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reworked scalar

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This commit is contained in:
Jean-Philippe Bossuat
2025-04-30 23:11:43 +02:00
parent 6f7b93c7ca
commit 9ade995cd7
8 changed files with 311 additions and 338 deletions
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14
base2k/examples/rlwe_encrypt.rs
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@@ -1,6 +1,6 @@
use base2k::{
Encoding, FFT64, Module, Sampling, Scalar, ScalarZnxDft, ScalarZnxDftOps, VecZnx, VecZnxBig, VecZnxBigOps, VecZnxDft,
VecZnxDftOps, VecZnxOps, ZnxInfos, alloc_aligned,
Encoding, FFT64, Module, Sampling, Scalar, ScalarOps, ScalarZnxDft, ScalarZnxDftOps, VecZnx, VecZnxBig, VecZnxBigOps,
VecZnxDft, VecZnxDftOps, VecZnxOps, ZnxInfos, alloc_aligned,
};
use itertools::izip;
use sampling::source::Source;
@@ -19,14 +19,14 @@ fn main() {
let mut source: Source = Source::new(seed);
// s <- Z_{-1, 0, 1}[X]/(X^{N}+1)
let mut s: Scalar = Scalar::new(n);
s.fill_ternary_prob(0.5, &mut source);
let mut s: Scalar = module.new_scalar(1);
s.fill_ternary_prob(0, 0.5, &mut source);
// Buffer to store s in the DFT domain
let mut s_dft: ScalarZnxDft<FFT64> = module.new_scalar_znx_dft();
let mut s_dft: ScalarZnxDft<FFT64> = module.new_scalar_znx_dft(s.cols());
// s_dft <- DFT(s)
module.svp_prepare(&mut s_dft, &s);
module.svp_prepare(&mut s_dft, 0, &s, 0);
// Allocates a VecZnx with two columns: ct=(0, 0)
let mut ct: VecZnx = module.new_vec_znx(
@@ -48,6 +48,7 @@ fn main() {
&mut buf_dft, // DFT(ct[1] * s)
0, // Selects the first column of res
&s_dft, // DFT(s)
0, // Selects the first column of s_dft
&ct,
1, // Selects the second column of ct
);
@@ -106,6 +107,7 @@ fn main() {
&mut buf_dft,
0, // Selects the first column of res.
&s_dft,
0,
&ct,
1, // Selects the second column of ct (ct[1])
);