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Diffstat (limited to 'src/DotNetOpenAuth.InfoCard/InfoCard/Token/TokenDecryptor.cs')
-rw-r--r--src/DotNetOpenAuth.InfoCard/InfoCard/Token/TokenDecryptor.cs3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/DotNetOpenAuth.InfoCard/InfoCard/Token/TokenDecryptor.cs b/src/DotNetOpenAuth.InfoCard/InfoCard/Token/TokenDecryptor.cs
index e9199c7..fab5148 100644
--- a/src/DotNetOpenAuth.InfoCard/InfoCard/Token/TokenDecryptor.cs
+++ b/src/DotNetOpenAuth.InfoCard/InfoCard/Token/TokenDecryptor.cs
@@ -13,7 +13,6 @@ namespace DotNetOpenAuth.InfoCard {
using System;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
- using System.Diagnostics.Contracts;
using System.IdentityModel.Selectors;
using System.IdentityModel.Tokens;
using System.Linq;
@@ -22,6 +21,7 @@ namespace DotNetOpenAuth.InfoCard {
using System.ServiceModel.Security;
using System.Xml;
using DotNetOpenAuth.Messaging;
+ using Validation;
/// <summary>
/// A utility class for decrypting InfoCard tokens.
@@ -90,7 +90,6 @@ namespace DotNetOpenAuth.InfoCard {
/// <returns>A byte array of the contents of the encrypted token</returns>
internal byte[] DecryptToken(XmlReader reader) {
Requires.NotNull(reader, "reader");
- Contract.Ensures(Contract.Result<byte[]>() != null);
byte[] securityTokenData;
string encryptionAlgorithm;