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Thread: Encrypt / Decrypt MD5 hash

  1. #1
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    Encrypt / Decrypt MD5 hash

    How to encrypt and decrypt MD5 hash...?

  2. #2
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    Re: Encrypt / Decrypt MD5 hash

    Do you mean to ask how to check a md5 checksum of a file?

    md5sum filename

    If you don't have md5sum installed then you need to sudo apt-get install coreutils first.

    Otherwise, not sure what you mean here.

  3. #3
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    Re: Encrypt / Decrypt MD5 hash

    This is MD5 Hash

    4786f3282f04de5b5c7317c490c6d922

    How to decrypt this..?

  4. #4
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    Re: Encrypt / Decrypt MD5 hash

    You can't.

    You can compute the MD5 hash of a file to see if it matches that one, but you can't recover a file from its MD5 hash.

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    Re: Encrypt / Decrypt MD5 hash

    Quote Originally Posted by getyourkarthick
    How to encrypt and decrypt MD5 hash...?
    Recommended reading: http://en.wikipedia.org/wiki/Cryptog..._hash_function

    The best you can do is brute force it. (Actually that's not exactly true, but if you have to ask this question my guess is you won't be cryptanalyzing it.)

  6. #6
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    Re: Encrypt / Decrypt MD5 hash

    Quote Originally Posted by getyourkarthick View Post
    This is MD5 Hash

    4786f3282f04de5b5c7317c490c6d922

    How to decrypt this..?
    I bet you are trying something malicious to crack the userpassword.

    Just a hint:use rainbow table.

    Password = vvv
    Last edited by ibuclaw; October 24th, 2010 at 12:23 PM. Reason: use sensible font.

  7. #7
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    Re: Encrypt / Decrypt MD5 hash

    Quote Originally Posted by wacky_sung View Post
    I bet you are trying something malicious to crack the userpassword.

    Just a hint:use rainbow table.

    Password = vvv
    You know it might not really add to security if you help someone to crack a password. You should point him in the right directions at most in my opinion.
    Last edited by ibuclaw; October 24th, 2010 at 12:24 PM. Reason: use sensible font

  8. #8
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    Re: Encrypt / Decrypt MD5 hash

    I thought linux passwords were hashed with SHA256 and salted. I don't see how rainbow tables would help with that - or maybe I'm wrong. Based on the question and level of knowledge the OP doesn't appear to be trying to do this anyway. This thread has gotten way off track.
    Last edited by BkkBonanza; October 24th, 2010 at 08:48 AM.

  9. #9
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    Re: Encrypt / Decrypt MD5 hash

    Quote Originally Posted by BkkBonanza View Post
    I thought linux passwords were hashed with SHA256 and salted. I don't see how rainbow tables would help with that - or maybe I'm wrong. Based on the question and level of knowledge the OP doesn't appear to be trying to do this anyway. This thread has gotten way off track.
    FYI it has nothing to do with linux passwords.The md5sum is found through SQL injection in the web application where you can found the username and password in md5sum.

    Quote Originally Posted by mainerror View Post
    You know it might not really add to security if you help someone to crack a password. You should point him in the right directions at most in my opinion.
    He shall be social responsibility for his own action.Probably he just wanna use it for learning.


  10. #10
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    Re: Encrypt / Decrypt MD5 hash

    Quote Originally Posted by wacky_sung View Post


    He shall be social responsibility for his own action.Probably he just wanna use it for learning.


    And you are "social responsibility," for contributing to every suspicious question and activity.

    That said, I sincerely wish the OP good luck if they're conducting legitimate activity.

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