RE: rsa_sign versus RSA_private_encrypt

2010-10-28 Thread Bob Dijck
14:31 To: openssl-users@openssl.org Subject: Re: rsa_sign versus RSA_private_encrypt On Thu, Oct 28, 2010, Bob Dijck wrote: > Thank you, Steve, for the swift reply. > Can I use i2d_X509_SIG to perform to encapsulation step (supposing I have to > use RSA_private_encrypt)? > Well yo

Re: rsa_sign versus RSA_private_encrypt

2010-10-28 Thread Kenneth Goldman
owner-openssl-us...@openssl.org wrote on 10/28/2010 03:07:18 AM: > From: Bob Dijck > > I am trying to implement a signing function in C++ using RSA. > Here’s how I wanted to do this: > - First I calculate the SHA1 hash (not using openssl but another > implementation). > - But then what? Sho

Re: rsa_sign versus RSA_private_encrypt

2010-10-28 Thread Dr. Stephen Henson
On Thu, Oct 28, 2010, Bob Dijck wrote: > Thank you, Steve, for the swift reply. > Can I use i2d_X509_SIG to perform to encapsulation step (supposing I have to > use RSA_private_encrypt)? > Well you can if you want but RSA_sign() does all that for you. There is an easier way: the encapsulation

RE: rsa_sign versus RSA_private_encrypt

2010-10-28 Thread Bob Dijck
. Stephen Henson Sent: donderdag 28 oktober 2010 12:32 To: openssl-users@openssl.org Subject: Re: rsa_sign versus RSA_private_encrypt On Thu, Oct 28, 2010, Bob Dijck wrote: > Hello, > > I am trying to implement a signing function in C++ using RSA. Here's how I > wanted to do this: - Firs

Re: rsa_sign versus RSA_private_encrypt

2010-10-28 Thread Dr. Stephen Henson
On Thu, Oct 28, 2010, Bob Dijck wrote: > Hello, > > I am trying to implement a signing function in C++ using RSA. Here's how I > wanted to do this: - First I calculate the SHA1 hash (not using openssl but > another implementation). - But then what? Should I use RSA_private_encrypt > or rsa_sign