My question was stupid, I think that I'm very tired.

Thank you Philip,

-----Message d'origine-----
De : mi400-bounces@xxxxxxxxxxxx [mailto:mi400-bounces@xxxxxxxxxxxx]De la
part de Hall, Philip
Envoye : vendredi 3 septembre 2004 15:55
A : MI Programming on the AS400 / iSeries
Objet : RE: [MI400] How does it do ?

> I think (may be I'm
> wrong) that it's impossible to decypher the encrypted string to obtain
> directly a clear and readable password.

It takes about 20 mins to decrypt an iSeries password, using brute force on
a medium spec PC.

> So, I don't understand how the OS/400 do to control the rule based on the
> In other words,  how the OS/400 do to tell me that there is a "same
> character in same position as previous password" (CPF22C8) when I want to
> change my current password ?

Didn't you also type in your existing password in clear form, as well as the
new password...since the system has both now in the clear from your


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