which Asymetic algorithem that pkcs7_sign and pkcs_encrypt

[shankar ks]

Hi ,
Do any one have an idea of which algorithems that pkcs7_sign and
pkcs_encrypt Api's will use internally. I wanted to use only Rsa Algorithems
for signing and encryption. but not sure about how to set those Rsa
algorithem before calling sign and encrypt functions.

-- 
--Best Regards
Shankar

Re: which Asymetic algorithem that pkcs7_sign and pkcs_encrypt

[Dr. Stephen Henson]

On Wed, Apr 16, 2008, shankar ks wrote:

 Hi ,
 Do any one have an idea of which algorithems that pkcs7_sign and
 pkcs_encrypt Api's will use internally. I wanted to use only Rsa Algorithems
 for signing and encryption. but not sure about how to set those Rsa
 algorithem before calling sign and encrypt functions.
 

PKCS7_encrypt() uses RSA and whatever symmetric algorithm you specify.

PKCS7_sign() can use RSA, DSA or EC depending on the key type specified. It
will also use a message digest algorithm, normally SHA1.

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
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