On Tue, Apr 01, 2008, shankar ks wrote: > Hi all/ > > I am shiva, working on security issues using Openssl Api's. Our requirement > is we need to Sign the file, compress the file , encrypt the file as a > CMS(crypto graphic message syntax) package. > I am able to do the signing, compression, encryption using the OpenSSl Api's > in C language. But our requirement is we need to envelope the signed , > compressed and encrypted files as a CMS package. > > Basically we are using > RSA_sign > EVP_EncryptUpdate > RSA_public_encrypt for signing and encryption of the data. > > > But we did not understand how to implement those as a CMS package. I am > thinking Implementing the above functions it self implementation of CMS, but > I am not sure about it, can you please conform whether I am correct or not ? > if I am wrong, is there any functions that I need to implement for the CMS. > And one more doubt is does using of openssl Api's will implement the CMS or > not ? > > If all my understating is wrong please let me know what are the > implementations for the CMS using the openssl.
The functions above have nothing to do with CMS. They just handle raw data. OpenSSL has supported PKCS#7 for some time but not CMS. CMS support is currently under development in HEAD and the API is not currently documented other than the "cms" utility. 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 [EMAIL PROTECTED]
