A piece of data used in public key cryptography that contains identifying information (i.e. email address or web address), a hash of a public key, and a digital signature that authenticates the data in the certificate.

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36 views

Making the Firefox key and CSR creation process transparent

Background I was a bit surprised that several CAs do not allow anymore to send a plain old CSR in text form to them which was created in the classic fashion with OpenSSL or similar. But this would ...
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30 views

Does Activesync certificate authentication replace a password, or act as 2 factor?

I am looking at Activesync authentication and want to know if Certificate Authentication ignores a client username and password or Certificate Authentication requires a username and password ...
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19 views

What are some scenarios I would use MSFT Certificate Enrollment Web Services?

The Certificate Enrollment Policy Web Service and the Certificate Enrollment Web Service are made for non domain connected machines to retrieve certificates of various kinds. When setting this up, I ...
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29 views

Certificate advice for deploying code-signed software as a 3rd party vendor

I am in the process of developing an application for an organization, and am looking for a sanity check on my strategy, especially given the the nature of the SuperFish nonsense that was exposed. The ...
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0answers
27 views

How can i know my security level as “ SSL 256 bit encryption” [duplicate]

I am using openssl tool to create certificate self-signed certificate I have known that [2048 bit SSL] it is the length of the public key then what about [256 bit encryption] how can i know type of ...
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28 views

Proxpy- certificate issue

I am using proxpy, a proxy server written in Python. It comes with its certificates and after installing one of the certificates in Firefox, I got 'Connection is untrusted'. Any help in this regard ...
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81 views

Distribute S/MIME public keys and CA cert for email security

I have my own CA. I want to distribute S/MIME certificates for 10 different users. I saw S/MIME keyservers from http://wiki.cacert.org/KeyServers, but I don't want to use public servers. What is the ...
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1answer
43 views

SSL with client certificate authentication

can somebody explain to me if for example i use Server certificate, with 2048bit keys and client certificate with only 512bit strength, does this use in any way affect the security of the established ...
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30 views

Setup local Certificate Authority & integrate with SCEP

I want setup local Certificate Authority and issue X.509 certificates under my CA. In order to achieve this I am exploring following options such as: OpenSSL/OpenCA BouncyCastle Cryptographic APIs ...
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103 views

Connecting to postgres with SSL

I need help understanding some basics about the postgres database server and SSL. I am developing a Windows desktop application that will connect to a postgres database, in single user mode, with both ...
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2answers
107 views

What kind of SSL certificate do I need? [duplicate]

I am making a web site which can be considered similar to Reddit in some ways. I need to implement a sign up form so I will store informations about the users. My idea is to store the username, ...
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1answer
443 views

Forcing eap-TLS 1.2 authentication with FreeRadius and OpenSSL

Been working with TLS DHECE Certificate Based Handshake with a FreeRADIUS Server and wpa_supplicant- both running OpenSSL 1.0.1j FIPS. Afer watching the Wireshark traffic, I notice that the client ...
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2answers
120 views

Windows Firewall Connection Security with Certificate

I've been fiddling with the Windows firewall configuration of some computers within a VMWare based LAN (no domain). To aid in my testing and debugging, I created a small, self-hosted console ...
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44 views

Signed an executable; appears as unsigned on VMs?

I signed my binary with a certificate issued by GoDaddy. It seems that myself and everyone I could get to test it for me confirms that it is indeed signed (much like signtool verify) However, when I ...
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250 views

If even Apple cannot properly install certificate [closed]

I've just installed a new copy of Mozilla Firefox/29.0 SeaMonkey/2.26.1 on a new Mac with OS X 10.9.4, and I'm getting an error message in place of a webpage when trying to access ...
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102 views

Is a android app signing certificate unique?

The Certificates that are used to sign Android applications are generated by the user and not checked or signed by any authority. They are RSA or DSA Certificates and as i read on ...
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108 views

1.3.6.1.5.5.7.1.12 Logotype extension - how can it be generated from openssl command line

If you look at this subCA Certificate from Verisign http://www.tbs-certificats.com/FAQ/en/495.html?p=en/495.html It has the following field 1.3.6.1.5.5.7.1.12: ...
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35 views

Is SCEP safe if I use a different long and complex password per enrollment, and validate it against expected parameters?

I'm considering using SCEP to enroll iPads and other devices in my network. The iOS configuration profile allows me to configure a different password for each device. Is it valid, and safe for me to ...
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153 views

Are any major websites offering ECDSA authentication?

At the time the Cloudflare blog post “ECDSA: The digital signature algorithm of a better internet” was authored, Cloudflare was apparently one of "fewer than fifty" users of ECDSA certificates on the ...
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184 views

Does Mac OS X 10.8+ support self-signed Package Installer

I'm not sure whether self-signed Package Installer are supported by Mac OS X 10.8+ Using informations in How to create an Apple Installer Package Signing Certificate I could create a Package ...
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0answers
90 views

Reverse proxy and corporate PKI

Here at OU=PKI we've been requested to issue a certificate with CA capabilities to install it in our reverse proxy, so that it could issue trustable certificates for every single web. (SSL ending) ...
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35 views

Question about the Perspectives add-on, is this dangerous?

When I visited Google and Facebook, and then clicked on the Perspectives add-on button to check the certificate information, I saw this:     What does this mean? Shouldn't it have ...
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0answers
90 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 ...
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48 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 ...
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1answer
337 views

Risks associated with distributing encrypted private key with our software?

Our software contains two executables that need to serve data over SSL (and several that need to do requests over HTTPS)). I notice that it is distributed with some .PEM files created with OpenSSL. ...
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175 views

“Keyset does not exist” when using SignData function with RSA

"Keyset does not exist". I know that there are tons of question about this error, but mine is totally different. I'm not gona use the key from windows certificate store, but load the public key & ...
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55 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 ...
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1answer
360 views

valid PDF signature without using hardware HSM or usb Token

I have a DMS system(alfresco) that needs to sign approx 50.000 valid signatures a year. The signing certificate needs to be acquired from one of the affiliated sub-CA's. So according to the Adobe CDS ...
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4answers
4k views

inquiry about SHA1 with RSA for certificate signature

As you all know, plenty of X.509 Certificates use (PKCS#1 SHA1 with RSA encryption) as the Certificate Signature Algorithm for generating the signature of 2048 Bits long. We know that SHA1 hash ...
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42 views

Writing Security Functionality Requirements [closed]

Is there any Guideline Doc. or Tutorials for writing Security Functionality Requirement (Common Criteria)for a product?
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109 views

What are some good design practices for cross-platform certificate storage?

Question from the Bouncy Castle development list: At present we use the Windows certificate store as: var store = new X509Store(StoreName.My, StoreLocation.LocalMachine); ...
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580 views

Safe communication via rest api between two known servers

I'm using Kinvey as backend but because it doesn't provide the ability to run custom code I have set up another server. So basically when x happens on Kinvey server, I send a call to my rest api on ...
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3answers
264 views

Where can I find all SSL CA certificates

I am working on an SSL implementation project and ofcourse I need to verify the certificate presented by the server. To do that I need CA certificates or at least root CA certificates (correct me I am ...
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1answer
271 views

Generate Keytool Object from CSR

I have to develop an application which uses another application for generating a CSR. After generating the CSR I have to provide this CSR along with a SHA256 hash of the public key to a CA. The ...
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1answer
5k views

The request was aborted: Could not create SSL/TLS secure channel Exception

Let me explain my situation. I created a self-signed certificate and installed it in the Trusted Root Certification Authorities section in MMC. I then created two certificates using the self-signed ...
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137 views

Why not buy cheap SSL certificates? [duplicate]

Possible Duplicate: Is there any technical security reason not to buy the cheapest SSL certificate you can find? The comparison in Godaddy's website, makes it clear: they're just cheaper ...
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1answer
314 views

How does a Web Security Gateway analyse SSL Encrypted Traffic?

Since HTTPS traffic is encrypted in transit how does a web security gateway analyse it?
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2answers
810 views

“Premium SSL” vs “Stanard SSL” certificates - Any reason why I would want a “Premium SSL”? [duplicate]

Possible Duplicate: What are the advantages of EV Certificate? besides the green URL bar and free security scan and whatnot. Our website does NOT accept any personal info other than email ...
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2answers
215 views

What does 2^77.1 calls presented in a SHA1 attack mean?

Regarding the SHA 1 deprecation, I found this information here: http://blogs.technet.com/b/srd/archive/2013/11/12/security-advisory-2880823-recommendation-to-discontinue-use-of-sha-1.aspx I know ...
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2answers
87 views

What is the real use of certificates on the web?

When you get a certificate from a website you visit, signed by a trusted CA, is it trust-worthy because the CA authority did a background check on them? But how does this help with spoof websites? ...
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5answers
202 views

Are most MiTM attacks done to impersonate web sites, or simply decrypt traffic?

The more I read about impersonating web sites the more I get confused. Does an attacker need the private key of the server in order to impersonate a website or does having the private key simply give ...
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3answers
10k views

How to prevent man-in-the-middle attacks beside of SSL?

I would like to discuss this scenario: There is a HTTPS service which responds with signed keys to an authenticated client. These signed keys can be used for another service to return very sensible ...
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1answer
51 views

Can public certificates be password-protected?

I've only seen private key files (.pfx, .pkcs12) being password protected. Someone told me public cert files (.cer) can also be password-protected. Is that true? Is it also true to say any certificate ...
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2answers
894 views

“A third party is capable of monitoring your network activity” with client certificates?

I installed the CAcert root certificates on my Android device (not rooted), so that I could visit websites with server CAcert certificates without getting the "certificate not trusted" warning. But ...
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2answers
55 views

Self signed certificate secure when just client sends sensitive information?

Is it secure to create a self signed certificate when just clients will send sensitive information to the server? After checking out the topic "What are the risks of self signing a certificate for ...
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1answer
65 views

Is it possible for a successful domain hijacker to fraudulently use the certificate issued to the real owner of the domain name?

In other words, while visiting https://www.mybank.com, for example, can I always trust the site as long as I click the padlock in the address bar of my browser and find no problem with the ...
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2answers
149 views

How to be sure that downloaded file is correct? [duplicate]

Last week I read a lot about security. I have a basic understanding how public keys or private keys works. But I still have a lot of questions I can't find an answer. Right now I'm interested in ...
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1answer
220 views

What is the difference between openssl and mkcert and IIS self signed certificate

What is the difference between openssl and mkcert. Which one should I prefer. I want to create an IIS hosted WCF service. Which one should I use to create an SSL certificate. Also, there is another ...
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2answers
546 views

Modifying SSL Certificate once created, Multi domain

We're developing an application that has the ability to run across multiple top level domains, each with its own sub domain. (www.foo.com, www.bar.com, would each point to the same application on the ...
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1answer
74 views

Certificate for Email Encryption and signing

I don't understand the flow of Digital Certificate with Email Encryption and Signing. For Example, There is 2 users, Sender A and Receiver B. Is Certificate required to encryption to A or just ...