public void GeneratorUsesDerivedKeyFactoryAndMaterializerToDerivePasswordFromRequest( )
{
// Set up
IDerivedKeyFactory derivedKeyFactory = new Pbkdf2DerivedKeyFactory( 15000 );
IDerivedKeyFactory digestFactory = new Pbkdf2DerivedKeyFactory( 10000 );
PasswordMaterializer materializer = PasswordMaterializers.AlphaNumeric;
PasswordGenerator generator = new PasswordGenerator( derivedKeyFactory, digestFactory, materializer, 32 );
// Exercise
DerivedPassword derived = generator.Derive( new PasswordRequest( "abcd", "1234".ToSecureString( ), 3, default( Guid ) ) );
// Verify
string expectedPassword =
materializer.ToString( derivedKeyFactory.DeriveKey( Encoding.UTF8.GetBytes( "abcd" ), Encoding.UTF8.GetBytes( "1234" ),
3, materializer.BytesNeeded ) );
Assert.That( derived.Password, Is.EqualTo( expectedPassword ) );
}
public void GeneratorUsesDerivedKeyFactoryToCreateDigest( )
{
// Set up
IDerivedKeyFactory derivedKeyFactory = new Pbkdf2DerivedKeyFactory( 15000 );
IDerivedKeyFactory digestFactory = new Pbkdf2DerivedKeyFactory( 10000 );
PasswordMaterializer materializer = PasswordMaterializers.AlphaNumeric;
PasswordGenerator generator = new PasswordGenerator( derivedKeyFactory, digestFactory, materializer, 32 );
// Exercise
DerivedPassword derived =
generator.Derive( new PasswordRequest( "abcd", "1234".ToSecureString( ), 1, PasswordGenerators.LegacyFull ) );
// Verify
byte[ ] expectedHash = digestFactory.DeriveKey( PasswordGenerator.DigestSalt, Encoding.UTF8.GetBytes( derived.Password ),
1, 32 );
PasswordDigest expectedDigest = new PasswordDigest( "abcd", expectedHash, 1, PasswordGenerators.LegacyFull );
Assert.That( derived.Digest, Is.EqualTo( expectedDigest ) );
}