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4 changes: 2 additions & 2 deletions bitcoin/core/key.py
Original file line number Diff line number Diff line change
Expand Up @@ -217,7 +217,7 @@ def signature_to_low_s(self, sig):
def verify(self, hash, sig):
"""Verify a DER signature"""
if not sig:
return false
return False

# New versions of OpenSSL will reject non-canonical DER signatures. de/re-serialize first.
norm_sig = ctypes.c_void_p(0)
Expand All @@ -226,7 +226,7 @@ def verify(self, hash, sig):
derlen = _ssl.i2d_ECDSA_SIG(norm_sig, 0)
if derlen == 0:
_ssl.ECDSA_SIG_free(norm_sig)
return false
return False

norm_der = ctypes.create_string_buffer(derlen)
_ssl.i2d_ECDSA_SIG(norm_sig, ctypes.byref(ctypes.pointer(norm_der)))
Expand Down