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Added LWE-GLWE conversion & LWE Keyswitch, improved LUT generation

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This commit is contained in:
Jean-Philippe Bossuat
2025-07-07 11:09:04 +02:00
parent c4a517e9c3
commit 5234c3fc63
28 changed files with 979 additions and 782 deletions
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8
core/benches/keyswitch_glwe_fft64.rs
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@@ -38,7 +38,7 @@ fn bench_keyswitch_glwe_fft64(c: &mut Criterion) {
let mut ct_out: GLWECiphertext<Vec<u8>> = GLWECiphertext::alloc(&module, basek, k_rlwe_out, rank_out);
let mut scratch = ScratchOwned::new(
GLWESwitchingKey::encrypt_sk_scratch_space(&module, basek, ksk.k(), rank_out)
GLWESwitchingKey::encrypt_sk_scratch_space(&module, basek, ksk.k(), rank_in, rank_out)
| GLWECiphertext::encrypt_sk_scratch_space(&module, basek, ct_in.k())
| GLWECiphertext::keyswitch_scratch_space(
&module,
@@ -63,7 +63,7 @@ fn bench_keyswitch_glwe_fft64(c: &mut Criterion) {
let mut sk_out: GLWESecret<Vec<u8>> = GLWESecret::alloc(&module, rank_out);
sk_out.fill_ternary_prob(0.5, &mut source_xs);
ksk.generate_from_sk(
ksk.encrypt_sk(
&module,
-1,
&sk_in,
@@ -139,7 +139,7 @@ fn bench_keyswitch_glwe_inplace_fft64(c: &mut Criterion) {
let mut ct: GLWECiphertext<Vec<u8>> = GLWECiphertext::alloc(&module, basek, k_ct, rank);
let mut scratch = ScratchOwned::new(
GLWESwitchingKey::encrypt_sk_scratch_space(&module, basek, ksk.k(), rank)
GLWESwitchingKey::encrypt_sk_scratch_space(&module, basek, ksk.k(), rank, rank)
| GLWECiphertext::encrypt_sk_scratch_space(&module, basek, ct.k())
| GLWECiphertext::keyswitch_inplace_scratch_space(&module, basek, ct.k(), ksk.k(), digits, rank),
);
@@ -156,7 +156,7 @@ fn bench_keyswitch_glwe_inplace_fft64(c: &mut Criterion) {
sk_out.fill_ternary_prob(0.5, &mut source_xs);
let sk_out_dft: FourierGLWESecret<Vec<u8>, FFT64> = FourierGLWESecret::from(&module, &sk_out);
ksk.generate_from_sk(
ksk.encrypt_sk(
&module,
&sk_in,
&sk_out_dft,