diff options
Diffstat (limited to 'lib/thandy/keys.py')
| -rw-r--r-- | lib/thandy/keys.py | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/lib/thandy/keys.py b/lib/thandy/keys.py index 211150a..3385ddb 100644 --- a/lib/thandy/keys.py +++ b/lib/thandy/keys.py @@ -23,8 +23,12 @@ class PublicKey: self._roles = [] def format(self): raise NotImplemented() - def sign(self, data=None, digest=None): - # returns a list of method,signature tuples. + def sign(self, obj=None, digest=None): + """Sign either a JSon object provided in 'obj', or a digest provided + in 'digest'. Return a list of (method name, base64-encoded + signature) tuple. + + Requires that this is a private key.""" raise NotImplemented() def checkSignature(self, method, data, signature): # returns True, False, or raises UnknownMethod. @@ -125,7 +129,7 @@ class RSAKey(PublicKey): >>> k.getKeyID() == k1.getKeyID() True >>> s = { 'A B C' : "D", "E" : [ "F", "g", 99] } - >>> method, sig = k.sign(obj=s) + >>> method, sig = k.sign(obj=s)[0] >>> k.checkSignature(method, sig, obj=s) True >>> s2 = [ s ] @@ -207,7 +211,7 @@ class RSAKey(PublicKey): digest = thandy.formats.getDigest(obj) m = _pkcs1_padding(digest, (self.key.size()+1) // 8) sig = intToBase64(self.key.sign(m, "")[0]) - return (method, sig) + return [ (method, sig) ] def checkSignature(self, method, sig, obj=None, digest=None): assert _xor(obj == None, digest == None) |