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