Hi Alan,

  It looks like it is doing machine authentication, in which case the

Correct.

certs (both client and server) need the machine authentication OIDs,

I read that again and again, but I already have these OID in the certs. Here a dump of my server-cert:

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number: 40 (0x28)
        Signature Algorithm: sha1WithRSAEncryption
Issuer: C=DE, ST=Berlin, L=Berlin, O=KHB HfM HfS, OU=ServiceCenter-IT, CN=ServiceCenter-IT_KHB_HfM_HfS/[EMAIL PROTECTED]
        Validity
            Not Before: Aug 10 09:33:43 2006 GMT
            Not After : Aug 10 09:33:43 2007 GMT
Subject: C=DE, ST=Berlin, L=Berlin, O=KHB HfM HfS, OU=ServiceCenter-IT, CN=radius.verwaltung.kh-berlin.de/[EMAIL PROTECTED]
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
            RSA Public Key: (4096 bit)
                Modulus (4096 bit):
[...]
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Basic Constraints:
                CA:FALSE
            Netscape Cert Type:
                SSL Server
            Netscape Comment:
                TinyCA Generated Certificate
            X509v3 Subject Key Identifier:
                42:A9:4A:9F:04:88:71:B1:78:D4:1A:5D:00:A5:66:8E:78:C0:45:FF
            X509v3 Authority Key Identifier:

keyid:B9:39:B6:CE:8A:52:91:2E:AE:CE:16:24:18:B1:F4:D8:30:3D:04:2E
DirName:/C=DE/ST=Berlin/L=Berlin/O=KHB HfM HfS/OU=ServiceCenter-IT/CN=ServiceCenter-IT_KHB_HfM_HfS/[EMAIL PROTECTED]
                serial:89:0D:6F:61:AC:0C:E0:05

            X509v3 Issuer Alternative Name:
                email:[EMAIL PROTECTED]
            X509v3 Subject Alternative Name:
                email:[EMAIL PROTECTED]

            X509v3 Extended Key Usage: critical
                TLS Web Server Authentication
!!!!!!!!!!!!!!

    Signature Algorithm: sha1WithRSAEncryption
[...]

Isn't that exactly what it should like?

And here the client:
Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number: 42 (0x2a)
        Signature Algorithm: sha1WithRSAEncryption
Issuer: C=DE, ST=Berlin, L=Berlin, O=KHB HfM HfS, OU=ServiceCenter-IT, CN=ServiceCenter-IT_KHB_HfM_HfS/[EMAIL PROTECTED]
        Validity
            Not Before: Sep  1 11:18:32 2006 GMT
            Not After : Sep  1 11:18:32 2007 GMT
Subject: C=DE, ST=Berlin, L=Berlin, O=KHB HfM HfS, OU=ServiceCenter-IT, CN=vinfo-t1/[EMAIL PROTECTED]
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
            RSA Public Key: (4096 bit)
                Modulus (4096 bit):
[...]
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Basic Constraints:
                CA:FALSE
            Netscape Cert Type:
                SSL Client, S/MIME, Object Signing
            Netscape Comment:
                TinyCA Generated Certificate
            X509v3 Subject Key Identifier:
                C0:72:0A:91:71:D9:E7:A9:73:CC:B4:B0:AD:17:B4:ED:61:AF:06:B9
            X509v3 Authority Key Identifier:

keyid:B9:39:B6:CE:8A:52:91:2E:AE:CE:16:24:18:B1:F4:D8:30:3D:04:2E
DirName:/C=DE/ST=Berlin/L=Berlin/O=KHB HfM HfS/OU=ServiceCenter-IT/CN=ServiceCenter-IT_KHB_HfM_HfS/[EMAIL PROTECTED]
                serial:89:0D:6F:61:AC:0C:E0:05

            X509v3 Issuer Alternative Name:
                email:[EMAIL PROTECTED]
            X509v3 Subject Alternative Name:
                email:[EMAIL PROTECTED]
            X509v3 Key Usage: critical
                Digital Signature, Key Encipherment

            X509v3 Extended Key Usage: critical
                TLS Web Client Authentication
!!!!!!!!!

    Signature Algorithm: sha1WithRSAEncryption
[...]


What else could be a problem? How do you guys handle the "host/<netbiosname>" problem? Could that brake the cert?

TIA
 Alex


--
ServiceCenter IT - Alexandros Gougousoudis (Leiter)

Gemeinsame Einrichtung der Kunsthochschule Berlin-Weissensee, Hochschule für Musik "Hanns Eisler" und der Hochschule für Schauspielkunst "Ernst Busch".

Tel.: 030 / 477 05 - 444 * Fax.: 030 / 477 05 - 445


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