> chandu wrote:
>
> Hi every body,
>
> I have a doubt regarding PKCS7_DataInit functions...
>
> I want to know the purpose of the functions PKCS7_DataInit,
> PKCS7_DataUpdate and PKCS7_DataFinal functions... and their
> application...
>
PKCS7_DataInit() and PKCS7_DataFinal() are low level PKCS7 routines used
for signing and encrypting data in PKCS#7 routines for S/MIME. Unless
you have a good reason for using them the higher level routines
PKCS7_sign() and PKCS7_encrypt() should be used instead.
Steve.
--
Dr Stephen N. Henson. http://www.drh-consultancy.demon.co.uk/
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Core developer of the OpenSSL project: http://www.openssl.org/
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