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Unable to get security certificates from HTTPS Server

 
tarandeep sawhney
Greenhorn
Posts: 2
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Hi
Below is the requirement for which i need to get hold of security certificate.

The Requirement:
Prior to processing standard Net Connect HTTPS transactions, the Net Connect client must check the certificate on the HTTPS server.

The client must check the following four conditions in order to validate if certificate is valid:
1) The URL in the certificate must match the URL retrieved from ECALS
2) The certificate must be from a valid certificate authority
3) The certificate must not be expired

When i open http connection to HTTPS URL and debug, HttpURLConnection object, i could notice security certificates in the object.
I need help in how to get these certificates from HttpConnection InputStream.

I've tried doing:

is = httpcon.getInputStream();
CertificateFactory cf = CertificateFactory.getInstance("X509");
X509Certificate c = (X509Certificate) cf.generateCertificate(is);

but it throws exception "Invalid DER Encoded format".

Not sure how to get hold of certificates at HTTPS server.

Look fwd to timely help

regards
tarandeep
 
Sat Ram
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Looks like this is a very old thread ..but I am now in this ..any resolution was found for the below...
The Requirement:
Prior to processing standard Net Connect HTTPS transactions, the Net Connect client must check the certificate on the HTTPS server.

The client must check the following four conditions in order to validate if certificate is valid:
1) The URL in the certificate must match the URL retrieved from ECALS
2) The certificate must be from a valid certificate authority
3) The certificate must not be expired


thanks
 
Wouter Oet
Saloon Keeper
Posts: 2700
IntelliJ IDE Opera
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I don't really see your question. What have you tried and why did it fail?
 
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