[openssl-users] Migration from AES_ctr128_encrypt to EVP
Vladimir A. Petrov
vaporg at gmail.com
Mon Aug 15 11:23:18 UTC 2016
I was solved. Actually we had a bit old version of the OpenSSL library in
our repository which didn't contain CTR support. Upgrade resolved the
problem. BTW, e.g. this page https://www.openssl.org/docs/manmaster/crypto/
does not have a reference on EVP_aes_128_ctr.
On Aug 8, 2016 11:08 PM, "Dr. Stephen Henson" <steve at openssl.org> wrote:
> On Mon, Aug 08, 2016, Vladimir A. Petrov wrote:
> > Hello,
> > I need to migrate some code from the old style software implemented
> > AES_ctr128_encrypt to the EVP interface. I spent pretty much time reading
> > OpenSSL manual pages and Wiki as well as googling. Unfortunately, I still
> > can't get an idea how to migrate from these AES_* functions to the API
> > provided by EVP. The closest info that I found is the proposal made by Dr
> > Stephen N. Henson (
> > https://mta.openssl.org/pipermail/openssl-users/2015-March/000776.html)
> > switch to EVP_aes_128_ctr, but there is no such 'ctr' mode in EVP for
> I'm not sure what you mean by "but there is no such 'ctr' mode in EVP for
> AES": can you clarify?
> Dr Stephen N. Henson. OpenSSL project core developer.
> Commercial tech support now available see: http://www.openssl.org
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