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sage.crypto: Update # needs, modularization fixes #36106

Merged
merged 15 commits into from
Aug 27, 2023
Merged

sage.crypto: Update # needs, modularization fixes #36106

merged 15 commits into from
Aug 27, 2023

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mkoeppe
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@mkoeppe mkoeppe commented Aug 19, 2023

📝 Checklist

  • The title is concise, informative, and self-explanatory.
  • The description explains in detail what this PR is about.
  • I have linked a relevant issue or discussion.
  • I have created tests covering the changes.
  • I have updated the documentation accordingly.

⌛ Dependencies

@mkoeppe mkoeppe self-assigned this Aug 19, 2023
dcoudert
dcoudert suggested changes Aug 21, 2023
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src/sage/crypto/classical_cipher.py Outdated
@@ -165,25 +170,23 @@ def __init__(self, parent, key):
EXAMPLES::

sage: S = AlphabeticStrings()
sage: E = HillCryptosystem(S,3)
sage: E
sage: E = HillCryptosystem(S,3); E # needs sage.modules
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block scope

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Thanks, done in 826f72d

src/sage/crypto/lattice.py
- ``'cyclotomic'`` -- Special case of ideal. Allows for
efficient processing proposed by [LM2006]_.

- ``n`` -- Determinant size, primal: `det(L) = q^n`, dual: `det(L) = q^{m-n}`.
For ideal lattices this is also the degree of the quotient polynomial.
- ``m`` -- Lattice dimension, `L \subseteq Z^m`.
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you inserted empty lines lines 39 and 50 to separate items but not here. Shouldn't it be the same for all items of the list ?

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OK, done in 2f0f2f6

src/sage/crypto/block_cipher/des.py
@@ -511,7 +512,7 @@ def encrypt(self, plaintext, key):
sage: des.encrypt(P, K56) == C
True
"""
if isinstance(plaintext, (list, tuple, Vector_mod2_dense)):
if isinstance(plaintext, (list, tuple, Vector)):
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are we sure that this change is safe for users ? I'm not sure it's currently tested...

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Yes, this just distinguishes scalar input from list/vector input. In fact, when neither of the two conditions holds, inputType remains uninitialized, leading to an error in the last line of the function

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could you fix the following warnings:

sage -t --long --warn-long 33.3 --random-seed=250269248297457194959005008327880188134 src/sage/crypto/public_key/blum_goldwasser.py
**********************************************************************
File "src/sage/crypto/public_key/blum_goldwasser.py", line 133, in sage.crypto.public_key.blum_goldwasser.BlumGoldwasser
Warning: Variable 'q' referenced here was set only in doctest marked '# needs sage.combinat sage.symbolic'
    gcd(p, q) == a*p + b*q == 1
**********************************************************************
File "src/sage/crypto/public_key/blum_goldwasser.py", line 133, in sage.crypto.public_key.blum_goldwasser.BlumGoldwasser
Warning: Variable 'p' referenced here was set only in doctest marked '# needs sage.combinat sage.symbolic'
    gcd(p, q) == a*p + b*q == 1
**********************************************************************
File "src/sage/crypto/public_key/blum_goldwasser.py", line 133, in sage.crypto.public_key.blum_goldwasser.BlumGoldwasser
Warning: Variable 'a' referenced here was set only in doctest marked '# needs sage.combinat sage.symbolic'
    gcd(p, q) == a*p + b*q == 1
    [125 tests, 0.07 s]
sage -t --long --warn-long 33.3 --random-seed=250269248297457194959005008327880188134 src/sage/crypto/mq/sr.py
**********************************************************************
File "src/sage/crypto/mq/sr.py", line 2073, in sage.crypto.mq.sr.SR_generic.polynomial_system
Warning: Variable 's' referenced here was set only in doctest marked '# needs sage.modules sage.rings.finite_rings sage.rings.polynomial.pbori'
    F.subs(s).groebner_basis() # long time
**********************************************************************
File "src/sage/crypto/mq/sr.py", line 2073, in sage.crypto.mq.sr.SR_generic.polynomial_system
Warning: Variable 'F' referenced here was set only in doctest marked '# needs sage.modules sage.rings.finite_rings sage.rings.polynomial.pbori'
    F.subs(s).groebner_basis() # long time
    [368 tests, 10.43 s]

We have also several compilation warnings that should be fixed in the future

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mkoeppe commented Aug 21, 2023

done in 37a6b46

dcoudert
dcoudert approved these changes Aug 21, 2023
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LGTM.

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mkoeppe commented Aug 21, 2023

Thank you!

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Documentation preview for this PR (built with commit 37a6b46; changes) is ready! 🎉

@vbraun vbraun merged commit 300fd19 into sagemath:develop Aug 27, 2023
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@mkoeppe mkoeppe added this to the sage-10.2 milestone Aug 27, 2023
@mkoeppe mkoeppe mentioned this pull request Nov 4, 2023
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@dcoudert dcoudert dcoudert approved these changes

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