Package org.bouncycastle.crypto.params

Examples of org.bouncycastle.crypto.params.AEADParameters

89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
        KeyParameter keyParam;

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

            nonce = param.getNonce();
            initialAssociatedText = param.getAssociatedText();

            int macSizeBits = param.getMacSize();
            if (macSizeBits < 96 || macSizeBits > 128 || macSizeBits % 8 != 0)
            {
                throw new IllegalArgumentException("Invalid value for MAC size: " + macSizeBits);
            }

            macSize = macSizeBits / 8;
            keyParam = param.getKey();
        }
        else if (params instanceof ParametersWithIV)
        {
            ParametersWithIV param = (ParametersWithIV)params;

            nonce = param.getIV();
            initialAssociatedText  = null;
            macSize = 16;
            keyParam = (KeyParameter)param.getParameters();
        }
        else
        {
            throw new IllegalArgumentException("invalid parameters passed to GCM");
        }
View Full Code Here
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
    {
        this.forEncryption = forEncryption;

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

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

            nonce = param.getIV();
            initialAssociatedText = null;
            macSize = macBlock.length / 2;
            keyParam = param.getParameters();
        }
        else
        {
            throw new IllegalArgumentException("invalid parameters passed to CCM");
        }
View Full Code Here
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
        byte[] nonce;
        CipherParameters keyParam;

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

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

            nonce = param.getIV();
            initialAssociatedText = null;
            macSize = mac.getMacSize() / 2;
            keyParam = param.getParameters();
        }
        else
        {
            throw new IllegalArgumentException("invalid parameters passed to EAX");
        }
View Full Code Here
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
        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
139
140
141
142
143
144
145
146
147
148
149
     * @return byte array with the cipher text
     * @throws RuntimeException
     */
    public byte[] encrypt(final byte[] IV, final byte[] message) throws RuntimeException {

        AEADParameters aeadParams = new AEADParameters(
                new KeyParameter(key), TAG_LENGTH,
                IV,
                authData);

        cipher.init(true, aeadParams);
View Full Code Here
179
180
181
182
183
184
185
186
187
188
189
     * @return byte array with the plain text
     * @throws RuntimeException
     */
    public byte[] decrypt(byte[] IV, byte[] cipherText) throws RuntimeException {

        AEADParameters aeadParams = new AEADParameters(
                new KeyParameter(key), TAG_LENGTH,
                IV,
                authData);

        cipher.init(false, aeadParams);
View Full Code Here
111
112
113
114
115
116
117
118
119
120
121
     * @return byte array with the cipher text
     * @throws RuntimeException
     */
    public byte[] encrypt(final byte[] IV, final byte[] message) throws RuntimeException {

        AEADParameters aeadParams = new AEADParameters(
                new KeyParameter(key), TAG_LENGTH,
                IV,
                authData);

        cipher.init(true, aeadParams);
View Full Code Here
149
150
151
152
153
154
155
156
157
158
159
     * @return byte array with the plain text
     * @throws RuntimeException
     */
    public byte[] decrypt(byte[] IV, byte[] cipherText) throws RuntimeException {

        AEADParameters aeadParams = new AEADParameters(
                new KeyParameter(key), TAG_LENGTH,
                IV,
                authData);

        cipher.init(false, aeadParams);
View Full Code Here
78
79
80
81
82
83
84
85
86
87
88
    BlockCipher cipher = AES.createCipher(secretKey, forEncryption);

    // Create GCM cipher with AES
    GCMBlockCipher gcm = new GCMBlockCipher(cipher);

    AEADParameters aeadParams = new AEADParameters(new KeyParameter(secretKey.getEncoded()),
                                             AUTH_TAG_BIT_LENGTH,
                                             iv,
                                             authData);
    gcm.init(forEncryption, aeadParams);
View Full Code Here
74
75
76
77
78
79
80
81
82
83
84
    byte[] alteredCiphertext = Arrays.clone(originalCiphertext);   
    alteredCiphertext[8] = (byte) (alteredCiphertext[8] ^ 0x08); // <<< Change 100$ to 900$
   
    // Decrypt with BouncyCastle implementation of CipherInputStream
    AEADBlockCipher cipher = new GCMBlockCipher(new AESEngine());
    cipher.init(false, new AEADParameters(new KeyParameter(randomKey), 128, randomIv));
   
    try {
      readFromStream(new org.bouncycastle.crypto.io.CipherInputStream(new ByteArrayInputStream(alteredCiphertext), cipher));
      //             ^^^^^^^^^^^^^^^ INTERESTING PART ^^^^^^^^^^^^^^^^ 
      //
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.