def verify(self, message, signature):
try:
bits = signature.split(":")
padding_scheme = bits[0]
signature = ":".join(bits[1:])
except (ValueError, TypeError, IndexError):
return False
signature = _rjust(signature, self.size / 8, "\x00")
encsig = self.encrypt(signature)
encsig = _rjust(encsig, self.size / 8, "\x00")
try:
padder = self._get_padder(padding_scheme)
except ValueError:
return False
return padder.verify(message, encsig)
def verify(self,message,signature):
try:
bits = signature.split(":")
padding_scheme = bits[0]
signature = ":".join(bits[1:])
except (ValueError,TypeError,IndexError):
return False
signature = _rjust(signature,self.size/8,"\x00")
encsig = self.encrypt(signature)
encsig = _rjust(encsig,self.size/8,"\x00")
try:
padder = self._get_padder(padding_scheme)
except ValueError:
return False
return padder.verify(message,encsig)
def sign(self, message, padding_scheme=None):
if padding_scheme is None:
padding_scheme = self.default_padding_scheme
if padding_scheme is None:
padding_scheme = "pss-sha1"
encsig = self._get_padder(padding_scheme).encode(message)
signature = self.decrypt(encsig)
return padding_scheme + ":" + _rjust(signature, self.size / 8, "\x00")
def sign(self,message,padding_scheme=None):
if padding_scheme is None:
padding_scheme = self.default_padding_scheme
if padding_scheme is None:
padding_scheme = "pss-sha1"
encsig = self._get_padder(padding_scheme).encode(message)
signature = self.decrypt(encsig)
return padding_scheme + ":" + _rjust(signature,self.size/8,"\x00")
