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Generally, an escape character is not a particular case of (device) control characters, nor vice versa.If we define control characters as non-graphic, or as having a special meaning for an output device (e.g. printer or text terminal) then any escape character for this device is a control one.
While the missing characters are often literary and not commonly used in ordinary text, this does become a problem because people's names often contain these characters. An example of the problem is the Taiwanese politician Wang Chien-shien who has a xuān (煊) character in his name which is not in some character systems, and former Chinese ...
A simple illustration of public-key cryptography, one of the most widely used forms of encryption. In cryptography, encryption is the process of transforming (more specifically, encoding) information in a way that, ideally, only authorized parties can decode.
The problem that exists in e-mail does not exist with Web pages since HTTP accepts 8-bit characters. However, one problem that does exist is that computer programs have difficulties determining whether to treat a character as Shift JIS, EUC-JP, or UTF-8 – hence character code information should be specified with a HTTP response header or a ...
A password policy is a set of rules designed to enhance computer security by encouraging users to employ strong passwords and use them properly. A password policy is often part of an organization's official regulations and may be taught as part of security awareness training.
An example of an IDN homograph attack; the Latin letters "e" and "a" are replaced with the Cyrillic letters "е" and "а".The internationalized domain name (IDN) homoglyph attack (often written as homograph attack) is a method used by malicious parties to deceive computer users about what remote system they are communicating with, by exploiting the fact that many different characters look ...
The cipher illustrated here uses a left shift of 3, so that (for example) each occurrence of E in the plaintext becomes B in the ciphertext. In cryptography , a Caesar cipher , also known as Caesar's cipher , the shift cipher , Caesar's code , or Caesar shift , is one of the simplest and most widely known encryption techniques.
Unicode equivalence is the specification by the Unicode character encoding standard that some sequences of code points represent essentially the same character. This feature was introduced in the standard to allow compatibility with preexisting standard character sets, which often included similar or identical characters.