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Updated arguments to get scratch space size for ops

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Jean-Philippe Bossuat
2025-05-28 18:46:24 +02:00
parent 8209fb4e40
commit f9440c5407
20 changed files with 599 additions and 529 deletions
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57
core/src/keyswitch_key.rs
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@@ -1,4 +1,4 @@
use backend::{Backend, FFT64, MatZnxDft, MatZnxDftOps, Module, Scratch, VecZnxDftAlloc, ZnxZero};
use backend::{Backend, FFT64, MatZnxDft, MatZnxDftOps, Module, Scratch, ZnxZero};
use sampling::source::Source;
use crate::{
@@ -79,55 +79,64 @@ impl<C: AsMut<[u8]> + AsRef<[u8]>> SetRow<FFT64> for GLWESwitchingKey<C, FFT64>
}
impl GLWESwitchingKey<Vec<u8>, FFT64> {
pub fn encrypt_sk_scratch_space(module: &Module<FFT64>, rank: usize, size: usize) -> usize {
GGLWECiphertext::generate_from_sk_scratch_space(module, rank, size)
pub fn encrypt_sk_scratch_space(module: &Module<FFT64>, basek: usize, k: usize, rank: usize) -> usize {
GGLWECiphertext::generate_from_sk_scratch_space(module, basek, k, rank)
}
pub fn encrypt_pk_scratch_space(module: &Module<FFT64>, rank: usize, pk_size: usize) -> usize {
GGLWECiphertext::generate_from_pk_scratch_space(module, rank, pk_size)
pub fn encrypt_pk_scratch_space(module: &Module<FFT64>, _basek: usize, _k: usize, _rank: usize) -> usize {
GGLWECiphertext::generate_from_pk_scratch_space(module, _basek, _k, _rank)
}
pub fn keyswitch_scratch_space(
module: &Module<FFT64>,
out_size: usize,
basek: usize,
out_k: usize,
out_rank: usize,
in_size: usize,
in_k: usize,
in_rank: usize,
ksk_size: usize,
ksk_k: usize,
) -> usize {
let tmp_in: usize = module.bytes_of_vec_znx_dft(in_rank + 1, in_size);
let tmp_out: usize = module.bytes_of_vec_znx_dft(out_rank + 1, out_size);
let ksk: usize = GLWECiphertextFourier::keyswitch_scratch_space(module, out_size, out_rank, in_size, in_rank, ksk_size);
let tmp_in: usize = GLWECiphertextFourier::bytes_of(module, basek, in_k, in_rank);
let tmp_out: usize = GLWECiphertextFourier::bytes_of(module, basek, out_k, out_rank);
let ksk: usize = GLWECiphertextFourier::keyswitch_scratch_space(module, basek, out_k, out_rank, in_k, in_rank, ksk_k);
tmp_in + tmp_out + ksk
}
pub fn keyswitch_inplace_scratch_space(module: &Module<FFT64>, out_size: usize, out_rank: usize, ksk_size: usize) -> usize {
let tmp: usize = module.bytes_of_vec_znx_dft(out_rank + 1, out_size);
let ksk: usize = GLWECiphertextFourier::keyswitch_inplace_scratch_space(module, out_size, out_rank, ksk_size);
pub fn keyswitch_inplace_scratch_space(
module: &Module<FFT64>,
basek: usize,
out_k: usize,
out_rank: usize,
ksk_k: usize,
) -> usize {
let tmp: usize = GLWECiphertextFourier::bytes_of(module, basek, out_k, out_rank);
let ksk: usize = GLWECiphertextFourier::keyswitch_inplace_scratch_space(module, basek, out_k, out_rank, ksk_k);
tmp + ksk
}
pub fn external_product_scratch_space(
module: &Module<FFT64>,
out_size: usize,
in_size: usize,
ggsw_size: usize,
basek: usize,
out_k: usize,
in_k: usize,
ggsw_k: usize,
rank: usize,
) -> usize {
let tmp_in: usize = module.bytes_of_vec_znx_dft(rank + 1, in_size);
let tmp_out: usize = module.bytes_of_vec_znx_dft(rank + 1, out_size);
let ggsw: usize = GLWECiphertextFourier::external_product_scratch_space(module, out_size, in_size, ggsw_size, rank);
let tmp_in: usize = GLWECiphertextFourier::bytes_of(module, basek, in_k, rank);
let tmp_out: usize = GLWECiphertextFourier::bytes_of(module, basek, out_k, rank);
let ggsw: usize = GLWECiphertextFourier::external_product_scratch_space(module, basek, out_k, in_k, ggsw_k, rank);
tmp_in + tmp_out + ggsw
}
pub fn external_product_inplace_scratch_space(
module: &Module<FFT64>,
out_size: usize,
ggsw_size: usize,
basek: usize,
out_k: usize,
ggsw_k: usize,
rank: usize,
) -> usize {
let tmp: usize = module.bytes_of_vec_znx_dft(rank + 1, out_size);
let ggsw: usize = GLWECiphertextFourier::external_product_inplace_scratch_space(module, out_size, ggsw_size, rank);
let tmp: usize = GLWECiphertextFourier::bytes_of(module, basek, out_k, rank);
let ggsw: usize = GLWECiphertextFourier::external_product_inplace_scratch_space(module, basek, out_k, ggsw_k, rank);
tmp + ggsw
}
}