Struct GLWECiphertext

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pub struct GLWECiphertext<D: Data> { /* private fields */ }

Implementations§

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impl GLWECiphertext<Vec<u8>>

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pub fn automorphism_scratch_space<B: Backend, OUT, IN, KEY>( module: &Module, out_infos: &OUT, in_infos: &IN, key_infos: &KEY, ) -> usize
where OUT: GLWEInfos, IN: GLWEInfos, KEY: GGLWELayoutInfos, Module: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxBigNormalizeTmpBytes + VecZnxNormalizeTmpBytes,

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pub fn automorphism_inplace_scratch_space<B: Backend, OUT, KEY>( module: &Module, out_infos: &OUT, key_infos: &KEY, ) -> usize
where OUT: GLWEInfos, KEY: GGLWELayoutInfos, Module: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxBigNormalizeTmpBytes + VecZnxNormalizeTmpBytes,

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impl<DataSelf: DataMut> GLWECiphertext<DataSelf>

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pub fn automorphism<DataLhs: DataRef, DataRhs: DataRef, B: Backend>( &mut self, module: &Module, lhs: &GLWECiphertext<DataLhs>, rhs: &GGLWEAutomorphismKeyPrepared<DataRhs, B>, scratch: &mut Scratch, )
where Module: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxBigNormalizeTmpBytes + VmpApplyDftToDft + VmpApplyDftToDftAdd + VecZnxDftApply + VecZnxIdftApplyConsume + VecZnxBigAddSmallInplace + VecZnxBigNormalize + VecZnxAutomorphismInplace + VecZnxNormalize + VecZnxNormalizeTmpBytes, Scratch: TakeVecZnxDft + ScratchAvailable + TakeVecZnx,

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pub fn automorphism_inplace<DataRhs: DataRef, B: Backend>( &mut self, module: &Module, rhs: &GGLWEAutomorphismKeyPrepared<DataRhs, B>, scratch: &mut Scratch, )
where Module: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxBigNormalizeTmpBytes + VmpApplyDftToDft + VmpApplyDftToDftAdd + VecZnxDftApply + VecZnxIdftApplyConsume + VecZnxBigAddSmallInplace + VecZnxBigNormalize + VecZnxAutomorphismInplace + VecZnxNormalize + VecZnxNormalizeTmpBytes, Scratch: TakeVecZnxDft + ScratchAvailable + TakeVecZnx,

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pub fn automorphism_add<DataLhs: DataRef, DataRhs: DataRef, B: Backend>( &mut self, module: &Module, lhs: &GLWECiphertext<DataLhs>, rhs: &GGLWEAutomorphismKeyPrepared<DataRhs, B>, scratch: &mut Scratch, )
where Module: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxBigNormalizeTmpBytes + VmpApplyDftToDft + VmpApplyDftToDftAdd + VecZnxDftApply + VecZnxIdftApplyConsume + VecZnxBigAddSmallInplace + VecZnxBigNormalize + VecZnxBigAutomorphismInplace + VecZnxNormalizeTmpBytes + VecZnxNormalize, Scratch: TakeVecZnxDft + ScratchAvailable + TakeVecZnx,

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pub fn automorphism_add_inplace<DataRhs: DataRef, B: Backend>( &mut self, module: &Module, rhs: &GGLWEAutomorphismKeyPrepared<DataRhs, B>, scratch: &mut Scratch, )
where Module: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxBigNormalizeTmpBytes + VmpApplyDftToDft + VmpApplyDftToDftAdd + VecZnxDftApply + VecZnxIdftApplyConsume + VecZnxBigAddSmallInplace + VecZnxBigNormalize + VecZnxBigAutomorphismInplace + VecZnxNormalizeTmpBytes + VecZnxNormalize, Scratch: TakeVecZnxDft + ScratchAvailable + TakeVecZnx,

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pub fn automorphism_sub_ab<DataLhs: DataRef, DataRhs: DataRef, B: Backend>( &mut self, module: &Module, lhs: &GLWECiphertext<DataLhs>, rhs: &GGLWEAutomorphismKeyPrepared<DataRhs, B>, scratch: &mut Scratch, )
where Module: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxBigNormalizeTmpBytes + VmpApplyDftToDft + VmpApplyDftToDftAdd + VecZnxDftApply + VecZnxIdftApplyConsume + VecZnxBigAddSmallInplace + VecZnxBigNormalize + VecZnxBigAutomorphismInplace + VecZnxBigSubSmallInplace + VecZnxNormalizeTmpBytes + VecZnxNormalize, Scratch: TakeVecZnxDft + ScratchAvailable + TakeVecZnx,

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pub fn automorphism_sub_inplace<DataRhs: DataRef, B: Backend>( &mut self, module: &Module, rhs: &GGLWEAutomorphismKeyPrepared<DataRhs, B>, scratch: &mut Scratch, )
where Module: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxBigNormalizeTmpBytes + VmpApplyDftToDft + VmpApplyDftToDftAdd + VecZnxDftApply + VecZnxIdftApplyConsume + VecZnxBigAddSmallInplace + VecZnxBigNormalize + VecZnxBigAutomorphismInplace + VecZnxBigSubSmallInplace + VecZnxNormalizeTmpBytes + VecZnxNormalize, Scratch: TakeVecZnxDft + ScratchAvailable + TakeVecZnx,

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pub fn automorphism_sub_negate<DataLhs: DataRef, DataRhs: DataRef, B: Backend>( &mut self, module: &Module, lhs: &GLWECiphertext<DataLhs>, rhs: &GGLWEAutomorphismKeyPrepared<DataRhs, B>, scratch: &mut Scratch, )
where Module: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxBigNormalizeTmpBytes + VmpApplyDftToDft + VmpApplyDftToDftAdd + VecZnxDftApply + VecZnxIdftApplyConsume + VecZnxBigAddSmallInplace + VecZnxBigNormalize + VecZnxBigAutomorphismInplace + VecZnxBigSubSmallNegateInplace + VecZnxNormalizeTmpBytes + VecZnxNormalize, Scratch: TakeVecZnxDft + ScratchAvailable + TakeVecZnx,

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pub fn automorphism_sub_negate_inplace<DataRhs: DataRef, B: Backend>( &mut self, module: &Module, rhs: &GGLWEAutomorphismKeyPrepared<DataRhs, B>, scratch: &mut Scratch, )
where Module: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxBigNormalizeTmpBytes + VmpApplyDftToDft + VmpApplyDftToDftAdd + VecZnxDftApply + VecZnxIdftApplyConsume + VecZnxBigAddSmallInplace + VecZnxBigNormalize + VecZnxBigAutomorphismInplace + VecZnxBigSubSmallNegateInplace + VecZnxNormalizeTmpBytes + VecZnxNormalize, Scratch: TakeVecZnxDft + ScratchAvailable + TakeVecZnx,

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impl GLWECiphertext<Vec<u8>>

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pub fn from_lwe_scratch_space<B: Backend, OUT, IN, KEY>( module: &Module, glwe_infos: &OUT, lwe_infos: &IN, key_infos: &KEY, ) -> usize
where OUT: GLWEInfos, IN: LWEInfos, KEY: GGLWELayoutInfos, Module: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxBigNormalizeTmpBytes + VecZnxNormalizeTmpBytes,

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impl<D: DataMut> GLWECiphertext<D>

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pub fn from_lwe<DLwe, DKsk, B: Backend>( &mut self, module: &Module, lwe: &LWECiphertext<DLwe>, ksk: &LWEToGLWESwitchingKeyPrepared<DKsk, B>, scratch: &mut Scratch, )
where DLwe: DataRef, DKsk: DataRef, Module: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxBigNormalizeTmpBytes + VmpApplyDftToDft + VmpApplyDftToDftAdd + VecZnxDftApply + VecZnxIdftApplyConsume + VecZnxBigAddSmallInplace + VecZnxBigNormalize + VecZnxNormalize + VecZnxNormalizeTmpBytes, Scratch: ScratchAvailable + TakeVecZnxDft + TakeGLWECt + TakeVecZnx,

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impl GLWECiphertext<Vec<u8>>

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pub fn decrypt_scratch_space<B: Backend, A>( module: &Module, infos: &A, ) -> usize
where A: GLWEInfos, Module: VecZnxDftAllocBytes + VecZnxNormalizeTmpBytes,

Examples found in repository ?

examples/encryption.rs (line 59)

16fn main() {
17    // Ring degree
18    let log_n: usize = 10;
19
20    let n: Degree = Degree(1 << log_n);
21
22    // Base-2-k (implicit digit decomposition)
23    let base2k: Base2K = Base2K(14);
24
25    // Ciphertext Torus precision (equivalent to ciphertext modulus)
26    let k_ct: TorusPrecision = TorusPrecision(27);
27
28    // Plaintext Torus precision (equivament to plaintext modulus)
29    let k_pt: TorusPrecision = TorusPrecision(base2k.into());
30
31    // GLWE rank
32    let rank: Rank = Rank(1);
33
34    // Instantiate Module (DFT Tables)
35    let module: Module<FFT64Spqlios> = Module::<FFT64Spqlios>::new(n.0 as u64);
36
37    let glwe_ct_infos: GLWECiphertextLayout = GLWECiphertextLayout {
38        n,
39        base2k,
40        k: k_ct,
41        rank,
42    };
43
44    let glwe_pt_infos: GLWEPlaintextLayout = GLWEPlaintextLayout { n, base2k, k: k_pt };
45
46    // Allocates ciphertext & plaintexts
47    let mut ct: GLWECiphertext<Vec<u8>> = GLWECiphertext::alloc(&glwe_ct_infos);
48    let mut pt_want: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc(&glwe_pt_infos);
49    let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc(&glwe_pt_infos);
50
51    // CPRNG
52    let mut source_xs: Source = Source::new([0u8; 32]);
53    let mut source_xe: Source = Source::new([1u8; 32]);
54    let mut source_xa: Source = Source::new([2u8; 32]);
55
56    // Scratch space
57    let mut scratch: ScratchOwned<FFT64Spqlios> = ScratchOwned::alloc(
58        GLWECiphertext::encrypt_sk_scratch_space(&module, &glwe_ct_infos)
59            | GLWECiphertext::decrypt_scratch_space(&module, &glwe_ct_infos),
60    );
61
62    // Generate secret-key
63    let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc(&glwe_ct_infos);
64    sk.fill_ternary_prob(0.5, &mut source_xs);
65
66    // Backend-prepared secret
67    let sk_prepared: GLWESecretPrepared<Vec<u8>, FFT64Spqlios> = sk.prepare_alloc(&module, scratch.borrow());
68
69    // Uniform plaintext
70    module.vec_znx_fill_uniform(base2k.into(), &mut pt_want.data, 0, &mut source_xa);
71
72    // Encryption
73    ct.encrypt_sk(
74        &module,
75        &pt_want,
76        &sk_prepared,
77        &mut source_xa,
78        &mut source_xe,
79        scratch.borrow(),
80    );
81
82    // Decryption
83    ct.decrypt(&module, &mut pt_have, &sk_prepared, scratch.borrow());
84
85    // Diff between pt - Dec(Enc(pt))
86    pt_want.sub_inplace_ab(&module, &pt_have);
87
88    // Ideal vs. actual noise
89    let noise_have: f64 = pt_want.data.std(base2k.into(), 0) * (ct.k().as_u32() as f64).exp2();
90    let noise_want: f64 = SIGMA;
91
92    // Check
93    assert!(noise_have <= noise_want + 0.2);
94}

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impl<DataSelf: DataRef> GLWECiphertext<DataSelf>

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pub fn decrypt<DataPt: DataMut, DataSk: DataRef, B: Backend>( &self, module: &Module, pt: &mut GLWEPlaintext<DataPt>, sk: &GLWESecretPrepared<DataSk, B>, scratch: &mut Scratch, )
where Module: VecZnxDftApply + SvpApplyDftToDftInplace + VecZnxIdftApplyConsume + VecZnxBigAddInplace + VecZnxBigAddSmallInplace + VecZnxBigNormalize, Scratch: TakeVecZnxDft + TakeVecZnxBig,

Examples found in repository ?

examples/encryption.rs (line 83)

16fn main() {
17    // Ring degree
18    let log_n: usize = 10;
19
20    let n: Degree = Degree(1 << log_n);
21
22    // Base-2-k (implicit digit decomposition)
23    let base2k: Base2K = Base2K(14);
24
25    // Ciphertext Torus precision (equivalent to ciphertext modulus)
26    let k_ct: TorusPrecision = TorusPrecision(27);
27
28    // Plaintext Torus precision (equivament to plaintext modulus)
29    let k_pt: TorusPrecision = TorusPrecision(base2k.into());
30
31    // GLWE rank
32    let rank: Rank = Rank(1);
33
34    // Instantiate Module (DFT Tables)
35    let module: Module<FFT64Spqlios> = Module::<FFT64Spqlios>::new(n.0 as u64);
36
37    let glwe_ct_infos: GLWECiphertextLayout = GLWECiphertextLayout {
38        n,
39        base2k,
40        k: k_ct,
41        rank,
42    };
43
44    let glwe_pt_infos: GLWEPlaintextLayout = GLWEPlaintextLayout { n, base2k, k: k_pt };
45
46    // Allocates ciphertext & plaintexts
47    let mut ct: GLWECiphertext<Vec<u8>> = GLWECiphertext::alloc(&glwe_ct_infos);
48    let mut pt_want: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc(&glwe_pt_infos);
49    let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc(&glwe_pt_infos);
50
51    // CPRNG
52    let mut source_xs: Source = Source::new([0u8; 32]);
53    let mut source_xe: Source = Source::new([1u8; 32]);
54    let mut source_xa: Source = Source::new([2u8; 32]);
55
56    // Scratch space
57    let mut scratch: ScratchOwned<FFT64Spqlios> = ScratchOwned::alloc(
58        GLWECiphertext::encrypt_sk_scratch_space(&module, &glwe_ct_infos)
59            | GLWECiphertext::decrypt_scratch_space(&module, &glwe_ct_infos),
60    );
61
62    // Generate secret-key
63    let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc(&glwe_ct_infos);
64    sk.fill_ternary_prob(0.5, &mut source_xs);
65
66    // Backend-prepared secret
67    let sk_prepared: GLWESecretPrepared<Vec<u8>, FFT64Spqlios> = sk.prepare_alloc(&module, scratch.borrow());
68
69    // Uniform plaintext
70    module.vec_znx_fill_uniform(base2k.into(), &mut pt_want.data, 0, &mut source_xa);
71
72    // Encryption
73    ct.encrypt_sk(
74        &module,
75        &pt_want,
76        &sk_prepared,
77        &mut source_xa,
78        &mut source_xe,
79        scratch.borrow(),
80    );
81
82    // Decryption
83    ct.decrypt(&module, &mut pt_have, &sk_prepared, scratch.borrow());
84
85    // Diff between pt - Dec(Enc(pt))
86    pt_want.sub_inplace_ab(&module, &pt_have);
87
88    // Ideal vs. actual noise
89    let noise_have: f64 = pt_want.data.std(base2k.into(), 0) * (ct.k().as_u32() as f64).exp2();
90    let noise_want: f64 = SIGMA;
91
92    // Check
93    assert!(noise_have <= noise_want + 0.2);
94}

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impl GLWECiphertext<Vec<u8>>

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pub fn encrypt_sk_scratch_space<B: Backend, A>( module: &Module, infos: &A, ) -> usize
where A: GLWEInfos, Module: VecZnxNormalizeTmpBytes + VecZnxDftAllocBytes,

Examples found in repository ?

examples/encryption.rs (line 58)

16fn main() {
17    // Ring degree
18    let log_n: usize = 10;
19
20    let n: Degree = Degree(1 << log_n);
21
22    // Base-2-k (implicit digit decomposition)
23    let base2k: Base2K = Base2K(14);
24
25    // Ciphertext Torus precision (equivalent to ciphertext modulus)
26    let k_ct: TorusPrecision = TorusPrecision(27);
27
28    // Plaintext Torus precision (equivament to plaintext modulus)
29    let k_pt: TorusPrecision = TorusPrecision(base2k.into());
30
31    // GLWE rank
32    let rank: Rank = Rank(1);
33
34    // Instantiate Module (DFT Tables)
35    let module: Module<FFT64Spqlios> = Module::<FFT64Spqlios>::new(n.0 as u64);
36
37    let glwe_ct_infos: GLWECiphertextLayout = GLWECiphertextLayout {
38        n,
39        base2k,
40        k: k_ct,
41        rank,
42    };
43
44    let glwe_pt_infos: GLWEPlaintextLayout = GLWEPlaintextLayout { n, base2k, k: k_pt };
45
46    // Allocates ciphertext & plaintexts
47    let mut ct: GLWECiphertext<Vec<u8>> = GLWECiphertext::alloc(&glwe_ct_infos);
48    let mut pt_want: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc(&glwe_pt_infos);
49    let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc(&glwe_pt_infos);
50
51    // CPRNG
52    let mut source_xs: Source = Source::new([0u8; 32]);
53    let mut source_xe: Source = Source::new([1u8; 32]);
54    let mut source_xa: Source = Source::new([2u8; 32]);
55
56    // Scratch space
57    let mut scratch: ScratchOwned<FFT64Spqlios> = ScratchOwned::alloc(
58        GLWECiphertext::encrypt_sk_scratch_space(&module, &glwe_ct_infos)
59            | GLWECiphertext::decrypt_scratch_space(&module, &glwe_ct_infos),
60    );
61
62    // Generate secret-key
63    let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc(&glwe_ct_infos);
64    sk.fill_ternary_prob(0.5, &mut source_xs);
65
66    // Backend-prepared secret
67    let sk_prepared: GLWESecretPrepared<Vec<u8>, FFT64Spqlios> = sk.prepare_alloc(&module, scratch.borrow());
68
69    // Uniform plaintext
70    module.vec_znx_fill_uniform(base2k.into(), &mut pt_want.data, 0, &mut source_xa);
71
72    // Encryption
73    ct.encrypt_sk(
74        &module,
75        &pt_want,
76        &sk_prepared,
77        &mut source_xa,
78        &mut source_xe,
79        scratch.borrow(),
80    );
81
82    // Decryption
83    ct.decrypt(&module, &mut pt_have, &sk_prepared, scratch.borrow());
84
85    // Diff between pt - Dec(Enc(pt))
86    pt_want.sub_inplace_ab(&module, &pt_have);
87
88    // Ideal vs. actual noise
89    let noise_have: f64 = pt_want.data.std(base2k.into(), 0) * (ct.k().as_u32() as f64).exp2();
90    let noise_want: f64 = SIGMA;
91
92    // Check
93    assert!(noise_have <= noise_want + 0.2);
94}

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pub fn encrypt_pk_scratch_space<B: Backend, A>( module: &Module, infos: &A, ) -> usize
where A: GLWEInfos, Module: VecZnxDftAllocBytes + SvpPPolAllocBytes + VecZnxBigAllocBytes + VecZnxNormalizeTmpBytes,

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impl<DataSelf: DataMut> GLWECiphertext<DataSelf>

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pub fn encrypt_sk<DataPt: DataRef, DataSk: DataRef, B: Backend>( &mut self, module: &Module, pt: &GLWEPlaintext<DataPt>, sk: &GLWESecretPrepared<DataSk, B>, source_xa: &mut Source, source_xe: &mut Source, scratch: &mut Scratch, )
where Module: VecZnxDftAllocBytes + VecZnxBigNormalize + VecZnxDftApply + SvpApplyDftToDftInplace + VecZnxIdftApplyConsume + VecZnxNormalizeTmpBytes + VecZnxFillUniform + VecZnxSubInplace + VecZnxAddInplace + VecZnxNormalizeInplace + VecZnxAddNormal + VecZnxNormalize + VecZnxSub, Scratch: TakeVecZnxDft + ScratchAvailable + TakeVecZnx,

Examples found in repository ?

examples/encryption.rs (lines 73-80)

16fn main() {
17    // Ring degree
18    let log_n: usize = 10;
19
20    let n: Degree = Degree(1 << log_n);
21
22    // Base-2-k (implicit digit decomposition)
23    let base2k: Base2K = Base2K(14);
24
25    // Ciphertext Torus precision (equivalent to ciphertext modulus)
26    let k_ct: TorusPrecision = TorusPrecision(27);
27
28    // Plaintext Torus precision (equivament to plaintext modulus)
29    let k_pt: TorusPrecision = TorusPrecision(base2k.into());
30
31    // GLWE rank
32    let rank: Rank = Rank(1);
33
34    // Instantiate Module (DFT Tables)
35    let module: Module<FFT64Spqlios> = Module::<FFT64Spqlios>::new(n.0 as u64);
36
37    let glwe_ct_infos: GLWECiphertextLayout = GLWECiphertextLayout {
38        n,
39        base2k,
40        k: k_ct,
41        rank,
42    };
43
44    let glwe_pt_infos: GLWEPlaintextLayout = GLWEPlaintextLayout { n, base2k, k: k_pt };
45
46    // Allocates ciphertext & plaintexts
47    let mut ct: GLWECiphertext<Vec<u8>> = GLWECiphertext::alloc(&glwe_ct_infos);
48    let mut pt_want: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc(&glwe_pt_infos);
49    let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc(&glwe_pt_infos);
50
51    // CPRNG
52    let mut source_xs: Source = Source::new([0u8; 32]);
53    let mut source_xe: Source = Source::new([1u8; 32]);
54    let mut source_xa: Source = Source::new([2u8; 32]);
55
56    // Scratch space
57    let mut scratch: ScratchOwned<FFT64Spqlios> = ScratchOwned::alloc(
58        GLWECiphertext::encrypt_sk_scratch_space(&module, &glwe_ct_infos)
59            | GLWECiphertext::decrypt_scratch_space(&module, &glwe_ct_infos),
60    );
61
62    // Generate secret-key
63    let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc(&glwe_ct_infos);
64    sk.fill_ternary_prob(0.5, &mut source_xs);
65
66    // Backend-prepared secret
67    let sk_prepared: GLWESecretPrepared<Vec<u8>, FFT64Spqlios> = sk.prepare_alloc(&module, scratch.borrow());
68
69    // Uniform plaintext
70    module.vec_znx_fill_uniform(base2k.into(), &mut pt_want.data, 0, &mut source_xa);
71
72    // Encryption
73    ct.encrypt_sk(
74        &module,
75        &pt_want,
76        &sk_prepared,
77        &mut source_xa,
78        &mut source_xe,
79        scratch.borrow(),
80    );
81
82    // Decryption
83    ct.decrypt(&module, &mut pt_have, &sk_prepared, scratch.borrow());
84
85    // Diff between pt - Dec(Enc(pt))
86    pt_want.sub_inplace_ab(&module, &pt_have);
87
88    // Ideal vs. actual noise
89    let noise_have: f64 = pt_want.data.std(base2k.into(), 0) * (ct.k().as_u32() as f64).exp2();
90    let noise_want: f64 = SIGMA;
91
92    // Check
93    assert!(noise_have <= noise_want + 0.2);
94}

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pub fn encrypt_zero_sk<DataSk: DataRef, B: Backend>( &mut self, module: &Module, sk: &GLWESecretPrepared<DataSk, B>, source_xa: &mut Source, source_xe: &mut Source, scratch: &mut Scratch, )
where Module: VecZnxDftAllocBytes + VecZnxBigNormalize + VecZnxDftApply + SvpApplyDftToDftInplace + VecZnxIdftApplyConsume + VecZnxNormalizeTmpBytes + VecZnxFillUniform + VecZnxSubInplace + VecZnxAddInplace + VecZnxNormalizeInplace + VecZnxAddNormal + VecZnxNormalize + VecZnxSub, Scratch: TakeVecZnxDft + ScratchAvailable + TakeVecZnx,

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pub fn encrypt_pk<DataPt: DataRef, DataPk: DataRef, B: Backend>( &mut self, module: &Module, pt: &GLWEPlaintext<DataPt>, pk: &GLWEPublicKeyPrepared<DataPk, B>, source_xu: &mut Source, source_xe: &mut Source, scratch: &mut Scratch, )
where Module: SvpPrepare + SvpApplyDftToDft + VecZnxIdftApplyConsume + VecZnxBigAddNormal + VecZnxBigAddSmallInplace + VecZnxBigNormalize, Scratch: TakeSvpPPol + TakeScalarZnx + TakeVecZnxDft,

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pub fn encrypt_zero_pk<DataPk: DataRef, B: Backend>( &mut self, module: &Module, pk: &GLWEPublicKeyPrepared<DataPk, B>, source_xu: &mut Source, source_xe: &mut Source, scratch: &mut Scratch, )
where Module: SvpPrepare + SvpApplyDftToDft + VecZnxIdftApplyConsume + VecZnxBigAddNormal + VecZnxBigAddSmallInplace + VecZnxBigNormalize, Scratch: TakeSvpPPol + TakeScalarZnx + TakeVecZnxDft,

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impl GLWECiphertext<Vec<u8>>

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pub fn external_product_scratch_space<B: Backend, OUT, IN, GGSW>( module: &Module, out_infos: &OUT, in_infos: &IN, apply_infos: &GGSW, ) -> usize
where OUT: GLWEInfos, IN: GLWEInfos, GGSW: GGSWInfos, Module: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxNormalizeTmpBytes,

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pub fn external_product_inplace_scratch_space<B: Backend, OUT, GGSW>( module: &Module, out_infos: &OUT, apply_infos: &GGSW, ) -> usize
where OUT: GLWEInfos, GGSW: GGSWInfos, Module: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxNormalizeTmpBytes,

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impl<DataSelf: DataMut> GLWECiphertext<DataSelf>

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pub fn external_product<DataLhs: DataRef, DataRhs: DataRef, B: Backend>( &mut self, module: &Module, lhs: &GLWECiphertext<DataLhs>, rhs: &GGSWCiphertextPrepared<DataRhs, B>, scratch: &mut Scratch, )
where Module: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxNormalizeTmpBytes + VecZnxDftApply + VmpApplyDftToDft + VmpApplyDftToDftAdd + VecZnxIdftApplyConsume + VecZnxBigNormalize + VecZnxNormalize, Scratch: TakeVecZnxDft + ScratchAvailable + TakeVecZnx,

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pub fn external_product_inplace<DataRhs: DataRef, B: Backend>( &mut self, module: &Module, rhs: &GGSWCiphertextPrepared<DataRhs, B>, scratch: &mut Scratch, )
where Module: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxNormalizeTmpBytes + VecZnxDftApply + VmpApplyDftToDft + VmpApplyDftToDftAdd + VecZnxIdftApplyConsume + VecZnxBigNormalize + VecZnxNormalize, Scratch: TakeVecZnxDft + ScratchAvailable + TakeVecZnx,

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impl GLWECiphertext<Vec<u8>>

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pub fn trace_galois_elements<B: Backend>(module: &Module) -> Vec<i64>

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pub fn trace_scratch_space<B: Backend, OUT, IN, KEY>( module: &Module, out_infos: &OUT, in_infos: &IN, key_infos: &KEY, ) -> usize
where OUT: GLWEInfos, IN: GLWEInfos, KEY: GGLWELayoutInfos, Module: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxBigNormalizeTmpBytes + VecZnxNormalizeTmpBytes,

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pub fn trace_inplace_scratch_space<B: Backend, OUT, KEY>( module: &Module, out_infos: &OUT, key_infos: &KEY, ) -> usize
where OUT: GLWEInfos, KEY: GGLWELayoutInfos, Module: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxBigNormalizeTmpBytes + VecZnxNormalizeTmpBytes,

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impl<DataSelf: DataMut> GLWECiphertext<DataSelf>

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pub fn trace<DataLhs: DataRef, DataAK: DataRef, B: Backend>( &mut self, module: &Module, start: usize, end: usize, lhs: &GLWECiphertext<DataLhs>, auto_keys: &HashMap<i64, GGLWEAutomorphismKeyPrepared<DataAK, B>>, scratch: &mut Scratch, )
where Module: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxBigNormalizeTmpBytes + VmpApplyDftToDft + VmpApplyDftToDftAdd + VecZnxDftApply + VecZnxIdftApplyConsume + VecZnxBigAddSmallInplace + VecZnxBigNormalize + VecZnxBigAutomorphismInplace + VecZnxRshInplace + VecZnxCopy + VecZnxNormalizeTmpBytes + VecZnxNormalize, Scratch: TakeVecZnxDft + ScratchAvailable + TakeVecZnx,

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pub fn trace_inplace<DataAK: DataRef, B: Backend>( &mut self, module: &Module, start: usize, end: usize, auto_keys: &HashMap<i64, GGLWEAutomorphismKeyPrepared<DataAK, B>>, scratch: &mut Scratch, )
where Module: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxBigNormalizeTmpBytes + VmpApplyDftToDft + VmpApplyDftToDftAdd + VecZnxDftApply + VecZnxIdftApplyConsume + VecZnxBigAddSmallInplace + VecZnxBigNormalize + VecZnxBigAutomorphismInplace + VecZnxRshInplace + VecZnxNormalizeTmpBytes + VecZnxNormalize, Scratch: TakeVecZnxDft + ScratchAvailable + TakeVecZnx,

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impl GLWECiphertext<Vec<u8>>

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pub fn keyswitch_scratch_space<B: Backend, OUT, IN, KEY>( module: &Module, out_infos: &OUT, in_infos: &IN, key_apply: &KEY, ) -> usize
where OUT: GLWEInfos, IN: GLWEInfos, KEY: GGLWELayoutInfos, Module: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxBigNormalizeTmpBytes + VecZnxNormalizeTmpBytes,

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pub fn keyswitch_inplace_scratch_space<B: Backend, OUT, KEY>( module: &Module, out_infos: &OUT, key_apply: &KEY, ) -> usize
where OUT: GLWEInfos, KEY: GGLWELayoutInfos, Module: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxBigNormalizeTmpBytes + VecZnxNormalizeTmpBytes,

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impl<DataSelf: DataMut> GLWECiphertext<DataSelf>

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pub fn keyswitch<DataLhs: DataRef, DataRhs: DataRef, B: Backend>( &mut self, module: &Module, glwe_in: &GLWECiphertext<DataLhs>, rhs: &GGLWESwitchingKeyPrepared<DataRhs, B>, scratch: &mut Scratch, )
where Module: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxBigNormalizeTmpBytes + VmpApplyDftToDft + VmpApplyDftToDftAdd + VecZnxDftApply + VecZnxIdftApplyConsume + VecZnxBigAddSmallInplace + VecZnxBigNormalize + VecZnxNormalize + VecZnxNormalizeTmpBytes, Scratch: ScratchAvailable + TakeVecZnxDft + TakeVecZnx,

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pub fn keyswitch_inplace<DataRhs: DataRef, B: Backend>( &mut self, module: &Module, rhs: &GGLWESwitchingKeyPrepared<DataRhs, B>, scratch: &mut Scratch, )
where Module: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxBigNormalizeTmpBytes + VmpApplyDftToDft + VmpApplyDftToDftAdd + VecZnxDftApply + VecZnxIdftApplyConsume + VecZnxBigAddSmallInplace + VecZnxBigNormalize + VecZnxNormalize + VecZnxNormalizeTmpBytes, Scratch: ScratchAvailable + TakeVecZnxDft + TakeVecZnx,

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impl<D: DataRef> GLWECiphertext<D>

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pub fn assert_noise<B, DataSk, DataPt>( &self, module: &Module, sk_prepared: &GLWESecretPrepared<DataSk, B>, pt_want: &GLWEPlaintext<DataPt>, max_noise: f64, )
where DataSk: DataRef, DataPt: DataRef, Module: VecZnxDftAllocBytes + VecZnxBigAllocBytes + VecZnxDftApply + SvpApplyDftToDftInplace + VecZnxIdftApplyConsume + VecZnxBigAddInplace + VecZnxBigAddSmallInplace + VecZnxBigNormalize + VecZnxNormalizeTmpBytes + VecZnxSubInplace + VecZnxNormalizeInplace, B: Backend + TakeVecZnxDftImpl + TakeVecZnxBigImpl + ScratchOwnedAllocImpl + ScratchOwnedBorrowImpl,

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pub fn alloc<A>(infos: &A) -> Self
where A: GLWEInfos,

Examples found in repository ?

examples/encryption.rs (line 47)

16fn main() {
17    // Ring degree
18    let log_n: usize = 10;
19
20    let n: Degree = Degree(1 << log_n);
21
22    // Base-2-k (implicit digit decomposition)
23    let base2k: Base2K = Base2K(14);
24
25    // Ciphertext Torus precision (equivalent to ciphertext modulus)
26    let k_ct: TorusPrecision = TorusPrecision(27);
27
28    // Plaintext Torus precision (equivament to plaintext modulus)
29    let k_pt: TorusPrecision = TorusPrecision(base2k.into());
30
31    // GLWE rank
32    let rank: Rank = Rank(1);
33
34    // Instantiate Module (DFT Tables)
35    let module: Module<FFT64Spqlios> = Module::<FFT64Spqlios>::new(n.0 as u64);
36
37    let glwe_ct_infos: GLWECiphertextLayout = GLWECiphertextLayout {
38        n,
39        base2k,
40        k: k_ct,
41        rank,
42    };
43
44    let glwe_pt_infos: GLWEPlaintextLayout = GLWEPlaintextLayout { n, base2k, k: k_pt };
45
46    // Allocates ciphertext & plaintexts
47    let mut ct: GLWECiphertext<Vec<u8>> = GLWECiphertext::alloc(&glwe_ct_infos);
48    let mut pt_want: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc(&glwe_pt_infos);
49    let mut pt_have: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc(&glwe_pt_infos);
50
51    // CPRNG
52    let mut source_xs: Source = Source::new([0u8; 32]);
53    let mut source_xe: Source = Source::new([1u8; 32]);
54    let mut source_xa: Source = Source::new([2u8; 32]);
55
56    // Scratch space
57    let mut scratch: ScratchOwned<FFT64Spqlios> = ScratchOwned::alloc(
58        GLWECiphertext::encrypt_sk_scratch_space(&module, &glwe_ct_infos)
59            | GLWECiphertext::decrypt_scratch_space(&module, &glwe_ct_infos),
60    );
61
62    // Generate secret-key
63    let mut sk: GLWESecret<Vec<u8>> = GLWESecret::alloc(&glwe_ct_infos);
64    sk.fill_ternary_prob(0.5, &mut source_xs);
65
66    // Backend-prepared secret
67    let sk_prepared: GLWESecretPrepared<Vec<u8>, FFT64Spqlios> = sk.prepare_alloc(&module, scratch.borrow());
68
69    // Uniform plaintext
70    module.vec_znx_fill_uniform(base2k.into(), &mut pt_want.data, 0, &mut source_xa);
71
72    // Encryption
73    ct.encrypt_sk(
74        &module,
75        &pt_want,
76        &sk_prepared,
77        &mut source_xa,
78        &mut source_xe,
79        scratch.borrow(),
80    );
81
82    // Decryption
83    ct.decrypt(&module, &mut pt_have, &sk_prepared, scratch.borrow());
84
85    // Diff between pt - Dec(Enc(pt))
86    pt_want.sub_inplace_ab(&module, &pt_have);
87
88    // Ideal vs. actual noise
89    let noise_have: f64 = pt_want.data.std(base2k.into(), 0) * (ct.k().as_u32() as f64).exp2();
90    let noise_want: f64 = SIGMA;
91
92    // Check
93    assert!(noise_have <= noise_want + 0.2);
94}

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pub fn alloc_with( n: Degree, base2k: Base2K, k: TorusPrecision, rank: Rank, ) -> Self

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pub fn alloc_bytes<A>(infos: &A) -> usize
where A: GLWEInfos,

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pub fn alloc_bytes_with( n: Degree, base2k: Base2K, k: TorusPrecision, rank: Rank, ) -> usize

Trait Implementations§

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impl<D: Clone + Data> Clone for GLWECiphertext<D>

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fn clone(&self) -> GLWECiphertext<D>

Returns a duplicate of the value. Read more

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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl<D: DataRef> Debug for GLWECiphertext<D>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl<D: DataMut, B: Backend, DR: DataRef> Decompress<B, GLWECiphertextCompressed<DR>> for GLWECiphertext<D>
where Module: VecZnxFillUniform + VecZnxCopy,

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fn decompress( &mut self, module: &Module, other: &GLWECiphertextCompressed<DR>, )

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impl<D: DataRef> Display for GLWECiphertext<D>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl<D: DataMut> FillUniform for GLWECiphertext<D>

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fn fill_uniform(&mut self, log_bound: usize, source: &mut Source)

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impl<D: DataMut> GLWECiphertextToMut for GLWECiphertext<D>

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fn to_mut(&mut self) -> GLWECiphertext<&mut [u8]>

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impl<D: DataRef> GLWECiphertextToRef for GLWECiphertext<D>

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fn to_ref(&self) -> GLWECiphertext<&[u8]>

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impl<D: Data> GLWEInfos for GLWECiphertext<D>

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fn rank(&self) -> Rank

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fn glwe_layout(&self) -> GLWECiphertextLayout

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impl<D: DataMut> GLWELayoutSet for GLWECiphertext<D>

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fn set_basek(&mut self, base2k: Base2K)

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fn set_k(&mut self, k: TorusPrecision)

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impl<D: DataMut> GLWEOperations for GLWECiphertext<D>
where GLWECiphertext<D>: GLWECiphertextToMut + GLWEInfos,

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fn add<A, B, BACKEND: Backend>( &mut self, module: &Module<BACKEND>, a: &A, b: &B, )
where A: GLWECiphertextToRef + GLWEInfos, B: GLWECiphertextToRef + GLWEInfos, Module<BACKEND>: VecZnxAdd + VecZnxCopy,

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fn add_inplace<A, BACKEND: Backend>(&mut self, module: &Module<BACKEND>, a: &A)
where A: GLWECiphertextToRef + GLWEInfos, Module<BACKEND>: VecZnxAddInplace,

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fn sub<A, B, BACKEND: Backend>( &mut self, module: &Module<BACKEND>, a: &A, b: &B, )
where A: GLWECiphertextToRef + GLWEInfos, B: GLWECiphertextToRef + GLWEInfos, Module<BACKEND>: VecZnxSub + VecZnxCopy + VecZnxNegateInplace,

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fn sub_inplace_ab<A, BACKEND: Backend>( &mut self, module: &Module<BACKEND>, a: &A, )
where A: GLWECiphertextToRef + GLWEInfos, Module<BACKEND>: VecZnxSubInplace,

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fn sub_inplace_ba<A, BACKEND: Backend>( &mut self, module: &Module<BACKEND>, a: &A, )
where A: GLWECiphertextToRef + GLWEInfos, Module<BACKEND>: VecZnxSubNegateInplace,

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fn rotate<A, B: Backend>(&mut self, module: &Module, k: i64, a: &A)
where A: GLWECiphertextToRef + GLWEInfos, Module: VecZnxRotate,

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fn rotate_inplace<B: Backend>( &mut self, module: &Module, k: i64, scratch: &mut Scratch, )
where Module: VecZnxRotateInplace,

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fn mul_xp_minus_one<A, B: Backend>(&mut self, module: &Module, k: i64, a: &A)
where A: GLWECiphertextToRef + GLWEInfos, Module: VecZnxMulXpMinusOne,

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fn mul_xp_minus_one_inplace<B: Backend>( &mut self, module: &Module, k: i64, scratch: &mut Scratch, )
where Module: VecZnxMulXpMinusOneInplace,

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fn copy<A, B: Backend>(&mut self, module: &Module, a: &A)
where A: GLWECiphertextToRef + GLWEInfos, Module: VecZnxCopy,

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fn rsh<B: Backend>( &mut self, module: &Module, k: usize, scratch: &mut Scratch, )
where Module: VecZnxRshInplace,

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fn normalize<A, B: Backend>( &mut self, module: &Module, a: &A, scratch: &mut Scratch, )
where A: GLWECiphertextToRef + GLWEInfos, Module: VecZnxNormalize,

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fn normalize_inplace<B: Backend>( &mut self, module: &Module, scratch: &mut Scratch, )
where Module: VecZnxNormalizeInplace,

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impl<D: Data> LWEInfos for GLWECiphertext<D>

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fn base2k(&self) -> Base2K

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fn k(&self) -> TorusPrecision

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fn n(&self) -> Degree

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fn size(&self) -> usize

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fn max_k(&self) -> TorusPrecision

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fn lwe_layout(&self) -> LWECiphertextLayout

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impl<D: PartialEq + Data> PartialEq for GLWECiphertext<D>

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fn eq(&self, other: &GLWECiphertext<D>) -> bool

Tests for self and other values to be equal, and is used by ==.

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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

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impl<D: DataMut> ReaderFrom for GLWECiphertext<D>

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fn read_from<R: Read>(&mut self, reader: &mut R) -> Result<()>

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impl<D: DataRef> ToOwnedDeep for GLWECiphertext<D>

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type Owned = GLWECiphertext<Vec<u8>>

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fn to_owned_deep(&self) -> Self::Owned

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impl<D: DataRef> WriterTo for GLWECiphertext<D>

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fn write_to<W: Write>(&self, writer: &mut W) -> Result<()>

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impl<D: Eq + Data> Eq for GLWECiphertext<D>

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impl<D: Data> StructuralPartialEq for GLWECiphertext<D>

Auto Trait Implementations§

§

impl<D> Freeze for GLWECiphertext<D>
where D: Freeze,

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impl<D> RefUnwindSafe for GLWECiphertext<D>
where D: RefUnwindSafe,

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impl<D> Send for GLWECiphertext<D>
where D: Send,

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impl<D> Sync for GLWECiphertext<D>
where D: Sync,

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impl<D> Unpin for GLWECiphertext<D>
where D: Unpin,

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impl<D> UnwindSafe for GLWECiphertext<D>
where D: UnwindSafe,

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Az for T

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fn az<Dst>(self) -> Dst
where T: Cast<Dst>,

Casts the value.

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<Src, Dst> CastFrom<Src> for Dst
where Src: Cast<Dst>,

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fn cast_from(src: Src) -> Dst

Casts the value.

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impl<T> CheckedAs for T

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fn checked_as<Dst>(self) -> Option<Dst>
where T: CheckedCast<Dst>,

Casts the value.

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impl<Src, Dst> CheckedCastFrom<Src> for Dst
where Src: CheckedCast<Dst>,

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fn checked_cast_from(src: Src) -> Option<Dst>

Casts the value.

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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impl<T> OverflowingAs for T

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fn overflowing_as<Dst>(self) -> (Dst, bool)
where T: OverflowingCast<Dst>,

Casts the value.

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impl<Src, Dst> OverflowingCastFrom<Src> for Dst
where Src: OverflowingCast<Dst>,

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fn overflowing_cast_from(src: Src) -> (Dst, bool)

Casts the value.

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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.

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type Init = T

The type for initializers.

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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

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impl<T> SaturatingAs for T

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fn saturating_as<Dst>(self) -> Dst
where T: SaturatingCast<Dst>,

Casts the value.

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impl<Src, Dst> SaturatingCastFrom<Src> for Dst
where Src: SaturatingCast<Dst>,

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fn saturating_cast_from(src: Src) -> Dst

Casts the value.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. Read more

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impl<T, U> TryFrom for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.

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fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T
where U: TryFrom<T>,

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type Error = >::Error

The type returned in the event of a conversion error.

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fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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impl<T> UnwrappedAs for T

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fn unwrapped_as<Dst>(self) -> Dst
where T: UnwrappedCast<Dst>,

Casts the value.

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impl<Src, Dst> UnwrappedCastFrom<Src> for Dst
where Src: UnwrappedCast<Dst>,

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fn unwrapped_cast_from(src: Src) -> Dst

Casts the value.

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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WrappingAs for T

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fn wrapping_as<Dst>(self) -> Dst
where T: WrappingCast<Dst>,

Casts the value.

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impl<Src, Dst> WrappingCastFrom<Src> for Dst
where Src: WrappingCast<Dst>,

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fn wrapping_cast_from(src: Src) -> Dst

Casts the value.

Struct GLWECiphertext Copy item path

Implementations§

impl GLWECiphertext<Vec<u8>>

pub fn automorphism_inplace_scratch_space<B: Backend, OUT, KEY>( module: &Module<B>, out_infos: &OUT, key_infos: &KEY, ) -> usizewhere OUT: GLWEInfos, KEY: GGLWELayoutInfos, Module<B>: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxBigNormalizeTmpBytes + VecZnxNormalizeTmpBytes,

impl<DataSelf: DataMut> GLWECiphertext<DataSelf>

impl GLWECiphertext<Vec<u8>>

impl<D: DataMut> GLWECiphertext<D>

impl GLWECiphertext<Vec<u8>>

pub fn decrypt_scratch_space<B: Backend, A>( module: &Module<B>, infos: &A, ) -> usizewhere A: GLWEInfos, Module<B>: VecZnxDftAllocBytes + VecZnxNormalizeTmpBytes,

impl<DataSelf: DataRef> GLWECiphertext<DataSelf>

impl GLWECiphertext<Vec<u8>>

pub fn encrypt_sk_scratch_space<B: Backend, A>( module: &Module<B>, infos: &A, ) -> usizewhere A: GLWEInfos, Module<B>: VecZnxNormalizeTmpBytes + VecZnxDftAllocBytes,

pub fn encrypt_pk_scratch_space<B: Backend, A>( module: &Module<B>, infos: &A, ) -> usizewhere A: GLWEInfos, Module<B>: VecZnxDftAllocBytes + SvpPPolAllocBytes + VecZnxBigAllocBytes + VecZnxNormalizeTmpBytes,

impl<DataSelf: DataMut> GLWECiphertext<DataSelf>

impl GLWECiphertext<Vec<u8>>

pub fn external_product_scratch_space<B: Backend, OUT, IN, GGSW>( module: &Module<B>, out_infos: &OUT, in_infos: &IN, apply_infos: &GGSW, ) -> usizewhere OUT: GLWEInfos, IN: GLWEInfos, GGSW: GGSWInfos, Module<B>: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxNormalizeTmpBytes,

pub fn external_product_inplace_scratch_space<B: Backend, OUT, GGSW>( module: &Module<B>, out_infos: &OUT, apply_infos: &GGSW, ) -> usizewhere OUT: GLWEInfos, GGSW: GGSWInfos, Module<B>: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxNormalizeTmpBytes,

impl<DataSelf: DataMut> GLWECiphertext<DataSelf>

impl GLWECiphertext<Vec<u8>>

pub fn trace_galois_elements<B: Backend>(module: &Module<B>) -> Vec<i64>

pub fn trace_inplace_scratch_space<B: Backend, OUT, KEY>( module: &Module<B>, out_infos: &OUT, key_infos: &KEY, ) -> usizewhere OUT: GLWEInfos, KEY: GGLWELayoutInfos, Module<B>: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxBigNormalizeTmpBytes + VecZnxNormalizeTmpBytes,

impl<DataSelf: DataMut> GLWECiphertext<DataSelf>

impl GLWECiphertext<Vec<u8>>

pub fn keyswitch_inplace_scratch_space<B: Backend, OUT, KEY>( module: &Module<B>, out_infos: &OUT, key_apply: &KEY, ) -> usizewhere OUT: GLWEInfos, KEY: GGLWELayoutInfos, Module<B>: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxBigNormalizeTmpBytes + VecZnxNormalizeTmpBytes,

impl<DataSelf: DataMut> GLWECiphertext<DataSelf>

impl<D: DataRef> GLWECiphertext<D>

impl GLWECiphertext<Vec<u8>>

pub fn rsh_scratch_space(n: usize) -> usize

impl<D: DataRef> GLWECiphertext<D>

pub fn data(&self) -> &VecZnx<D>

impl<D: DataMut> GLWECiphertext<D>

pub fn data_mut(&mut self) -> &mut VecZnx<D>

impl<D: Data> GLWECiphertext<D>

pub fn builder() -> GLWECiphertextBuilder<D>

impl GLWECiphertext<Vec<u8>>

pub fn alloc<A>(infos: &A) -> Selfwhere A: GLWEInfos,

pub fn alloc_with( n: Degree, base2k: Base2K, k: TorusPrecision, rank: Rank, ) -> Self

pub fn alloc_bytes<A>(infos: &A) -> usizewhere A: GLWEInfos,

pub fn alloc_bytes_with( n: Degree, base2k: Base2K, k: TorusPrecision, rank: Rank, ) -> usize

Trait Implementations§

impl<D: Clone + Data> Clone for GLWECiphertext<D>

fn clone(&self) -> GLWECiphertext<D>

fn clone_from(&mut self, source: &Self)

impl<D: DataRef> Debug for GLWECiphertext<D>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl<D: DataMut, B: Backend, DR: DataRef> Decompress<B, GLWECiphertextCompressed<DR>> for GLWECiphertext<D>where Module<B>: VecZnxFillUniform + VecZnxCopy,

fn decompress( &mut self, module: &Module<B>, other: &GLWECiphertextCompressed<DR>, )

impl<D: DataRef> Display for GLWECiphertext<D>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl<D: DataMut> FillUniform for GLWECiphertext<D>

fn fill_uniform(&mut self, log_bound: usize, source: &mut Source)

impl<D: DataMut> GLWECiphertextToMut for GLWECiphertext<D>

fn to_mut(&mut self) -> GLWECiphertext<&mut [u8]>

impl<D: DataRef> GLWECiphertextToRef for GLWECiphertext<D>

fn to_ref(&self) -> GLWECiphertext<&[u8]>

impl<D: Data> GLWEInfos for GLWECiphertext<D>

fn rank(&self) -> Rank

fn glwe_layout(&self) -> GLWECiphertextLayout

impl<D: DataMut> GLWELayoutSet for GLWECiphertext<D>

fn set_basek(&mut self, base2k: Base2K)

fn set_k(&mut self, k: TorusPrecision)

impl<D: DataMut> GLWEOperations for GLWECiphertext<D>where GLWECiphertext<D>: GLWECiphertextToMut + GLWEInfos,

fn add<A, B, BACKEND: Backend>( &mut self, module: &Module<BACKEND>, a: &A, b: &B, )where A: GLWECiphertextToRef + GLWEInfos, B: GLWECiphertextToRef + GLWEInfos, Module<BACKEND>: VecZnxAdd + VecZnxCopy,

fn add_inplace<A, BACKEND: Backend>(&mut self, module: &Module<BACKEND>, a: &A)where A: GLWECiphertextToRef + GLWEInfos, Module<BACKEND>: VecZnxAddInplace,

fn sub<A, B, BACKEND: Backend>( &mut self, module: &Module<BACKEND>, a: &A, b: &B, )where A: GLWECiphertextToRef + GLWEInfos, B: GLWECiphertextToRef + GLWEInfos, Module<BACKEND>: VecZnxSub + VecZnxCopy + VecZnxNegateInplace,

fn sub_inplace_ab<A, BACKEND: Backend>( &mut self, module: &Module<BACKEND>, a: &A, )where A: GLWECiphertextToRef + GLWEInfos, Module<BACKEND>: VecZnxSubInplace,

fn sub_inplace_ba<A, BACKEND: Backend>( &mut self, module: &Module<BACKEND>, a: &A, )where A: GLWECiphertextToRef + GLWEInfos, Module<BACKEND>: VecZnxSubNegateInplace,

fn rotate<A, B: Backend>(&mut self, module: &Module<B>, k: i64, a: &A)where A: GLWECiphertextToRef + GLWEInfos, Module<B>: VecZnxRotate,

fn rotate_inplace<B: Backend>( &mut self, module: &Module<B>, k: i64, scratch: &mut Scratch<B>, )where Module<B>: VecZnxRotateInplace<B>,

fn mul_xp_minus_one<A, B: Backend>(&mut self, module: &Module<B>, k: i64, a: &A)where A: GLWECiphertextToRef + GLWEInfos, Module<B>: VecZnxMulXpMinusOne,

fn mul_xp_minus_one_inplace<B: Backend>( &mut self, module: &Module<B>, k: i64, scratch: &mut Scratch<B>, )where Module<B>: VecZnxMulXpMinusOneInplace<B>,

fn copy<A, B: Backend>(&mut self, module: &Module<B>, a: &A)where A: GLWECiphertextToRef + GLWEInfos, Module<B>: VecZnxCopy,

fn rsh<B: Backend>( &mut self, module: &Module<B>, k: usize, scratch: &mut Scratch<B>, )where Module<B>: VecZnxRshInplace<B>,

fn normalize<A, B: Backend>( &mut self, module: &Module<B>, a: &A, scratch: &mut Scratch<B>, )where A: GLWECiphertextToRef + GLWEInfos, Module<B>: VecZnxNormalize<B>,

fn normalize_inplace<B: Backend>( &mut self, module: &Module<B>, scratch: &mut Scratch<B>, )where Module<B>: VecZnxNormalizeInplace<B>,

impl<D: Data> LWEInfos for GLWECiphertext<D>

fn base2k(&self) -> Base2K

fn k(&self) -> TorusPrecision

fn n(&self) -> Degree

fn size(&self) -> usize

Struct GLWECiphertext

pub fn automorphism_inplace_scratch_space<B: Backend, OUT, KEY>( module: &Module<B>, out_infos: &OUT, key_infos: &KEY, ) -> usize
where OUT: GLWEInfos, KEY: GGLWELayoutInfos, Module<B>: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxBigNormalizeTmpBytes + VecZnxNormalizeTmpBytes,

pub fn decrypt_scratch_space<B: Backend, A>( module: &Module<B>, infos: &A, ) -> usize
where A: GLWEInfos, Module<B>: VecZnxDftAllocBytes + VecZnxNormalizeTmpBytes,

pub fn encrypt_sk_scratch_space<B: Backend, A>( module: &Module<B>, infos: &A, ) -> usize
where A: GLWEInfos, Module<B>: VecZnxNormalizeTmpBytes + VecZnxDftAllocBytes,

pub fn encrypt_pk_scratch_space<B: Backend, A>( module: &Module<B>, infos: &A, ) -> usize
where A: GLWEInfos, Module<B>: VecZnxDftAllocBytes + SvpPPolAllocBytes + VecZnxBigAllocBytes + VecZnxNormalizeTmpBytes,

pub fn external_product_scratch_space<B: Backend, OUT, IN, GGSW>( module: &Module<B>, out_infos: &OUT, in_infos: &IN, apply_infos: &GGSW, ) -> usize
where OUT: GLWEInfos, IN: GLWEInfos, GGSW: GGSWInfos, Module<B>: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxNormalizeTmpBytes,

pub fn external_product_inplace_scratch_space<B: Backend, OUT, GGSW>( module: &Module<B>, out_infos: &OUT, apply_infos: &GGSW, ) -> usize
where OUT: GLWEInfos, GGSW: GGSWInfos, Module<B>: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxNormalizeTmpBytes,

pub fn trace_inplace_scratch_space<B: Backend, OUT, KEY>( module: &Module<B>, out_infos: &OUT, key_infos: &KEY, ) -> usize
where OUT: GLWEInfos, KEY: GGLWELayoutInfos, Module<B>: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxBigNormalizeTmpBytes + VecZnxNormalizeTmpBytes,

pub fn keyswitch_inplace_scratch_space<B: Backend, OUT, KEY>( module: &Module<B>, out_infos: &OUT, key_apply: &KEY, ) -> usize
where OUT: GLWEInfos, KEY: GGLWELayoutInfos, Module<B>: VecZnxDftAllocBytes + VmpApplyDftToDftTmpBytes + VecZnxBigNormalizeTmpBytes + VecZnxNormalizeTmpBytes,

pub fn alloc<A>(infos: &A) -> Self
where A: GLWEInfos,

pub fn alloc_bytes<A>(infos: &A) -> usize
where A: GLWEInfos,

impl<D: DataMut, B: Backend, DR: DataRef> Decompress<B, GLWECiphertextCompressed<DR>> for GLWECiphertext<D>
where Module<B>: VecZnxFillUniform + VecZnxCopy,

impl<D: DataMut> GLWEOperations for GLWECiphertext<D>
where GLWECiphertext<D>: GLWECiphertextToMut + GLWEInfos,

fn add<A, B, BACKEND: Backend>( &mut self, module: &Module<BACKEND>, a: &A, b: &B, )
where A: GLWECiphertextToRef + GLWEInfos, B: GLWECiphertextToRef + GLWEInfos, Module<BACKEND>: VecZnxAdd + VecZnxCopy,

fn add_inplace<A, BACKEND: Backend>(&mut self, module: &Module<BACKEND>, a: &A)
where A: GLWECiphertextToRef + GLWEInfos, Module<BACKEND>: VecZnxAddInplace,

fn sub<A, B, BACKEND: Backend>( &mut self, module: &Module<BACKEND>, a: &A, b: &B, )
where A: GLWECiphertextToRef + GLWEInfos, B: GLWECiphertextToRef + GLWEInfos, Module<BACKEND>: VecZnxSub + VecZnxCopy + VecZnxNegateInplace,

fn sub_inplace_ab<A, BACKEND: Backend>( &mut self, module: &Module<BACKEND>, a: &A, )
where A: GLWECiphertextToRef + GLWEInfos, Module<BACKEND>: VecZnxSubInplace,

fn sub_inplace_ba<A, BACKEND: Backend>( &mut self, module: &Module<BACKEND>, a: &A, )
where A: GLWECiphertextToRef + GLWEInfos, Module<BACKEND>: VecZnxSubNegateInplace,

fn rotate<A, B: Backend>(&mut self, module: &Module<B>, k: i64, a: &A)
where A: GLWECiphertextToRef + GLWEInfos, Module<B>: VecZnxRotate,

fn rotate_inplace<B: Backend>( &mut self, module: &Module<B>, k: i64, scratch: &mut Scratch<B>, )
where Module<B>: VecZnxRotateInplace<B>,

fn mul_xp_minus_one<A, B: Backend>(&mut self, module: &Module<B>, k: i64, a: &A)
where A: GLWECiphertextToRef + GLWEInfos, Module<B>: VecZnxMulXpMinusOne,

fn mul_xp_minus_one_inplace<B: Backend>( &mut self, module: &Module<B>, k: i64, scratch: &mut Scratch<B>, )
where Module<B>: VecZnxMulXpMinusOneInplace<B>,

fn copy<A, B: Backend>(&mut self, module: &Module<B>, a: &A)
where A: GLWECiphertextToRef + GLWEInfos, Module<B>: VecZnxCopy,

fn rsh<B: Backend>( &mut self, module: &Module<B>, k: usize, scratch: &mut Scratch<B>, )
where Module<B>: VecZnxRshInplace<B>,

fn normalize<A, B: Backend>( &mut self, module: &Module<B>, a: &A, scratch: &mut Scratch<B>, )
where A: GLWECiphertextToRef + GLWEInfos, Module<B>: VecZnxNormalize<B>,

fn normalize_inplace<B: Backend>( &mut self, module: &Module<B>, scratch: &mut Scratch<B>, )
where Module<B>: VecZnxNormalizeInplace<B>,

impl<D> Freeze for GLWECiphertext<D>
where D: Freeze,

impl<D> RefUnwindSafe for GLWECiphertext<D>
where D: RefUnwindSafe,

impl<D> Send for GLWECiphertext<D>
where D: Send,

impl<D> Sync for GLWECiphertext<D>
where D: Sync,

impl<D> Unpin for GLWECiphertext<D>
where D: Unpin,

impl<D> UnwindSafe for GLWECiphertext<D>
where D: UnwindSafe,

impl<T> Any for T
where T: 'static + ?Sized,

fn az<Dst>(self) -> Dst
where T: Cast<Dst>,

impl<T> Borrow<T> for T
where T: ?Sized,

impl<T> BorrowMut<T> for T
where T: ?Sized,

impl<Src, Dst> CastFrom<Src> for Dst
where Src: Cast<Dst>,