diff options
| -rw-r--r-- | src/DotNetOpenAuth/OAuthWrap/ChannelElements/DataBag.cs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/DotNetOpenAuth/OAuthWrap/ChannelElements/DataBag.cs b/src/DotNetOpenAuth/OAuthWrap/ChannelElements/DataBag.cs index 0b0bd3a..e10f08c 100644 --- a/src/DotNetOpenAuth/OAuthWrap/ChannelElements/DataBag.cs +++ b/src/DotNetOpenAuth/OAuthWrap/ChannelElements/DataBag.cs @@ -32,10 +32,11 @@ namespace DotNetOpenAuth.OAuthWrap.ChannelElements { protected DataBag(OAuthWrapAuthorizationServerChannel channel, bool signed = false, bool encrypted = false, bool compressed = false, TimeSpan? maximumAge = null, INonceStore decodeOnceOnly = null) : base(Protocol.Default.Version) { Contract.Requires<ArgumentNullException>(channel != null, "channel"); + Contract.Requires<ArgumentException>(channel.AuthorizationServer != null); Contract.Requires<ArgumentException>(signed || decodeOnceOnly == null, "A signature must be applied if this data is meant to be decoded only once."); Contract.Requires<ArgumentException>(maximumAge.HasValue || decodeOnceOnly == null, "A maximum age must be given if a message can only be decoded once."); - this.Hasher = new HMACSHA256(this.Channel.AuthorizationServer.Secret); + this.Hasher = new HMACSHA256(channel.AuthorizationServer.Secret); this.Channel = channel; this.signed = signed; this.maximumAge = maximumAge; |