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two bugfixes: 1. nist256p1.c was not included in setup.py, causing import errors when using TrezorCrypto.so in Python. 2. if you attempted a hardened derivation in python using the compiled TrezorCrypto module, an IntegerOverflowError would occur because Python ints are always signed. one-line fix by changing int to unsigned int in the pyx file

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This commit is contained in:
Josh Billings 2015-07-06 12:43:30 -04:00
parent 71c24673ce
commit d2120d6da1
2 changed files with 2 additions and 2 deletions
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3
TrezorCrypto.pyx
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@ -1,6 +1,5 @@
cimport c cimport c
cimport cython cimport cython
cdef class HDNode: cdef class HDNode:
cdef c.HDNode node cdef c.HDNode node
@ -34,7 +33,7 @@ cdef class HDNode:
c.hdnode_public_ckd(cython.address(x.node), i) c.hdnode_public_ckd(cython.address(x.node), i)
return x return x
def private_ckd(self, int i): def private_ckd(self, unsigned int i):
x = HDNode(copyfrom=self) x = HDNode(copyfrom=self)
c.hdnode_private_ckd(cython.address(x.node), i) c.hdnode_private_ckd(cython.address(x.node), i)
return x return x

1
setup.py
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@ -5,6 +5,7 @@ from Cython.Build import cythonize
from Cython.Distutils import build_ext from Cython.Distutils import build_ext
srcs = [ srcs = [
'nist256p1',
'base58', 'base58',
'bignum', 'bignum',
'bip32', 'bip32',