Hashing related question's
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Thread: Hashing related question's

  1. #1
    StOrM™
    Join Date
    Aug 2004
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    Hashing related question's

    There is this question that is really bugging me.. It's on a test sim for CISSP..

    Here is the question as it is:

    What hashing algorithm is implimented by IPSec

    Options:

    MD5
    SHA-1
    HAVAL
    HMAC..

    The answer is HMAC !

    HMAC isn't an algorithm ! its a type of MAC
    Shouldn't SHA-1 be the answer ?
    Parth Maniar,
    CISSP, CISM, CISA, SSCP

    *Thank you GOD*

    Greater the Difficulty, SWEETER the Victory.

    Believe in yourself.

  2. #2
    AO's Filibustier Cheap Scotch Ron's Avatar
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    A Hash Message Authentication Code, is a type of message authentication "code" calculated using a specific algorithm that uses a cryptographic hash function in combination with a secret key. It verifies both the data integrity and the authenticity. Any iterative cryptographic hash function, such as MD5 or SHA-1, may be used to calc an HMAC. the resulting MAC is termed HMAC-MD5 or HMAC-SHA1 accordingly.

    I surmise they are differentiating between the algo and various hash functions.
    In God We Trust....Everything else we backup.

  3. #3
    StOrM™
    Join Date
    Aug 2004
    Posts
    1,003
    Thanks mate..
    Parth Maniar,
    CISSP, CISM, CISA, SSCP

    *Thank you GOD*

    Greater the Difficulty, SWEETER the Victory.

    Believe in yourself.

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