2 engine loading and configuration
5 from ctypescrypto import libcrypto
6 from ctypescrypto.exception import LibCryptoError
8 __all__=['default','set_default']
12 def set_default(engine):
14 Loads specified engine and sets it as default for all
15 algorithms, supported by it
18 e=libcrypto.ENGINE_by_id(engine)
21 e = libcrypto.ENGINE_by_id("dynamic")
23 raise LibCryptoError("Cannot get 'dynamic' engine")
24 if not libcrypto.ENGINE_ctrl_cmd_string(e,"SO_PATH",engine,0):
25 raise LibCryptoError("Cannot execute ctrl cmd SO_PATH")
26 if not libcrypto.ENGINE_ctrl_cmd_string(e,"LOAD",None,0):
27 raise LibCryptoError("Cannot execute ctrl cmd LOAD")
29 raise ValueError("Cannot find engine "+engine)
30 libcrypto.ENGINE_set_default(e,c_int(0xFFFF))
33 # Declare function result and arguments for used functions
34 libcrypto.ENGINE_by_id.restype=c_void_p
35 libcrypto.ENGINE_by_id.argtypes=(c_char_p,)
36 libcrypto.ENGINE_set_default.argtypes=(c_void_p,c_int)
37 libcrypto.ENGINE_ctrl_cmd_string.argtypes=(c_void_p,c_char_p,c_char_p,c_int)
38 libcrypto.ENGINE_finish.argtypes=(c_char_p,)