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sonr/crypto/paillier
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README.md

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README
README README Wednesday, April 17th 2024, 4:11:40 pm Thursday, April 18th 2024, 8:19:25 am

Paillier Cryptosystem

Package paillier contains Paillier's cryptosystem (1999). All routines here from pseudocode §2.5. Fig 1: The Paillier Cryptosystem.

This module provides APIs for:

  • generating a safe key pair
  • encryption and decryption
  • adding two encrypted values, Enc(a) and Enc(b), and obtaining Enc(a + b), and
  • multiplying a plain value, a, and an encrypted value Enc(b), and obtaining Enc(a * b).

The encrypted values are represented as big.Int and are serializable. This module also provides JSON serialization for the PublicKey and the SecretKey.