Certificate authorities verify the owner information of certificates by signing them.

learn more… | top users | synonyms (1)

2
votes
1answer
186 views

Sending Digital Certificates

I used the makecert tool in order to create: a self-signed certificate a server certificate using the self-signed certificate a client certificate using the self-signed certificate I then ...
1
vote
3answers
756 views

Benefits to using EV certificates with a privately hosted Certificate Authority

For companies that have implemented their own internal CA, is there any benefit to configuring that CA to issue an EV certificate? Do any SSL Proxies (like Bluecoat) mimic the EV certificate of the ...
1
vote
1answer
636 views

Why a web server HTTPS certificate can't sign its subdomain HTTPS certificates?

Why having a valid certificate for "exampe.com" I can't make a "child" certificate for "subdomain.example.com"? What insecurities will arise if browsers start allowing domain's certificates to be ...
1
vote
2answers
434 views

Create a SSL certificate and sign it with a personal certificate which in turn is signed by a certificate authority [duplicate]

I have a personal certificate which is signed by a certificate authority. This certificate is unrestricted with respect to its allowed purposes. Is it possible to create a SSL server certificate on my ...
1
vote
2answers
121 views

Is there any point to keeping a “Verified by X” image on the page for a page secured by SSL?

So, I saw this on a page: (The redacted part says the name of the entity that owns the domain) The page recently got SSL certs verified by GeoTrust. The image is on ...
1
vote
2answers
86 views

SSL Certificate Trust Model

I have been looking at the SSL Certificate Trust Model, and there is something that does not make sense. If I am correct, the trust model makes it that if there is a chain of certificates with a ...
1
vote
3answers
505 views

How can I get my SSL certificate signed by an CA for web application that runs on localhost

I have a web application that runs on localhost. I have a self-signed certificate for tomcat configured but when loading the website on firefox, I get a security exception. Can I get a CA to sign my ...
1
vote
2answers
13k views

Error code: sec_error_untrusted_issuer

I need help with a security issue concerning this code that has just been popping up recently as I visit my favorite websites. Based on some past history I KNOW something is not right, and I am not ...
1
vote
2answers
98 views

Will CA's still validate internal IP's in SSL certs?

Just wondering what Certificate Authority (CA) policy is nowadays on validating someone's internal IP address in a certificate? I have heard that some CA's used to do this but won't anymore.
1
vote
1answer
4k views

How can you check the installed Certificate Authority in windows 7/8?

And know which are not default ones installed by Microsoft?
1
vote
2answers
128 views

SSL-certificates for overlapping domain regions?

Suppose, a server hosts https://www.master.com/ and thus is equipped with a (single domain) SSL certificate. Furthermore, suppose there are some web apps below master.com: ...
1
vote
3answers
67 views

Can any website secured using TLS can be impersonated using a rogue certificate issued by a rogue CA?

Any website secured using TLS can be impersonated using a rogue certificate issued by a rogue CA. This is irrespective of which CA issued the website’s true certificate and of any property of that ...
1
vote
3answers
1k views

How trustable is third party root certificates?

i recently tried to use fiddler2 from third party vendor telerik,while decrypting the https traffic of my network it asked me to install its own root certifcate in my windows operating system : have ...
1
vote
1answer
273 views

Signature and Timestamp for Long Term Document Archival Question

I have a PDF document intended for long-term (many years, maybe decades) archival which I would like to digitally sign with my personal certificate to ensure its integrity. As far as I understand, I ...
1
vote
2answers
94 views

Why would Comodo SSL certs have two intermediate CAs (chain length 4)?

Comodo certs such as PositiveSSL have a chain length of 4, including two intermediate CA certs. What would be the benefit to them, or to me, of this length chain instead of a chain length of 3 with a ...
1
vote
2answers
3k views

Unrecognized leaf certificate

Every 15 minutes or so I get this message in my system.log Apr 25 22:05:36 Ivans-MacBook-Pro.local apsd[194]: Unrecognized leaf certificate Apr 25 22:20:57 Ivans-MacBook-Pro.local apsd[194]: ...
1
vote
4answers
178 views

search CA for someone's public key

do CAs offer service wherein an application can request someone's public key? i am trying to do this but i am unsure if it is correct (suggestions of better ways to do it will be most appreciated): ...
1
vote
1answer
1k views

Windows' default certificate store for intermediate vs trusted root certificates - my self signed root CA cert goes to 'intermediate' by default?

Is it possible to create self-signed root CA certificate that Windows will import to Trusted Root by default instead of Intemediate certificate store ? Obviously, it won't do it without the big giant ...
1
vote
1answer
934 views

How does a developer interact with Microsoft Certificate *Web Services*

Microsoft Certificate Web Services is a HTTPS web service (WS-Trust) that has no Kerberos dependency and can be used on a variety of devices. This is new in Windows 2008 and is separate from the ...
1
vote
1answer
408 views

When distributing a CRL over HTTP, what is the optimal refresh time? What logic affects this decision?

When distributing a CRL over HTTP, what is the optimal cache and max age settings (etc) for this distribution mechanism? Related information on a different answer Consider using HTTP instead ...
1
vote
1answer
423 views

Purpose and Uses of Root SSL Certificates

I'm trying to wrap my head around the technical inner-workings of SSL and one of the last things I'm choking with is the concept of "root" SSL certificates (as opposed to "non-root"?!?). When and ...
1
vote
2answers
912 views

How does DCOM authentication compare to RPC based authentication/auth?

The following paragraph from MSFT Best Practices for 2003 PKI says Windows 2000 authenticated via RPC vs 2003 that authenticates using DCOM A CA running Windows Server 2003, Enterprise Edition, ...
1
vote
2answers
126 views

Does Convergence solve the problem of hacked CAs?

My question is about the Firefox AddOn Convergence. So my question is if it is possible for convergence to observe that a phishing-site which is verified by fake Certificate because a hacker of a CA ...
1
vote
1answer
68 views

How will SHA1 deprecation affect SHA1 roots in OS/Browser trust stores.

I understand the SHA1 deprecation policy applies to CA's issuing SHA2 end-entity certs and intermediates starting Jan 2017 but how will this policy affect the actual root certificates in OS/Browser ...
1
vote
1answer
70 views

How to convert SSL Certificate for mobile app?

I am in the current process of renewing my SSL cert for my website. I also have a mobile app for my site. I want to use the same cert from my website in my mobile app. How can I do this? Thanks - I ...
1
vote
1answer
97 views

Self-signing client certificates and distributing them, is the following a sound procedure?

I have a case at hand as follows: There is a number of clients in Internet (i.e. untrusted channel), initially in hundreds but growing in numbers. There is a server doing processing related to these ...
1
vote
1answer
197 views

CSR from IIS 8 and Keeping my Private Key a Secret

I've been trying to understand something. When you generate a CSR from IIS, how is the private key kept as a secret, or is it? Do CA's email you a certificate that includes your private key? Because ...
1
vote
1answer
111 views

How to safely renew user and CA certificates in a PKI

I am currently developing my own PKI where x.509-client-certificates are issued by a public server. At the moment, the CA-public key is distributed with the binary and there are no routines for ...
1
vote
2answers
62 views

determine X.509 certificate class

I am very familiar with OpenPGP but don't even use X.509 / S/MIME. I know that there are several classes for certificates (from email check to personal ID check). I would like to know how you ...
1
vote
1answer
104 views

Are “Certificate Templates” used only as a “Template” or do they validate a certificate request?

I'm trying to learn how Microsoft Certificate Templates interact with a certificate request, and can only guess that they take on one of the two/three forms: They simply help the client create a ...
1
vote
1answer
76 views

How to Delete duplicates in CA Bundle Certificate File

I do have a big CA bundle certificate file and each time if i get request to add new certificate to the existing bundle i need to make sure it is not present already. How i can validate the ...
1
vote
1answer
69 views

what harm can a malicious ca do?

If ca's act in the interests of an eavesdropper, what is the worst they cold do? I guess they can decrypt traffic not using perfect forward secrecy and impersonate the server. Is this the case?
1
vote
2answers
92 views

Authentication through digital certificates plus signature

While studying X.509 certificates, I've found that authentication is safer if I associate/combine one or more certificates with each signed message (certificate + signed message). The receiver of ...
1
vote
1answer
65 views

Are there other ways for a CA to have their certificates included in a browser?

From what I understand, the certificate authorities (CAs) have to get their root certificate included in the browser. What if the root certificate of a particular CA is not included in the web ...
1
vote
1answer
42 views

In a 3 tier (or more) PKI, is it permissible that a Name Constraint only be defined on the middle tier?

I'm working with an Issuing CA that doesn't support name constraints that are defined at a higher level. Assuming that it issues certificates that are compliant with the Name Constraints that are ...
1
vote
1answer
236 views

Generate CSR with 2 OU Names

I have to create an application which generates a CSR. While generating a CSR we are required to fill in several details like CN, OU, etc. The problem is that the Certifying Authority to which I have ...
1
vote
1answer
292 views

are organizations that receive certificates considered “end entities” in a PKI?

I am trying to understand the term end-entity. Does this term just mean anybody that plays a role in a PKI system that is not a CA? So if I request a certificate from A who is a CRL issuer for ...
1
vote
1answer
198 views

How to have Thunderbird include a root certificate?

An eMail signed via S/MIME also contains the X.509 certificate chain containing the public key in order to directly verify the signature (assuming its issuing CA is deemed trustworthy). The chain does ...
1
vote
2answers
988 views

Self-signed certificates usage for code signing purposes

if a self-signed certificate is trusted by the client's certificate store, then it should be fine to be used, since the client trusts the issuer of the certificate as it does any other trusted CA ...
1
vote
1answer
78 views

For SSL certs, is some sort of connection to the issuing CA (or other network resource) required for the SSL connection to be established?

I was reading an article on creating a certificate authority, and came up with this question when I came to the section entitled "Distribute your certificates and CRL". Background: I am deploying ...
1
vote
1answer
3k views

How do I use OpenSSL with the Java Keytool?

I believe I understand how OpenSSL works, and I believe I have a good game plan for setting up an SSL server on my private network, but before I go through the process of downloading and configuring ...
1
vote
2answers
173 views

SSL/TLS Certificate Authority supply policy

I would like to ask for recommendations regarding the following issue: As a company with a number of customers worldwide we supply our product to many different sites. We need to shape our policy ...
1
vote
0answers
58 views

Open ldap start tls succesful even after CA is removed

I have one question related to how openldap and openssl handles the CA and server certificates. I have openldap client using openssl. My intention is to establish a ldaps connection to the ldap ...
1
vote
2answers
72 views

Public e-mail Encryption Certificate

I'm quite new to this, so don't be too hard on me. I'm currently using the CipherMail MTA to generate e-mail encryption certificates. I created an own CA and public and private keys for our contact ...
1
vote
1answer
196 views

What is the advantage of buying an SSL certificate from the CA rather than a reseller?

I am trying to do some research on SSL certificates, and I've come across a number of reseller sites such as GoGetSSL, which offer certificates at much lower prices than what you would pay if you ...
1
vote
0answers
37 views

Is the root CA certificate required in the .crt file? [duplicate]

I am setting up SSL on Nginx with a free StartSSL certificate. Based on the instructions given on this StartSSL page I created a unified certificate containing the CA's root certificate, Intermediate ...
1
vote
0answers
62 views

Deploying software that requires X.509 certificates

I have a self-hosted WCF application, with a server application running on the server (obviously) and a client application that will be installed on the users PC. Up until this point I have been ...
1
vote
0answers
46 views

Does Active Directory Certificate Services support Card Verifiable Certificates?

Does Active Directory Certificate Services support accepting requests for, and generation of, Card Verifiable Certificates (TR-03110)? If so, in which version of Windows Server was the functionality ...
1
vote
0answers
52 views

Cetificate Pinning. How do we handle the situation where a website is visited for the first time?

What I essentially mean to ask is, how is the scenario where a user who visits a website for the first time (the certificate for the website is not pinned in the browser) handled ? Additionally how is ...
1
vote
1answer
86 views

Root certifcate from an CA company which can be encrpyted by SoftHSM

Does anybody know a CA company which allows me to put the bought CA certficate inside SoftHSM (the same as an HSM but without any hardware, it is pure software)? Is it hard to work with the PKCS11 ...