RE: ECDSA Certificate use in mod_ssl

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Hi,

Thank you for your reply Sander Temme

> -----Original Message-----
> From: Sander Temme [mailto:sctemme@xxxxxxxxxx]
>
> Takurou,
>
> On Apr 6, 2007, at 12:59 AM, Takurou Saitou wrote:
>
> > The use of CipherSuite of ECDSA is already enabled in OpenSSL,
> > but will there be a plan to support in the future in mod_ssl?
>
> Just to make sure that we are talking about the same thing, how does
> this cipher show up when you run 'openssl ciphers'?  What version of
> openssl is in use?

When I execute 'openssl cipher', CipherSuite of ECDSA is not displayed.
But it is displayed when I appointed CipherSuite of ECDSA directly.

------------------------------------------------------------------------------------------
--------------
$ ./openssl ciphers -v
DHE-RSA-AES256-SHA      SSLv3 Kx=DH       Au=RSA  Enc=AES(256)  Mac=SHA1
DHE-DSS-AES256-SHA      SSLv3 Kx=DH       Au=DSS  Enc=AES(256)  Mac=SHA1
AES256-SHA              SSLv3 Kx=RSA      Au=RSA  Enc=AES(256)  Mac=SHA1
EDH-RSA-DES-CBC3-SHA    SSLv3 Kx=DH       Au=RSA  Enc=3DES(168) Mac=SHA1
EDH-DSS-DES-CBC3-SHA    SSLv3 Kx=DH       Au=DSS  Enc=3DES(168) Mac=SHA1
DES-CBC3-SHA            SSLv3 Kx=RSA      Au=RSA  Enc=3DES(168) Mac=SHA1
DES-CBC3-MD5            SSLv2 Kx=RSA      Au=RSA  Enc=3DES(168) Mac=MD5
DHE-RSA-AES128-SHA      SSLv3 Kx=DH       Au=RSA  Enc=AES(128)  Mac=SHA1
DHE-DSS-AES128-SHA      SSLv3 Kx=DH       Au=DSS  Enc=AES(128)  Mac=SHA1
AES128-SHA              SSLv3 Kx=RSA      Au=RSA  Enc=AES(128)  Mac=SHA1
IDEA-CBC-SHA            SSLv3 Kx=RSA      Au=RSA  Enc=IDEA(128) Mac=SHA1
IDEA-CBC-MD5            SSLv2 Kx=RSA      Au=RSA  Enc=IDEA(128) Mac=MD5
RC2-CBC-MD5             SSLv2 Kx=RSA      Au=RSA  Enc=RC2(128)  Mac=MD5
RC4-SHA                 SSLv3 Kx=RSA      Au=RSA  Enc=RC4(128)  Mac=SHA1
RC4-MD5                 SSLv3 Kx=RSA      Au=RSA  Enc=RC4(128)  Mac=MD5
RC4-MD5                 SSLv2 Kx=RSA      Au=RSA  Enc=RC4(128)  Mac=MD5
EDH-RSA-DES-CBC-SHA     SSLv3 Kx=DH       Au=RSA  Enc=DES(56)   Mac=SHA1
EDH-DSS-DES-CBC-SHA     SSLv3 Kx=DH       Au=DSS  Enc=DES(56)   Mac=SHA1
DES-CBC-SHA             SSLv3 Kx=RSA      Au=RSA  Enc=DES(56)   Mac=SHA1
DES-CBC-MD5             SSLv2 Kx=RSA      Au=RSA  Enc=DES(56)   Mac=MD5
EXP-EDH-RSA-DES-CBC-SHA SSLv3 Kx=DH(512)  Au=RSA  Enc=DES(40)   Mac=SHA1 export
EXP-EDH-DSS-DES-CBC-SHA SSLv3 Kx=DH(512)  Au=DSS  Enc=DES(40)   Mac=SHA1 export
EXP-DES-CBC-SHA         SSLv3 Kx=RSA(512) Au=RSA  Enc=DES(40)   Mac=SHA1 export
EXP-RC2-CBC-MD5         SSLv3 Kx=RSA(512) Au=RSA  Enc=RC2(40)   Mac=MD5  export
EXP-RC2-CBC-MD5         SSLv2 Kx=RSA(512) Au=RSA  Enc=RC2(40)   Mac=MD5  export
EXP-RC4-MD5             SSLv3 Kx=RSA(512) Au=RSA  Enc=RC4(40)   Mac=MD5  export
EXP-RC4-MD5             SSLv2 Kx=RSA(512) Au=RSA  Enc=RC4(40)   Mac=MD5  export

$ ./openssl ciphers -v ECDHE-ECDSA-AES256-SHA
ECDHE-ECDSA-AES256-SHA  SSLv3 Kx=ECDH     Au=ECDSA Enc=AES(256)  Mac=SHA1
------------------------------------------------------------------------------------------
--------------

A version of OpenSSL using is 0.9.8e.

>
> > The following error occurred when I was going to use a certificate
> > of ECDSA in mod_ssl of Apache2.2.4 for trial.
>
> What is the value of your SSLCipherSuite directive in your
> configuration file?

I appoint 'ECDHE-ECDSA-AES256-SHA' in 'SSLCipherSuite' directive
experimentally.

The error that I showed by a previous email is given right after I execute 'httpd -k
start'.
Therefore I think that it is a previous problem with CipherSuite of ECDSA.

Thanks,

Takurou Saitou

>
> Thanks,
>
> S.
>
> --
> sctemme@xxxxxxxxxx            http://www.temme.net/sander/
> Open Source Software Consultant
> PGP FP: 51B4 8727 466A 0BC3 69F4  B7B8 B2BE BC40 1529 24AF
>
> ApacheCon 2007 Europe, May 1-4 in Amsterdam
> http://www.eu.apachecon.com/
>
>
>
>



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