Collaborate Disseminate
If I create a CSR with openssl and set the expiration day to 5 years is it possible that the signing CA will set the expiry date to say one year ? Which one takes precedence ?
EDIT: ok, I think the answer from the StackOver… Continue reading CSR expiry date / validity date
I’m trying to understand scenario under which CSR (certificate signing request) can be useful. Please help me understand the concept and use.
Mutual authentication
In client side authentication, where a client generates… Continue reading How and in what context CSR works?
I am a software developer but a newbie when it comes to online security.
Company A has some desktop software used by customers C and D (C unrelated to D).
Company B has a web service and has the same C & D customers.
How to generate CSR with OCSP Must Staple extension via OpenSSL ?
How to generate CSR with OCSP Must Staple extension via OpenSSL ?
Is there any restriction on the CAs signature algorithm with respect to the public algorithm in the actual server/device certificate? For example, can a ECDHE_ECDSA_* certificate be signed by a CA with RSA and still be withi… Continue reading CA signature algorithm vs certificate public key algorithm
I’ve seen questions Is it true that certificates requested with a specific CSR can only be used on the machine where the CSR was generated? and CSR generation origin? and Generate CSR code on local machine ; I’ve also seen ht… Continue reading Why is generating Certificate Signing Request (CSR) supposed to be platform/machine specific?
Like a lot of mass-produced consumer goods, it turns out that the internal workings of Bluetooth headphones are the same across a lot of different brands. One common Bluetooth module is the CSR8645, which [lorf] realized was fairly common and (more importantly) fairly easy to modify. [lorf] was able to put together a toolkit to reprogram this Bluetooth module in almost all of these headphones.
This tip comes to us from [Tigox] who has already made good use of [lorf]’s software. Using the toolkit, he was able to reprogram his own Bluetooth headphones over a USB link to his computer. …read more
Continue reading Reprogramming Bluetooth Headphones for Great Justice
When I generated the SSL key using ecparam, I got a CSR with a named curve:
$ openssl ecparam -genkey -out ecparam.key -name prime256v1
$ openssl req -new -sha256 -key ecparam.key -out ecparam.csr -subj “/CN=Test”
$ openssl … Continue reading Why does the CSR contains an explicit curve when generating private key with genpkey?
I’m trying to create self-signed certificate using OpenSSL and for that I created a private key
openssl genrsa -out YinKey1.key 2048
While creating a CSR i’m getting an error
openssl req -new -out GauCert1.req -key GauKey… Continue reading Error while creating a CSR [migrated]