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  2. MD5 - Wikipedia

    en.wikipedia.org/wiki/MD5

    The MD5 message-digest algorithm is a widely used hash function producing a 128-bit hash value. MD5 was designed by Ronald Rivest in 1991 to replace an earlier hash function MD4, [3] and was specified in 1992 as RFC 1321. MD5 can be used as a checksum to verify data integrity against unintentional corruption.

  3. Rainbow table - Wikipedia

    en.wikipedia.org/wiki/Rainbow_table

    For instance, MD5-Crypt uses a 1000 iteration loop that repeatedly feeds the salt, password, and current intermediate hash value back into the underlying MD5 hash function. [4] The user's password hash is the concatenation of the salt value (which is not secret) and the final hash.

  4. Cryptographic hash function - Wikipedia

    en.wikipedia.org/wiki/Cryptographic_hash_function

    MD5 was designed by Ronald Rivest in 1991 to replace an earlier hash function, MD4, and was specified in 1992 as RFC 1321. Collisions against MD5 can be calculated within seconds, which makes the algorithm unsuitable for most use cases where a cryptographic hash is required. MD5 produces a digest of 128 bits (16 bytes).

  5. Salted Challenge Response Authentication Mechanism - Wikipedia

    en.wikipedia.org/wiki/Salted_Challenge_Response...

    This inclusion is called channel binding, as the lower encryption channel is 'bound' to the higher application channel. Alice then has an authentication of Bob, and Bob has authentication of Alice. Taken together, they have mutual authentication. DIGEST-MD5 already enabled mutual authentication, but it was often incorrectly implemented. [2] [3]

  6. md5sum - Wikipedia

    en.wikipedia.org/wiki/Md5sum

    md5sum is a computer program that calculates and verifies 128-bit MD5 hashes, as described in RFC 1321. The MD5 hash functions as a compact digital fingerprint of a file. As with all such hashing algorithms, there is theoretically an unlimited number of files that will have any given MD5 hash.

  7. Comparison of cryptographic hash functions - Wikipedia

    en.wikipedia.org/wiki/Comparison_of...

    MD5: 128 128 512 64 32 64 PANAMA: 256 8736 256 – 32 – RadioGatún: ... Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; ...

  8. Cryptography - Wikipedia

    en.wikipedia.org/wiki/Cryptography

    Cryptography prior to the modern age was effectively synonymous with encryption, converting readable information to unintelligible nonsense text , which can only be read by reversing the process . The sender of an encrypted (coded) message shares the decryption (decoding) technique only with the intended recipients to preclude access from ...

  9. md5deep - Wikipedia

    en.wikipedia.org/wiki/Md5deep

    Since version 2.0, the md5deep package contains several different programs able to perform MD5, SHA-1, SHA-256, Tiger192 and Whirlpool digests, each of them named by the digest type followed by the word "deep". Thus, the name may confuse some people into thinking it only provides the MD5 algorithm when the package supports many more.