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Hmac - Sha1

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Post new topic   Reply to topic   Printer-friendly version    Networking/Security Forums Index -> Cryptographic Theory and Cryptanalysis - Internal and Transmission Security

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entropista
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Joined: 30 Jul 2004
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PostPosted: Fri Jul 30, 2004 4:20 pm    Post subject: Hmac - Sha1 Reply with quote

Hello everyone

i have a little problem here , i know a software that is capable a resigning xbox saves , so i was interested in the way it works , i havent been able to decompile it because it is encrypted , although the prgram is very small and simple
but what i know from it that it uses a HMAC-SHA1 or a SHA1 algorithm to work , lets say it needs an Auth Key and a Sig Key for the program to caculate it
lets say a Sig Key and a Auth Key looks Like That
dd46a68db08c6b0086fde4f198e0c656
However , i dont know anything about that type of encryption method , and where do these numbers come from
i have tried to hash , checksum , verefie the files but nothing happens
could you please halp me in anyway you can , like telling me where should i start from and what sort of knowledge or software i need
Thank you
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data
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Joined: 08 May 2004
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Location: India

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PostPosted: Mon Aug 02, 2004 9:31 am    Post subject: Reply with quote

hi,


the SHA-1 algorithm is defined in FIPS 180-1

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