[EMAIL PROTECTED] wrote:
>
> Hi all,
>
> I am trying to generate an RSA keys pair and extract it to an (RSA *) which will
> reprensent the public key and another (RSA *) for the private key part.
>
> I am doing (based on demos/eay/loadrsa.c)
>
> RSA *rsa,*pub_rsa,*priv_rsa;
> int len;
> unsigned char buf[1024],*p;
> rsa=RSA_generate_key(512,RSA_F4,callback,(char *)stdout);
> p=buf;
>
> then I would like to go in one step to have the *pub_rsa and *priv_rsa
> initialized...
> ie :
> pub_rsa = RSA_SOMETHINGPUBLIC(rsa);
> priv_rsa = RSA_SOMETHINGPRIVATE(rsa);
>
> in demos/eay/loadrsa.c you can get pub_rsa and priv_rsa by transforming into der
> and next into rsa....but in my case I would do that in one step.
>
Firstly you may well not need to do that.
RSA_generate_key() generates an RSA private key.
An RSA private key can be used as a public key.
If you really want just the public components from a private key then:
rsa_pub = RSAPublicKey_dup(key);
will do the trick.
Steve.
--
Dr Stephen N. Henson. http://www.drh-consultancy.demon.co.uk/
Personal Email: [EMAIL PROTECTED]
Senior crypto engineer, Celo Communications: http://www.celocom.com/
Core developer of the OpenSSL project: http://www.openssl.org/
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