This article details how to recover key reconstruction security question data.
When you answer the PGP security questions, you are creating the key reconstruction data. In a standalone environment, this information is stored on your local disk in a
.krb file. The
.krb file is stored in the
My Documents\PGP folder.
In a standalone environment, you can recover the key reconstruction data if the
My Documents\PGP folder is backed up by simply restoring the .krb file to the PGP folder.
In a managed environment, you send the key reconstruction data to your company's PGP Universal Server whenever you install PGP Desktop or when you create and answer your security questions. The key reconstruction data is then stored on the server to allow clients to reconstruct their keys.
Note: When you create and answer all five PGP questions, your private key is split into five pieces, using Blakely-Shamir key splitting. Three of the five pieces are needed to reconstruct the key. Each piece is then encrypted with the hash, the uniquely identifying number, of one answer. If you know any three answers, you can successfully reconstruct the whole key.
Imported Document ID: TECH149973
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