$ ls¶
crypt.txt.asc	himitsu.txt	report.pub	shomei.txt.asc
enshu.priv	himitsu.txt.asc	shomei.txt	sign.txt.asc
$ gpg -ao myKey.pub --export 1234567890@g.ecc.u-tokyo.ac.jp¶
$ ls¶
crypt.txt.asc	himitsu.txt	myKey.pub	shomei.txt	sign.txt.asc
enshu.priv	himitsu.txt.asc	report.pub	shomei.txt.asc
$ cat myKey.pub¶
-----BEGIN PGP PUBLIC KEY BLOCK-----

mQGNBGCpoBUBDACaGthFms5hf2ORE+7st9DBzVDOASRw4EyW4d6KWhulACj6Yekj
wrTXa6nIRwnmSbN3cpQAs5pX27ZEjuuaV3lGxI8o5K9azhLuVr1eezGCUjCpolaO
　：
（途中省略）
　：
Q/bYWEW2tcwkRl0VZBJ8NVxWhyfrns+Pz2Jov3Za/iCDolcxw4RWfjfI70lp0bll
ttkBn3QEbKQo6jAVVFGqAcYKJT05hwX9SDLa5L1jTWBPcLSvz0h2HZLp
=QSfe
-----END PGP PUBLIC KEY BLOCK-----
$