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Commit fcd8151

Browse files
Diffie-Hellman added
1 parent 880c8bc commit fcd8151

16 files changed

+114
-1
lines changed

‎SecurityLibrary/DiffieHellman/DiffieHellman.cs

Lines changed: 17 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -8,9 +8,25 @@ namespace SecurityLibrary.DiffieHellman
88
{
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public class DiffieHellman
1010
{
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public int pow(int a, int b, int c){
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int res = 1;
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for(int i=0;i<b;i++){
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res = (res*a)%c;
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}
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return res;
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}
1118
public List<int> GetKeys(int q, int alpha, int xa, int xb)
1219
{
13-
throw new NotImplementedException();
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int ya = pow(alpha, xa, q);
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int yb = pow(alpha, xb, q);
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int k1 = pow(yb, xa, q);
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int k2 = pow(ya, xb, q);
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List<int> result = new List<int>();
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result.Add(k1);
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result.Add(k2);
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return result;
1430
}
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}
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}
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‎SecurityPackage.v12.suo

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‎SecurityPackageTest/DeffieHelmanTest.cs

Lines changed: 48 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,48 @@
1+
using System;
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using Microsoft.VisualStudio.TestTools.UnitTesting;
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using SecurityLibrary.DiffieHellman;
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using System.Collections.Generic;
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namespace SecurityPackageTest
7+
{
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9+
[TestClass]
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public class DiffieHellmanTest
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{
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[TestMethod]
13+
public void DeffieHelmanTest1()
14+
{
15+
DiffieHellman algorithm = new DiffieHellman();
16+
List<int> key = algorithm.GetKeys(19, 2, 6, 13);
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Assert.AreEqual(key[0], 7);
18+
Assert.AreEqual(key[1], 7);
19+
}
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[TestMethod]
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public void DeffieHelmanTest2()
23+
{
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DiffieHellman algorithm = new DiffieHellman();
25+
List<int> key = algorithm.GetKeys(353, 2, 97, 233);
26+
Assert.AreEqual(key[0], 81);
27+
Assert.AreEqual(key[1], 81);
28+
}
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30+
[TestMethod]
31+
public void DeffieHelmanTest3()
32+
{
33+
DiffieHellman algorithm = new DiffieHellman();
34+
List<int> key = algorithm.GetKeys(353, 3, 97, 233);
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Assert.AreEqual(key[0], 160);
36+
Assert.AreEqual(key[1], 160);
37+
}
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[TestMethod]
40+
public void DeffieHelmanNewTest()
41+
{
42+
DiffieHellman algorithm = new DiffieHellman();
43+
List<int> key = algorithm.GetKeys(541, 10, 50, 100);
44+
Assert.AreEqual(key[0], 449);
45+
Assert.AreEqual(key[1], 449);
46+
}
47+
}
48+
}

‎SecurityPackageTest/ElGamalTest.cs

Lines changed: 48 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,48 @@
1+
using System;
2+
using Microsoft.VisualStudio.TestTools.UnitTesting;
3+
using SecurityLibrary.ElGamal;
4+
using System.Collections.Generic;
5+
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namespace SecurityPackageTest
7+
{
8+
9+
[TestClass]
10+
public class ElGamalTest
11+
{
12+
[TestMethod]
13+
public void ElGamalEnc1()
14+
{
15+
ElGamal algorithm = new ElGamal();
16+
List<long> cipher = algorithm.Encrypt(7187, 4842, 4464, 19, 19);//191
17+
Assert.AreEqual(cipher[0], 2781);
18+
Assert.AreEqual(cipher[1], 437);
19+
}
20+
21+
[TestMethod]
22+
public void ElGamalEnc2()
23+
{
24+
ElGamal algorithm = new ElGamal();
25+
List<long> cipher = algorithm.Encrypt(6323, 4736, 2231, 58, 111);//118
26+
Assert.AreEqual(cipher[0], 6066);
27+
Assert.AreEqual(cipher[1], 899);
28+
}
29+
30+
[TestMethod]
31+
public void ElGamalDec1()
32+
{
33+
ElGamal algorithm = new ElGamal();
34+
int plain = algorithm.Decrypt(2781, 437, 191, 7187);
35+
Assert.AreEqual(plain, 19);
36+
}
37+
38+
[TestMethod]
39+
public void ElGamalDec2()
40+
{
41+
ElGamal algorithm = new ElGamal();
42+
int plain = algorithm.Decrypt(6066, 899, 118, 6323);
43+
Assert.AreEqual(plain, 111);
44+
}
45+
}
46+
}
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48+

‎SecurityPackageTest/SecurityPackageTest.csproj

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -55,6 +55,7 @@
5555
<ItemGroup>
5656
<Compile Include="AESTest.cs" />
5757
<Compile Include="ColumnarTest.cs" />
58+
<Compile Include="DeffieHelmanTest.cs" />
5859
<Compile Include="DES3DESTest.cs" />
5960
<Compile Include="ExtendedEuclidTest.cs" />
6061
<Compile Include="HillCipherTest.cs" />
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