cGeep Command Line

1 Launching cGeep Command Line Tool

The syntax of the command line tool is: cgeep <options> <parameters>

The Help is displayed when launching cgeep without any parameters:

Usage: cgeep

-b,--detach-sign <file> <user_id> [<signature_file>] Create a detached signature of file

-c,--symmetric Use symmetric encryption (to be used with -e)

-d,--decrypt <file> [<user_id>] Decrypt file

--delete-keys <user_id> Delete key

--directory <directory> Directory of keyring

-e,--encrypt <file> [<destination_file>] Encrypt file

--export <user_id> [<destination_file>] Export a key in armored format

--gen-key Generate a key pair

--gen-revoke <user_id> <user_id_private> Revoke a key

--list-keys <substring> List keys in keyring

-h Print this message

-o,--output <file> Output file

-p,--passphrase Passphrase to use

-r,--recipient <user_id> User id of recipient

--recv-keys <server> <user_id> Receive a key from a remote HKP server

--search-keys <server> <substring> Search a key on a remote HKP server

--send-keys <server> <user_id> Send a key to a remote HKP server

--sign-key <user_id> <user_id_private> Sign a key

--verify <file> [<signature_file>] Verify detached signature

-v, --version Display version number of cGeep

2 Keys Management Examples

2.1 Key Creation

$ cgeep --gen-key

Select what kind of key you want (default is 2):

1 DSA/Elgamal

2 RSA

Please choose 1 or 2:

Please give the key size you want (default 2048):

Valid sizes are multiples of 1024

1024

When do you want your key to expire?

yy/mm/dd or NEVER (default is NEVER):

NEVER

Name:

test

Email:

test@test.com

Enter passphrase:

Repeat passphrase:

Please choose the Symmetric key type:

0 : CAST-128

1 : Blowfish-128

2 : AES-128

3 : AES-192

4 : AES-256

5 : 3DES-168

Your choice (default is 4):

Key pair generated.

Notes:

The –directory option can be specified at each cgeep call to precise the directory that contains the keyring.

If not specified, the keyring is contained in the directory defined by the java "user.home" property and/or the PWD environment property.

2.2 Key Search

$ cgeep --list-keys test.com

pub 1024/C98D440B 2009-10-27

uid test<test@test.com>

2.3 key Export

$ cgeep --export test@test.com test@test.com.asc

Key successfully exported to /home/admin/test@test.com.asc.

Notes:

The destination file is a full path name.

2.4 key Import

$ cgeep --import /home/admin/ndepomereu\@safelogic.com.asc

-----BEGIN PGP PUBLIC KEY BLOCK-----

Version : cGeep v3.21a – Easy Encryption for All

mI0ERGBxggMEANIUnXxmxgdskJqcHImdnMiIdH3IH5QlXnDK7I0u2Rsjzpj3TGke

lnXMBGMxPQsm0mBKyHFAdUXANtZVB6splFbeG6/CEEh0QZtrq5I4V0iRpt37hD/t

7JxmVEV4I4mXfbl4QmAaGzDuaubsTxU4lxxa7brfVbsuuJJ3PA7iAHyxABEBAAG0

LU5pY29sYXMgZGUgUG9tZXJldSA8bmRlcG9tZXJldUBzYWZlbG9naWMuY29tPoic

BBMDAgAQBQJEYHGECRCcinZbTU/CTwAA13gD/iTA/DONfBFjZpLMphSq7OyCmkDn

4eY/uj8k31eyb4fb2dGRmu1O1noBt7v4KproYRMpB15EfPYxoIWf9MlhlUORA0SI

iCPqrtPOGGiB0UHo2KCunIQqbPh10rrRsrI+YjW05tSgJ3QhZfgiEE9nWlepsdUh

t83pC9EzaZEKvBrHuI0ERGBxggIEAI6AErXYaW7E2D5BZQ51yAxobO4W9r5k1QsG

SGY/TwYRxw3nS8bVTsE3rYGaaktck5nW/hjaXqURCmU7n7aFsfo8RDioC8+oXLPS

sJ/13GVjoe9ObmZ8lVU0abPkdJlSozejwxfggX5WsIU3lxISuIxMMu9aA6rjqGOQ

l/my9V7bABEBAAGInAQYAwIAEAUCRGBxhAkQnIp2W01Pwk8AAFNYA/9yhZ5JXM3S

qJcJJ9DRa+2eGTlwLvF3PSnLT+zOLFM4/TJGdY2iwViG96vgNqa2pYmpdswxA4RK

N+lhhXLrgPS3f9TPeadCf2i086kVJtFmpPOIndYGZM9zyMj9bO1NhjesI2FBDnxA

WD6jEkdhll8jZ1uecgiswKiyG3cWhq1pPg==

=ULh8

-----END PGP PUBLIC KEY BLOCK-----

Key successfully imported.

2.5 Key Revocation

$ cgeep --gen-revoke ndepomereu@safelogic.com test@test.com

Enter passphrase for user id test@test.com:

-----BEGIN PGP PUBLIC KEY BLOCK-----

Version: BCPG v1.42