Electronic Signature Formats for long term electronic signatures
RFC 3126
| Document | Type |
RFC - Informational
(September 2001; Errata)
Obsoleted by RFC 5126
|
|
|---|---|---|---|
| Last updated | 2013-03-02 | ||
| Stream | IETF | ||
| Formats | plain text pdf html bibtex | ||
| Stream | WG state | WG Document | |
| Document shepherd | No shepherd assigned | ||
| IESG | IESG state | RFC 3126 (Informational) | |
| Consensus Boilerplate | Unknown | ||
| Telechat date | |||
| Responsible AD | (None) | ||
| Send notices to | (None) | ||
Network Working Group D. Pinkas
Request for Comments: 3126 Integris
Category: Informational J. Ross
N. Pope
Security & Standards
September 2001
Electronic Signature Formats
for long term electronic signatures
Status of this Memo
This memo provides information for the Internet community. It does
not specify an Internet standard of any kind. Distribution of this
memo is unlimited.
Copyright Notice
Copyright (C) The Internet Society (2001). All Rights Reserved.
Abstract
This document defines the format of an electronic signature that can
remain valid over long periods. This includes evidence as to its
validity even if the signer or verifying party later attempts to deny
(i.e., repudiates the validity of the signature).
The format can be considered as an extension to RFC 2630 and RFC
2634, where, when appropriate additional signed and unsigned
attributes have been defined.
The contents of this Informational RFC is technically equivalent to
ETSI TS 101 733 V.1.2.2. The ETSI TS is under the ETSI Copyright (C).
Individual copies of this ETSI deliverable can be downloaded from
http://www.etsi.org
Pinkas, et al. Informational [Page 1]
RFC 3126 Electronic Signature Formats September 2001
Table of Contents
1. Introduction 4
2 Overview 5
2.1 Aim 5
2.2 Basis of Present Document 5
2.3 Major Parties 6
2.4 Electronic Signatures and Validation Data 7
2.5 Forms of Validation Data 8
2.6 Extended Forms of Validation Data 11
2.7 Archive Validation Data 13
2.8 Arbitration 15
2.9 Validation Process 15
2.10 Example Validation Sequence 16
2.11 Additional optional features 21
3. Data structure of an Electronic Signature 22
3.1 General Syntax 22
3.2 Data Content Type 22
3.3 Signed-data Content Type 22
3.4 SignedData Type 22
3.5 EncapsulatedContentInfo Type 23
3.6 SignerInfo Type 23
3.6.1 Message Digest Calculation Process 23
3.6.2 Message Signature Generation Process 24
3.6.3 Message Signature Verification Process 24
3.7 CMS Imported Mandatory Present Attributes 24
3.7.1 Content Type 24
3.7.2 Message Digest 24
3.7.3 Signing Time 24
3.8 Alternative Signing Certificate Attributes 24
3.8.1 ESS Signing Certificate Attribute Definition 25
3.8.2 Other Signing Certificate Attribute Definition 25
3.9 Additional Mandatory Attributes 26
3.9.1 Signature policy Identifier 26
3.10 CMS Imported Optional Attributes 28
3.10.1 Countersignature 29
3.11 ESS Imported Optional Attributes 29
3.11.1 Content Reference Attribute 29
3.11.2 Content Identifier Attribute 29
3.11.3 Content Hints Attribute 29
3.12 Additional Optional Attributes 30
3.12.1 Commitment Type Indication Attribute 30
3.12.2 Signer Location attribute 32
3.12.3 Signer Attributes attribute 33
3.12.4 Content Time-Stamp attribute 34
3.13 Support for Multiple Signatures 34
3.13.1 Independent Signatures 34
3.13.2 Embedded Signatures 34
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