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Article contents:== Outdated egg! This is an egg for CHICKEN 4, the unsupported old release. You're almost certainly looking for [[/eggref/5/blowfish|the CHICKEN 5 version of this egg]], if it exists. If it does not exist, there may be equivalent functionality provided by another egg; have a look at the [[https://wiki.call-cc.org/chicken-projects/egg-index-5.html|egg index]]. Otherwise, please consider porting this egg to the current version of CHICKEN. [[tags: egg]] == blowfish Blowfish cipher (based on Paul Kocher implementation). == Documentation <procedure>(make-blowfish-encryptor key)</procedure> <procedure>(make-blowfish-decryptor key)</procedure> {{key}} blob minimal length 4, maximum 56 bytes. Returns one argument procedure, accept input blob and produce encrypted/decrypted output blob of same size. Input data blob should be aligned on 64 bit boundary. == Usage <enscript language=scheme> (require-extension blowfish) </enscript> == Examples <enscript language=scheme> (require-extension blowfish) (define enc (make-blowfish-encryptor (string->blob "TESTKEY"))) (enc '#${0100000002000000}) ; => '#${d23f33dfb41ba730} (define dec (make-blowfish-decryptor (string->blob "TESTKEY"))) (dec '#${d23f33dfb41ba730}) ; => '#${0100000002000000} </enscript> == Notes == Author [[rivo]] == Version history ; 1.1 : encryption/decryption fix on 64 bit systems ; 1.0 : major release (cosmetic fixes) ; 0.1 : initial release == License LGPL Description of your changes:

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