Hi Sagar,

No, I do not see any engine support.  That code appears to use AES_encrypt 
directly, and evp.h has hints but nothing enabled:

#if 0
const EVP_CIPHER *EVP_aes_128_ctr(void);
#endif

Also, if the hardware you have (you didn't say what it was) is not supported by 
OpenSSL then the hardware vendor (or yourself) would have to implement engine 
code to perform the operations.

  Erik


From: sagar gupta 
Subject: Re: RE: AES in counter mode no support in openssl

can that aes_ctr.c be used to connect to hardware driver. I have a hardware 
driver which can implement the encryption method for more performance.

Thanks

On Thu, 02 Sep 2010 03:30:20 +0530 wrote
>

OpenSSL 1.0.0a has aes_ctr.c in the crypto/aes directory.
 
Erik Tkal



Subject: AES in counter mode
no support in openssl

hi all,

I was working on the Openssl1.0.0 version for AES cryptographic support in
counter mode i.e; AES-CTR mode. I did not find any support added to the
openssl1.0.0 version. I wanted to ask that is there support for AES counter
mode in openssl?? if Yes which version of Openssl support AES counter mode?? if
no I wanted to know why the support for AES counter mode is not added into the
openssl?? 

Any help or answers in this regard will be really useful for me. Thanks for all
in Advance. please do give me some answers for my questions.


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