ACAPsoft CryptIt v1.400 英文正式版(檔加密工具)


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軟體名稱:ACAPsoft CryptIt v1.400 英文正式版(檔加密工具)
語系版本:英文版
光碟片數:單片裝
破解說明:
系統支援:WIN 9x/WIN ME/WIN NT/WIN 2000/WIN XP/WIN 2003
軟體類型:檔加密工具
硬體需求:PC
更新日期:2008/3/17
官方網站:
中文網站:
軟體簡介:
銷售價格:80
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軟體簡介:

      

                         ACAPsoft CryptIt v1.400 英文正式版(文件加密工具)





內容說明:
CryptIt是一款文件加密工具，採用傳統的XOR加密技術，如果密鑰不洩漏，加密是不可破解的。

英文說明:                                  
Most file encryptors use methods that rely on the theory of 
computational security, that is the difficulty of key       
factorisation prevents decryption of the file. But this     
method may not work forever. It used to be considered that a
56 bit key was unbreakable to brute force attacks, but the  
government of the USA now requires all Top Secret data to   
use keys of at least 192 bits. This bar will keep raising as
computing power increases. (It is argued by some though that
this will never happen due to the laws of physics!) CryptIt 
is designed to use conventional XOR encryption on keys that 
are the same size as the file to be encrypted. Furthermore, 
if you use an unpredictable file that is the same size (or  
larger) than the original file and you use this file only   
once, this is known as a one-time pad and it is completely  
unbreakable, even to computers 1000 years from now. This is 
because there is no algorithm at all, just a big key, and   
thus there is no pattern to follow once you have decrypted  
any part of the file. Thus attempts to decrypt it could     
result in any file, and there would be no way to verify that
it has decrypted correctly. CryptIt can also has some       
convenience features such as being able to automatically use
pad files generated by our program GigAlarm, generate key   
files (from a stream cipher and thus not best for OTP usage)
and also analyse the suitability of your chosen key file.     





             


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