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PGP Public Key

If you use public-key encryption software, you can send me a secure email by encrypting it with the following public key. This key will expire in March 2030. You can either copy it directly from this page or download the plain text version.

What is public-key encryption?

Public-key encryption is a technique for sending information in such a way that it can only be read by the intended recipient. Even if someone manages to intercept the message en route, they won’t be able to read it without the private key known only by the recipient.

Now that the UK government is planning to intercept all internet traffic despite its dismal track record on data security, this would be a good time to start using encryption software on your computer. I recommend using GNU Privacy Guard (“GnuPG”), which is free and runs on most operating systems.

Using this key

The procedure for adding this key to your keychain depends on whether you are using PGP or GnuPG. Please choose the commands suitable for your particular software.

1. Pipe the contents of the key block to
PGP: pgp -kaf
GnuPG: gpg --import

2. Validate the key by entering
PGP: pgp -kvc
GnuPG: gpg --fingerprint

The validation step should generate a fingerprint code for this key which is identical to the one shown below. If it isn't, then something’s gone wrong.


19A6 8152 3F9B DFA1 5F4C 6E80 B109 9064 46B6 FF49

Header image: The sacred bridge (神橋) across the Daiya river at Futarasan Shrine (二荒山神社) in Nikkō. Photo: Frank Gualtieri.

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