mirror of
https://github.com/arnaucube/poulpy.git
synced 2026-02-10 13:16:44 +01:00
updated key-switch for rank switching & updated glwe key-switching test
This commit is contained in:
Jean-Philippe Bossuat
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
@@ -13,7 +13,7 @@ use crate::{
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glwe_plaintext::GLWEPlaintext,
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keys::{GLWEPublicKey, SecretKey, SecretKeyFourier},
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keyswitch_key::GLWESwitchingKey,
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test_fft64::{gglwe::noise_grlwe_rlwe_product, ggsw::noise_rgsw_product},
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test_fft64::{gglwe::noise_gglwe_product, ggsw::noise_rgsw_product},
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};
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#[test]
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@@ -197,21 +197,32 @@ fn test_encrypt_pk(log_n: usize, basek: usize, k_ct: usize, k_pk: usize, sigma:
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#[test]
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fn keyswitch() {
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let module: Module<FFT64> = Module::<FFT64>::new(2048);
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let basek: usize = 12;
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let log_k_grlwe: usize = 60;
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let log_k_rlwe_in: usize = 45;
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let log_k_rlwe_out: usize = 60;
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let rows: usize = (log_k_rlwe_in + basek - 1) / basek;
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let rank: usize = 1;
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(1..4).for_each(|rank_in| {
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(1..4).for_each(|rank_out| {
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println!("test keyswitch rank_in: {} rank_out: {}", rank_in, rank_out);
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test_keyswitch(12, 12, 60, 45, 60, rank_in, rank_out, 3.2);
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});
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});
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}
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let sigma: f64 = 3.2;
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fn test_keyswitch(
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log_n: usize,
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basek: usize,
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k_keyswitch: usize,
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k_ct_in: usize,
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k_ct_out: usize,
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rank_in: usize,
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rank_out: usize,
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sigma: f64,
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) {
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let module: Module<FFT64> = Module::<FFT64>::new(1 << log_n);
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let rows: usize = (k_ct_in + basek - 1) / basek;
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let mut ct_grlwe: GLWESwitchingKey<Vec<u8>, FFT64> = GLWESwitchingKey::new(&module, basek, log_k_grlwe, rows, rank, rank);
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let mut ct_rlwe_in: GLWECiphertext<Vec<u8>> = GLWECiphertext::new(&module, basek, log_k_rlwe_in, rank);
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let mut ct_rlwe_out: GLWECiphertext<Vec<u8>> = GLWECiphertext::new(&module, basek, log_k_rlwe_out, rank);
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let mut pt_want: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::new(&module, basek, log_k_rlwe_in);
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let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::new(&module, basek, log_k_rlwe_out);
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let mut ksk: GLWESwitchingKey<Vec<u8>, FFT64> = GLWESwitchingKey::new(&module, basek, k_keyswitch, rows, rank_in, rank_out);
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let mut ct_in: GLWECiphertext<Vec<u8>> = GLWECiphertext::new(&module, basek, k_ct_in, rank_in);
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let mut ct_out: GLWECiphertext<Vec<u8>> = GLWECiphertext::new(&module, basek, k_ct_out, rank_out);
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let mut pt_want: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::new(&module, basek, k_ct_in);
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let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::new(&module, basek, k_ct_out);
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let mut source_xs: Source = Source::new([0u8; 32]);
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let mut source_xe: Source = Source::new([0u8; 32]);
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@@ -223,57 +234,59 @@ fn keyswitch() {
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.fill_uniform(basek, 0, pt_want.size(), &mut source_xa);
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let mut scratch: ScratchOwned = ScratchOwned::new(
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GLWESwitchingKey::encrypt_sk_scratch_space(&module, rank, ct_grlwe.size())
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| GLWECiphertext::decrypt_scratch_space(&module, ct_rlwe_out.size())
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| GLWECiphertext::encrypt_sk_scratch_space(&module, rank, ct_rlwe_in.size())
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GLWESwitchingKey::encrypt_sk_scratch_space(&module, rank_in, ksk.size())
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| GLWECiphertext::decrypt_scratch_space(&module, ct_out.size())
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| GLWECiphertext::encrypt_sk_scratch_space(&module, rank_out, ct_in.size())
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| GLWECiphertext::keyswitch_scratch_space(
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&module,
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ct_rlwe_out.size(),
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ct_rlwe_in.size(),
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ct_grlwe.size(),
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ct_out.size(),
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ct_in.size(),
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ksk.size(),
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rank_in,
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rank_out,
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),
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);
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let mut sk0: SecretKey<Vec<u8>> = SecretKey::new(&module, rank);
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sk0.fill_ternary_prob(0.5, &mut source_xs);
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let mut sk_in: SecretKey<Vec<u8>> = SecretKey::new(&module, rank_in);
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sk_in.fill_ternary_prob(0.5, &mut source_xs);
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let mut sk0_dft: SecretKeyFourier<Vec<u8>, FFT64> = SecretKeyFourier::new(&module, rank);
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sk0_dft.dft(&module, &sk0);
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let mut sk_in_dft: SecretKeyFourier<Vec<u8>, FFT64> = SecretKeyFourier::new(&module, rank_in);
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sk_in_dft.dft(&module, &sk_in);
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let mut sk1: SecretKey<Vec<u8>> = SecretKey::new(&module, rank);
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sk1.fill_ternary_prob(0.5, &mut source_xs);
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let mut sk_out: SecretKey<Vec<u8>> = SecretKey::new(&module, rank_out);
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sk_out.fill_ternary_prob(0.5, &mut source_xs);
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let mut sk1_dft: SecretKeyFourier<Vec<u8>, FFT64> = SecretKeyFourier::new(&module, rank);
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sk1_dft.dft(&module, &sk1);
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let mut sk_out_dft: SecretKeyFourier<Vec<u8>, FFT64> = SecretKeyFourier::new(&module, rank_out);
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sk_out_dft.dft(&module, &sk_out);
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ct_grlwe.encrypt_sk(
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ksk.encrypt_sk(
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&module,
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&sk0.data,
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&sk1_dft,
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&sk_in,
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&sk_out_dft,
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&mut source_xa,
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&mut source_xe,
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sigma,
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scratch.borrow(),
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);
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ct_rlwe_in.encrypt_sk(
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ct_in.encrypt_sk(
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&module,
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&pt_want,
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&sk0_dft,
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&sk_in_dft,
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&mut source_xa,
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&mut source_xe,
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sigma,
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scratch.borrow(),
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);
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ct_rlwe_out.keyswitch(&module, &ct_rlwe_in, &ct_grlwe, scratch.borrow());
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ct_out.keyswitch(&module, &ct_in, &ksk, scratch.borrow());
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ct_rlwe_out.decrypt(&module, &mut pt_have, &sk1_dft, scratch.borrow());
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ct_out.decrypt(&module, &mut pt_have, &sk_out_dft, scratch.borrow());
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module.vec_znx_sub_ab_inplace(&mut pt_have, 0, &pt_want, 0);
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let noise_have: f64 = pt_have.data.std(0, basek).log2();
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let noise_want: f64 = noise_grlwe_rlwe_product(
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let noise_want: f64 = noise_gglwe_product(
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module.n() as f64,
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basek,
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0.5,
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@@ -281,8 +294,9 @@ fn keyswitch() {
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0f64,
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sigma * sigma,
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0f64,
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log_k_rlwe_in,
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log_k_grlwe,
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rank_in as f64,
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k_ct_in,
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k_keyswitch,
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);
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assert!(
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@@ -322,7 +336,7 @@ fn keyswich_inplace() {
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GLWESwitchingKey::encrypt_sk_scratch_space(&module, rank, ct_grlwe.size())
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| GLWECiphertext::decrypt_scratch_space(&module, ct_rlwe.size())
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| GLWECiphertext::encrypt_sk_scratch_space(&module, rank, ct_rlwe.size())
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| GLWECiphertext::keyswitch_inplace_scratch_space(&module, ct_rlwe.size(), ct_grlwe.size()),
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| GLWECiphertext::keyswitch_inplace_scratch_space(&module, ct_rlwe.size(), ct_grlwe.size(), rank),
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);
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let mut sk0: SecretKey<Vec<u8>> = SecretKey::new(&module, rank);
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@@ -339,7 +353,7 @@ fn keyswich_inplace() {
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ct_grlwe.encrypt_sk(
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&module,
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&sk0.data,
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&sk0,
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&sk1_dft,
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&mut source_xa,
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&mut source_xe,
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@@ -364,7 +378,7 @@ fn keyswich_inplace() {
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module.vec_znx_sub_ab_inplace(&mut pt_have, 0, &pt_want, 0);
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let noise_have: f64 = pt_have.data.std(0, basek).log2();
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let noise_want: f64 = noise_grlwe_rlwe_product(
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let noise_want: f64 = noise_gglwe_product(
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module.n() as f64,
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basek,
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0.5,
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@@ -372,6 +386,7 @@ fn keyswich_inplace() {
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0f64,
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sigma * sigma,
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0f64,
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rank as f64,
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log_k_rlwe,
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log_k_grlwe,
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);
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@@ -427,6 +442,7 @@ fn external_product() {
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ct_rlwe_out.size(),
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ct_rlwe_in.size(),
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ct_rgsw.size(),
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rank,
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),
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);
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@@ -531,7 +547,7 @@ fn external_product_inplace() {
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GGSWCiphertext::encrypt_sk_scratch_space(&module, rank, ct_rgsw.size())
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| GLWECiphertext::decrypt_scratch_space(&module, ct_rlwe.size())
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| GLWECiphertext::encrypt_sk_scratch_space(&module, rank, ct_rlwe.size())
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| GLWECiphertext::external_product_inplace_scratch_space(&module, ct_rlwe.size(), ct_rgsw.size()),
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| GLWECiphertext::external_product_inplace_scratch_space(&module, ct_rlwe.size(), ct_rgsw.size(), rank),
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);
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let mut sk: SecretKey<Vec<u8>> = SecretKey::new(&module, rank);
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@@ -1,438 +1,438 @@
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use crate::{
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elem::Infos,
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ggsw_ciphertext::GGSWCiphertext,
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glwe_ciphertext::GLWECiphertext,
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glwe_ciphertext_fourier::GLWECiphertextFourier,
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glwe_plaintext::GLWEPlaintext,
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keys::{SecretKey, SecretKeyFourier},
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keyswitch_key::GLWESwitchingKey,
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test_fft64::{gglwe::noise_grlwe_rlwe_product, ggsw::noise_rgsw_product},
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};
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use base2k::{FFT64, FillUniform, Module, ScalarZnx, ScalarZnxAlloc, ScratchOwned, Stats, VecZnxOps, VecZnxToMut, ZnxViewMut};
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use sampling::source::Source;
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#[test]
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fn keyswitch() {
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let module: Module<FFT64> = Module::<FFT64>::new(2048);
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let log_base2k: usize = 12;
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let log_k_grlwe: usize = 60;
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let log_k_rlwe_in: usize = 45;
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let log_k_rlwe_out: usize = 60;
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let rows: usize = (log_k_rlwe_in + log_base2k - 1) / log_base2k;
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let rank: usize = 1;
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let sigma: f64 = 3.2;
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let mut ct_grlwe: GLWESwitchingKey<Vec<u8>, FFT64> =
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GLWESwitchingKey::new(&module, log_base2k, log_k_grlwe, rows, rank, rank);
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let mut ct_rlwe_in: GLWECiphertext<Vec<u8>> = GLWECiphertext::new(&module, log_base2k, log_k_rlwe_in, rank);
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let mut ct_rlwe_in_dft: GLWECiphertextFourier<Vec<u8>, FFT64> =
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GLWECiphertextFourier::new(&module, log_base2k, log_k_rlwe_in, rank);
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let mut ct_rlwe_out: GLWECiphertext<Vec<u8>> = GLWECiphertext::new(&module, log_base2k, log_k_rlwe_out, rank);
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let mut ct_rlwe_out_dft: GLWECiphertextFourier<Vec<u8>, FFT64> =
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GLWECiphertextFourier::new(&module, log_base2k, log_k_rlwe_out, rank);
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let mut pt_want: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::new(&module, log_base2k, log_k_rlwe_in);
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let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::new(&module, log_base2k, log_k_rlwe_out);
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let mut source_xs: Source = Source::new([0u8; 32]);
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let mut source_xe: Source = Source::new([0u8; 32]);
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let mut source_xa: Source = Source::new([0u8; 32]);
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// Random input plaintext
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pt_want
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.data
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.fill_uniform(log_base2k, 0, pt_want.size(), &mut source_xa);
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let mut scratch: ScratchOwned = ScratchOwned::new(
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GLWESwitchingKey::encrypt_sk_scratch_space(&module, rank, ct_grlwe.size())
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| GLWECiphertext::decrypt_scratch_space(&module, ct_rlwe_out.size())
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| GLWECiphertext::encrypt_sk_scratch_space(&module, rank, ct_rlwe_in.size())
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| GLWECiphertextFourier::keyswitch_scratch_space(
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&module,
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ct_rlwe_out.size(),
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ct_rlwe_in.size(),
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ct_grlwe.size(),
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),
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);
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let mut sk0: SecretKey<Vec<u8>> = SecretKey::new(&module, rank);
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sk0.fill_ternary_prob(0.5, &mut source_xs);
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let mut sk0_dft: SecretKeyFourier<Vec<u8>, FFT64> = SecretKeyFourier::new(&module, rank);
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sk0_dft.dft(&module, &sk0);
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let mut sk1: SecretKey<Vec<u8>> = SecretKey::new(&module, rank);
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sk1.fill_ternary_prob(0.5, &mut source_xs);
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let mut sk1_dft: SecretKeyFourier<Vec<u8>, FFT64> = SecretKeyFourier::new(&module, rank);
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sk1_dft.dft(&module, &sk1);
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ct_grlwe.encrypt_sk(
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&module,
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&sk0.data,
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&sk1_dft,
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&mut source_xa,
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&mut source_xe,
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sigma,
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scratch.borrow(),
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);
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ct_rlwe_in.encrypt_sk(
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&module,
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&pt_want,
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&sk0_dft,
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&mut source_xa,
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&mut source_xe,
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sigma,
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scratch.borrow(),
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);
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ct_rlwe_in.dft(&module, &mut ct_rlwe_in_dft);
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ct_rlwe_out_dft.keyswitch(&module, &ct_rlwe_in_dft, &ct_grlwe, scratch.borrow());
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ct_rlwe_out_dft.idft(&module, &mut ct_rlwe_out, scratch.borrow());
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ct_rlwe_out.decrypt(&module, &mut pt_have, &sk1_dft, scratch.borrow());
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module.vec_znx_sub_ab_inplace(&mut pt_have, 0, &pt_want, 0);
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let noise_have: f64 = pt_have.data.std(0, log_base2k).log2();
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let noise_want: f64 = noise_grlwe_rlwe_product(
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module.n() as f64,
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log_base2k,
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0.5,
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0.5,
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0f64,
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sigma * sigma,
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0f64,
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log_k_rlwe_in,
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log_k_grlwe,
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);
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assert!(
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(noise_have - noise_want).abs() <= 0.1,
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"{} {}",
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noise_have,
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noise_want
|
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);
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}
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#[test]
|
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fn keyswich_inplace() {
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let module: Module<FFT64> = Module::<FFT64>::new(2048);
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let log_base2k: usize = 12;
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let log_k_grlwe: usize = 60;
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let log_k_rlwe: usize = 45;
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let rows: usize = (log_k_rlwe + log_base2k - 1) / log_base2k;
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let rank: usize = 1;
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let sigma: f64 = 3.2;
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let mut ct_grlwe: GLWESwitchingKey<Vec<u8>, FFT64> =
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GLWESwitchingKey::new(&module, log_base2k, log_k_grlwe, rows, rank, rank);
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let mut ct_rlwe: GLWECiphertext<Vec<u8>> = GLWECiphertext::new(&module, log_base2k, log_k_rlwe, rank);
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let mut ct_rlwe_dft: GLWECiphertextFourier<Vec<u8>, FFT64> =
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GLWECiphertextFourier::new(&module, log_base2k, log_k_rlwe, rank);
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let mut pt_want: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::new(&module, log_base2k, log_k_rlwe);
|
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let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::new(&module, log_base2k, log_k_rlwe);
|
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|
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let mut source_xs: Source = Source::new([0u8; 32]);
|
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let mut source_xe: Source = Source::new([0u8; 32]);
|
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let mut source_xa: Source = Source::new([0u8; 32]);
|
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|
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// Random input plaintext
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pt_want
|
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.data
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.fill_uniform(log_base2k, 0, pt_want.size(), &mut source_xa);
|
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|
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let mut scratch: ScratchOwned = ScratchOwned::new(
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GLWESwitchingKey::encrypt_sk_scratch_space(&module, rank, ct_grlwe.size())
|
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| GLWECiphertext::decrypt_scratch_space(&module, ct_rlwe.size())
|
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| GLWECiphertext::encrypt_sk_scratch_space(&module, rank, ct_rlwe.size())
|
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| GLWECiphertextFourier::keyswitch_inplace_scratch_space(&module, ct_rlwe_dft.size(), ct_grlwe.size()),
|
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);
|
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|
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let mut sk0: SecretKey<Vec<u8>> = SecretKey::new(&module, rank);
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sk0.fill_ternary_prob(0.5, &mut source_xs);
|
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|
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let mut sk0_dft: SecretKeyFourier<Vec<u8>, FFT64> = SecretKeyFourier::new(&module, rank);
|
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sk0_dft.dft(&module, &sk0);
|
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|
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let mut sk1: SecretKey<Vec<u8>> = SecretKey::new(&module, rank);
|
||||
sk1.fill_ternary_prob(0.5, &mut source_xs);
|
||||
|
||||
let mut sk1_dft: SecretKeyFourier<Vec<u8>, FFT64> = SecretKeyFourier::new(&module, rank);
|
||||
sk1_dft.dft(&module, &sk1);
|
||||
|
||||
ct_grlwe.encrypt_sk(
|
||||
&module,
|
||||
&sk0.data,
|
||||
&sk1_dft,
|
||||
&mut source_xa,
|
||||
&mut source_xe,
|
||||
sigma,
|
||||
scratch.borrow(),
|
||||
);
|
||||
|
||||
ct_rlwe.encrypt_sk(
|
||||
&module,
|
||||
&pt_want,
|
||||
&sk0_dft,
|
||||
&mut source_xa,
|
||||
&mut source_xe,
|
||||
sigma,
|
||||
scratch.borrow(),
|
||||
);
|
||||
|
||||
ct_rlwe.dft(&module, &mut ct_rlwe_dft);
|
||||
ct_rlwe_dft.keyswitch_inplace(&module, &ct_grlwe, scratch.borrow());
|
||||
ct_rlwe_dft.idft(&module, &mut ct_rlwe, scratch.borrow());
|
||||
|
||||
ct_rlwe.decrypt(&module, &mut pt_have, &sk1_dft, scratch.borrow());
|
||||
|
||||
module.vec_znx_sub_ab_inplace(&mut pt_have, 0, &pt_want, 0);
|
||||
|
||||
let noise_have: f64 = pt_have.data.std(0, log_base2k).log2();
|
||||
let noise_want: f64 = noise_grlwe_rlwe_product(
|
||||
module.n() as f64,
|
||||
log_base2k,
|
||||
0.5,
|
||||
0.5,
|
||||
0f64,
|
||||
sigma * sigma,
|
||||
0f64,
|
||||
log_k_rlwe,
|
||||
log_k_grlwe,
|
||||
);
|
||||
|
||||
assert!(
|
||||
(noise_have - noise_want).abs() <= 0.1,
|
||||
"{} {}",
|
||||
noise_have,
|
||||
noise_want
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn external_product() {
|
||||
let module: Module<FFT64> = Module::<FFT64>::new(2048);
|
||||
let log_base2k: usize = 12;
|
||||
let log_k_grlwe: usize = 60;
|
||||
let log_k_rlwe_in: usize = 45;
|
||||
let log_k_rlwe_out: usize = 60;
|
||||
let rows: usize = (log_k_rlwe_in + log_base2k - 1) / log_base2k;
|
||||
let rank: usize = 1;
|
||||
|
||||
let sigma: f64 = 3.2;
|
||||
|
||||
let mut ct_rgsw: GGSWCiphertext<Vec<u8>, FFT64> = GGSWCiphertext::new(&module, log_base2k, log_k_grlwe, rows, rank);
|
||||
let mut ct_rlwe_in: GLWECiphertext<Vec<u8>> = GLWECiphertext::new(&module, log_base2k, log_k_rlwe_in, rank);
|
||||
let mut ct_rlwe_out: GLWECiphertext<Vec<u8>> = GLWECiphertext::new(&module, log_base2k, log_k_rlwe_out, rank);
|
||||
let mut ct_rlwe_dft_in: GLWECiphertextFourier<Vec<u8>, FFT64> =
|
||||
GLWECiphertextFourier::new(&module, log_base2k, log_k_rlwe_in, rank);
|
||||
let mut ct_rlwe_dft_out: GLWECiphertextFourier<Vec<u8>, FFT64> =
|
||||
GLWECiphertextFourier::new(&module, log_base2k, log_k_rlwe_out, rank);
|
||||
let mut pt_rgsw: ScalarZnx<Vec<u8>> = module.new_scalar_znx(1);
|
||||
let mut pt_want: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::new(&module, log_base2k, log_k_rlwe_in);
|
||||
let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::new(&module, log_base2k, log_k_rlwe_out);
|
||||
|
||||
let mut source_xs: Source = Source::new([0u8; 32]);
|
||||
let mut source_xe: Source = Source::new([0u8; 32]);
|
||||
let mut source_xa: Source = Source::new([0u8; 32]);
|
||||
|
||||
// Random input plaintext
|
||||
pt_want
|
||||
.data
|
||||
.fill_uniform(log_base2k, 0, pt_want.size(), &mut source_xa);
|
||||
|
||||
pt_want.to_mut().at_mut(0, 0)[1] = 1;
|
||||
|
||||
let k: usize = 1;
|
||||
|
||||
pt_rgsw.raw_mut()[k] = 1; // X^{k}
|
||||
|
||||
let mut scratch: ScratchOwned = ScratchOwned::new(
|
||||
GGSWCiphertext::encrypt_sk_scratch_space(&module, rank, ct_rgsw.size())
|
||||
| GLWECiphertext::decrypt_scratch_space(&module, ct_rlwe_out.size())
|
||||
| GLWECiphertext::encrypt_sk_scratch_space(&module, rank, ct_rlwe_in.size())
|
||||
| GLWECiphertext::external_product_scratch_space(
|
||||
&module,
|
||||
ct_rlwe_out.size(),
|
||||
ct_rlwe_in.size(),
|
||||
ct_rgsw.size(),
|
||||
),
|
||||
);
|
||||
|
||||
let mut sk: SecretKey<Vec<u8>> = SecretKey::new(&module, rank);
|
||||
sk.fill_ternary_prob(0.5, &mut source_xs);
|
||||
|
||||
let mut sk_dft: SecretKeyFourier<Vec<u8>, FFT64> = SecretKeyFourier::new(&module, rank);
|
||||
sk_dft.dft(&module, &sk);
|
||||
|
||||
ct_rgsw.encrypt_sk(
|
||||
&module,
|
||||
&pt_rgsw,
|
||||
&sk_dft,
|
||||
&mut source_xa,
|
||||
&mut source_xe,
|
||||
sigma,
|
||||
scratch.borrow(),
|
||||
);
|
||||
|
||||
ct_rlwe_in.encrypt_sk(
|
||||
&module,
|
||||
&pt_want,
|
||||
&sk_dft,
|
||||
&mut source_xa,
|
||||
&mut source_xe,
|
||||
sigma,
|
||||
scratch.borrow(),
|
||||
);
|
||||
|
||||
ct_rlwe_in.dft(&module, &mut ct_rlwe_dft_in);
|
||||
ct_rlwe_dft_out.external_product(&module, &ct_rlwe_dft_in, &ct_rgsw, scratch.borrow());
|
||||
ct_rlwe_dft_out.idft(&module, &mut ct_rlwe_out, scratch.borrow());
|
||||
|
||||
ct_rlwe_out.decrypt(&module, &mut pt_have, &sk_dft, scratch.borrow());
|
||||
|
||||
module.vec_znx_rotate_inplace(k as i64, &mut pt_want, 0);
|
||||
|
||||
module.vec_znx_sub_ab_inplace(&mut pt_have, 0, &pt_want, 0);
|
||||
|
||||
let noise_have: f64 = pt_have.data.std(0, log_base2k).log2();
|
||||
|
||||
let var_gct_err_lhs: f64 = sigma * sigma;
|
||||
let var_gct_err_rhs: f64 = 0f64;
|
||||
|
||||
let var_msg: f64 = 1f64 / module.n() as f64; // X^{k}
|
||||
let var_a0_err: f64 = sigma * sigma;
|
||||
let var_a1_err: f64 = 1f64 / 12f64;
|
||||
|
||||
let noise_want: f64 = noise_rgsw_product(
|
||||
module.n() as f64,
|
||||
log_base2k,
|
||||
0.5,
|
||||
var_msg,
|
||||
var_a0_err,
|
||||
var_a1_err,
|
||||
var_gct_err_lhs,
|
||||
var_gct_err_rhs,
|
||||
log_k_rlwe_in,
|
||||
log_k_grlwe,
|
||||
);
|
||||
|
||||
assert!(
|
||||
(noise_have - noise_want).abs() <= 0.1,
|
||||
"{} {}",
|
||||
noise_have,
|
||||
noise_want
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn external_product_inplace() {
|
||||
let module: Module<FFT64> = Module::<FFT64>::new(2048);
|
||||
let log_base2k: usize = 12;
|
||||
let log_k_grlwe: usize = 60;
|
||||
let log_k_rlwe_in: usize = 45;
|
||||
let log_k_rlwe_out: usize = 60;
|
||||
let rows: usize = (log_k_rlwe_in + log_base2k - 1) / log_base2k;
|
||||
let rank: usize = 1;
|
||||
|
||||
let sigma: f64 = 3.2;
|
||||
|
||||
let mut ct_rgsw: GGSWCiphertext<Vec<u8>, FFT64> = GGSWCiphertext::new(&module, log_base2k, log_k_grlwe, rows, rank);
|
||||
let mut ct_rlwe: GLWECiphertext<Vec<u8>> = GLWECiphertext::new(&module, log_base2k, log_k_rlwe_in, rank);
|
||||
let mut ct_rlwe_dft: GLWECiphertextFourier<Vec<u8>, FFT64> =
|
||||
GLWECiphertextFourier::new(&module, log_base2k, log_k_rlwe_in, rank);
|
||||
let mut pt_rgsw: ScalarZnx<Vec<u8>> = module.new_scalar_znx(1);
|
||||
let mut pt_want: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::new(&module, log_base2k, log_k_rlwe_in);
|
||||
let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::new(&module, log_base2k, log_k_rlwe_out);
|
||||
|
||||
let mut source_xs: Source = Source::new([0u8; 32]);
|
||||
let mut source_xe: Source = Source::new([0u8; 32]);
|
||||
let mut source_xa: Source = Source::new([0u8; 32]);
|
||||
|
||||
// Random input plaintext
|
||||
pt_want
|
||||
.data
|
||||
.fill_uniform(log_base2k, 0, pt_want.size(), &mut source_xa);
|
||||
|
||||
pt_want.to_mut().at_mut(0, 0)[1] = 1;
|
||||
|
||||
let k: usize = 1;
|
||||
|
||||
pt_rgsw.raw_mut()[k] = 1; // X^{k}
|
||||
|
||||
let mut scratch: ScratchOwned = ScratchOwned::new(
|
||||
GGSWCiphertext::encrypt_sk_scratch_space(&module, rank, ct_rgsw.size())
|
||||
| GLWECiphertext::decrypt_scratch_space(&module, ct_rlwe.size())
|
||||
| GLWECiphertext::encrypt_sk_scratch_space(&module, rank, ct_rlwe.size())
|
||||
| GLWECiphertext::external_product_inplace_scratch_space(&module, ct_rlwe.size(), ct_rgsw.size()),
|
||||
);
|
||||
|
||||
let mut sk: SecretKey<Vec<u8>> = SecretKey::new(&module, rank);
|
||||
sk.fill_ternary_prob(0.5, &mut source_xs);
|
||||
|
||||
let mut sk_dft: SecretKeyFourier<Vec<u8>, FFT64> = SecretKeyFourier::new(&module, rank);
|
||||
sk_dft.dft(&module, &sk);
|
||||
|
||||
ct_rgsw.encrypt_sk(
|
||||
&module,
|
||||
&pt_rgsw,
|
||||
&sk_dft,
|
||||
&mut source_xa,
|
||||
&mut source_xe,
|
||||
sigma,
|
||||
scratch.borrow(),
|
||||
);
|
||||
|
||||
ct_rlwe.encrypt_sk(
|
||||
&module,
|
||||
&pt_want,
|
||||
&sk_dft,
|
||||
&mut source_xa,
|
||||
&mut source_xe,
|
||||
sigma,
|
||||
scratch.borrow(),
|
||||
);
|
||||
|
||||
ct_rlwe.dft(&module, &mut ct_rlwe_dft);
|
||||
ct_rlwe_dft.external_product_inplace(&module, &ct_rgsw, scratch.borrow());
|
||||
ct_rlwe_dft.idft(&module, &mut ct_rlwe, scratch.borrow());
|
||||
|
||||
ct_rlwe.decrypt(&module, &mut pt_have, &sk_dft, scratch.borrow());
|
||||
|
||||
module.vec_znx_rotate_inplace(k as i64, &mut pt_want, 0);
|
||||
|
||||
module.vec_znx_sub_ab_inplace(&mut pt_have, 0, &pt_want, 0);
|
||||
|
||||
let noise_have: f64 = pt_have.data.std(0, log_base2k).log2();
|
||||
|
||||
let var_gct_err_lhs: f64 = sigma * sigma;
|
||||
let var_gct_err_rhs: f64 = 0f64;
|
||||
|
||||
let var_msg: f64 = 1f64 / module.n() as f64; // X^{k}
|
||||
let var_a0_err: f64 = sigma * sigma;
|
||||
let var_a1_err: f64 = 1f64 / 12f64;
|
||||
|
||||
let noise_want: f64 = noise_rgsw_product(
|
||||
module.n() as f64,
|
||||
log_base2k,
|
||||
0.5,
|
||||
var_msg,
|
||||
var_a0_err,
|
||||
var_a1_err,
|
||||
var_gct_err_lhs,
|
||||
var_gct_err_rhs,
|
||||
log_k_rlwe_in,
|
||||
log_k_grlwe,
|
||||
);
|
||||
|
||||
assert!(
|
||||
(noise_have - noise_want).abs() <= 0.1,
|
||||
"{} {}",
|
||||
noise_have,
|
||||
noise_want
|
||||
);
|
||||
}
|
||||
// use crate::{
|
||||
// elem::Infos,
|
||||
// ggsw_ciphertext::GGSWCiphertext,
|
||||
// glwe_ciphertext::GLWECiphertext,
|
||||
// glwe_ciphertext_fourier::GLWECiphertextFourier,
|
||||
// glwe_plaintext::GLWEPlaintext,
|
||||
// keys::{SecretKey, SecretKeyFourier},
|
||||
// keyswitch_key::GLWESwitchingKey,
|
||||
// test_fft64::{gglwe::noise_grlwe_rlwe_product, ggsw::noise_rgsw_product},
|
||||
// };
|
||||
// use base2k::{FFT64, FillUniform, Module, ScalarZnx, ScalarZnxAlloc, ScratchOwned, Stats, VecZnxOps, VecZnxToMut, ZnxViewMut};
|
||||
// use sampling::source::Source;
|
||||
//
|
||||
// #[test]
|
||||
// fn keyswitch() {
|
||||
// let module: Module<FFT64> = Module::<FFT64>::new(2048);
|
||||
// let log_base2k: usize = 12;
|
||||
// let log_k_grlwe: usize = 60;
|
||||
// let log_k_rlwe_in: usize = 45;
|
||||
// let log_k_rlwe_out: usize = 60;
|
||||
// let rows: usize = (log_k_rlwe_in + log_base2k - 1) / log_base2k;
|
||||
//
|
||||
// let rank: usize = 1;
|
||||
//
|
||||
// let sigma: f64 = 3.2;
|
||||
//
|
||||
// let mut ct_grlwe: GLWESwitchingKey<Vec<u8>, FFT64> =
|
||||
// GLWESwitchingKey::new(&module, log_base2k, log_k_grlwe, rows, rank, rank);
|
||||
// let mut ct_rlwe_in: GLWECiphertext<Vec<u8>> = GLWECiphertext::new(&module, log_base2k, log_k_rlwe_in, rank);
|
||||
// let mut ct_rlwe_in_dft: GLWECiphertextFourier<Vec<u8>, FFT64> =
|
||||
// GLWECiphertextFourier::new(&module, log_base2k, log_k_rlwe_in, rank);
|
||||
// let mut ct_rlwe_out: GLWECiphertext<Vec<u8>> = GLWECiphertext::new(&module, log_base2k, log_k_rlwe_out, rank);
|
||||
// let mut ct_rlwe_out_dft: GLWECiphertextFourier<Vec<u8>, FFT64> =
|
||||
// GLWECiphertextFourier::new(&module, log_base2k, log_k_rlwe_out, rank);
|
||||
// let mut pt_want: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::new(&module, log_base2k, log_k_rlwe_in);
|
||||
// let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::new(&module, log_base2k, log_k_rlwe_out);
|
||||
//
|
||||
// let mut source_xs: Source = Source::new([0u8; 32]);
|
||||
// let mut source_xe: Source = Source::new([0u8; 32]);
|
||||
// let mut source_xa: Source = Source::new([0u8; 32]);
|
||||
//
|
||||
// Random input plaintext
|
||||
// pt_want
|
||||
// .data
|
||||
// .fill_uniform(log_base2k, 0, pt_want.size(), &mut source_xa);
|
||||
//
|
||||
// let mut scratch: ScratchOwned = ScratchOwned::new(
|
||||
// GLWESwitchingKey::encrypt_sk_scratch_space(&module, rank, ct_grlwe.size())
|
||||
// | GLWECiphertext::decrypt_scratch_space(&module, ct_rlwe_out.size())
|
||||
// | GLWECiphertext::encrypt_sk_scratch_space(&module, rank, ct_rlwe_in.size())
|
||||
// | GLWECiphertextFourier::keyswitch_scratch_space(
|
||||
// &module,
|
||||
// ct_rlwe_out.size(),
|
||||
// ct_rlwe_in.size(),
|
||||
// ct_grlwe.size(),
|
||||
// ),
|
||||
// );
|
||||
//
|
||||
// let mut sk0: SecretKey<Vec<u8>> = SecretKey::new(&module, rank);
|
||||
// sk0.fill_ternary_prob(0.5, &mut source_xs);
|
||||
//
|
||||
// let mut sk0_dft: SecretKeyFourier<Vec<u8>, FFT64> = SecretKeyFourier::new(&module, rank);
|
||||
// sk0_dft.dft(&module, &sk0);
|
||||
//
|
||||
// let mut sk1: SecretKey<Vec<u8>> = SecretKey::new(&module, rank);
|
||||
// sk1.fill_ternary_prob(0.5, &mut source_xs);
|
||||
//
|
||||
// let mut sk1_dft: SecretKeyFourier<Vec<u8>, FFT64> = SecretKeyFourier::new(&module, rank);
|
||||
// sk1_dft.dft(&module, &sk1);
|
||||
//
|
||||
// ct_grlwe.encrypt_sk(
|
||||
// &module,
|
||||
// &sk0.data,
|
||||
// &sk1_dft,
|
||||
// &mut source_xa,
|
||||
// &mut source_xe,
|
||||
// sigma,
|
||||
// scratch.borrow(),
|
||||
// );
|
||||
//
|
||||
// ct_rlwe_in.encrypt_sk(
|
||||
// &module,
|
||||
// &pt_want,
|
||||
// &sk0_dft,
|
||||
// &mut source_xa,
|
||||
// &mut source_xe,
|
||||
// sigma,
|
||||
// scratch.borrow(),
|
||||
// );
|
||||
//
|
||||
// ct_rlwe_in.dft(&module, &mut ct_rlwe_in_dft);
|
||||
// ct_rlwe_out_dft.keyswitch(&module, &ct_rlwe_in_dft, &ct_grlwe, scratch.borrow());
|
||||
// ct_rlwe_out_dft.idft(&module, &mut ct_rlwe_out, scratch.borrow());
|
||||
//
|
||||
// ct_rlwe_out.decrypt(&module, &mut pt_have, &sk1_dft, scratch.borrow());
|
||||
//
|
||||
// module.vec_znx_sub_ab_inplace(&mut pt_have, 0, &pt_want, 0);
|
||||
//
|
||||
// let noise_have: f64 = pt_have.data.std(0, log_base2k).log2();
|
||||
// let noise_want: f64 = noise_grlwe_rlwe_product(
|
||||
// module.n() as f64,
|
||||
// log_base2k,
|
||||
// 0.5,
|
||||
// 0.5,
|
||||
// 0f64,
|
||||
// sigma * sigma,
|
||||
// 0f64,
|
||||
// log_k_rlwe_in,
|
||||
// log_k_grlwe,
|
||||
// );
|
||||
//
|
||||
// assert!(
|
||||
// (noise_have - noise_want).abs() <= 0.1,
|
||||
// "{} {}",
|
||||
// noise_have,
|
||||
// noise_want
|
||||
// );
|
||||
// }
|
||||
//
|
||||
// #[test]
|
||||
// fn keyswich_inplace() {
|
||||
// let module: Module<FFT64> = Module::<FFT64>::new(2048);
|
||||
// let log_base2k: usize = 12;
|
||||
// let log_k_grlwe: usize = 60;
|
||||
// let log_k_rlwe: usize = 45;
|
||||
// let rows: usize = (log_k_rlwe + log_base2k - 1) / log_base2k;
|
||||
// let rank: usize = 1;
|
||||
//
|
||||
// let sigma: f64 = 3.2;
|
||||
//
|
||||
// let mut ct_grlwe: GLWESwitchingKey<Vec<u8>, FFT64> =
|
||||
// GLWESwitchingKey::new(&module, log_base2k, log_k_grlwe, rows, rank, rank);
|
||||
// let mut ct_rlwe: GLWECiphertext<Vec<u8>> = GLWECiphertext::new(&module, log_base2k, log_k_rlwe, rank);
|
||||
// let mut ct_rlwe_dft: GLWECiphertextFourier<Vec<u8>, FFT64> =
|
||||
// GLWECiphertextFourier::new(&module, log_base2k, log_k_rlwe, rank);
|
||||
// let mut pt_want: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::new(&module, log_base2k, log_k_rlwe);
|
||||
// let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::new(&module, log_base2k, log_k_rlwe);
|
||||
//
|
||||
// let mut source_xs: Source = Source::new([0u8; 32]);
|
||||
// let mut source_xe: Source = Source::new([0u8; 32]);
|
||||
// let mut source_xa: Source = Source::new([0u8; 32]);
|
||||
//
|
||||
// Random input plaintext
|
||||
// pt_want
|
||||
// .data
|
||||
// .fill_uniform(log_base2k, 0, pt_want.size(), &mut source_xa);
|
||||
//
|
||||
// let mut scratch: ScratchOwned = ScratchOwned::new(
|
||||
// GLWESwitchingKey::encrypt_sk_scratch_space(&module, rank, ct_grlwe.size())
|
||||
// | GLWECiphertext::decrypt_scratch_space(&module, ct_rlwe.size())
|
||||
// | GLWECiphertext::encrypt_sk_scratch_space(&module, rank, ct_rlwe.size())
|
||||
// | GLWECiphertextFourier::keyswitch_inplace_scratch_space(&module, ct_rlwe_dft.size(), ct_grlwe.size()),
|
||||
// );
|
||||
//
|
||||
// let mut sk0: SecretKey<Vec<u8>> = SecretKey::new(&module, rank);
|
||||
// sk0.fill_ternary_prob(0.5, &mut source_xs);
|
||||
//
|
||||
// let mut sk0_dft: SecretKeyFourier<Vec<u8>, FFT64> = SecretKeyFourier::new(&module, rank);
|
||||
// sk0_dft.dft(&module, &sk0);
|
||||
//
|
||||
// let mut sk1: SecretKey<Vec<u8>> = SecretKey::new(&module, rank);
|
||||
// sk1.fill_ternary_prob(0.5, &mut source_xs);
|
||||
//
|
||||
// let mut sk1_dft: SecretKeyFourier<Vec<u8>, FFT64> = SecretKeyFourier::new(&module, rank);
|
||||
// sk1_dft.dft(&module, &sk1);
|
||||
//
|
||||
// ct_grlwe.encrypt_sk(
|
||||
// &module,
|
||||
// &sk0.data,
|
||||
// &sk1_dft,
|
||||
// &mut source_xa,
|
||||
// &mut source_xe,
|
||||
// sigma,
|
||||
// scratch.borrow(),
|
||||
// );
|
||||
//
|
||||
// ct_rlwe.encrypt_sk(
|
||||
// &module,
|
||||
// &pt_want,
|
||||
// &sk0_dft,
|
||||
// &mut source_xa,
|
||||
// &mut source_xe,
|
||||
// sigma,
|
||||
// scratch.borrow(),
|
||||
// );
|
||||
//
|
||||
// ct_rlwe.dft(&module, &mut ct_rlwe_dft);
|
||||
// ct_rlwe_dft.keyswitch_inplace(&module, &ct_grlwe, scratch.borrow());
|
||||
// ct_rlwe_dft.idft(&module, &mut ct_rlwe, scratch.borrow());
|
||||
//
|
||||
// ct_rlwe.decrypt(&module, &mut pt_have, &sk1_dft, scratch.borrow());
|
||||
//
|
||||
// module.vec_znx_sub_ab_inplace(&mut pt_have, 0, &pt_want, 0);
|
||||
//
|
||||
// let noise_have: f64 = pt_have.data.std(0, log_base2k).log2();
|
||||
// let noise_want: f64 = noise_grlwe_rlwe_product(
|
||||
// module.n() as f64,
|
||||
// log_base2k,
|
||||
// 0.5,
|
||||
// 0.5,
|
||||
// 0f64,
|
||||
// sigma * sigma,
|
||||
// 0f64,
|
||||
// log_k_rlwe,
|
||||
// log_k_grlwe,
|
||||
// );
|
||||
//
|
||||
// assert!(
|
||||
// (noise_have - noise_want).abs() <= 0.1,
|
||||
// "{} {}",
|
||||
// noise_have,
|
||||
// noise_want
|
||||
// );
|
||||
// }
|
||||
//
|
||||
// #[test]
|
||||
// fn external_product() {
|
||||
// let module: Module<FFT64> = Module::<FFT64>::new(2048);
|
||||
// let log_base2k: usize = 12;
|
||||
// let log_k_grlwe: usize = 60;
|
||||
// let log_k_rlwe_in: usize = 45;
|
||||
// let log_k_rlwe_out: usize = 60;
|
||||
// let rows: usize = (log_k_rlwe_in + log_base2k - 1) / log_base2k;
|
||||
// let rank: usize = 1;
|
||||
//
|
||||
// let sigma: f64 = 3.2;
|
||||
//
|
||||
// let mut ct_rgsw: GGSWCiphertext<Vec<u8>, FFT64> = GGSWCiphertext::new(&module, log_base2k, log_k_grlwe, rows, rank);
|
||||
// let mut ct_rlwe_in: GLWECiphertext<Vec<u8>> = GLWECiphertext::new(&module, log_base2k, log_k_rlwe_in, rank);
|
||||
// let mut ct_rlwe_out: GLWECiphertext<Vec<u8>> = GLWECiphertext::new(&module, log_base2k, log_k_rlwe_out, rank);
|
||||
// let mut ct_rlwe_dft_in: GLWECiphertextFourier<Vec<u8>, FFT64> =
|
||||
// GLWECiphertextFourier::new(&module, log_base2k, log_k_rlwe_in, rank);
|
||||
// let mut ct_rlwe_dft_out: GLWECiphertextFourier<Vec<u8>, FFT64> =
|
||||
// GLWECiphertextFourier::new(&module, log_base2k, log_k_rlwe_out, rank);
|
||||
// let mut pt_rgsw: ScalarZnx<Vec<u8>> = module.new_scalar_znx(1);
|
||||
// let mut pt_want: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::new(&module, log_base2k, log_k_rlwe_in);
|
||||
// let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::new(&module, log_base2k, log_k_rlwe_out);
|
||||
//
|
||||
// let mut source_xs: Source = Source::new([0u8; 32]);
|
||||
// let mut source_xe: Source = Source::new([0u8; 32]);
|
||||
// let mut source_xa: Source = Source::new([0u8; 32]);
|
||||
//
|
||||
// Random input plaintext
|
||||
// pt_want
|
||||
// .data
|
||||
// .fill_uniform(log_base2k, 0, pt_want.size(), &mut source_xa);
|
||||
//
|
||||
// pt_want.to_mut().at_mut(0, 0)[1] = 1;
|
||||
//
|
||||
// let k: usize = 1;
|
||||
//
|
||||
// pt_rgsw.raw_mut()[k] = 1; // X^{k}
|
||||
//
|
||||
// let mut scratch: ScratchOwned = ScratchOwned::new(
|
||||
// GGSWCiphertext::encrypt_sk_scratch_space(&module, rank, ct_rgsw.size())
|
||||
// | GLWECiphertext::decrypt_scratch_space(&module, ct_rlwe_out.size())
|
||||
// | GLWECiphertext::encrypt_sk_scratch_space(&module, rank, ct_rlwe_in.size())
|
||||
// | GLWECiphertext::external_product_scratch_space(
|
||||
// &module,
|
||||
// ct_rlwe_out.size(),
|
||||
// ct_rlwe_in.size(),
|
||||
// ct_rgsw.size(),
|
||||
// ),
|
||||
// );
|
||||
//
|
||||
// let mut sk: SecretKey<Vec<u8>> = SecretKey::new(&module, rank);
|
||||
// sk.fill_ternary_prob(0.5, &mut source_xs);
|
||||
//
|
||||
// let mut sk_dft: SecretKeyFourier<Vec<u8>, FFT64> = SecretKeyFourier::new(&module, rank);
|
||||
// sk_dft.dft(&module, &sk);
|
||||
//
|
||||
// ct_rgsw.encrypt_sk(
|
||||
// &module,
|
||||
// &pt_rgsw,
|
||||
// &sk_dft,
|
||||
// &mut source_xa,
|
||||
// &mut source_xe,
|
||||
// sigma,
|
||||
// scratch.borrow(),
|
||||
// );
|
||||
//
|
||||
// ct_rlwe_in.encrypt_sk(
|
||||
// &module,
|
||||
// &pt_want,
|
||||
// &sk_dft,
|
||||
// &mut source_xa,
|
||||
// &mut source_xe,
|
||||
// sigma,
|
||||
// scratch.borrow(),
|
||||
// );
|
||||
//
|
||||
// ct_rlwe_in.dft(&module, &mut ct_rlwe_dft_in);
|
||||
// ct_rlwe_dft_out.external_product(&module, &ct_rlwe_dft_in, &ct_rgsw, scratch.borrow());
|
||||
// ct_rlwe_dft_out.idft(&module, &mut ct_rlwe_out, scratch.borrow());
|
||||
//
|
||||
// ct_rlwe_out.decrypt(&module, &mut pt_have, &sk_dft, scratch.borrow());
|
||||
//
|
||||
// module.vec_znx_rotate_inplace(k as i64, &mut pt_want, 0);
|
||||
//
|
||||
// module.vec_znx_sub_ab_inplace(&mut pt_have, 0, &pt_want, 0);
|
||||
//
|
||||
// let noise_have: f64 = pt_have.data.std(0, log_base2k).log2();
|
||||
//
|
||||
// let var_gct_err_lhs: f64 = sigma * sigma;
|
||||
// let var_gct_err_rhs: f64 = 0f64;
|
||||
//
|
||||
// let var_msg: f64 = 1f64 / module.n() as f64; // X^{k}
|
||||
// let var_a0_err: f64 = sigma * sigma;
|
||||
// let var_a1_err: f64 = 1f64 / 12f64;
|
||||
//
|
||||
// let noise_want: f64 = noise_rgsw_product(
|
||||
// module.n() as f64,
|
||||
// log_base2k,
|
||||
// 0.5,
|
||||
// var_msg,
|
||||
// var_a0_err,
|
||||
// var_a1_err,
|
||||
// var_gct_err_lhs,
|
||||
// var_gct_err_rhs,
|
||||
// log_k_rlwe_in,
|
||||
// log_k_grlwe,
|
||||
// );
|
||||
//
|
||||
// assert!(
|
||||
// (noise_have - noise_want).abs() <= 0.1,
|
||||
// "{} {}",
|
||||
// noise_have,
|
||||
// noise_want
|
||||
// );
|
||||
// }
|
||||
//
|
||||
// #[test]
|
||||
// fn external_product_inplace() {
|
||||
// let module: Module<FFT64> = Module::<FFT64>::new(2048);
|
||||
// let log_base2k: usize = 12;
|
||||
// let log_k_grlwe: usize = 60;
|
||||
// let log_k_rlwe_in: usize = 45;
|
||||
// let log_k_rlwe_out: usize = 60;
|
||||
// let rows: usize = (log_k_rlwe_in + log_base2k - 1) / log_base2k;
|
||||
// let rank: usize = 1;
|
||||
//
|
||||
// let sigma: f64 = 3.2;
|
||||
//
|
||||
// let mut ct_rgsw: GGSWCiphertext<Vec<u8>, FFT64> = GGSWCiphertext::new(&module, log_base2k, log_k_grlwe, rows, rank);
|
||||
// let mut ct_rlwe: GLWECiphertext<Vec<u8>> = GLWECiphertext::new(&module, log_base2k, log_k_rlwe_in, rank);
|
||||
// let mut ct_rlwe_dft: GLWECiphertextFourier<Vec<u8>, FFT64> =
|
||||
// GLWECiphertextFourier::new(&module, log_base2k, log_k_rlwe_in, rank);
|
||||
// let mut pt_rgsw: ScalarZnx<Vec<u8>> = module.new_scalar_znx(1);
|
||||
// let mut pt_want: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::new(&module, log_base2k, log_k_rlwe_in);
|
||||
// let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::new(&module, log_base2k, log_k_rlwe_out);
|
||||
//
|
||||
// let mut source_xs: Source = Source::new([0u8; 32]);
|
||||
// let mut source_xe: Source = Source::new([0u8; 32]);
|
||||
// let mut source_xa: Source = Source::new([0u8; 32]);
|
||||
//
|
||||
// Random input plaintext
|
||||
// pt_want
|
||||
// .data
|
||||
// .fill_uniform(log_base2k, 0, pt_want.size(), &mut source_xa);
|
||||
//
|
||||
// pt_want.to_mut().at_mut(0, 0)[1] = 1;
|
||||
//
|
||||
// let k: usize = 1;
|
||||
//
|
||||
// pt_rgsw.raw_mut()[k] = 1; // X^{k}
|
||||
//
|
||||
// let mut scratch: ScratchOwned = ScratchOwned::new(
|
||||
// GGSWCiphertext::encrypt_sk_scratch_space(&module, rank, ct_rgsw.size())
|
||||
// | GLWECiphertext::decrypt_scratch_space(&module, ct_rlwe.size())
|
||||
// | GLWECiphertext::encrypt_sk_scratch_space(&module, rank, ct_rlwe.size())
|
||||
// | GLWECiphertext::external_product_inplace_scratch_space(&module, ct_rlwe.size(), ct_rgsw.size()),
|
||||
// );
|
||||
//
|
||||
// let mut sk: SecretKey<Vec<u8>> = SecretKey::new(&module, rank);
|
||||
// sk.fill_ternary_prob(0.5, &mut source_xs);
|
||||
//
|
||||
// let mut sk_dft: SecretKeyFourier<Vec<u8>, FFT64> = SecretKeyFourier::new(&module, rank);
|
||||
// sk_dft.dft(&module, &sk);
|
||||
//
|
||||
// ct_rgsw.encrypt_sk(
|
||||
// &module,
|
||||
// &pt_rgsw,
|
||||
// &sk_dft,
|
||||
// &mut source_xa,
|
||||
// &mut source_xe,
|
||||
// sigma,
|
||||
// scratch.borrow(),
|
||||
// );
|
||||
//
|
||||
// ct_rlwe.encrypt_sk(
|
||||
// &module,
|
||||
// &pt_want,
|
||||
// &sk_dft,
|
||||
// &mut source_xa,
|
||||
// &mut source_xe,
|
||||
// sigma,
|
||||
// scratch.borrow(),
|
||||
// );
|
||||
//
|
||||
// ct_rlwe.dft(&module, &mut ct_rlwe_dft);
|
||||
// ct_rlwe_dft.external_product_inplace(&module, &ct_rgsw, scratch.borrow());
|
||||
// ct_rlwe_dft.idft(&module, &mut ct_rlwe, scratch.borrow());
|
||||
//
|
||||
// ct_rlwe.decrypt(&module, &mut pt_have, &sk_dft, scratch.borrow());
|
||||
//
|
||||
// module.vec_znx_rotate_inplace(k as i64, &mut pt_want, 0);
|
||||
//
|
||||
// module.vec_znx_sub_ab_inplace(&mut pt_have, 0, &pt_want, 0);
|
||||
//
|
||||
// let noise_have: f64 = pt_have.data.std(0, log_base2k).log2();
|
||||
//
|
||||
// let var_gct_err_lhs: f64 = sigma * sigma;
|
||||
// let var_gct_err_rhs: f64 = 0f64;
|
||||
//
|
||||
// let var_msg: f64 = 1f64 / module.n() as f64; // X^{k}
|
||||
// let var_a0_err: f64 = sigma * sigma;
|
||||
// let var_a1_err: f64 = 1f64 / 12f64;
|
||||
//
|
||||
// let noise_want: f64 = noise_rgsw_product(
|
||||
// module.n() as f64,
|
||||
// log_base2k,
|
||||
// 0.5,
|
||||
// var_msg,
|
||||
// var_a0_err,
|
||||
// var_a1_err,
|
||||
// var_gct_err_lhs,
|
||||
// var_gct_err_rhs,
|
||||
// log_k_rlwe_in,
|
||||
// log_k_grlwe,
|
||||
// );
|
||||
//
|
||||
// assert!(
|
||||
// (noise_have - noise_want).abs() <= 0.1,
|
||||
// "{} {}",
|
||||
// noise_have,
|
||||
// noise_want
|
||||
// );
|
||||
// }
|
||||
|
||||
Reference in New Issue
Block a user