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Fix OpenSSL related crashes on OSX and Arch #77

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petertodd wants to merge 1 commit into from
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Fix OpenSSL related crashes on OSX and Arch #77

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54 changes: 54 additions & 0 deletions 54 bitcoin/core/key.py
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,60 @@

_ssl = ctypes.cdll.LoadLibrary(ctypes.util.find_library('ssl') or 'libeay32')

_ssl.BN_new.restype = ctypes.c_void_p
_ssl.BN_new.argtypes = []

_ssl.BN_bin2bn.restype = ctypes.c_void_p
_ssl.BN_bin2bn.argtypes = [ctypes.c_char_p, ctypes.c_int, ctypes.c_void_p]

_ssl.BN_CTX_free.restype = None
_ssl.BN_CTX_free.argtypes = [ctypes.c_void_p]

_ssl.BN_CTX_new.restype = ctypes.c_void_p
_ssl.BN_CTX_new.argtypes = []

_ssl.ECDH_compute_key.restype = ctypes.c_int
_ssl.ECDH_compute_key.argtypes = [ctypes.c_void_p, ctypes.c_int, ctypes.c_void_p, ctypes.c_void_p]

_ssl.ECDSA_sign.restype = ctypes.c_int
_ssl.ECDSA_sign.argtypes = [ctypes.c_int, ctypes.c_void_p, ctypes.c_int, ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p]

_ssl.ECDSA_verify.restype = ctypes.c_int
_ssl.ECDSA_verify.argtypes = [ctypes.c_int, ctypes.c_void_p, ctypes.c_int, ctypes.c_void_p, ctypes.c_int, ctypes.c_void_p]

_ssl.EC_KEY_free.restype = None
_ssl.EC_KEY_free.argtypes = [ctypes.c_void_p]

_ssl.EC_KEY_new_by_curve_name.restype = ctypes.c_void_p
_ssl.EC_KEY_new_by_curve_name.argtypes = [ctypes.c_int]

_ssl.EC_KEY_get0_group.restype = ctypes.c_void_p
_ssl.EC_KEY_get0_group.argtypes = [ctypes.c_void_p]

_ssl.EC_KEY_get0_public_key.restype = ctypes.c_void_p
_ssl.EC_KEY_get0_public_key.argtypes = [ctypes.c_void_p]

_ssl.EC_KEY_set_private_key.restype = ctypes.c_int
_ssl.EC_KEY_set_private_key.argtypes = [ctypes.c_void_p, ctypes.c_void_p]

_ssl.EC_KEY_set_conv_form.restype = None
_ssl.EC_KEY_set_conv_form.argtypes = [ctypes.c_void_p, ctypes.c_int]

_ssl.EC_KEY_set_public_key.restype = ctypes.c_int
_ssl.EC_KEY_set_public_key.argtypes = [ctypes.c_void_p, ctypes.c_void_p]

_ssl.i2o_ECPublicKey.restype = ctypes.c_void_p
_ssl.i2o_ECPublicKey.argtypes = [ctypes.c_void_p, ctypes.c_void_p]

_ssl.EC_POINT_new.restype = ctypes.c_void_p
_ssl.EC_POINT_new.argtypes = [ctypes.c_void_p]

_ssl.EC_POINT_free.restype = None
_ssl.EC_POINT_free.argtypes = [ctypes.c_void_p]

_ssl.EC_POINT_mul.restype = ctypes.c_int
_ssl.EC_POINT_mul.argtypes = [ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p]

# this specifies the curve used with ECDSA.
_NID_secp256k1 = 714 # from openssl/obj_mac.h

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