!!! Overview [1]
[{$pagename}] ([CFB]) is a [Block Cipher Mode] 

!! More Information
There might be more information for this subject on one of the following:
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* [#1] - [Output Feedback (OFB)|Wikipedia:Block_cipher_mode_of_operation#Output_Feedback_(OFB)|target='_blank'] - based on information obtained 2018-08-08-