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| use std::{error::Error}; | |
| use fhe::bfv::{self, Encoding, Plaintext, PublicKey, SecretKey}; | |
| use fhe_traits::{FheDecoder, FheEncoder, FheEncrypter, Serialize, FheDecrypter}; | |
| use rand::{thread_rng}; | |
| fn main() -> Result<(), Box<dyn Error>> { | |
| let degree = 4096; | |
| let plaintext_modulus: u64 = 4096; | |
| let moduli = vec![0xffffee001, 0xffffc4001, 0x1ffffe0001]; | |
| let params = bfv::BfvParametersBuilder::new() | |
| .set_degree(degree) | |
| .set_plaintext_modulus(plaintext_modulus) | |
| .set_moduli(&moduli) | |
| .build_arc()?; | |
| let mut rng = thread_rng(); | |
| let sk = SecretKey::random(¶ms, &mut rng); | |
| let pk = PublicKey::new(&sk, &mut rng); | |
| let input1: Vec<u64> = vec![2]; | |
| let input2: Vec<u64> = vec![4]; | |
| let input3: Vec<u64> = vec![10]; | |
| let pt1 = Plaintext::try_encode(&input1, Encoding::poly(), ¶ms)?; | |
| let pt2 = Plaintext::try_encode(&input2, Encoding::poly(), ¶ms)?; | |
| let pt3 = Plaintext::try_encode(&input3, Encoding::poly(), ¶ms)?; | |
| let ct1 = pk.try_encrypt(&pt1, &mut rng)?; | |
| let _ct1_bytes = ct1.to_bytes(); | |
| let ct2 = pk.try_encrypt(&pt2, &mut rng)?; | |
| let _ct2_bytes = ct2.to_bytes(); | |
| let ct3 = pk.try_encrypt(&pt3, &mut rng)?; | |
| let _ct3_bytes = ct3.to_bytes(); | |
| let mut prod = &ct1 * &ct2; | |
| prod = &prod * &ct3; | |
| let decrypted = sk.try_decrypt(&prod)?; | |
| let tally_vec = Vec::<u64>::try_decode(&decrypted, Encoding::poly())?; | |
| let tally_result = tally_vec[0]; | |
| println!("{:?}", tally_result); | |
| Ok(()) | |
| } |
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