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CRYPTOHI.HDR
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1994-04-25
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/*****************************************************************************
The Klipper Library, By Kirby L. Wallace. Copyright (c), 1986-1992
Wallace Information Systems Engineering
FUNCTION:
_CryptoHI( @cString, cKey ) --> NIL
PARAMETERS:
cString: String to be encrypted
cKey : Encryption key
DESCRIPTION:
_CryptoHI() is an encryption function that offers medium
to "fairly sophisticated" security in favour of "fairly
sophisticated" speed.
Security and speed are proportionate to each other. The more
secure, the more time consuming the encryption. So as you move
up in levels of security, you typically move down in speed of
encryption.
Security is a relative term. Defeating it depends upon skill
of the cracker. It is important to remember that there are
no 100% fool-proof security systems (no matter what Bill Clinton
and his CLIPPER (chip) administration personnel say.)
NOTE: cString MUST be passed to _Crypto() BY REFERENCE. Failure
to do so may yield unpredictable results.
EXAMPLE:
t = "STOP! Or I shall shout 'STOP!' at you again."
_Crypto(@t,'PASSWORD')
Result: t now contains encrypted gibberish.
_Crypto(@t,'PASSWORD')
Result: t now contains it's original value
******************************************************************************/