def __init__(self, dsa, _pyfree=0):
"""
Use one of the factory functions to create an instance.
"""
assert m2.dsa_type_check(dsa), "'dsa' type error"
self.dsa = dsa
self._pyfree = _pyfree
def __init__(self, dsa, _pyfree=0):
"""
Use one of the factory functions to create an instance.
"""
assert m2.dsa_type_check(dsa), "'dsa' type error"
self.dsa = dsa
self._pyfree = _pyfree
def __len__(self):
"""
Return the key length.
@rtype: int
@return: the DSA key length in bits
"""
assert m2.dsa_type_check(self.dsa), "'dsa' type error"
return m2.dsa_keylen(self.dsa)
def check_key(self):
"""
Check to be sure the DSA object has a valid private key.
@rtype: int
@return: 1 (true) if a valid private key
"""
assert m2.dsa_type_check(self.dsa), "'dsa' type error"
return m2.dsa_check_key(self.dsa)
def __len__(self):
"""
Return the key length.
@rtype: int
@return: the DSA key length in bits
"""
assert m2.dsa_type_check(self.dsa), "'dsa' type error"
return m2.dsa_keylen(self.dsa)
def check_key(self):
"""
Check to be sure the DSA object has a valid private key.
@rtype: int
@return: 1 (true) if a valid private key
"""
assert m2.dsa_type_check(self.dsa), "'dsa' type error"
return m2.dsa_check_key(self.dsa)
def __getattr__(self, name):
"""
Return specified DSA parameters and key values.
@type name: str
@param name: name of variable to be returned. Must be
one of 'p', 'q', 'g', 'pub', 'priv'.
@rtype: str
@return: value of specified variable (a "byte string")
"""
if name in ['p', 'q', 'g', 'pub', 'priv']:
method = getattr(m2, 'dsa_get_%s' % (name,))
assert m2.dsa_type_check(self.dsa), "'dsa' type error"
return method(self.dsa)
else:
raise AttributeError
def __getattr__(self, name):
"""
Return specified DSA parameters and key values.
@type name: str
@param name: name of variable to be returned. Must be
one of 'p', 'q', 'g', 'pub', 'priv'.
@rtype: str
@return: value of specified variable (a "byte string")
"""
if name in ['p', 'q', 'g', 'pub', 'priv']:
method = getattr(m2, 'dsa_get_%s' % (name,))
assert m2.dsa_type_check(self.dsa), "'dsa' type error"
return method(self.dsa)
else:
raise AttributeError
def gen_key(self):
"""
Generate a key pair.
"""
assert m2.dsa_type_check(self.dsa), "'dsa' type error"
m2.dsa_gen_key(self.dsa)
def gen_key(self):
"""
Generate a key pair.
"""
assert m2.dsa_type_check(self.dsa), "'dsa' type error"
m2.dsa_gen_key(self.dsa)
