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-SHA    SSLv3 Kx=DH       Au=RSA  Enc=3DES(168) Mac=SHA1

    - Ephemeral Diffie-Hellman key exchange (signed with server's
    public key).

    - RSA authentication via (at least) a server certificate with an RSA
    public key.

    - Triple-DES CBC content encryption

    - SHA1 Digest for Messsage integrity.

> Diffie-Hellman ?? RSA is key transport. DH is key agreement. How do they
> use together ?? Please help.
> 

There are books and RFCs that answer this question.

-- 
        Viktor.
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