Jeeva Chelladhurai wrote:
>
> Hi,
>
> I am new to crypto.
>
> I have to support PBKDF2 of PKCS #5 v2.0 in one of my projects. Would I be able
> to get free implementation for the same?
>
PKCS#5 v2.0 is supported by OpenSSL, indeed it was used to generate the
test vectors using on RSAs site. Check out crypto/evp/p5_crpt2.c
in the function
PKCS5_PBKDF2_HMAC_SHA1()
> Is SHA_1 is different from HMAC with SHA_1?
>
Yes. OpenSSL supports both. See the HMAC manual page and RFC2104 for
more info.
> Could somebody guide me how to use SHA_1 of openssl?
>
> Is there any pointer that would through some light about all the above?
>
man EVP_DigestInit for the preferred API or man SHA for the low level
API.
Steve.
--
Dr Stephen N. Henson. http://www.drh-consultancy.demon.co.uk/
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