What’s the merit of storing LTV (long term validation) information for RFC3161 tokens and what happens if a TSA private key would leak?

I’ll formulate my question in regards to timestamped PDF, but I wonder actually about the long term validation of RFC3161 tokens in general.
So, PAdES has the concept of Long Term Validation, which means (correct me if I’m wrong), that a d… Continue reading What’s the merit of storing LTV (long term validation) information for RFC3161 tokens and what happens if a TSA private key would leak?

What capabilities does the Kazakhstan root CA have which other "trusted" CA’s don’t?

Kazakhstan recently tried to force users again to install a root CA. This has been rejected again by numerous western tech companies.
https://www.engadget.com/tech-giants-browsers-block-kazakhstan-web-surveillance-080031499.html
How they d… Continue reading What capabilities does the Kazakhstan root CA have which other "trusted" CA’s don’t?

How am I supposed to use a revocation certificate, and can there be multiple revocation certificates for the same private key?

I just generated a revocation certificate for my key. Unfortunately I don’t fully understand the concept. Here are my questions:

How exactly am I supposed to use it?
Suppose for example that my private key gets compromised.
What exactly I… Continue reading How am I supposed to use a revocation certificate, and can there be multiple revocation certificates for the same private key?

CertGetCertificateChain doesn’t recognise revoked certificate if the reason is "unspecified"

In my program I use CertGetCertificateChain to investigate the validity of certificates.
If in my test PKI I revoke a certificate and specify the reason "unspecified", the error code in the last parameter pChainContext->TrustS… Continue reading CertGetCertificateChain doesn’t recognise revoked certificate if the reason is "unspecified"

Chrome showing NET::ERR_CERT_REVOKED but working IE

Chrome (Version 84.0.4147.105 (Official Build) (64-bit)) is not able to access an HTTPS website and giving NET::ERR_CERT_REVOKED error while trying to load the website .On the other hand, IE does allow to access the site.. Just wanted to u… Continue reading Chrome showing NET::ERR_CERT_REVOKED but working IE

CRL Explained: What Is a Certificate Revocation List?

Need to revoke a certificate? There’s a list for that… X.509 digital certificates are integral to public key infrastructure (PKI) and web security as a whole. But what happens when…
The post CRL Explained: What Is a Certificate Revocatio… Continue reading CRL Explained: What Is a Certificate Revocation List?