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  2. PhotoDNA - Wikipedia

    en.wikipedia.org/wiki/PhotoDNA

    PhotoDNA is a proprietary image-identification and content filtering technology [1] ... which raises concerns about the reversibility of a PhotoDNA hash. [41] See also

  3. Perceptual hashing - Wikipedia

    en.wikipedia.org/wiki/Perceptual_hashing

    Perceptual hashing is the use of a fingerprinting algorithm that produces a snippet, hash, or fingerprint of various forms of multimedia. [1] [2] A perceptual hash is a type of locality-sensitive hash, which is analogous if features of the multimedia are similar.

  4. Salt (cryptography) - Wikipedia

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

    The salt and hash are then stored in the database. To later test if a password a user enters is correct, the same process can be performed on it (appending that user's salt to the password and calculating the resultant hash): if the result does not match the stored hash, it could not have been the correct password that was entered.

  5. List of hash functions - Wikipedia

    en.wikipedia.org/wiki/List_of_hash_functions

    hash HAS-160: 160 bits hash HAVAL: 128 to 256 bits hash JH: 224 to 512 bits hash LSH [19] 256 to 512 bits wide-pipe Merkle–Damgård construction: MD2: 128 bits hash MD4: 128 bits hash MD5: 128 bits Merkle–Damgård construction: MD6: up to 512 bits Merkle tree NLFSR (it is also a keyed hash function) RadioGatún: arbitrary ideal mangling ...

  6. Wikipedia:Images - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Images

    Wikipedia:Picture of the day is an image which is automatically updated each day with an image from the list of featured pictures. The {{}} template produces the image shown above.

  7. File:Hash table 4 1 1 0 0 1 0 LL.svg - Wikipedia

    en.wikipedia.org/wiki/File:Hash_table_4_1_1_0_0...

    A-level Computing/AQA/Paper 1/Fundamentals of data structures/Hash tables and hashing; Usage on fa.wikipedia.org درهم‌سازی دوگانه; Usage on fr.wikipedia.org Collision (informatique) Usage on id.wikipedia.org Hash; Usage on is.wikipedia.org Tætifall; Usage on it.wikipedia.org Collisione hash; Usage on it.wikiversity.org

  8. Child abuse image content list - Wikipedia

    en.wikipedia.org/wiki/Child_abuse_image_content_list

    The child abuse image content list (CAIC List) is a list of URLs and image hashes provided by the Internet Watch Foundation to its partners to enable the blocking of child pornography & criminally obscene adult content in the UK and by major international technology companies.

  9. Hemp Museum Gallery - Wikipedia

    en.wikipedia.org/wiki/Hemp_Museum_Gallery

    In 1985, Ben Dronkers opened the Hash, Marihuana & Hemp Museum in Amsterdam, [6] the world's first museum devoted to cannabis. Years later, he opened a second location in Barcelona. Years later, he opened a second location in Barcelona.