• A rainbow table is a precomputed table for caching the outputs of a cryptographic hash function, usually for cracking password hashes. Passwords are typically...
    24 KB (3,456 words) - 20:43, 21 April 2024
  • of North London, UK Rainbow 100, a microcomputer Rainbow storage Rainbow table, a data structure used in password cracking Rainbow, an application using...
    10 KB (1,177 words) - 11:41, 19 April 2024
  • compromised by such an attack. Pre-computed dictionary attacks, or "rainbow table attacks", can be thwarted by the use of salt, a technique that forces...
    5 KB (582 words) - 14:36, 31 March 2024
  • The Rainbow Round Table (RRT) of the American Library Association (ALA) is dedicated to supporting the information needs of LGBTQIA+ people, from professional...
    8 KB (831 words) - 21:08, 27 October 2023
  • defend against attacks that use precomputed tables (e.g. rainbow tables), by vastly growing the size of table needed for a successful attack. It also helps...
    13 KB (1,481 words) - 12:57, 9 May 2024
  • at USENIX in 1999. Besides incorporating a salt to protect against rainbow table attacks, bcrypt is an adaptive function: over time, the iteration count...
    26 KB (2,753 words) - 13:07, 14 May 2024
  • RainbowCrack is a computer program which generates rainbow tables to be used in password cracking. RainbowCrack differs from "conventional" brute force...
    2 KB (126 words) - 00:58, 20 April 2024
  • can send X, look up response Y in the table and get K. This attack can be made practical by using rainbow tables. However, existing NTLMv1 infrastructure...
    29 KB (3,412 words) - 22:48, 23 March 2024
  • added to the password reduces the ability to use precomputed hashes (rainbow tables) for attacks, and means that multiple passwords have to be tested individually...
    13 KB (1,341 words) - 20:54, 6 May 2024
  • logarithms Rainbow tables in cryptography, where the adversary is trying to do better than the exponential time required for a brute-force attack. Rainbow tables...
    5 KB (738 words) - 20:29, 24 April 2024
  • Thumbnail for Digest access authentication
    which allows the client to prevent chosen-plaintext attacks, such as rainbow tables that could otherwise threaten digest authentication schemes Server nonce...
    24 KB (2,878 words) - 14:29, 9 March 2024
  • pre-computed dictionary attacks, such as a rainbow table, are feasible. In 2003, Ophcrack, an implementation of the rainbow table technique, was published. It specifically...
    19 KB (1,913 words) - 08:57, 8 May 2024
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    Beijing was commissioned to analyze iPhone's encrypted device logs. A rainbow table correlating phone numbers and email accounts was created during investigation...
    24 KB (2,313 words) - 18:52, 16 May 2024
  • Thumbnail for Password
    necessary. If it is hashed but not salted then it is vulnerable to rainbow table attacks (which are more efficient than cracking). If it is reversibly...
    78 KB (8,868 words) - 07:44, 19 May 2024
  • 202, SHA-3 Standard separate from the Secure Hash Standard (SHS). In the table below, internal state means the "internal hash sum" after each compression...
    3 KB (464 words) - 12:44, 20 May 2024
  • Cryptographic hash function Hash function security summary Puzzle friendliness Rainbow table Random oracle RFC 4270: Attacks on Cryptographic Hashes in Internet...
    7 KB (895 words) - 15:44, 13 April 2024
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    project with plans to use FPGAs that allow A5/1 to be broken with a rainbow table attack. The system supports multiple algorithms so operators may replace...
    40 KB (4,570 words) - 00:57, 17 May 2024
  • Thumbnail for Data Encryption Standard
    algorithm against all except brute-force attacks and to strengthen substitution tables, called S-boxes. Conversely, NSA tried to convince IBM to reduce the length...
    59 KB (6,541 words) - 19:15, 14 April 2024
  • Thumbnail for Merkle tree
    Computer programming portal Binary tree Blockchain Distributed hash table Hash table Hash trie Linked timestamping Radix tree Becker, Georg (2008-07-18)...
    15 KB (1,787 words) - 10:01, 19 May 2024
  • string of random characters that modifies the hash to protect against Rainbow table attacks CostFactor (N): Integer CPU/memory cost parameter – Must be...
    15 KB (1,542 words) - 06:32, 30 April 2024
  • Thumbnail for DistrRTgen
    Distributed Free Rainbow Tables (or DistrRTgen) was a volunteer computing project for making rainbow tables for password cracking. By using the Berkeley...
    3 KB (138 words) - 23:13, 1 January 2023
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    obfuscation Key management Multiple encryption Physical Layer Encryption Rainbow table Rotor machine Substitution cipher Television encryption Tokenization...
    33 KB (3,575 words) - 16:40, 8 May 2024
  • Thumbnail for Over the Rainbow
    "Over the Rainbow", also known as "Somewhere Over the Rainbow", is a ballad by Harold Arlen with lyrics by Yip Harburg. It was written for the 1939 film...
    41 KB (3,851 words) - 10:43, 21 May 2024
  • floor(232 × abs(sin(i + 1))) end for // (Or just use the following precomputed table): K[ 0.. 3] := { 0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee } K[ 4....
    41 KB (4,405 words) - 06:04, 10 May 2024
  • Thumbnail for Block cipher mode of operation
    cipher block. The inputs of the listed modes are summarized in the following table: Note: g(i) is any deterministic function, often the identity function....
    52 KB (5,906 words) - 08:12, 7 April 2024
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    Collision attack Preimage attack Birthday attack Brute-force attack Rainbow table Side-channel attack Length extension attack Design Avalanche effect...
    19 KB (2,305 words) - 03:45, 21 May 2024
  • Thumbnail for Ophcrack
    program that cracks Windows log-in passwords by using LM hashes through rainbow tables. The program includes the ability to import the hashes from a variety...
    5 KB (430 words) - 18:56, 13 May 2024
  • separately from the password in a discussion of protecting passwords from rainbow table attacks. This usage did not immediately catch on: for example, Fred...
    8 KB (1,061 words) - 19:58, 10 October 2023
  • The Rainbow was a monthly magazine dedicated to the TRS-80 Color Computer, a home computer made by Tandy Corporation (now RadioShack). It was started...
    13 KB (1,451 words) - 23:07, 27 September 2023
  • Thumbnail for Password strength
    the password when computing the hash, so an attacker precomputing a rainbow table would have to store for each password its hash with every possible salt...
    57 KB (6,298 words) - 20:49, 19 May 2024