Difference between revisions of "Linux: gpg"
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=== Decrypt with private key === | === Decrypt with private key === | ||
comando gpg -d <encrypted_file> | comando gpg -d <encrypted_file> | ||
| + | |||
| + | === Signing === | ||
| + | ==== Sign ==== | ||
| + | gpg -u <private_Key_ID> --output <output_signed_file> --sign <file_to_sign> | ||
| + | ==== Verify signature ==== | ||
| + | gpg -d <signed_file> | ||
| + | or | ||
| + | gpg --verify <signed_file> | ||
Revision as of 18:25, 17 May 2015
GnuPG
Simetric Cipher
Encryption
gpg -c file.txt
we will be prompt for a password.
Or:
gpg -ca file.txt
If we want an ascii output
Decryption
gpg -d file.txt
we will be prompt for a password.
Asimetric Cipher
Generate keys
gpg --gen-key
Export public key
To file
gpg --output <destination_file.gpg> --export <public_key_ID>
To server
gpg --send-keys --keyserver pgp.mit.edu 18384645
Import public keys
From file
gpg --import <publickeyfile.gpg>
From server
gpg --keyserver pgp.mit.edu --recv-keys 18384645
Encrypt with a public key
gpg --encrypt --recipient <key ID> <file>
Decrypt with private key
comando gpg -d <encrypted_file>
Signing
Sign
gpg -u <private_Key_ID> --output <output_signed_file> --sign <file_to_sign>
Verify signature
gpg -d <signed_file>
or
gpg --verify <signed_file>