Re: Question about Diffie-Hellma

2007-03-02 Thread Marek Marcola
Hello, > > I have a cipher suit : > > TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA > > > > What is It meant "TLS_DHE_RSA" Combine between RSA with > > Diffie-Hellman ?? RSA is key transport. DH is key agreement. How do they > > use together ?? Please help. > > > When we use Ephemeral DH, we need to u

Re: Question about Diffie-Hellma

2007-03-02 Thread badra
: Thursday, March 01, 2007 15:30 To: openssl-users@openssl.org Subject: RE: Question about Diffie-Hellma Here is how DH works: 1. server determines p, q, sends p and q to client. 2. server selects a random number priv_key_s, computes pub_key_s = q^priv_key_s mod p, sends pub_key_s to

Re: Question about Diffie-Hellma

2007-03-02 Thread Victor Duchovni
On Fri, Mar 02, 2007 at 09:24:27AM -0600, Dinh, Thao V CIV NSWCDD, K72 wrote: > > I have a cipher suit : > TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA > > What is It meant "TLS_DHE_RSA" Combine between RSA with $ openssl ciphers -v kEDH+aRSA+3DES+SHA EDH-RSA-DES-CBC3-SHASSLv3 Kx=DH

RE: Question about Diffie-Hellma

2007-03-02 Thread Dinh, Thao V CIV NSWCDD, K72
lto:[EMAIL PROTECTED] On Behalf Of Xiaoyu Ruan Sent: Thursday, March 01, 2007 15:30 To: openssl-users@openssl.org Subject: RE: Question about Diffie-Hellma Here is how DH works: 1. server determines p, q, sends p and q to client. 2. server selects a random number priv_key_s, computes pub

Re: Question about Diffie-Hellma

2007-03-01 Thread Victor B. Wagner
On 2007.03.01 at 14:12:55 -0600, Dinh, Thao V CIV NSWCDD, K72 wrote: > >Questions: >1) each peer can independently compute the shared secrete What is >meant ?? Client has one shared key, Server has different shared key??? It is meant that only public keys are transferred over ne

RE: Question about Diffie-Hellma

2007-03-01 Thread Dinh, Thao V CIV NSWCDD, K72
Thank You very much Xiaoyu -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Xiaoyu Ruan Sent: Thursday, March 01, 2007 15:30 To: openssl-users@openssl.org Subject: RE: Question about Diffie-Hellma Here is how DH works: 1. server determines p, q

RE: Question about Diffie-Hellma

2007-03-01 Thread Xiaoyu Ruan
: Question about Diffie-Hellma Hi All I have a hard time to understand Diffie-Hellia Key agreement. This is a DH structure Typedef structure dh_st { BEGIUM *p; BEGIUM *q; BEGIUM *pub_key; BEGIUM *priv_key; } According to Openssl Book " p and q, each pair chooses a random

Question about Diffie-Hellma

2007-03-01 Thread Dinh, Thao V CIV NSWCDD, K72
Hi All I have a hard time to understand Diffie-Hellia Key agreement. This is a DH structure Typedef structure dh_st { BEGIUM *p; BEGIUM *q; BEGIUM *pub_key; BEGIUM *priv_key; } According to Openssl Book " p and q, each pair chooses a random large integer priv_key member. A value for