user@hlyarurk:~/tmp/mylivecd1/ubuntu-livecd$ ls
dists    isolinux    mkiso  pool     preseed.cfg         stage4.tar.gz
install  md5sum.txt  pics   preseed  README.diskdefines  ubuntu
user@hlyarurk:~/tmp/mylivecd1/ubuntu-livecd$ find . | grep Release
./dists/dapper/restricted/binary-i386/Release
./dists/dapper/main/binary-i386/Release
./dists/dapper/Release.gpg
./dists/dapper/Release
user@hlyarurk:~/tmp/mylivecd1/ubuntu-livecd$ cat dists/dapper/Release
Origin: Ubuntu
Label: Ubuntu
Suite: dapper
Version: 6.06
Codename: dapper
Date: Wed, 31 May 2006 18:59:06 UTC
Architectures: i386
Components: main restricted
Description: Ubuntu Dapper 6.06
MD5Sum:
 5dd4df6cccf75b1e1df442d2c70fa4b5       94 main/binary-i386/Release
 5b43da349bd3e843f6dd4be2b69089c2  1481158 main/binary-i386/Packages
 4044199724a5eec70ed8096ccf82a798   291725 main/binary-i386/Packages.gz
 bc504bf26260db8be9505db0333298c8   104474 main/debian-installer/binary-i386/Packages
 1ad20a8ef4c5fbb92f7da0501bfa232     22169 main/debian-installer/binary-i386/Packages.gz
 45d36759cbb14292b44498dac9262247      100 restricted/binary-i386/Release
 a19ed0a03785f996a130977106d844a2     7452 restricted/binary-i386/Packages
 c014afd23d44251e92ee2cf7c09c24c1     2116 restricted/binary-i386/Packages.gz
 38197e2a45cc5ae59056c8ef56f2c253     1441 restricted/debian-installer/binary-i386/Packages
 ab0c4cbef5452a1fd9f6a31be6700e98      511 restricted/debian-installer/binary-i386/Packages.gz
SHA1:
 3cd6041a1cf9bc4b88cd18e601ee0da6c9b7de62       94 main/binary-i386/Release
 e9de6bae720236807da13b2b8d500ff356597c1b  1481158 main/binary-i386/Packages
 8004b3cc6862bac271ba161f30de9373fc463954   291725 main/binary-i386/Packages.gz
 776d5cc6ad29d1b06bff2c362876ca56ea0fc186   104474 main/debian-installer/binary-i386/Packages
 c4bd174e80afc779bbfc2c59702a8d43f5aef855    22169 main/debian-installer/binary-i386/Packages.gz
 4c1a79546b42c20b62534c950ac9c8aa05fc0583      100 restricted/binary-i386/Release
 a5cea8baf9f884fb68f422566147e47141a99893     7452 restricted/binary-i386/Packages
 8f320b072530207e1533cc2eb85f03bcda4d9de1     2116 restricted/binary-i386/Packages.gz
 f46ff3d81de44c50d3f056f32e1c87297eecb86f     1441 restricted/debian-installer/binary-i386/Packages
 f8ab198ab333f4739b7e3e471c81fdddd46b4ed1      511 restricted/debian-installer/binary-i386/Packages.gz
user@hlyarurk:~/tmp/mylivecd1/ubuntu-livecd$ nano -w  dists/dapper/Release
user@hlyarurk:~/tmp/mylivecd1/ubuntu-livecd$ nano -w  dists/dapper/Release
user@hlyarurk:~/tmp/mylivecd1/ubuntu-livecd$ sha1sum dists/m
user@hlyarurk:~/tmp/mylivecd1/ubuntu-livecd$ cat dists/dapper/Release
Origin: Ubuntu
Label: Ubuntu
Suite: dapper
Version: 6.06
Codename: dapper
Date: Wed, 31 May 2006 18:59:06 UTC
Architectures: i386
Components: main restricted
Description: Ubuntu Dapper 6.06
MD5Sum:
 5dd4df6cccf75b1e1df442d2c70fa4b5       94 main/binary-i386/Release
 5b43da349bd3e843f6dd4be2b69089c2  1481158 main/binary-i386/Packages
 4044199724a5eec70ed8096ccf82a798   291725 main/binary-i386/Packages.gz
 bc504bf26260db8be9505db0333298c8   104474 main/debian-installer/binary-i386/Packages
 1ad20a8ef4c5fbb92f7da0501bfa232     22169 main/debian-installer/binary-i386/Packages.gz
 45d36759cbb14292b44498dac9262247      100 restricted/binary-i386/Release
 a19ed0a03785f996a130977106d844a2     7452 restricted/binary-i386/Packages
 c014afd23d44251e92ee2cf7c09c24c1     2116 restricted/binary-i386/Packages.gz
 38197e2a45cc5ae59056c8ef56f2c253     1441 restricted/debian-installer/binary-i386/Packages
 ab0c4cbef5452a1fd9f6a31be6700e98      511 restricted/debian-installer/binary-i386/Packages.gz
SHA1:
 3cd6041a1cf9bc4b88cd18e601ee0da6c9b7de62       94 main/binary-i386/Release
 e9de6bae720236807da13b2b8d500ff356597c1b  1481158 main/binary-i386/Packages
 8004b3cc6862bac271ba161f30de9373fc463954   291725 main/binary-i386/Packages.gz
 776d5cc6ad29d1b06bff2c362876ca56ea0fc186   104474 main/debian-installer/binary-i386/Packages
 c4bd174e80afc779bbfc2c59702a8d43f5aef855    22169 main/debian-installer/binary-i386/Packages.gz
 4c1a79546b42c20b62534c950ac9c8aa05fc0583      100 restricted/binary-i386/Release
 a5cea8baf9f884fb68f422566147e47141a99893     7452 restricted/binary-i386/Packages
 8f320b072530207e1533cc2eb85f03bcda4d9de1     2116 restricted/binary-i386/Packages.gz
 f46ff3d81de44c50d3f056f32e1c87297eecb86f     1441 restricted/debian-installer/binary-i386/Packages
 f8ab198ab333f4739b7e3e471c81fdddd46b4ed1      511 restricted/debian-installer/binary-i386/Packages.gz
user@hlyarurk:~/tmp/mylivecd1/ubuntu-livecd$ sha1sum  dists/dapper/main/binary-i386/Release 
3cd6041a1cf9bc4b88cd18e601ee0da6c9b7de62  dists/dapper/main/binary-i386/Release
user@hlyarurk:~/tmp/mylivecd1/ubuntu-livecd$ sha1sum  dists/
dapper/   stable    unstable  
user@hlyarurk:~/tmp/mylivecd1/ubuntu-livecd$ sha1sum  dists/dapper/restricted/binary-i386/Release 
4c1a79546b42c20b62534c950ac9c8aa05fc0583  dists/dapper/restricted/binary-i386/Release
user@hlyarurk:~/tmp/mylivecd1/ubuntu-livecd$ md5sum  dists/dapper/main/binary-i386/Release 
5dd4df6cccf75b1e1df442d2c70fa4b5  dists/dapper/main/binary-i386/Release
user@hlyarurk:~/tmp/mylivecd1/ubuntu-livecd$ sha1  dists/dapper/main/binary-i386/Release 
bash: sha1: command not found
user@hlyarurk:~/tmp/mylivecd1/ubuntu-livecd$ sha1sum  dists/dapper/main/binary-i386/Release 
3cd6041a1cf9bc4b88cd18e601ee0da6c9b7de62  dists/dapper/main/binary-i386/Release
user@hlyarurk:~/tmp/mylivecd1/ubuntu-livecd$ find . | grep Release | grep gpg
./dists/dapper/Release.gpg
user@hlyarurk:~/tmp/mylivecd1/ubuntu-livecd$ cat dists/dapper/Release
Origin: Ubuntu
Label: Ubuntu
Suite: dapper
Version: 6.06
Codename: dapper
Date: Wed, 31 May 2006 18:59:06 UTC
Architectures: i386
Components: main restricted
Description: Ubuntu Dapper 6.06
MD5Sum:
 5dd4df6cccf75b1e1df442d2c70fa4b5       94 main/binary-i386/Release
 5b43da349bd3e843f6dd4be2b69089c2  1481158 main/binary-i386/Packages
 4044199724a5eec70ed8096ccf82a798   291725 main/binary-i386/Packages.gz
 bc504bf26260db8be9505db0333298c8   104474 main/debian-installer/binary-i386/Packages
 1ad20a8ef4c5fbb92f7da0501bfa232     22169 main/debian-installer/binary-i386/Packages.gz
 45d36759cbb14292b44498dac9262247      100 restricted/binary-i386/Release
 a19ed0a03785f996a130977106d844a2     7452 restricted/binary-i386/Packages
 c014afd23d44251e92ee2cf7c09c24c1     2116 restricted/binary-i386/Packages.gz
 38197e2a45cc5ae59056c8ef56f2c253     1441 restricted/debian-installer/binary-i386/Packages
 ab0c4cbef5452a1fd9f6a31be6700e98      511 restricted/debian-installer/binary-i386/Packages.gz
SHA1:
 3cd6041a1cf9bc4b88cd18e601ee0da6c9b7de62       94 main/binary-i386/Release
 e9de6bae720236807da13b2b8d500ff356597c1b  1481158 main/binary-i386/Packages
 8004b3cc6862bac271ba161f30de9373fc463954   291725 main/binary-i386/Packages.gz
 776d5cc6ad29d1b06bff2c362876ca56ea0fc186   104474 main/debian-installer/binary-i386/Packages
 c4bd174e80afc779bbfc2c59702a8d43f5aef855    22169 main/debian-installer/binary-i386/Packages.gz
 4c1a79546b42c20b62534c950ac9c8aa05fc0583      100 restricted/binary-i386/Release
 a5cea8baf9f884fb68f422566147e47141a99893     7452 restricted/binary-i386/Packages
 8f320b072530207e1533cc2eb85f03bcda4d9de1     2116 restricted/binary-i386/Packages.gz
 f46ff3d81de44c50d3f056f32e1c87297eecb86f     1441 restricted/debian-installer/binary-i386/Packages
 f8ab198ab333f4739b7e3e471c81fdddd46b4ed1      511 restricted/debian-installer/binary-i386/Packages.gz
user@hlyarurk:~/tmp/mylivecd1/ubuntu-livecd$ cat dists/dapper/Release.gpg 
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.3 (GNU/Linux)

iD8DBQBFavVEfg6Fv8QEMusRAoDHAKDNpz9PlFPLaSaspKQQh5qlRsKoNACcDhPk
RTyX/sSoISdfufwseeuyMpw=
=YiT+
-----END PGP SIGNATURE-----
user@hlyarurk:~/tmp/mylivecd1/ubuntu-livecd$ gpg --list-keys
/home/user/.gnupg/pubring.gpg
-----------------------------
pub   1024D/437D05B5 2004-09-12
uid                  Ubuntu Archive Automatic Signing Key <ftpmaster@ubuntu.com>
sub   2048g/79164387 2004-09-12

pub   1024D/FBB75451 2004-12-30
uid                  Ubuntu CD Image Automatic Signing Key <cdimage@ubuntu.com>

pub   1024D/C40432EB 2006-11-27
uid                  Arvind Autar <arvind.autar@gmail.com>
sub   2048g/6D6EFA59 2006-11-27

user@hlyarurk:~/tmp/mylivecd1/ubuntu-livecd$ gpg --default-key "C40432EB" --output 
gpg: Missing argument for option "--output"
user@hlyarurk:~/tmp/mylivecd1/ubuntu-livecd$ export BUILD=`pwd`
user@hlyarurk:~/tmp/mylivecd1/ubuntu-livecd$ gpg --default-key "C40432EB" --output /home/user/tmp/mylivecd1/ubuntu-livecd/dists/dapper/Release.gpg  -ba /home/user/tmp/mylivecd1/ubuntu-livecd/dists/dapper/Release

You need a passphrase to unlock the secret key for
user: "Arvind Autar <arvind.autar@gmail.com>"
1024-bit DSA key, ID C40432EB, created 2006-11-27

File `/home/user/tmp/mylivecd1/ubuntu-livecd/dists/dapper/Release.gpg' exists. Overwrite? (y/N) y
user@hlyarurk:~/tmp/mylivecd1/ubuntu-livecd$