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==SAFER+ and SAFER++==
There are two more-recent members of the SAFER family that have made changes to the main encryption routine, designed by the Armenian cryptographers Gurgen Khachatrian
* '''SAFER+''' (Massey et al., 1998) was submitted as a candidate for the [[AES process|Advanced Encryption Standard]] and has a block size of 128 bits. The cipher was not selected as a finalist. [[Bluetooth]] uses custom algorithms based on SAFER+ for key derivation (called E21 and E22) and authentication as [[message authentication code]]s (called E1). Encryption in Bluetooth does not use SAFER+.<ref name="bt-preliminary">{{cite paper |author=Sil Janssens |date=2005-01-09 |title=Preliminary study: Bluetooth Security |url=http://student.vub.ac.be/~sijansse/2e%20lic/BT/Voorstudie/PreliminaryStudy.pdf |accessdate=2007-02-27 }}</ref>
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