On Tue, Jun 16, 2009, Chris Bare wrote: > Is there a way to find the size of the der-encoded CMS object without writing > it to a file/buffer first? > > I'm doing this: > > cms = CMS_sign(scert, skey, NULL, mem, flags); > > i2d_CMS_bio(server, cms); > > but I need to send the size to the server in a header before I send the CMS.
Yes, all ASN1 structures follow the same rules in the i2d/d2i functions. See: http://www.openssl.org/support/faq.html#PROG3 but in this case you'd use i2d_CMS_ContentInfo(). Steve. -- Dr Stephen N. Henson. Email, S/MIME and PGP keys: see homepage OpenSSL project core developer and freelance consultant. Homepage: http://www.drh-consultancy.demon.co.uk ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List openssl-users@openssl.org Automated List Manager majord...@openssl.org
