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Results tagged with key
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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.
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 …
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. …
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. …