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The BD+ virtual machine embedded in authorized players will execute programs included in Blu-ray discs, allowing to verify the player's keys, transform the output so that content is unscrambled, and/or execute native code to patch the system against vulnerabilities. Based on concept of self-protecting digital content. ROM-Mark
There are potential weaknesses in the implementation of the protocol between the dongle and the copy-controlled software. For example, a simple implementation might define a function to check for the dongle's presence, returning "true" or "false" accordingly, but the dongle requirement can be easily circumvented by modifying the software to always answer "true".
End-to-end auditable or end-to-end voter verifiable (E2E) systems are voting systems with stringent integrity properties and strong tamper resistance.E2E systems use cryptographic techniques to provide voters with receipts that allow them to verify their votes were counted as cast, without revealing which candidates a voter supported to an external party.
This CAPTCHA (reCAPTCHA v1) of "smwm" obscures its message from computer interpretation by twisting the letters and adding a slight background color gradient.A CAPTCHA (/ ˈ k æ p. tʃ ə / KAP-chə) is a type of challenge–response test used in computing to determine whether the user is human in order to deter bot attacks and spam.
As of 2017, formal verification has been applied to the design of large computer networks through a mathematical model of the network, [17] and as part of a new network technology category, intent-based networking. [18] Network software vendors that offer formal verification solutions include Cisco [19] Forward Networks [20] [21] and Veriflow ...
A file can become corrupted by a variety of ways: faulty storage media, errors in transmission, write errors during copying or moving, software bugs, and so on. Hash-based verification ensures that a file has not been corrupted by comparing the file's hash value to a previously calculated value. If these values match, the file is presumed to be ...
Discord’s policies say U.S. users cannot join unless they’re at least 13 years old, but has no system to verify a user’s self-reported age. Age verification has become a hot-button issue in ...
However, non-repudiation can be provided by systems that securely bind key usage information to the MAC key; the same key is in the possession of two people, but one has a copy of the key that can be used for MAC generation while the other has a copy of the key in a hardware security module that only permits MAC verification. This is commonly ...