Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options answers only not deleted user 414

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.

6 votes
Accepted

Impact of having more X509v3 Key Usage fields than required?

usage and another certificate for a different key with a serverAuthentication extended key usage. … Allowing dataEncipherment is very likely to fall into the harmless category since decrypting data with a private key is very uncommon. …
Gilles 'SO- stop being evil''s user avatar
5 votes

Is it safe to publish something encrypted with a password if you make it insanely difficult ...

It means that an adversary needs to obtain both a copy of the encrypted key and a copy of the key encryption key. … You can also store the key encryption key in several separate pieces. …
Gilles 'SO- stop being evil''s user avatar
2 votes
Accepted

Deduce RSA 1024 bit key from known input and output

Even if you have a large amount of fully known (ciphertext, plaintext) pairs, there is no way to recover the key that's better than general attacks on RSA. … The record for RSA factorisation (recovering the private key from the public key) is with a 768-bit key, and the difficulty grows sharply with key size, so 1024 is out of reach (except possibly with NSA's …
Gilles 'SO- stop being evil''s user avatar