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Results tagged with public-key
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user 94309
An asymmetric cipher is an encryption scheme using a pair of keys, one to encrypt and a second to decrypt a message. This way the encrypting key need not be kept secret to ensure a private communication. Similarly in public key authentication, the verification key can be public and the signing key private.
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Cheapest way to prove that two different private keys are known to the same person?
Say that there are two unrelated ECC keypairs ($Pub_1$, $Priv_1$) and ($Pub_2$, $Priv_2$). Alice claims that she knows both $Priv_1$ and $Priv_2$, but Bob doesn't trust her, and thinks that $Priv_2$ i …
- 63
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Proof that someone has access to a private key whose public key is part of a known group
I'm a crypto newbie and hoping to get pointed in the right direction. I've seen some related questions like this but none that satisfy my requirements.
Let's say Jane's Forum is a large community, and …
- 63