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BSI PD ISO/IEC TS 23078-3:2021

BSI PD ISO/IEC TS 23078-3:2021

$167.15

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

Published By Publication Date Number of Pages
BSI 2021 40
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This document defines a technical solution for encrypting resources of EPUB publications, effectively registering a device certificate to providers and securely delivering decryption keys to reading systems included in licenses tailored to specific devices. This technical solution uses the passphrase-based authentication method defined in ISO/IEC TS 23078‑2 for reading systems to receive 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
12 4 Abbreviated terms
5 Overview
5.1 General
13 5.2 Protecting the publication
5.3 Licensing the publication
14 5.4 Reading the publication
5.4.1 General
5.4.2 Registering a device
5.4.3 Acquiring a device key-based license document
15 5.4.4 Decrypting a resource
5.5 Licensing workflows
5.5.1 General
5.5.2 Getting a protected publication
16 5.5.3 Transferring a protected publication
17 5.5.4 Register device certificate and update license document
18 6 License document
6.1 General
6.2 Content conformance
6.3 License information
6.3.1 General
6.3.2 Encryption (transmitting keys)
20 6.3.3 Links (pointing to external resources)
21 6.3.4 Rights (identifying rights and restrictions)
6.3.5 User (identifying the user)
6.3.6 Signature (signing the license)
6.4 User key
6.4.1 General
22 6.4.2 Calculating the user key
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
6.5.2 Certificates
23 6.5.3 Canonical form of the license document
6.5.4 Generating the signature
6.5.5 Validating the certificate and signature
6.6 Device key
6.6.1 General
24 6.6.2 Generating the device key
6.6.3 Recommendations for the device private key protection
7 License status document
7.1 General
7.2 Content conformance
25 7.3 License status information
7.3.1 General
7.3.2 Status
7.3.3 Updated
7.3.4 Links
26 7.3.5 Potential rights
7.3.6 Events
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
28 7.4.5 Returning a publication
29 7.4.6 Renewing a license
8 Encryption profiles
8.1 General
8.2 Encryption profile requirements
8.3 Basic encryption profile
30 9 Integration in EPUB
10 Reading system behaviours
10.1 Detecting protected publications
10.2 License document processing
10.3 User key processing
10.4 Signature processing
10.5 Publication processing
10.6 Device key processing
31 Annex A (informative) Examples
33 Annex B (informative) Schema of license document
38 Bibliography

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BSI PD ISO/IEC TS 23078-3:2021
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