def __init__(self, data):
self.p = p = long(data["p"], 16)
self.q = q = long(data["q"], 16)
self.g = g = long(data["g"], 16)
self.y = y = long(data["y"], 16)
if "x" not in data:
self.x = None
self.dsa = _DSA.load_pub_key_params(int2mpint(p), int2mpint(q),
int2mpint(g), int2mpint(y))
else:
self.x = x = long(data["x"], 16)
self.dsa = _DSA.load_key_params(int2mpint(p), int2mpint(q),
int2mpint(g), int2mpint(y),
int2mpint(x))
def __init__(self, data):
self.p = p = long(data["p"], 16)
self.q = q = long(data["q"], 16)
self.g = g = long(data["g"], 16)
self.y = y = long(data["y"], 16)
if "x" not in data:
self.x = None
self.dsa = _DSA.load_pub_key_params(int2mpint(p), int2mpint(q),
int2mpint(g), int2mpint(y))
else:
self.x = x = long(data["x"], 16)
self.dsa = _DSA.load_key_params(int2mpint(p), int2mpint(q),
int2mpint(g), int2mpint(y),
int2mpint(x))
def get_crypto_obj(algo, filename=None, key=None):
if filename is None and key is None:
raise ValueError('you need to specify either filename or key')
if key is not None:
bio = BIO.MemoryBuffer(str(key))
else:
bio = BIO.openfile(filename)
# we can know what's the algorithm used thanks to the filename
if algo.startswith('RS'):
obj = _RSA.load_pub_key_bio(bio)
elif algo.startswith('DS'):
obj = _DSA.load_pub_key_bio(bio)
else:
raise ValueError('unknown algorithm')
return obj
