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eccblind quality fixes

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lakshyacis 2019-12-21 15:14:07 +05:30
parent 36c24cc09a
commit 814aae5166
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1 changed files with 5 additions and 5 deletions
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10
src/pyelliptic/eccblind.py
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@ -1,6 +1,7 @@
#!/usr/bin/env python #!/usr/bin/env python
""" """
ECC blind signature functionality based on "An Efficient Blind Signature Scheme ECC blind signature functionality based on
"An Efficient Blind Signature Scheme
Based on the Elliptic CurveDiscrete Logarithm Problem" by Morteza Nikooghadama Based on the Elliptic CurveDiscrete Logarithm Problem" by Morteza Nikooghadama
<mnikooghadam@sbu.ac.ir> and Ali Zakerolhosseini <a-zaker@sbu.ac.ir>, <mnikooghadam@sbu.ac.ir> and Ali Zakerolhosseini <a-zaker@sbu.ac.ir>,
http://www.isecure-journal.com/article_39171_47f9ec605dd3918c2793565ec21fcd7a.pdf http://www.isecure-journal.com/article_39171_47f9ec605dd3918c2793565ec21fcd7a.pdf
@ -8,7 +9,6 @@ http://www.isecure-journal.com/article_39171_47f9ec605dd3918c2793565ec21fcd7a.pd
# variable names are based on the math in the paper, so they don't conform # variable names are based on the math in the paper, so they don't conform
# to PEP8 # to PEP8
# pylint: disable=invalid-name
from .openssl import OpenSSL from .openssl import OpenSSL
@ -72,8 +72,7 @@ class ECCBlind(object): # pylint: disable=too-many-instance-attributes
# F = (x0, y0) # F = (x0, y0)
x0 = OpenSSL.BN_new() x0 = OpenSSL.BN_new()
y0 = OpenSSL.BN_new() y0 = OpenSSL.BN_new()
OpenSSL.EC_POINT_get_affine_coordinates_GFp(group, F, x0, y0, OpenSSL.EC_POINT_get_affine_coordinates_GFp(group, F, x0, y0, ctx)
ctx)
return x0 return x0
def __init__(self, curve="secp256k1", pubkey=None): def __init__(self, curve="secp256k1", pubkey=None):
@ -82,7 +81,8 @@ class ECCBlind(object): # pylint: disable=too-many-instance-attributes
if pubkey: if pubkey:
self.group, self.G, self.n, self.Q = pubkey self.group, self.G, self.n, self.Q = pubkey
else: else:
self.group = OpenSSL.EC_GROUP_new_by_curve_name(OpenSSL.get_curve(curve)) self.group = OpenSSL.EC_GROUP_new_by_curve_name(
OpenSSL.get_curve(curve))
# Order n # Order n
self.n = OpenSSL.BN_new() self.n = OpenSSL.BN_new()
OpenSSL.EC_GROUP_get_order(self.group, self.n, self.ctx) OpenSSL.EC_GROUP_get_order(self.group, self.n, self.ctx)