decryption of .cpt file

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# 1  
Old 08-02-2011
decryption of .cpt file

Hi i have the path for encrytion file in unix and i want to decrypt the .cpt file in unix and change the password
how can i do that .
# 2  
Old 08-02-2011
How was the file encrypted in the first place?
# 3  
Old 08-02-2011
i'm not sure of the encryption .
I'm having the password of encyption and path was given to the file . and told to decrypt the file .in unix

---------- Post updated at 03:34 PM ---------- Previous update was at 03:33 PM ----------

usally what are the ways of decrypting in unix
# 4  
Old 08-02-2011
Ask the person who gave you the password how it was encrypted.

It's possible it was old-fashioned UNIX crypt.
crypt key < encerypted > decrypted

If that doesn't work there's lots of methods and ciphers. Some may depend on the system.
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