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  2. Tesseract (software) - Wikipedia

    en.wikipedia.org/wiki/Tesseract_(software)

    Tesseract is an optical character recognition engine for various operating systems. [ 5] It is free software, released under the Apache License. [ 1][ 6][ 7] Originally developed by Hewlett-Packard as proprietary software in the 1980s, it was released as open source in 2005 and development was sponsored by Google in 2006. [ 8]

  3. Munged password - Wikipedia

    en.wikipedia.org/wiki/Munged_password

    A munged password (pronounced / ˈmʌndʒ /) refers to the practice of creating a password with common replacement strategies. [ 1] For example, replacing 'S' with '$' or '5' in a password. Alternatively, it can be seen as an application of Leet speak. It can lead to creation of secure passwords which are easy to remember [ 2], although they ...

  4. Salt (cryptography) - Wikipedia

    en.wikipedia.org/wiki/Salt_(cryptography)

    Salt (cryptography) In cryptography, a salt is random data fed as an additional input to a one-way function that hashes data, a password or passphrase. [1] Salting helps defend against attacks that use precomputed tables (e.g. rainbow tables ), by vastly growing the size of table needed for a successful attack.

  5. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    A PDF file is often a combination of vector graphics, text, and bitmap graphics. The basic types of content in a PDF are: Typeset text stored as content streams (i.e., not encoded in plain text ); Vector graphics for illustrations and designs that consist of shapes and lines;

  6. Unicode - Wikipedia

    en.wikipedia.org/wiki/Unicode

    Unicode, formally The Unicode Standard, [ note 1] is a text encoding standard maintained by the Unicode Consortium designed to support the use of text in all of the world's writing systems that can be digitized. Version 15.1 of the standard [ A] defines 149 813 characters [ 3] and 161 scripts used in various ordinary, literary, academic, and ...

  7. Password strength - Wikipedia

    en.wikipedia.org/wiki/Password_strength

    Password strength. Options menu of the random password generation tool in KeePass. Enabling more character subsets raises the strength of generated passwords a small amount, whereas increasing their length raises the strength a large amount. Password strength is a measure of the effectiveness of a password against guessing or brute-force attacks.

  8. Kerning - Wikipedia

    en.wikipedia.org/wiki/Kerning

    In typography, kerning is the process of adjusting the spacing between characters in a proportional font, usually to achieve a visually pleasing result. Kerning adjusts the space between individual letterforms while tracking (letter-spacing) adjusts spacing uniformly over a range of characters. [ 1] In a well kerned font, the two-dimensional ...

  9. Non-breaking space - Wikipedia

    en.wikipedia.org/wiki/Non-breaking_space

    Non-breaking space. In word processing and digital typesetting, a non-breaking space ( ), also called NBSP, required space, [ 1] hard space, or fixed space (in most typefaces, it is not of fixed width ), is a space character that prevents an automatic line break at its position. In some formats, including HTML, it also prevents consecutive ...