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  2. 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.

  3. Key stretching - Wikipedia

    en.wikipedia.org/wiki/Key_stretching

    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 ...

  4. Password cracking - Wikipedia

    en.wikipedia.org/wiki/Password_cracking

    In cryptanalysis and computer security, password cracking is the process of guessing passwords [1] protecting a computer system. A common approach (brute-force attack) is to repeatedly try guesses for the password and to check them against an available cryptographic hash of the password. [2] Another type of approach is password spraying, which ...

  5. Brute-force attack - Wikipedia

    en.wikipedia.org/wiki/Brute-force_attack

    In cryptography, a brute-force attack consists of an attacker submitting many passwords or passphrases with the hope of eventually guessing correctly. The attacker systematically checks all possible passwords and passphrases until the correct one is found. Alternatively, the attacker can attempt to guess the key which is typically created from ...

  6. Cryptographic hash function - Wikipedia

    en.wikipedia.org/wiki/Cryptographic_hash_function

    t. e. A cryptographic hash function (CHF) is a hash algorithm (a map of an arbitrary binary string to a binary string with a fixed size of bits) that has special properties desirable for a cryptographic application: [1] the probability of a particular. n {\displaystyle n} -bit output result (hash value) for a random input string ("message") is.

  7. L0phtCrack - Wikipedia

    en.wikipedia.org/wiki/L0phtCrack

    L0phtCrack. L0phtCrack is a password auditing and recovery application originally produced by Mudge from L0pht Heavy Industries. It is used to test password strength and sometimes to recover lost Microsoft Windows passwords, by using dictionary, brute-force, hybrid attacks, and rainbow tables. [3] The initial version was released in the Spring ...

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