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A2 Key for Schools is designed for school-aged learners. It is one of the exams that make up Cambridge English Qualifications for Schools. The two tests have the same exam format; e.g. number of papers, number of questions, and time allowance. They both help students to develop real-life communication skills, and both lead to the same certificate.
Key stretching. In cryptography, key stretching techniques are used to make a possibly weak key, typically a password or passphrase, more secure against a brute-force attack by increasing the resources (time and possibly space) it takes to test each possible key. Passwords or passphrases created by humans are often short or predictable enough ...
The Vigenère cipher ( French pronunciation: [viʒnɛːʁ]) is a method of encrypting alphabetic text where each letter of the plaintext is encoded with a different Caesar cipher, whose increment is determined by the corresponding letter of another text, the key . For example, if the plaintext is attacking tonight and the key is ...
data encryption key (DEK) used to encrypt the underlying data. derived key - keys computed by applying a predetermined hash algorithm or key derivation function to a password or, better, a passphrase. DRM key - A key used in digital rights management to protect media. electronic key - (NSA) key that is distributed in electronic (as opposed to ...
Keystroke logging. Keystroke logging, often referred to as keylogging or keyboard capturing, is the action of recording (logging) the keys struck on a keyboard, [1] [2] typically covertly, so that a person using the keyboard is unaware that their actions are being monitored. Data can then be retrieved by the person operating the logging program.
Two Indian states began voting in local elections on Tuesday in a test of strength for India’s opposition, which is pitted against Prime Minister Narendra Modi’s ruling party ahead of a ...
Key rollover is the ability of a computer keyboard to correctly handle several simultaneous keystrokes. A keyboard with n-key rollover ( NKRO) can correctly detect input from each key on the keyboard at the same time, regardless of how many other keys are also being pressed. Keyboards that lack full rollover will register an incorrect keystroke ...
July 11, 2024 at 12:17 PM. WASHINGTON (AP) — President Joe Biden has a fresh opportunity Thursday to try to prove to the American public that he’s capable of serving another four years after ...