encryption of MAPI

James Sutherland jas88 at cam.ac.uk
Tue Aug 22 09:22:46 GMT 2000

On Tue, 22 Aug 2000, Luke Kenneth Casson Leighton wrote:

> ... is to XOR 0xa5 over the block :)

ROFL! MS certainly seem to like that "encryption" algorithm - API
obfuscation (some of the low-level API calls have the entry point address
XORed with a "magic number"), password encryption for WinCE (with
the string "Pegasus", reversed)... Did they have a hand in CSS? :-)

Just think how much harder life could be if MS actually found themselves a
competent crypto guy...


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