TLS/SSL certificate format

TLS/SSL certificate format
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Subject Author Date
TLS/SSL certificate format Epic Wamz 08-06-2004
Posted by Epic Wamz on August 6, 2004, 10:32 am
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I am attempting to write a simple TLS/SSL implementation (for fun),
and have run into a question I can't find an answer for. I would
appreciate it if someone could help me out.

When the server sends a Server_Certificate message during the
handshake, what format is the certificate in? The rfc just says it's a
x509v3 certificate. When I create a certificate using openssl, I can
do it in pem format, der format, pkcs12 format, etc… None of these
formats appears to be how the certificate is actually sent across the
wire.

What am I missing? Does anyone know what format the certificate needs
to be in, how to use opensll to create a certificate in the correct
"across-the-wire" format, and/or any other program that could create
such a certificate?

Thanks


Posted by Bruce Stephens on August 7, 2004, 2:13 am
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i60zrafl02@sneakemail.com (Epic Wamz) writes:

[...]

> What am I missing? Does anyone know what format the certificate
> needs to be in, how to use opensll to create a certificate in the
> correct "across-the-wire" format, and/or any other program that
> could create such a certificate?

It'll be DER.


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