All Questions
Tagged with expiration-date certificates
6 questions
3
votes
1
answer
3k
views
How does the SSL/TLS protocol determine if a certificate is expired or not?
I already tried googling but no luck. All search results always tell you how to check cert expiration manually, but that is not my question. Yes I can use OpenSSL for example, but what I am asking is ...
- 139
3
votes
1
answer
1k
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Why does Windows consider a certificate valid even after its expiration time?
I downloaded Google's Cloud SDK installer today, and upon checking the certificate to validate it, I noticed something strange: the expiration date of the certificate appears to be December 22nd 2019 -...
- 33
1
vote
1
answer
3k
views
Request certificate expiration date in CSR
I want to see how my application will behave in case if the SSL certificate expires.
CSR are signed by CA, so they are not self-signed and the validity period is 2 years. For my test I want to set ...
- 422
1
vote
0
answers
118
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How does PGP web of trust handle certificate expiration?
I have certificate that expires in two years. I'll probably try to participate in key signing party so I get to know what it actually looks like.
What happens in two years? When my certificate ...
- 111
5
votes
3
answers
604
views
How do short lived certificates increase security?
After reading a blog post about the new Roughtime protocol, I am not convinced of the original premise that shorter certificate lifetimes increase security. The claim is that a shorter time somehow ...
- 34.7k
3
votes
2
answers
3k
views
How can an expired SSL certificate make the server and/or client vulnerable to MITM attacks? [duplicate]
When I see the warning on my browser about "Invalid Certificate" or "Untrusted Certificate" , I might have doubt about a MITM attack at my network. Should I have the same concern when I see that the ...
- 507