block vs stream ciphers

[Atom 'Smasher']

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

curious... why doesn't OpenPGP (or GnuPG) include any stream ciphers?

thanks...


	...atom

 _________________________________________
 PGP key - http://atom.smasher.org/pgp.txt
 762A 3B98 A3C3 96C9 C6B7 582A B88D 52E4 D9F5 7808
 -------------------------------------------------

	"Patriotism is your conviction that this country is superior
	 to all other countries because you were born in it."
		-- George Bernard Shaw
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.4 (FreeBSD)
Comment: What is this gibberish?  -  http://atom.smasher.org/links/#digital_signatures

iEYEARECAAYFAkC8BGgACgkQnCgLvz19QeMV8ACfaFAJ5z8WuRNio5P67hDU6XiJ
MFsAoI+gV9/QoeP5kMzm7BlbIvXAQLVn
=wfC+
-----END PGP SIGNATURE-----