{"action":"created","issue":{"url":"https://api.github.com/repos/dotnet/corefx/issues/4647","labels_url":"https://api.github.com/repos/dotnet/corefx/issues/4647/labels{/name}","comments_url":"https://api.github.com/repos/dotnet/corefx/issues/4647/comments","events_url":"https://api.github.com/repos/dotnet/corefx/issues/4647/events","html_url":"https://github.com/dotnet/corefx/issues/4647","id":118601209,"number":4647,"title":"Missing CFB cipher mode","user":{"login":"lextm","id":425130,"avatar_url":"https://avatars.githubusercontent.com/u/425130?v=3","gravatar_id":"","url":"https://api.github.com/users/lextm","html_url":"https://github.com/lextm","followers_url":"https://api.github.com/users/lextm/followers","following_url":"https://api.github.com/users/lextm/following{/other_user}","gists_url":"https://api.github.com/users/lextm/gists{/gist_id}","starred_url":"https://api.github.com/users/lextm/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/lextm/subscriptions","organizations_url":"https://api.github.com/users/lextm/orgs","repos_url":"https://api.github.com/users/lextm/repos","events_url":"https://api.github.com/users/lextm/events{/privacy}","received_events_url":"https://api.github.com/users/lextm/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/dotnet/corefx/labels/enhancement","name":"enhancement","color":"207de5"},{"url":"https://api.github.com/repos/dotnet/corefx/labels/System.Security","name":"System.Security","color":"d4c5f9"}],"state":"open","locked":false,"assignee":{"login":"bartonjs","id":10642668,"avatar_url":"https://avatars.githubusercontent.com/u/10642668?v=3","gravatar_id":"","url":"https://api.github.com/users/bartonjs","html_url":"https://github.com/bartonjs","followers_url":"https://api.github.com/users/bartonjs/followers","following_url":"https://api.github.com/users/bartonjs/following{/other_user}","gists_url":"https://api.github.com/users/bartonjs/gists{/gist_id}","starred_url":"https://api.github.com/users/bartonjs/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/bartonjs/subscriptions","organizations_url":"https://api.github.com/users/bartonjs/orgs","repos_url":"https://api.github.com/users/bartonjs/repos","events_url":"https://api.github.com/users/bartonjs/events{/privacy}","received_events_url":"https://api.github.com/users/bartonjs/received_events","type":"User","site_admin":false},"milestone":{"url":"https://api.github.com/repos/dotnet/corefx/milestones/5","html_url":"https://github.com/dotnet/corefx/milestones/Future","labels_url":"https://api.github.com/repos/dotnet/corefx/milestones/5/labels","id":1328080,"number":5,"title":"Future","description":"Milestone tracking the issues triaged for post1.0.0-rtm","creator":{"login":"joshfree","id":1302850,"avatar_url":"https://avatars.githubusercontent.com/u/1302850?v=3","gravatar_id":"","url":"https://api.github.com/users/joshfree","html_url":"https://github.com/joshfree","followers_url":"https://api.github.com/users/joshfree/followers","following_url":"https://api.github.com/users/joshfree/following{/other_user}","gists_url":"https://api.github.com/users/joshfree/gists{/gist_id}","starred_url":"https://api.github.com/users/joshfree/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/joshfree/subscriptions","organizations_url":"https://api.github.com/users/joshfree/orgs","repos_url":"https://api.github.com/users/joshfree/repos","events_url":"https://api.github.com/users/joshfree/events{/privacy}","received_events_url":"https://api.github.com/users/joshfree/received_events","type":"User","site_admin":false},"open_issues":289,"closed_issues":27,"state":"open","created_at":"2015-09-29T00:25:45Z","updated_at":"2015-11-25T17:24:36Z","due_on":null,"closed_at":null},"comments":1,"created_at":"2015-11-24T12:43:56Z","updated_at":"2015-11-27T17:53:41Z","closed_at":null,"body":"Currently only three modes are supported by .NET Core,  (CBC = 1, CTS = 5, ECB = 2). Is there any plan to add CFB support as it has been required by some network protocols (such as SNMP v3)? This mode is available on .NET Framework though.\r\n\r\nFrom where does the limitation of three modes come? The comment in `CipherMode` does not reveal enough background information.\r\n\r\nhttps://github.com/dotnet/corefx/blob/master/src/System.Security.Cryptography.Primitives/src/System/Security/Cryptography/CipherMode.cs"},"comment":{"url":"https://api.github.com/repos/dotnet/corefx/issues/comments/160182311","html_url":"https://github.com/dotnet/corefx/issues/4647#issuecomment-160182311","issue_url":"https://api.github.com/repos/dotnet/corefx/issues/4647","id":160182311,"user":{"login":"CodesInChaos","id":320473,"avatar_url":"https://avatars.githubusercontent.com/u/320473?v=3","gravatar_id":"","url":"https://api.github.com/users/CodesInChaos","html_url":"https://github.com/CodesInChaos","followers_url":"https://api.github.com/users/CodesInChaos/followers","following_url":"https://api.github.com/users/CodesInChaos/following{/other_user}","gists_url":"https://api.github.com/users/CodesInChaos/gists{/gist_id}","starred_url":"https://api.github.com/users/CodesInChaos/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/CodesInChaos/subscriptions","organizations_url":"https://api.github.com/users/CodesInChaos/orgs","repos_url":"https://api.github.com/users/CodesInChaos/repos","events_url":"https://api.github.com/users/CodesInChaos/events{/privacy}","received_events_url":"https://api.github.com/users/CodesInChaos/received_events","type":"User","site_admin":false},"created_at":"2015-11-27T17:53:41Z","updated_at":"2015-11-27T17:53:41Z","body":"Even in the full framework, `AesManaged` doesn't implement CFB (while `RijndaelManaged` does)."}}