Proposed Methods to use X.509 Attribute Certificates to store biometric templates.
Authentication Protocol for Smartcards
Briefing Slides with example
Guidelines for Placing Biometrics in Smartcards
User Authentication Techniques Using Public Key Certificates Part 1: Certificate Options
User Authentication Techniques Using Public Key Certificates Part 2: Authentication Information Including Biometrics
User Authentication Techniques Using Public Key Certificates Part 3: An Example Implementation
