/// <summary>
/// Create a SymmetricAlgorithm which logs the encryption operation of the input algorithm
/// </summary>
public static SymmetricAlgorithm EnableLogging(this SymmetricAlgorithm loggedAlgorithm,
SymmetricAlgorithmDiagnosticOptions options)
{
if (options == null)
{
throw new ArgumentNullException("options");
}
#if !FXONLY_BUILD
AuthenticatedSymmetricAlgorithm authenticatedLoggedAlgorithm =
loggedAlgorithm as AuthenticatedSymmetricAlgorithm;
if (authenticatedLoggedAlgorithm != null)
{
return(new AuthenticatedSymmetricAlgorithmLogger(authenticatedLoggedAlgorithm,
options.CheckThreadSafety ? options.LockCheckCallback : null,
options.CheckThreadSafety ? options.LockCheckParameter : null));
}
else
#endif // !FXONLY_BUILD
{
return(new SymmetricAlgorithmLogger(loggedAlgorithm,
options.CheckThreadSafety ? options.LockCheckCallback : null,
options.CheckThreadSafety ? options.LockCheckParameter : null));
}
}
public static AuthenticatedSymmetricAlgorithm EnableLogging(this AuthenticatedSymmetricAlgorithm loggedAlgorithm,
SymmetricAlgorithmDiagnosticOptions options)
{
AuthenticatedSymmetricAlgorithm wrappedAlgorithm =
(loggedAlgorithm as SymmetricAlgorithm).EnableLogging(options) as AuthenticatedSymmetricAlgorithm;
Debug.Assert(wrappedAlgorithm != null, "Logged authenticated algorithm did not wrap into an authenticated algortihm");
return(wrappedAlgorithm);
}
public static AuthenticatedSymmetricAlgorithm EnableDecryptionVerification(this AuthenticatedSymmetricAlgorithm loggedAlgorithm,
AuthenticatedSymmetricEncryptionState encryptionState,
SymmetricAlgorithmDiagnosticOptions options)
{
AuthenticatedSymmetricAlgorithm wrappedAlgorithm =
(loggedAlgorithm as SymmetricAlgorithm).EnableDecryptionVerification(encryptionState, options) as AuthenticatedSymmetricAlgorithm;
Debug.Assert(wrappedAlgorithm != null, "Logged authenticated algorithm did not wrap into an authenticated algortihm");
return(wrappedAlgorithm);
}
/// <summary>
/// Create a SymmetricAlgorithm which verifies the decryption operations done on it have state
/// which matches captured encryption state.
/// </summary>
public static SymmetricAlgorithm EnableDecryptionVerification(this SymmetricAlgorithm loggedAlgorithm,
SymmetricEncryptionState encryptionState,
SymmetricAlgorithmDiagnosticOptions options)
{
if (encryptionState == null)
{
throw new ArgumentNullException("encryptionState");
}
if (options == null)
{
throw new ArgumentNullException("options");
}
#if !FXONLY_BUILD
AuthenticatedSymmetricAlgorithm authenticatedLoggedAlgorithm =
loggedAlgorithm as AuthenticatedSymmetricAlgorithm;
if (authenticatedLoggedAlgorithm != null)
{
AuthenticatedSymmetricEncryptionState authenticatedEncryptionState =
encryptionState as AuthenticatedSymmetricEncryptionState;
if (authenticatedEncryptionState == null)
{
throw new ArgumentException(Resources.NeedAuthenticatedEncryptionState, "encryptionState");
}
return(new AuthenticatedSymmetricAlgorithmVerifier(authenticatedLoggedAlgorithm,
authenticatedEncryptionState,
options.CheckThreadSafety ? options.LockCheckCallback : null,
options.CheckThreadSafety ? options.LockCheckParameter : null));
}
else
#endif // !FXONLY_BUILD
{
return(new SymmetricAlgorithmVerifier(loggedAlgorithm,
encryptionState,
options.CheckThreadSafety ? options.LockCheckCallback : null,
options.CheckThreadSafety ? options.LockCheckParameter : null));
}
}
