I.S. CWA 14171:2004

Foreword
Introduction
1. Scope
2. References
3. Definition
4. Abbreviation
5. Verification processes
   5.1 Signature lifetime
   5.2 Initial and subsequent verification
   5.3 Verification information requirements
       5.3.1 Time related information
       5.3.2 Certificates and revocation status information
   5.4 Signature formats as specified in TS 101 733 and in
       TS 101 903
   5.5 Initial Verification inputs
   5.6 Initial verification outputs
       5.6.1 Output status
       5.6.2 Validation Data
       5.6.3 Extended forms of validation data
   5.7 Verification process rules
       5.7.1 Signer Certificate
       5.7.2 Rules for Certification path construction/verification
       5.7.3 Rules for the use of Revocation Status information
       5.7.4 Rules for use of Time-stamping or Time-marking
       5.7.5 Verification of qualified certificate issuer status
       5.7.6 Rules for algorithm constraints and key lengths
       5.7.7 Rules for use of signer roles
   5.8 Subsequent Verification inputs
6. Signature verification systems
   6.1 Initial Verification systems
   6.2 Subsequent Verification systems
   6.3 Human verification
       6.3.1 Selection of electronic signature for verification
       6.3.2 Presenting the signer's document
       6.3.3 Presenting signer information and output status
       6.3.4 Obtaining validation data
       6.3.5 User interface requirements
   6.4 Machine verification
   6.5 Third-party verification
7. Security Requirements for signature verification systems
   7.1 Scope
   7.2 Requirements for tamper-evident and tamper-resistant
       modules
   7.3 Installation and verification assumptions
   7.4 Requirements
       7.4.1 Verification process
       7.4.2 Selection of electronic signature for verification
       7.4.3 Presentation of applicable Signature Policy
       7.4.4 Presentation of SD
       7.4.5 Presentation of signer information and output
             status
       7.4.6 Requesting enhanced electronic signatures
8. Archive system
Annex A - Annex IV from Dir.1999/93/EC
Annex B - Multiple Signatures
Annex C - Time Stamping
Annex D - Signature policy and signature validation
          policy
   D.1 The usefulness of a Signature policy
   D.2 The publication of the Signature Policy
       D.2.1 Using a trusted channel
       D.2.3 Using trusted Repositories of registered
             security policies
       D.2.3 Using a trusted media
   D.3 The main contents of the Signature Policy
       D.3.1 Field of application
       D.3.2 Signature Validation Policy
   D.4 Categories of verification systems
       D.4.1 Specific signature policies
       D.4.2 Dynamically programmable signature policies
Annex E - Examples of user environments
   E.1 Home environment
   E.2 Office environment
   E.3 Public environment
   E.4 Mobile environment
Document History
Bibliography

Describes the recommended functionality and assurances for electronic signature verification.