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Results tagged with public-key
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user 61774
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.
2
votes
Cryptographic scheme where a single message cannot be decrypted but if combined with other i...
You could accomplish this using a secret sharing scheme, which doesn't require any public key cryptography. An $(n,k)$ secret sharing scheme allows a secret to be divided up into $n$ shares such that …
- 488
6
votes
Do standalone Oblivious Transfer (OT) Protocols exist?
Are there any Oblivious Transfer (OT) protocols that don’t rely on
asymmetrical encryption, public-key encryption or key-exchange?
Surprisingly, there are indeed OT protocols which don't rely o …
- 488