Find the certificate from a public key
I have a public key. Is there a way to find the corresponding certificate which contains this public key?
Category Archives: key
Can we keep Pusher API keys public?
I was looking at my company site and I saw Pusher API keys are exposed. Should it be kept public?
Best practices for storing long-term access credentials locally in a desktop application?
I’m wondering how applications like Skype and Dropbox store access credentials securely on a user’s computer. I imagine the flow for doing this would look something like this:
Prompt the user for a username/password if its the first tim… Continue reading Best practices for storing long-term access credentials locally in a desktop application?
How to implement challenge-response with keyed hash algorithm when 2 people share same key?
Suppose that 2 people have a keyed hash algorithm (that is, a MAC) with a key that they both know. How could they implement challenge-response using their keyed hash algorithm? This confuses me…
Should we use API keys for authorization on a public API (instead of JWT)?
We are building a public-facing API. The consumers of this API will be business partners of ours – we will probably have a personal relationship with each one, and I suspect there will only ever be 10-40 of these customers. So we’re not de… Continue reading Should we use API keys for authorization on a public API (instead of JWT)?
Lock Your Keys in the Car On Purpose with Aluminum Foil
[TJ] is a surfer, and drives his car to get to the beach. But when he gets there he’s faced with a dilemma that most surfers have: either put his key in your baggies (shorts) or wetsuit and hope it doesn’t get lost during a wipeout, or stash it on …read more
Continue reading Lock Your Keys in the Car On Purpose with Aluminum Foil
Printed Door Handle Turns Key With a Servo
[Madalin Valceleanu] had a somewhat unique problem. He wanted to make his front door a bit “smarter”, but none of the IoT door locks he found were compatible with the style of reinforced door he had. So he set out to design and 3D print his own Internet-controlled door handle. …read more
Write a Python or C program to guess the key [closed]
Key generation program in C:
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#define KEYSIZE 16
void main()
{
int i;
char key[KEYSIZE];
printf("%lld\n", (lo… Continue reading Write a Python or C program to guess the key [closed]
Accidentally Shared my Private Key – How to Remedy?
I accidentally shared my SSH private and public keys with others. I changed keys within 2 minutes of sharing the private key. I’ve since added a password to access my private key as well as deleted the old private key and created a new one… Continue reading Accidentally Shared my Private Key – How to Remedy?
openSSL and key encryption password
I was looking for something in pyOpenSSL here: https://github.com/pyca/pyopenssl/blob/1257600e1603ed57455d92758eb1da857cd61725/src/OpenSSL/SSL.py, when I found out OpenSSL saves user certificate password in immutable _passphrase_userdata v… Continue reading openSSL and key encryption password