Hi,
I see the doc. But, I'm afraid to say my question is still unanswered. Is
this function (PKCS5_PBKDF2_HMAC) supposed to generate same or diff output
over multiple calls with the same input? I see the latter and I want to
know what, if any, I'm doing incorrect.
Thanks a lot for your help/favor!
Anant
On Sat, Apr 26, 2014 at 2:12 PM, Matt Caswell <fr...@baggins.org> wrote:
> On 26 April 2014 20:38, Jeffrey Walton <noloa...@gmail.com> wrote:
> > On Sat, Apr 26, 2014 at 3:18 PM, Anant Rao <a...@noknok.com> wrote:
> >> I'm doing password encryption (and decryption) in Java. I need to port
> this
> >> to C.
> >> In Java, I'm doing this:
> >>
> >> PBEKeySpec ("somepassphrase", some_salt, some iterations, 128
> >> /*key_length*/);
> >> Algorithm is "PBKDF2WithHmacSHA1"
> >>
> >> If I generate a secret key with the above data, I get the same output
> with
> >> multiple runs of the program.
> >>
> >> In C, I tried doing something similar using OpenSSL:
> >>
> >> EVP_BytesToKey(EVP_aes_128_cbc(), EVP_sha1(), salt, passphrase,
> >> strlen(passphrase), nrounds, key, NULL /*iv*/);
> > How about PKCS5_PBKDF2_HMAC?
> >
> > There are no docs on it, but a patch is sitting in RT at
> > https://rt.openssl.org/Ticket/Display.html?id=3293&user=guest&pass=guest
> .
> > Download the POD file and open it with a text editor.
> >
>
> This is now in git:
>
>
> http://git.openssl.org/gitweb/?p=openssl.git;a=commit;h=6bcc4475fcdb2ea5daae80cbb2a5a5fcf677ac23
>
> Matt
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