Exemplo n.º 1
0
 public void TestBlowfish()
 {
     // arrange
     using (var csp = new BlowfishCryptoProvider())
     {
         var random   = new Random(42);
         var keySizes = csp.ValidKeySizes;
         foreach (var sz in keySizes)
         {
             csp.KeySize = sz;
             var key = new byte[sz / 8];
             GenerateKey(key);
             var data = new byte[(int)(sz / 8 * 1.5)];
             random.NextBytes(data);
             var msSrc  = new MemoryStream();
             var mswSrc = msSrc.AsUnclosable();
             var msDst  = new MemoryStream();
             var mswDst = msDst.AsUnclosable();
             mswSrc.Write(data, 0, data.Length);
             mswSrc.Position = 0;
             // act
             csp.Key = key;
             csp.Encrypt(mswDst, mswSrc, (int)mswSrc.Length);
             mswSrc.Position = 0;
             mswDst.Position = 0;
             csp.Decrypt(mswSrc, mswDst, (int)mswDst.Length);
             var decryptedData = msSrc.GetBuffer();
             // assert
             for (int i = 0; i < msSrc.Length; i++)
             {
                 Assert.AreEqual(data[i], decryptedData[i]);
             }
         }
     }
 }
Exemplo n.º 2
0
 public void TestBlowfishDefaultKey()
 {
     // arrange
     using (var csp = new BlowfishCryptoProvider())
     {
         var random = new Random(42);
         var data   = new byte[(int)(csp.KeySize * 1.5)];
         random.NextBytes(data);
         var msSrc  = new MemoryStream();
         var mswSrc = msSrc.AsUnclosable();
         var msDst  = new MemoryStream();
         var mswDst = msDst.AsUnclosable();
         mswSrc.Write(data, 0, data.Length);
         mswSrc.Position = 0;
         // act
         csp.Encrypt(mswDst, mswSrc, (int)mswSrc.Length);
         mswSrc.Position = 0;
         mswDst.Position = 0;
         csp.Decrypt(mswSrc, mswDst, (int)mswDst.Length);
         var decryptedData = msSrc.GetBuffer();
         // assert
         for (int i = 0; i < msSrc.Length; i++)
         {
             Assert.AreEqual(data[i], decryptedData[i]);
         }
     }
 }