Physical or digital keys. Digital keys are used for encryption or signing, or for authentication (e.g. API key). For product keys, use the tag product-key.
Questions tagged [key]
215 questions
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Looking for a lost PKE keyless entry fob
I have been looking for my lost car key. I have RTL-SDR and I am able to listen to key fobs frequency which varies between 350-444MHZ. I was trying to understand how most of the keyless entry systems work but I'm not sure whether:
Key fob detects a…
mack44452
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run through the entire space of keys
Quoting from https://en.wikipedia.org/wiki/Key_size
With a key of length n bits, there are 2n possible keys. This number grows very rapidly as n increases. The large number of operations (2128) required to try all possible 128-bit keys is widely…
cyzczy
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When will it be feasible to enumerate all possible private/public key pairs
One way to defeat public key encryption would be to make a list of all public and private key pairings. For 128-bit and 256-bit keys, there are lots of possible pairs:
2^128 = 3.40e38
2^256 = 1.16e77
Google might have 15 exabytes of data storage…
adam.baker
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Is the term "only-unlocking key" more accurate than the term "private key"?
Paraphrasing this:
Symmetric cryptography is like a door lock. Everyone that has a key can lock and unlock.
Asymmetric cryptography is like a common lock or handcuff. Anyone can lock it but only the (private) key unlocks it.
I assume that…
humble-learner
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Can I show the secret key and IV key to administrators?
I'm working on a WordPress plugin. This plugin uses password encryption, and uses a secret key and IV key.
Can I show these keys to the administrator or is that insecure? What can happen when someone sees the secret key?
Mitch
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