On 20 May 2003 at 10:25, Giuliano Bertoletti wrote:

> 
> You are assuming that cipher block size is equal to cipher key size,
> which is not true in general.
> Call the BlockSize() member of the encryptor/decryptor to obtain the
> block length.
> 
I tried using BlockSize() but my output was still the same. Thats 
because in my case, the the key size was 16 and BlockSize() also 
returned 16. 

> A much better approach is you let the library do the job by using a
> PaddedEncryptor.
> 
> There are also better ways to supply the key to the encryptor/decryptor
> (i.e. PKCS5).
> >From what I see, you seem to consider the password and the key used in
> the block cipher the same thing, which is a dangerous thing (even if it
> may work in your case).

The version of crypto++ I am using is 4.2, in AESEcnryptor you can 
only specify the key, you cannot specify the password, or the iv 
> 
> Yusuf Khan-YUK wrote:
> > 
> >  am having a problem with AES encryption, decryption using
> > crypto++4.2. The decrypted string contains extra characters than the
> > input.
> 
> -- 
> Giuliano Bertoletti
> e-Security Manager
> 
> 
> Intrinsic - Security Monitoring
> http://www.intrinsic.it
> 
> COOL-FIRE: la soluzione Firewall per Windows NT/2000
> http://www.symbolic.it/Prodotti/cool-fire.html
> 
> SYMBOLIC S.p.A. Tel: +39 0521 776180 / Fax: +39 0521 776190
> 


Best Regards
YUK


Reply via email to