Information technology - Specification of digital rights management (DRM) technology for digital pub...
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.
Information technology - Specification of digital rights management (DRM) technology for digital pub...
This document describes three types of copyright protection technologies in use in the publishing industry:
— digital rights management (DRM) free protection, i.e. technologies which do not rely on content encryption but rather use content fingerprinting or watermarking, adequate for use cases where user convenience is the top priority;
— user key-based DRM protection, adequate where user…
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-10: Particula...
IEC 61558-2-10:2024 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 61558-2-10:2024 deals with the safety of separating transformers with high insulation level and separating…
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-9: Particular...
IEC 61558-2-9:2024 EXV contains both the international standard and its extended version (EXV). This extended version of the official IEC Standard is available in English only and provides the user with a comprehensive content of the Standard. IEC 61558-2-9:2024 EXV includes the content of the references made to IEC 61558-1:2017.
IEC 61558-2-9:2024 deals with the safety of transformers for…
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-23: Particula...
IEC 61558-2-23:2024 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 61558-2-23:2024 deals with the safety of transformers for construction sites and power supply units…
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-23: Particula...
IEC 61558-2-23:2024 EXV contains both the international standard and its extended version (EXV). This extended version of the official IEC Standard is available in English only and provides the user with a comprehensive content of the Standard. IEC 61558-2-23:2024 EXV includes the content of the references made to IEC 61558-1:2017.
IEC 61558-2-23:2024 deals with the safety of transformers for…
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-9: Particular...
IEC 61558-2-9:2024 deals with the safety of transformers for class III handlamps and power supply units incorporating transformers for class III handlamps. Transformers incorporating electronic circuits are also covered by this document. This third edition cancels and replaces the second edition published in 2010. This edition constitutes a technical revision.
This edition includes the following…
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-10: Particula...
IEC 61558-2-10:2024 deals with the safety of separating transformers with high insulation level and separating transformers with output voltages exceeding 1 000 V. Transformers incorporating electronic circuits are also covered by this document. This second edition cancels and replaces the first edition published in 2014. This edition constitutes a technical revision. This edition includes the…