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MASSON Simon
Cocks-Pinch variant
Commits
0659f416
Commit
0659f416
authored
Sep 05, 2019
by
MASSON Simon
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critere polynome de definition Fpk
parent
0e2c16f7
Changes
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22 additions
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1 deletion
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-1
CocksPinchVariant.py
CocksPinchVariant.py
+22
-1
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CocksPinchVariant.py
View file @
0659f416
...
...
@@ -505,7 +505,7 @@ class CocksPinchVariantResult(object):
"""
def
__init__
(
self
,
k
,
D
,
T
,
i
,
ht
=
Integer
(
0
),
hy
=
Integer
(
0
),
pre
=
False
,
l
=
1
,
allowed_cofactor
=
1
,
allowed_size_cofactor
=
5
,
max_trialdiv
=
10
**
6
,
max_B1
=
10
**
4
,
new_semantics
=
False
):
def
__init__
(
self
,
k
,
D
,
T
,
i
,
ht
=
Integer
(
0
),
hy
=
Integer
(
0
),
max_poly_coeff
=
0
,
pre
=
False
,
l
=
1
,
allowed_cofactor
=
1
,
allowed_size_cofactor
=
5
,
max_trialdiv
=
10
**
6
,
max_B1
=
10
**
4
,
new_semantics
=
False
):
kl
=
k
*
l
fD
=
-
fundamental_discriminant
(
-
D
)
...
...
@@ -515,6 +515,7 @@ class CocksPinchVariantResult(object):
self
.
T
=
Integer
(
T
)
self
.
i
=
i
self
.
r
=
cyclotomic_polynomial
(
kl
)(
T
)
self
.
max_poly_coeff
=
max_poly_coeff
self
.
allowed_size_cofactor
=
allowed_size_cofactor
self
.
allowed_cofactor
=
allowed_cofactor
self
.
max_trialdiv
=
max_trialdiv
...
...
@@ -623,6 +624,11 @@ class CocksPinchVariantResult(object):
if
pre
:
print
"C=%s"
%
repr
(
self
)
def
u
(
self
):
return
self
.
T
def
T
(
self
):
return
self
.
T
def
_prepare_E2
(
self
):
if
self
.
_E2
is
not
None
:
return
...
...
@@ -1029,6 +1035,7 @@ class CocksPinchVariantSearch(object):
output_file
=
""
,
T_choice
=
""
,
hty_choice
=
""
,
max_poly_coeff
=
0
,
l
=
1
,
required_cofactor
=
1
,
allowed_cofactor
=
1
,
...
...
@@ -1052,6 +1059,7 @@ class CocksPinchVariantSearch(object):
- `random`: abide by the other parameters, except that we do random picks.
- `hamming=X`: restrict to Hamming weight equal to `X` (int, positive)
- `2-naf=X`: restrict to 2-NAF weight equal to `X` (int, positive)
- `max_poly_coeff` (int): maximum value of alpha such that x^k - alpha is irreducible
- `verbose` (boolean): verbose mode
- `output_file` (string): filename where to write the parameters
- `hty_choice` (string): strategy to select hy in y = y0 + hy*r and ht in t = t0 + ht*r;
...
...
@@ -1076,6 +1084,7 @@ class CocksPinchVariantSearch(object):
self
.
T_choice
=
T_choice
self
.
hty_choice
=
hty_choice
self
.
l
=
l
self
.
max_poly_coeff
=
Integer
(
max_poly_coeff
)
self
.
required_cofactor
=
Integer
(
required_cofactor
)
self
.
allowed_cofactor
=
Integer
(
allowed_cofactor
)
self
.
allowed_size_cofactor
=
Integer
(
allowed_size_cofactor
)
...
...
@@ -1922,6 +1931,18 @@ class CocksPinchVariantSearch(object):
fail
[
'p milrab'
]
+=
1
continue
if
self
.
max_poly_coeff
>
0
:
boo
=
False
for
alpha
in
range
(
1
,
self
.
max_poly_coeff
):
if
(
x
**
k
-
alpha
).
is_irreducible
()
:
boo
=
True
break
if
(
x
**
k
+
alpha
).
is_irreducible
()
:
boo
=
True
break
if
not
(
boo
)
:
fail
[
'large poly'
]
+=
1
E
=
CocksPinchVariantResult
(
k
,
fD
,
T
,
i
,
ht
=
ht
,
hy
=
hy
,
l
=
self
.
l
)
if
not
self
.
check_automatic_factors
(
E
):
...
...
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