This white paper outlines the requirements for the use of public key digital signatures in database-centric systems and focuses on the special requirements of public key digital signature technologies and the associated Public Key Infrastructure (PKI). These requirements involve the following:
The relationship of the digital signature system to the PKI
Cryptographic modules, security and cost optimization
The signing and verifying process
Storage of required digital signature data
Performance
These requirements are given in bulleted form first. Each requirement is explained in the second section of the document.
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