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Diffstat (limited to 'src/DotNetOpenAuth.Core/Messaging/Bindings/CryptoKey.cs')
-rw-r--r--src/DotNetOpenAuth.Core/Messaging/Bindings/CryptoKey.cs3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/DotNetOpenAuth.Core/Messaging/Bindings/CryptoKey.cs b/src/DotNetOpenAuth.Core/Messaging/Bindings/CryptoKey.cs
index 3fa50d4..b4a5129 100644
--- a/src/DotNetOpenAuth.Core/Messaging/Bindings/CryptoKey.cs
+++ b/src/DotNetOpenAuth.Core/Messaging/Bindings/CryptoKey.cs
@@ -12,6 +12,7 @@ namespace DotNetOpenAuth.Messaging.Bindings {
using System.Linq;
using System.Text;
using DotNetOpenAuth.Messaging;
+ using Validation;
/// <summary>
/// A cryptographic key and metadata concerning it.
@@ -34,7 +35,7 @@ namespace DotNetOpenAuth.Messaging.Bindings {
/// <param name="expiresUtc">The expires UTC.</param>
public CryptoKey(byte[] key, DateTime expiresUtc) {
Requires.NotNull(key, "key");
- Requires.True(expiresUtc.Kind == DateTimeKind.Utc, "expiresUtc");
+ Requires.That(expiresUtc.Kind == DateTimeKind.Utc, "expiresUtc", "Time must be expressed in UTC.");
this.key = key;
this.expiresUtc = expiresUtc;
}