There are specific functions for this, so I assume there is something
not good about using plain SHA1. Botan (C++ library) and Java have
password to key support I think.
2009/8/18 Jan Germann <jan (at) jans-site (dot) de [email concealed]>:
> I done by using cryptografic hashfunctions, like sha...
>
> Am Dienstag, den 18.08.2009, 17:50 +0200 schrieb M.D.Mufambisi:
>> Hello people.
>>
>> 1. When a passphrase is used a key in symetric cryptography, how does
>> the pass phrase map to the key in an algorithm like AES? ie....how
>> many letters correspond to 1 bit? etc?
>>
>>
>> Regards
>>
>> Munyaradzi Mufambisi
--
Jamie Riden / jamesr (at) europe (dot) com [email concealed] / jamie (at) honeynet.org (dot) uk [email concealed]
http://www.ukhoneynet.org/members/jamie/
not good about using plain SHA1. Botan (C++ library) and Java have
password to key support I think.
http://en.wikipedia.org/wiki/PBKDF2
http://tools.ietf.org/html/rfc2898
cheers,
Jamie
2009/8/18 Jan Germann <jan (at) jans-site (dot) de [email concealed]>:
> I done by using cryptografic hashfunctions, like sha...
>
> Am Dienstag, den 18.08.2009, 17:50 +0200 schrieb M.D.Mufambisi:
>> Hello people.
>>
>> 1. When a passphrase is used a key in symetric cryptography, how does
>> the pass phrase map to the key in an algorithm like AES? ie....how
>> many letters correspond to 1 bit? etc?
>>
>>
>> Regards
>>
>> Munyaradzi Mufambisi
--
Jamie Riden / jamesr (at) europe (dot) com [email concealed] / jamie (at) honeynet.org (dot) uk [email concealed]
http://www.ukhoneynet.org/members/jamie/
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