Appendix B.  Diffie-Hellman Key Exchange Default Value

This is a confirmed-prime number, used as the default modulus for Diffie-Hellman Key Exchange. In hexadecimal:


Where did this number come from? A quick Google search reveals nothing particularly enlightening.

When specifying constants for cryptographic protocols, it is customary to explain how the constant was arrived at so that people can be assured that they were not specially chosen to (for example) act as a backdoor. See:

Ideally, this information should accompany the modulus in the OpenID spec itself.

Dwayne C. Litzenberger <[EMAIL PROTECTED]>
 Key-signing key   - 19E1 1FE8 B3CF F273 ED17  4A24 928C EC13 39C2 5CF7
 Annual key (2008) - 4B2A FD82 FC7D 9E38 38D9  179F 1C11 B877 E780 4B45

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