.init(true, new AEADParameters(keyParam, macSizeBits, iv));
        }
        else
        {
            throw new IllegalArgumentException("GMAC requires ParametersWithIV");
        }
View Full Code Here
79
80
81
82
83
84
85
86
            decryptKey = server_write_key;
        }

        byte[] dummyNonce = new byte[fixed_iv_length + nonce_explicit_length];

        this.encryptCipher.init(true, new AEADParameters(encryptKey, 8 * macSize, dummyNonce));
        this.decryptCipher.init(false, new AEADParameters(decryptKey, 8 * macSize, dummyNonce));
    }
View Full Code Here
112
113
114
115
116
117
118
119
120
121
122
        byte[] output = new byte[nonce_explicit_length + ciphertextLength];
        System.arraycopy(nonce, encryptImplicitNonce.length, output, 0, nonce_explicit_length);
        int outputPos = nonce_explicit_length;

        encryptCipher.init(true,
            new AEADParameters(null, 8 * macSize, nonce, getAdditionalData(seqNo, type, plaintextLength)));

        outputPos += encryptCipher.processBytes(plaintext, plaintextOffset, plaintextLength, output, outputPos);
        try
        {
            outputPos += encryptCipher.doFinal(output, outputPos);
View Full Code Here
154
155
156
157
158
159
160
161
162
163
164
        byte[] output = new byte[plaintextLength];
        int outputPos = 0;

        decryptCipher.init(false,
            new AEADParameters(null, 8 * macSize, nonce, getAdditionalData(seqNo, type, plaintextLength)));

        outputPos += decryptCipher.processBytes(ciphertext, ciphertextOffset, ciphertextLength, output, outputPos);

        try
        {
View Full Code Here
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
    {
        this.forEncryption = forEncryption;

        if (params instanceof AEADParameters)
        {
            AEADParameters param = (AEADParameters)params;

            nonce = param.getNonce();
            associatedText = param.getAssociatedText();
            macSize = param.getMacSize() / 8;
            keyParam = param.getKey();
        }
        else if (params instanceof ParametersWithIV)
        {
            ParametersWithIV param = (ParametersWithIV)params;

            nonce = param.getIV();
            associatedText = null;
            macSize = macBlock.length / 2;
            keyParam = param.getParameters();
        }
        else
        {
            throw new IllegalArgumentException("invalid parameters passed to CCM");
        }
View Full Code Here
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
        byte[] nonce, associatedText;
        CipherParameters keyParam;

        if (params instanceof AEADParameters)
        {
            AEADParameters param = (AEADParameters)params;

            nonce = param.getNonce();
            associatedText = param.getAssociatedText();
            macSize = param.getMacSize() / 8;
            keyParam = param.getKey();
        }
        else if (params instanceof ParametersWithIV)
        {
            ParametersWithIV param = (ParametersWithIV)params;

            nonce = param.getIV();
            associatedText = new byte[0];
            macSize = mac.getMacSize() / 2;
            keyParam = param.getParameters();
        }
        else
        {
            throw new IllegalArgumentException("invalid parameters passed to EAX");
        }
View Full Code Here
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
        int bufLength = forEncryption ? BLOCK_SIZE : (BLOCK_SIZE + macSize);
        this.bufBlock = new byte[bufLength];

        if (params instanceof AEADParameters)
        {
            AEADParameters param = (AEADParameters)params;

            nonce = param.getNonce();
            A = param.getAssociatedText();
//            macSize = param.getMacSize() / 8;
            if (param.getMacSize() != 128)
            {
                // TODO Make configurable?
                throw new IllegalArgumentException("only 128-bit MAC supported currently");
            }
            keyParam = param.getKey();
        }
        else if (params instanceof ParametersWithIV)
        {
            ParametersWithIV param = (ParametersWithIV)params;

            nonce = param.getIV();
            A = null;
            keyParam = (KeyParameter)param.getParameters();
        }
        else
        {
            throw new IllegalArgumentException("invalid parameters passed to GCM");
        }
View Full Code Here
TOP

Related Classes of org.bouncycastle.crypto.params.AEADParameters

  • com.nimbusds.jose.crypto.AESGCM
  • com.nimbusds.jose.crypto.AESGCMKW
  • freenet.crypt.AEADInputStream
  • freenet.crypt.AEADOutputStream
  • freenet.crypt.OCBBlockCipher_v149
  • org.bouncycastle.crypto.macs.GMac
  • org.bouncycastle.crypto.modes.CCMBlockCipher
  • org.bouncycastle.crypto.modes.EAXBlockCipher
  • org.bouncycastle.crypto.modes.GCMBlockCipher
  • org.bouncycastle.crypto.modes.OCBBlockCipher
    • 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.