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BSI PD ISO/IEC TS 23078-2:2020

BSI PD ISO/IEC TS 23078-2:2020

$189.07

Information technology. Specification of DRM technology for digital publications – User key-based protection

Published By Publication Date Number of Pages
BSI 2020 46
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This document defines a technical solution for encrypting resources in digital publications (especially EPUB) and for securely delivering decryption keys to reading systems, included in licenses tailored to specific users. It also defines a simple passphrase-based authentication method for reading systems to verify the license and access the encrypted resources of such digital publications.

PDF Catalog

PDF Pages PDF Title
2 undefined
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
11 4 Abbreviated terms
5 Overview
5.1 General
12 5.2 Protecting the publication
13 5.3 Licensing the publication
5.4 Reading the publication
14 6 License document
6.1 General
6.2 Content conformance
6.3 License information
6.3.1 General
15 6.3.2 Encryption (transmitting keys)
16 6.3.3 Links (pointing to external resources)
17 6.3.4 Rights (identifying rights and restrictions)
18 6.3.5 User (identifying the user)
19 6.3.6 Signature (signing the license)
20 6.4 User key
6.4.1 General
6.4.2 Calculating the user key
21 6.4.3 Hints
6.4.4 Requirements for the user key and user passphrase
6.5 Signature and public key infrastructure
6.5.1 General
22 6.5.2 Certificates
6.5.3 Canonical form of the license document
23 6.5.4 Generating the signature
25 6.5.5 Validating the certificate and signature
7 License status document
7.1 General
26 7.2 Content conformance
7.3 License status information
7.3.1 General
7.3.2 Status
27 7.3.3 Updated (timestamps)
7.3.4 Links
28 7.3.5 Potential rights
7.3.6 Events
29 7.4 Interactions
7.4.1 General
7.4.2 Handling errors
7.4.3 Checking the status of a license
7.4.4 Registering a device
30 7.4.5 Returning a publication
31 7.4.6 Renewing a license
33 8 Encryption profile
8.1 General
8.2 Encryption profile requirements
34 8.3 Basic encryption profile 1.0
9 Integration in EPUB
9.1 General
9.2 Encrypted resources
35 9.3 Using META-INF/encryption.xml for LCP
36 10 Reading system behavior
10.1 Detecting LCP protected publication
10.2 License document processing
10.2.1 Overall
10.2.2 Validating the license document
10.2.3 Acquiring the publication
10.2.4 License status processing
37 10.3 User key processing
10.4 Signature processing
10.5 Publication processing
38 Annex A (informative) Examples
41 Annex B (informative) Use case scenarios for library lending model
44 Bibliography

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BSI PD ISO/IEC TS 23078-2:2020
$189.07