September 2011
Beginner
140 pages
3h 40m
English
book
Beginning OpenOffice Calc: From Setting Up Simple Spreadsheets to Business Forecasting
by Jacek Artymiak
Content preview from Beginning OpenOffice Calc: From Setting Up Simple Spreadsheets to Business Forecasting
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Obfuscate (ROT13)
Syntax: ROT13(Text)
The ROT13 function encrypts text using a simple algorithm called Caesar’s Code, where each letter is replaced by one of the 13 characters in the Latin alphabet.
Rotating the encoded text by 13 again returns the original string. For example:
=ROT13("OpenOffice.org")
returns BcraBssvpr.bet, while
=ROT13(ROT13("OpenOffice.org")
returns OpenOffice.org.
Figure 11-8. Sample results of the ROT13 function
It is not a very strong form of protecting data, but it is enough to keep it from being accidentally revealed to someone who might be “just looking.”
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