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→Signing
== GnuPG ==
==GnuPG==
== Simetric Cipher ==
==Simetric Cipher==
=== Encryption ===
===Encryption===
gpg -c file.txt
gpg -c file.txt
we will be prompt for a password.<br />
we will be prompt for a password.<br />
gpg -ca file.txt
gpg -ca file.txt
If we want an ascii output
If we want an ascii output
==== Encrypt & Sign ====
====Encrypt & Sign====
gpg --encrypt --sign --recipient 'some user ID value' <file>
gpg --encrypt --sign --recipient 'some user ID value' <file>
=== Decryption ===
===Decryption===
gpg -d file.txt
gpg -d file.txt
gpg --output <file> --decrypt <encrypted-and-signed-file>
gpg --output <file> --decrypt <encrypted-and-signed-file>
we will be prompt for a password.
we will be prompt for a password.
== Asimetric Cipher ==
==Asimetric Cipher==
=== Generate keys ===
===Generate keys===
gpg --default-new-key-algo rsa4096 --gen-key
gpg --default-new-key-algo rsa4096 --gen-key
gpg --gen-key
gpg --gen-key
=== List private keys ===
===List private keys===
gpg --list-secret-keys
gpg --list-secret-keys
=== Export private key ===
===Export private key===
gpg --export-secret-key -a "User Name" > private.key
gpg --export-secret-key -a "User Name" > private.key
=== Export public key ===
===Export public key===
==== To file ====
====To file====
gpg --output <destination_file.gpg> --export <public_key_ID>
gpg --output <destination_file.gpg> --export <public_key_ID>
==== To server ====
====To server====
gpg --send-keys --keyserver pgp.mit.edu 18384645
gpg --send-keys --keyserver pgp.mit.edu 18384645
==== To ascii file ====
====To ascii file====
gpg --armor --export you@example.com > mykey.asc
gpg --armor --export you@example.com > mykey.asc
=== Import secret keys ===
===Import secret keys===
gpg --allow-secret-key-import --import tmp.asc
gpg --allow-secret-key-import --import tmp.asc
=== Import public keys ===
===Import public keys===
==== From file ====
====From file====
gpg --import <publickeyfile.gpg>
gpg --import <publickeyfile.gpg>
==== From server ====
====From server====
gpg --keyserver pgp.mit.edu --recv-keys 18384645
gpg --keyserver pgp.mit.edu --recv-keys 18384645
=== Encrypt with a public key ===
===Encrypt with a public key===
==== List public keys ====
====List public keys====
gpg --list-keys
gpg --list-keys
==== Encrypt one recipient ====
====Encrypt one recipient====
gpg --recipient <key ID> --encrypt <file>
gpg --recipient <key ID> --encrypt <file>
== Encrypt with ascii output ==
==Encrypt with ascii output==
gpg --armor --encrypt --output ~/test.crypt --recipient redteam@bbva.com ~/test.txt
gpg --armor --encrypt --output ~/test.crypt --recipient redteam@bbva.com ~/test.txt
==== Encrypt to multiple recipients ====
====Encrypt to multiple recipients====
<nowiki>gpg --recipient 42FF42FF \
<nowiki>gpg --recipient 42FF42FF \
--recipient 12345678 \
--recipient FEFEFEFE \
--encrypt-files backup.tar</nowiki>
=== Decrypt with private key ===
===Decrypt with private key===
comando gpg -d <encrypted_file>
comando gpg -d <encrypted_file>
=== Signing ===
=== Signing Keys ===
==== Sign ====
[https://www.phildev.net/pgp/gpgsigning.html Sign keys]
===Signing===
====Sign====
gpg -u <private_Key_ID> --output <output_signed_file> --sign <file_to_sign>
gpg -u <private_Key_ID> --output <output_signed_file> --sign <file_to_sign>
gpg --local-user <private_Key_ID> --output <output_signed_file> --sign <file_to_sign>
gpg --local-user <private_Key_ID> --output <output_signed_file> --sign <file_to_sign>
==== Verify signature ====
====Verify signature====
gpg -d <signed_file>
gpg -d <signed_file>
or
or
gpg --verify <signed_file>
gpg --verify <signed_file>
== CheatSheet ==
==CheatSheet==
[http://wiki.herrerosolis.com/images/1/1e/Gpg_cheat_sheet.tar.gz Gpg_cheat_sheet.tar.gz]<br />
[http://wiki.herrerosolis.com/images/1/1e/Gpg_cheat_sheet.tar.gz Gpg_cheat_sheet.tar.gz]<br />
https://www.digitalocean.com/community/tutorials/how-to-use-gpg-to-encrypt-and-sign-messages<br />
https://www.digitalocean.com/community/tutorials/how-to-use-gpg-to-encrypt-and-sign-messages<br />
http://www.g-loaded.eu/2010/11/01/change-expiration-date-gpg-key/
http://www.g-loaded.eu/2010/11/01/change-expiration-date-gpg-key/