What is .cpt extension?
.cpt is a encrypted file format, you can use ccrypt to create and decrypt .cpt file
How to encrypt and decrypt .cpt file
Encrypt a file
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ccencrypt /tmp/demo.txt |
Decrypt a file.
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ccdecrypt /tmp/demo.txt.cpt |
How to install ccrypt
Install ccrypt on CentOS
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sudo yum install ccrypt |
Install ccrypt on Debian/Ubuntu
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sudo apt-get install ccrypt |