TFHE-rs
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  • Welcome to TFHE-rs
  • Get Started
    • What is TFHE-rs?
    • Installation
    • Quick start
    • Types & Operations
    • Benchmarks
    • Security and cryptography
  • Fundamentals
    • Configuration and key generation
    • Server key
    • Encryption
    • Computation on encrypted data
    • Decryption
    • Encrypted pseudo random values
    • Serialization/deserialization
    • Compressing ciphertexts/keys
    • Debugging
  • Guides
    • Rust configuration
    • GPU acceleration
    • Overflow detection
    • Data versioning
    • Public key encryption
    • Zero-knowledge proofs
    • Generic trait bounds
    • Parallelized PBS
    • High-level API in C
    • JS on WASM API
    • Multi-threading with Rayon crate
    • Trivial ciphertexts
    • PBS statistics
  • Tutorials
    • All tutorials
    • Homomorphic parity bit
    • Homomorphic case changing on Ascii string
    • SHA256 with Boolean API
  • References
    • API references
    • Fine-grained APIs
      • Quick start
      • Boolean
        • Operations
        • Cryptographic parameters
        • Serialization/Deserialization
      • Shortint
        • Operations
        • Cryptographic parameters
        • Serialization/Deserialization
      • Integer
        • Operations
        • Cryptographic parameters
        • Serialization/Deserialization
    • Core crypto API
      • Quick start
      • Tutorial
  • Explanations
    • TFHE deep dive
  • Developers
    • Contributing
    • Release note
    • Feature request
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  • Concrete
  • Concrete ML
  • fhEVM

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  1. Fundamentals

Encryption

This document explains how to encrypt data.

To encrypt data, use the encrypt method from the FheEncrypt trait. This crate provides types that implement either FheEncrypt or FheTryEncrypt or both, to enable encryption.

Here is an example:

use tfhe::prelude::*;
use tfhe::{generate_keys, ConfigBuilder, FheUint8};

fn main() {
    let config = ConfigBuilder::default().build();

    let (client_key, server_key) = generate_keys(config);

    let clear_a = 27u8;
    let clear_b = 128u8;

    let a = FheUint8::encrypt(clear_a, &client_key);
    let b = FheUint8::encrypt(clear_b, &client_key);
}
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Last updated 1 year ago

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