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  1. #1
    SitePoint Addict bimalpoudel's Avatar
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    d41d8cd98f00b204e9800998ecf8427e MD5 Hash of an emtpy string

    This is the MD5 Hash of an empty string:
    d41d8cd98f00b204e9800998ecf8427e

    This looks like too complicated and unpredictable password.
    But, if you search this string in google, you can receive a lot of results regarding this word.

    Have you seen it elsewhere?
    Bimal Poudel @ Sanjaal Framework over Smarty Template Engine
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  2. #2
    secure webapps for all Aleksejs's Avatar
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    Well - that is one of main reasons why password systems should not use unsalted hashes for password storage.
    hash(password) = bad
    hash(password+salt) = better
    HMAC_hash(password,salt) = even better
    Better yet use salt and dedicated key derivation functions: bcrypt or scrypt

  3. #3
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    There are various reverse MD5 sites. Basically, databases of passwords and their MD5.
    Like this Reverse MD5 hash lookup
    You would find the MD5 for an empty string and many more on these sites.

    <snip/>
    Last edited by ScallioXTX; Jun 16, 2011 at 05:24. Reason: please wait 90 days to avail of a signature

  4. #4
    SitePoint Member itscolumn's Avatar
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    Hash is some sort of a one way encryption......it is not easy to retrieve back the original value


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