On May 1, 2008, at 1:13 PM, Meenal Pant wrote: > Are V3 keys commonly used or do all latest versions of GPG and PGP > support V4 keys only? GPG only generates V4 keys. V3 keys are supported, but only for backwards compatibility. It is very strongly recommended that you don't go down the V3 route. V3 is dead. Let it stay dead. David