Enterprise Library Test Guide - Willy .Net

208
Enterprise Library Test Guide
Table 20: Cryptography Application Block Test Code
ID Scenario Test code
1 Hash protected void ButtonHash_Click(object sender, EventArgs e)
plaintext
and byte[] b = new byte[Int32.Parse(TextBox1.Text)];
{
compare
byte[] hs=Cryptographer.CreateHash(ddlSymmetricProvider.SelectedValue,
strEncryptedText);
hashed
Cryptographer.CompareHash("ddlSymmetricProvider.SelectedValue,
value with
b, hs);
plaintext. // Optionally, the factory is created
// instead of using the static CreateHash CompareHash.
HashProviderFactory factory = new HashProviderFactory();
IHashProvider hashProvider = factory.Create(ddlSymmetricProvide
r.SelectedValue);
hashProvider.CreateHash(b);
HashProviderFactory factory = new HashProviderFactory();
IHashProvider hashProvider = factory.Create(ddlSymmetricProvide
r.SelectedValue);
hashProvider.CompareHash(b);
}
23 Encrypt
and
decrypt
plaintext
with a
symmetric
algorithm
provider.
protected void ButtonCrypto_Click(object sender, EventArgs e)
{
// The size of the byte array is read
// from the text box.
byte[] b = new byte[long.Parse(TextBox1.Text)];
// The factory is created for each iteration.
// The static EncryptSymmetric method creates the factory.
byte[] enc = =Cryptographer.EncryptSymmetric(ddlSymmetric
Provider.SelectedValue b);
ISymmetricCryptoProvider symmprovider =
factory.Create(ddlSymmetricProvider.SelectedValue);
Cryptographer.DecryptSymmetric(ddlSymmetricProvider.Selected-
Value, enc);
// Or, optionally, the factory is created.
SymmetricCryptoProviderFactory factoryEncrypt = new
SymmetricCryptoProviderFactory();
byte[] result = symmprovider.Encrypt(b);
SymmetricCryptoProviderFactory factoryDecrypt = new
SymmetricCryptoProviderFactory();
byte[] result = symmprovider.Decrypt(b);
}
Table 21 lists the .NET Framework test code.