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Results tagged with encryption
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user 1991
Encryption is the process of transforming plaintext using a cipher into ciphertext to make it unreadable to anyone except those possessing the key. Decryption is the process of transforming that ciphertext back into plaintext, using the key.
8
votes
Accepted
Can we proxy-re-encrypt using homomorphic encryption schemes?
It is pointed out by Gentry (in his thesis) when he consider bootstrapping and re-encryption.
Let us denote the old key pair by $(PK, SK)$ and the new key pair by $(PK^1, SK^1)$. … This is just re-encryption Gentry suggested in his thesis. …
- 2,186
2
votes
Zero-Knowledge Challenge-Responce Protocol
Reading the original paper, I figure out the question.
This voting scheme employed the well-known undeniable signature scheme, proposed by Chaum and Van Antwerpen in 1989 (or Chaum 1990 or Chaum and V …
- 2,186
15
votes
Accepted
Help in understanding exactly how lattices are used as one-way functions for hashing
I'm also afraid you couldn't understand this as D.W., but let us start.
I sometimes cannot understand your questions. Please restate them, if possible.
The definition of the Ajtai hash functions
Let …
- 2,186