The JPCERT/CC PGP Public Key can be obtained here:

Current version (effective since 2009/06/18)
- info@jpcert.or.jp (Key ID: 0x69ECE048)
- office@jpcert.or.jp (Key ID: 0x320536EC)

Old version (obsoleted) (1997/01/10 - 2009/06/17)
- info@jpcert.or.jp, office@jpcert.or.jp (Key ID: 0x2C94D4ED)