Entities participating in the generation or verification of digital signatures depend on the authenticity of the process. This Recommendation specifies methods for obtaining the assurances necessary for valid digital signatures: assurance of domain parameter validity, assurance of public
key validity, assurances that the key pair owner possesses the private key, and assurance of the identity of the key pair owner. Please submit comments to firstname.lastname@example.org with "Comments on SP 800-89" in the subject line. The comment period closes on April 28, 2006.