[MASOCH-L] SHA1 e MD5

[Rodrigo Ristow Branco]

sobre o MD5

http://en.wikipedia.org/wiki/MD5#External_links
             Two colliding PostScript files with the same
size<http://www.cits.rub.de/MD5Collisions/>
              http://www.cits.rub.de/MD5Collisions/


MD5 Collision Demo
Collisions in the MD5 cryptographic hash function
http://www.mathstat.dal.ca/~selinger/md5collision/

...
The following is an improvement of Diaz's example, which does not need a
special extractor. Here are two pairs of executable programs (one pair runs
on Windows, one pair on Linux).

   - *Windows version:*
      - hello.exe<http://www.mathstat.dal.ca/%7Eselinger/md5collision/hello.exe>.
      MD5 Sum: cdc47d670159eef60916ca03a9d4a007
      - erase.exe<http://www.mathstat.dal.ca/%7Eselinger/md5collision/erase.exe>.
      MD5 Sum: cdc47d670159eef60916ca03a9d4a007
   - *Linux version (i386):*
      - hello<http://www.mathstat.dal.ca/%7Eselinger/md5collision/hello>.
      MD5 Sum: da5c61e1edc0f18337e46418e48c1290
      - erase<http://www.mathstat.dal.ca/%7Eselinger/md5collision/erase>.
      MD5 Sum: da5c61e1edc0f18337e46418e48c1290

...




On 9/10/07, Carlos Henrique <carloshenrique at urbi.com.br> wrote:
>
>
> Pessoal,
>
> Gostaria de saber qual algoritmo de hash é o mais seguro, o MD5 ou o SHA1?
> Tem alguma vantagem de se implementar um ou outro, para armazenamento de
> senhas em bando de dados?
>
> Forte abraço
> Carlos Henrique
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