Blockcipher based on the compression function of SHA-256. This cipher interprets the internal compression function of SHA-256 as blockcipher. The key is provided as "input data" and the input is fed into the "old state" whereas the output is the "new state". It supports keys from 128 to 512 bits, has 256-bits blocksize and 64 rounds. The best known attack breaks 49 of those rounds.
There is no tag wiki for this tag … yet!
Tag wikis help introduce newcomers to the tag. They contain an overview of the topic defined by the tag, along with guidelines on its usage.
All registered users may propose new tag wikis.
(Note that if you have less than 20000 reputation, your tag wiki will be peer reviewed before it is published.)