poulpy/poulpy-core/src/tests/generics/conversion.rs
poulpy-core/src/tests/generics/conversion.rsRaw
1use poulpy_hal::{
2 api::{
3 ScratchOwnedAlloc, ScratchOwnedBorrow, SvpApplyInplace, SvpPPolAlloc, SvpPPolAllocBytes, SvpPrepare, VecZnxAddInplace,
4 VecZnxAddNormal, VecZnxAddScalarInplace, VecZnxAutomorphismInplace, VecZnxBigAddInplace, VecZnxBigAddSmallInplace,
5 VecZnxBigAllocBytes, VecZnxBigNormalize, VecZnxBigNormalizeTmpBytes, VecZnxDftAllocBytes, VecZnxDftFromVecZnx,
6 VecZnxDftToVecZnxBigConsume, VecZnxFillUniform, VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes,
7 VecZnxSub, VecZnxSubABInplace, VecZnxSwithcDegree, VmpApply, VmpApplyAdd, VmpApplyTmpBytes, VmpPMatAlloc, VmpPrepare,
8 ZnxView,
9 },
10 layouts::{Backend, Module, ScratchOwned},
11 oep::{
12 ScratchAvailableImpl, ScratchOwnedAllocImpl, ScratchOwnedBorrowImpl, TakeScalarZnxImpl, TakeSvpPPolImpl,
13 TakeVecZnxBigImpl, TakeVecZnxDftImpl, TakeVecZnxImpl,
14 },
15 source::Source,
16};
17
18use crate::layouts::{
19 GLWECiphertext, GLWEPlaintext, GLWESecret, GLWEToLWESwitchingKey, Infos, LWECiphertext, LWEPlaintext, LWESecret,
20 LWEToGLWESwitchingKey,
21 prepared::{GLWESecretPrepared, GLWEToLWESwitchingKeyPrepared, LWEToGLWESwitchingKeyPrepared, PrepareAlloc},
22};
23
24pub fn test_lwe_to_glwe<B>(module: &Module<B>)
25where
26 Module<B>: VecZnxDftAllocBytes
27 + VecZnxBigNormalize<B>
28 + VecZnxDftFromVecZnx<B>
29 + SvpApplyInplace<B>
30 + VecZnxDftToVecZnxBigConsume<B>
31 + VecZnxFillUniform
32 + VecZnxSubABInplace
33 + VecZnxAddInplace
34 + VecZnxNormalizeInplace<B>
35 + VecZnxAddNormal
36 + VecZnxNormalize<B>
37 + VecZnxSub
38 + SvpPrepare<B>
39 + SvpPPolAllocBytes
40 + SvpPPolAlloc<B>
41 + VecZnxBigAllocBytes
42 + VecZnxBigAddInplace<B>
43 + VecZnxBigAddSmallInplace<B>
44 + VecZnxNormalizeTmpBytes
45 + VecZnxAddScalarInplace
46 + VmpPMatAlloc<B>
47 + VmpPrepare<B>
48 + VmpApplyTmpBytes
49 + VmpApply<B>
50 + VmpApplyAdd<B>
51 + VecZnxBigNormalizeTmpBytes
52 + VecZnxSwithcDegree
53 + VecZnxAutomorphismInplace,
54 B: Backend
55 + TakeVecZnxDftImpl<B>
56 + TakeVecZnxBigImpl<B>
57 + TakeSvpPPolImpl<B>
58 + ScratchOwnedAllocImpl<B>
59 + ScratchOwnedBorrowImpl<B>
60 + ScratchAvailableImpl<B>
61 + TakeScalarZnxImpl<B>
62 + TakeVecZnxImpl<B>,
63{
64 let n: usize = module.n();
65 let basek: usize = 17;
66
67 let rank: usize = 2;
68
69 let n_lwe: usize = 22;
70 let k_lwe_ct: usize = 2 * basek;
71 let k_lwe_pt: usize = 8;
72
73 let k_glwe_ct: usize = 3 * basek;
74
75 let k_ksk: usize = k_lwe_ct + basek;
76
77 let mut source_xs: Source = Source::new([0u8; 32]);
78 let mut source_xa: Source = Source::new([0u8; 32]);
79 let mut source_xe: Source = Source::new([0u8; 32]);
80
81 let mut scratch: ScratchOwned<B> = ScratchOwned::alloc(
82 LWEToGLWESwitchingKey::encrypt_sk_scratch_space(module, n, basek, k_ksk, rank)
83 | GLWECiphertext::from_lwe_scratch_space(module, n, basek, k_lwe_ct, k_glwe_ct, k_ksk, rank)
84 | GLWECiphertext::decrypt_scratch_space(module, n, basek, k_glwe_ct),
85 );
86
87 let mut sk_glwe: GLWESecret<Vec<u8>> = GLWESecret::alloc(n, rank);
88 sk_glwe.fill_ternary_prob(0.5, &mut source_xs);
89
90 let sk_glwe_prepared: GLWESecretPrepared<Vec<u8>, B> = sk_glwe.prepare_alloc(module, scratch.borrow());
91
92 let mut sk_lwe: LWESecret<Vec<u8>> = LWESecret::alloc(n_lwe);
93 sk_lwe.fill_ternary_prob(0.5, &mut source_xs);
94
95 let data: i64 = 17;
96
97 let mut lwe_pt: LWEPlaintext<Vec<u8>> = LWEPlaintext::alloc(basek, k_lwe_pt);
98 lwe_pt.encode_i64(data, k_lwe_pt);
99
100 let mut lwe_ct: LWECiphertext<Vec<u8>> = LWECiphertext::alloc(n_lwe, basek, k_lwe_ct);
101 lwe_ct.encrypt_sk(module, &lwe_pt, &sk_lwe, &mut source_xa, &mut source_xe);
102
103 let mut ksk: LWEToGLWESwitchingKey<Vec<u8>> = LWEToGLWESwitchingKey::alloc(n, basek, k_ksk, lwe_ct.size(), rank);
104
105 ksk.encrypt_sk(
106 module,
107 &sk_lwe,
108 &sk_glwe,
109 &mut source_xa,
110 &mut source_xe,
111 scratch.borrow(),
112 );
113
114 let mut glwe_ct: GLWECiphertext<Vec<u8>> = GLWECiphertext::alloc(n, basek, k_glwe_ct, rank);
115
116 let ksk_prepared: LWEToGLWESwitchingKeyPrepared<Vec<u8>, B> = ksk.prepare_alloc(module, scratch.borrow());
117
118 glwe_ct.from_lwe(module, &lwe_ct, &ksk_prepared, scratch.borrow());
119
120 let mut glwe_pt: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc(n, basek, k_glwe_ct);
121 glwe_ct.decrypt(module, &mut glwe_pt, &sk_glwe_prepared, scratch.borrow());
122
123 assert_eq!(glwe_pt.data.at(0, 0)[0], lwe_pt.data.at(0, 0)[0]);
124}
125
126pub fn test_glwe_to_lwe<B>(module: &Module<B>)
127where
128 Module<B>: VecZnxDftAllocBytes
129 + VecZnxBigNormalize<B>
130 + VecZnxDftFromVecZnx<B>
131 + SvpApplyInplace<B>
132 + VecZnxDftToVecZnxBigConsume<B>
133 + VecZnxFillUniform
134 + VecZnxSubABInplace
135 + VecZnxAddInplace
136 + VecZnxNormalizeInplace<B>
137 + VecZnxAddNormal
138 + VecZnxNormalize<B>
139 + VecZnxSub
140 + SvpPrepare<B>
141 + SvpPPolAllocBytes
142 + SvpPPolAlloc<B>
143 + VecZnxBigAllocBytes
144 + VecZnxBigAddInplace<B>
145 + VecZnxBigAddSmallInplace<B>
146 + VecZnxNormalizeTmpBytes
147 + VecZnxAddScalarInplace
148 + VmpPMatAlloc<B>
149 + VmpPrepare<B>
150 + VmpApplyTmpBytes
151 + VmpApply<B>
152 + VmpApplyAdd<B>
153 + VecZnxBigNormalizeTmpBytes
154 + VecZnxSwithcDegree
155 + VecZnxAutomorphismInplace,
156 B: Backend
157 + TakeVecZnxDftImpl<B>
158 + TakeVecZnxBigImpl<B>
159 + TakeSvpPPolImpl<B>
160 + ScratchOwnedAllocImpl<B>
161 + ScratchOwnedBorrowImpl<B>
162 + ScratchAvailableImpl<B>
163 + TakeScalarZnxImpl<B>
164 + TakeVecZnxImpl<B>,
165{
166 let n: usize = module.n();
167 let basek: usize = 17;
168
169 let rank: usize = 2;
170
171 let n_lwe: usize = 22;
172 let k_lwe_ct: usize = 2 * basek;
173 let k_lwe_pt: usize = 8;
174
175 let k_glwe_ct: usize = 3 * basek;
176
177 let k_ksk: usize = k_lwe_ct + basek;
178
179 let mut source_xs: Source = Source::new([0u8; 32]);
180 let mut source_xa: Source = Source::new([0u8; 32]);
181 let mut source_xe: Source = Source::new([0u8; 32]);
182
183 let mut scratch: ScratchOwned<B> = ScratchOwned::alloc(
184 LWEToGLWESwitchingKey::encrypt_sk_scratch_space(module, n, basek, k_ksk, rank)
185 | LWECiphertext::from_glwe_scratch_space(module, n, basek, k_lwe_ct, k_glwe_ct, k_ksk, rank)
186 | GLWECiphertext::decrypt_scratch_space(module, n, basek, k_glwe_ct),
187 );
188
189 let mut sk_glwe: GLWESecret<Vec<u8>> = GLWESecret::alloc(n, rank);
190 sk_glwe.fill_ternary_prob(0.5, &mut source_xs);
191
192 let sk_glwe_prepared: GLWESecretPrepared<Vec<u8>, B> = sk_glwe.prepare_alloc(module, scratch.borrow());
193
194 let mut sk_lwe = LWESecret::alloc(n_lwe);
195 sk_lwe.fill_ternary_prob(0.5, &mut source_xs);
196
197 let data: i64 = 17;
198 let mut glwe_pt: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc(n, basek, k_glwe_ct);
199 glwe_pt.encode_coeff_i64(data, k_lwe_pt, 0);
200
201 let mut glwe_ct = GLWECiphertext::alloc(n, basek, k_glwe_ct, rank);
202 glwe_ct.encrypt_sk(
203 module,
204 &glwe_pt,
205 &sk_glwe_prepared,
206 &mut source_xa,
207 &mut source_xe,
208 scratch.borrow(),
209 );
210
211 let mut ksk: GLWEToLWESwitchingKey<Vec<u8>> = GLWEToLWESwitchingKey::alloc(n, basek, k_ksk, glwe_ct.size(), rank);
212
213 ksk.encrypt_sk(
214 module,
215 &sk_lwe,
216 &sk_glwe,
217 &mut source_xa,
218 &mut source_xe,
219 scratch.borrow(),
220 );
221
222 let mut lwe_ct: LWECiphertext<Vec<u8>> = LWECiphertext::alloc(n_lwe, basek, k_lwe_ct);
223
224 let ksk_prepared: GLWEToLWESwitchingKeyPrepared<Vec<u8>, B> = ksk.prepare_alloc(module, scratch.borrow());
225
226 lwe_ct.from_glwe(module, &glwe_ct, &ksk_prepared, scratch.borrow());
227
228 let mut lwe_pt: LWEPlaintext<Vec<u8>> = LWEPlaintext::alloc(basek, k_lwe_ct);
229 lwe_ct.decrypt(module, &mut lwe_pt, &sk_lwe);
230
231 assert_eq!(glwe_pt.data.at(0, 0)[0], lwe_pt.data.at(0, 0)[0]);
232}