Signature Formats

1
Long Term Electronic Signature Formats Denis
Pinkas. Bull S.A. Denis.Pinkas_at_bull.net John Ross
Security Standardsross_at_secstan.com
2
Long Signature Formats

• Electronic Signature Formats for long term
  electronic signatures
• Previous version
• ltdraft-ietf-smime-esformats-02.txtgt
• Based on ETSI ES 201 733
• New version
• ltdraft-ietf-smime-esformats-03.txtgt
• Based on ETSI TS 101 733
• All based on CMS

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Changes

• ALL are
• Extension from previous version
• Verifier conformance options
• Timestamping
• Secure records
• Signature policy options
• Explicit by OID
• Implied by signed content/signature environment
• Content encoding indication
• Content hints

4
Next

• ltdraft-ietf-smime-esformats-03.txtgt
• Ready to become an INFORMATIONAL RFC.
• ETSI Implementation Trails
• XML signature formats
• More work on signature policies

5
Companion document on Signature Policies

• Electronic Signature Policies
  ltdraft-ietf-smime-espolicies-00.txtgt
• Ready to become an EXPERIMENTAL RFC.