Package util

Examples of util.BigIntegerEx

46
47
48
49
50
51
52
    {
        this.username = username.toUpperCase();
        this.password = password.toUpperCase();

        //a = new BigIntegerEx(BigIntegerEx.LITTLE_ENDIAN, "0");
        a = new BigIntegerEx(BigIntegerEx.LITTLE_ENDIAN, BIGINT_SIZE * 8);
    }
View Full Code Here
55
56
57
58
59
60
61
    {
        this.username = new String("");
        this.password = new String("");
    this.A = A;
        //a = new BigIntegerEx(BigIntegerEx.LITTLE_ENDIAN, "0");
        a = new BigIntegerEx(BigIntegerEx.LITTLE_ENDIAN, BIGINT_SIZE * 8);
    }
View Full Code Here
88
89
90
91
92
93
94
        mdx.update(hash);
        hash = mdx.digest();



        return new BigIntegerEx(BigIntegerEx.LITTLE_ENDIAN, hash);
    }
View Full Code Here
110
111
112
113
114
115
116
    }

    public byte []get_B(byte[]v)
    {   //a can be used for b, there both random.
        //B = v + g^b
        return new BigIntegerEx(BigIntegerEx.LITTLE_ENDIAN, v).add(g.modPow(a, N)).toByteArray();
    }
View Full Code Here
127
128
129
130
131
132
133
        u[0] = hash[3];
        u[1] = hash[2];
        u[2] = hash[1];
        u[3] = hash[0];

        return new BigIntegerEx(BigIntegerEx.LITTLE_ENDIAN, u);
    }
View Full Code Here
136
137
138
139
140
141
142
143
144
    public byte []get_S(byte []s, byte []B)
    {
        // S = (B - v)^(a + ux) % N

        BigIntegerEx S_base = N.add(new BigIntegerEx(BigIntegerEx.LITTLE_ENDIAN, B)).subtract(get_v(s)).mod(N);
        BigIntegerEx S_exp = a.add(get_u(B).multiply(get_x(s)));
        return S_base.modPow(S_exp, N).toByteArray();
    }
View Full Code Here
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
    // This doesn't really fit here at all, but I don't know of a better place
    public static boolean checkServerSignature(byte []sig, byte []ip)
    {
        // The constants
        BigIntegerEx key = new BigIntegerEx(BigIntegerEx.LITTLE_ENDIAN, new byte[] { 0x01, 0x00, 0x01, 0x00 });
        BigIntegerEx mod = new BigIntegerEx(BigIntegerEx.LITTLE_ENDIAN, new byte[]
        {
                (byte) 0xD5, (byte) 0xA3, (byte) 0xD6, (byte) 0xAB, (byte) 0x0F, (byte) 0x0D, (byte) 0xC5, (byte) 0x0F, (byte) 0xC3, (byte) 0xFA, (byte) 0x6E, (byte) 0x78, (byte) 0x9D, (byte) 0x0B, (byte) 0xE3, (byte) 0x32,
                (byte) 0xB0, (byte) 0xFA, (byte) 0x20, (byte) 0xE8, (byte) 0x42, (byte) 0x19, (byte) 0xB4, (byte) 0xA1, (byte) 0x3A, (byte) 0x3B, (byte) 0xCD, (byte) 0x0E, (byte) 0x8F, (byte) 0xB5, (byte) 0x56, (byte) 0xB5,
                (byte) 0xDC, (byte) 0xE5, (byte) 0xC1, (byte) 0xFC, (byte) 0x2D, (byte) 0xBA, (byte) 0x56, (byte) 0x35, (byte) 0x29, (byte) 0x0F, (byte) 0x48, (byte) 0x0B, (byte) 0x15, (byte) 0x5A, (byte) 0x39, (byte) 0xFC,
                (byte) 0x88, (byte) 0x07, (byte) 0x43, (byte) 0x9E, (byte) 0xCB, (byte) 0xF3, (byte) 0xB8, (byte) 0x73, (byte) 0xC9, (byte) 0xE1, (byte) 0x77, (byte) 0xD5, (byte) 0xA1, (byte) 0x06, (byte) 0xA6, (byte) 0x20,
                (byte) 0xD0, (byte) 0x82, (byte) 0xC5, (byte) 0x2D, (byte) 0x4D, (byte) 0xD3, (byte) 0x25, (byte) 0xF4, (byte) 0xFD, (byte) 0x26, (byte) 0xFC, (byte) 0xE4, (byte) 0xC2, (byte) 0x00, (byte) 0xDD, (byte) 0x98,
                (byte) 0x2A, (byte) 0xF4, (byte) 0x3D, (byte) 0x5E, (byte) 0x08, (byte) 0x8A, (byte) 0xD3, (byte) 0x20, (byte) 0x41, (byte) 0x84, (byte) 0x32, (byte) 0x69, (byte) 0x8E, (byte) 0x8A, (byte) 0x34, (byte) 0x76,
                (byte) 0xEA, (byte) 0x16, (byte) 0x8E, (byte) 0x66, (byte) 0x40, (byte) 0xD9, (byte) 0x32, (byte) 0xB0, (byte) 0x2D, (byte) 0xF5, (byte) 0xBD, (byte) 0xE7, (byte) 0x57, (byte) 0x51, (byte) 0x78, (byte) 0x96,
                (byte) 0xC2, (byte) 0xED, (byte) 0x40, (byte) 0x41, (byte) 0xCC, (byte) 0x54, (byte) 0x9D, (byte) 0xFD, (byte) 0xB6, (byte) 0x8D, (byte) 0xC2, (byte) 0xBA, (byte) 0x7F, (byte) 0x69, (byte) 0x8D, (byte) 0xCF
        });

        // Do the calculation
        byte []result = new BigIntegerEx(BigIntegerEx.LITTLE_ENDIAN, sig).modPow(key, mod).toByteArray();

        // Create the array of the correct result
        byte []correctResult = new byte[result.length];
        // Put the ip into the array
        correctResult[0] = ip[0];
View Full Code Here
TOP

Related Classes of util.BigIntegerEx

  • Hashing.SRP
  • java.util.Random
  • java.math.BigInteger
    • 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.