Decrypt TLS (DHE cypher) inside of TDS (Microsoft SQL Tabular Data Stream protocol)

Is there a possibility to decrypt TLS data encapsulated within TDS Microsoft TSQL protocol?

The TLS handshake seems to occur within TDS data, right after the TDS pre-login
The handshake itself is missing the client Hello (starts directly … Continue reading Decrypt TLS (DHE cypher) inside of TDS (Microsoft SQL Tabular Data Stream protocol)

Openssl command to verify authenticity of CA Issuer? And the "magic" behind it? [duplicate]

I am not confident in my understanding of Certificate Authority and signing certificates. I’m wondering how do you verify the authenticity of an issuer when inspecting an entity certificate.
Here’s the scenario that I am using to improve … Continue reading Openssl command to verify authenticity of CA Issuer? And the "magic" behind it? [duplicate]

"Your connection is not private" error on a locally published application [closed]

I am facing an issue where some (not all) Windows 10 machines receive a CERT_AUTHORITY_INVALID error when they are trying to open an internal application:

When I observed on the firewall it was directing clients towards a blocked IP. I re… Continue reading "Your connection is not private" error on a locally published application [closed]

Real Time Decryption of TLS 1.3 packets Asked today Modified today [closed]

I am attempting to perform real time decryption of TLS 1.3 packets (TLS_AES_256_GCM_SHA384). I have retrieved the mastersecrets for the specific flow by using uprobes on OpenSSL, and matched the mastersecrets to the flow using ClientRandom… Continue reading Real Time Decryption of TLS 1.3 packets Asked today Modified today [closed]

How is issuing a certificate revocation response different from re-issuing the certificate itself?

I am reading about how certificates work in the context of X.509, SSL/TLS/HTTPS. According to Wikipedia, the client (e.g. a browser) is supposed to check the revocation status for each non-root certificate as a part of certification path v… Continue reading How is issuing a certificate revocation response different from re-issuing the certificate itself?