Re: howto generate RSA key from components?
Thanks for this. I also found the Openssl perl module useful (http://search.cpan.org/dist/Crypt-OpenSSL-RSA/RSA.pm) as it has a function new_key_from_parameters which uses the rsa components to generate a key. Dr. Stephen Henson wrote: On Wed, Apr 11, 2007, Iain Pople wrote: Hi, I am trying to replace a legacy system with openssl. The legacy system used RSA keys but stored them in its own format. I can extract the RSA components but I'm not sure how to generate a PEM formatted RSA key. What is the easiest way to do this? Can the command line tools do it, or do I need to use the API? You can use the mini-ASN1 compiler in OpenSSL 0.9.8 with the asn1parse -genconf option. There is an example of how to generate an RSAPrivateKey structure in the ASN1_generate_nconf manual page which can be fed to asn1parse. Steve. -- Iain Pople Systems Interface Technical Lead University of Melbourne ( __ OpenSSL Project http://www.openssl.org User Support Mailing List[EMAIL PROTECTED] Automated List Manager [EMAIL PROTECTED]
Re: howto generate RSA key from components?
On Wed, Apr 11, 2007, Iain Pople wrote: > Hi, > > I am trying to replace a legacy system with openssl. The legacy system > used RSA keys but stored them in its own format. I can extract the RSA > components but I'm not sure how to generate a PEM formatted RSA key. > What is the easiest way to do this? Can the command line tools do it, or > do I need to use the API? > You can use the mini-ASN1 compiler in OpenSSL 0.9.8 with the asn1parse -genconf option. There is an example of how to generate an RSAPrivateKey structure in the ASN1_generate_nconf manual page which can be fed to asn1parse. Steve. -- Dr Stephen N. Henson. Email, S/MIME and PGP keys: see homepage OpenSSL project core developer and freelance consultant. Funding needed! Details on homepage. Homepage: http://www.drh-consultancy.demon.co.uk __ OpenSSL Project http://www.openssl.org User Support Mailing Listopenssl-users@openssl.org Automated List Manager [EMAIL PROTECTED]
Re: howto generate RSA key from components?
Hello, > I am trying to replace a legacy system with openssl. The legacy system > used RSA keys but stored them in its own format. I can extract the RSA > components but I'm not sure how to generate a PEM formatted RSA key. > What is the easiest way to do this? Can the command line tools do it, or > do I need to use the API? If you have RSA private key components you may use OpenSSL API (RSA/BIGNUM) or you may convert this to ASN1 private key structure (DER format) and next to PEM format. You may use "openssl asn1parse" to display or convert. Some time ago I sent small perl script to do something like that. (conersion from BIND to DER fromat). Hope this helps. Best regards, -- Marek Marcola <[EMAIL PROTECTED]> asn1conv.pl Description: Perl program
howto generate RSA key from components?
Hi, I am trying to replace a legacy system with openssl. The legacy system used RSA keys but stored them in its own format. I can extract the RSA components but I'm not sure how to generate a PEM formatted RSA key. What is the easiest way to do this? Can the command line tools do it, or do I need to use the API? thanks, Iain. -- Iain Pople Systems Interface Technical Lead University of Melbourne __ OpenSSL Project http://www.openssl.org User Support Mailing Listopenssl-users@openssl.org Automated List Manager [EMAIL PROTECTED]
