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Consider a pay TV provider serving countless users, who concurrently want to watch a live transmission of a soccer world championship. How can the provider restrict access to authorized users? Conventional access control systems, where users are supposed to log in and authenticate themselves, will likely be overloaded. This book introduces Electronic Subscriptions as a practicable solution for addressing the mentioned problem by using cryptographic primitives. It provides a solid theoretical background and gives practical solutions for such scenarios. Several questions are investigated, among others: How to ensure that only legitimate users are addressed? How to limit the validity of authorizations (e.g. year, month etc.)? How to revoke authorized users?
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This product may contain chemicals known to the State of California to cause cancer,
birth defects, or other reproductive harm.
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⚠️ California Proposition 65 Warning: Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
