[implem-python] Nettoyage PEP8

- espaces avant ':'
- espaces en trop après ','
- parenthèses dans les if
- levée d'exception plutôt que 'return None' implicite

Simplification  de genkat_aead.py  grâce  à l'exception  levée par  le
module.

1 files changed, 2 insertions, 24 deletions

diff --git a/python/genkat_aead.py b/python/genkat_aead.py
index daa48f8..8b38d9b 100755
--- a/python/genkat_aead.py
+++ b/python/genkat_aead.py
@@ -16,27 +16,8 @@ MODE_SUFFIXES = {
 }
 
 
-def bstr(buf):
-    return ''.join('{:02X}'.format(b) for b in buf)
-
-
 def print_bstr(output, label, buf):
-    print('{l} = {b}'.format(l=label, b=bstr(buf)), file=output)
-
-
-class DecryptionError(Exception):
-    def __init__(self, expected, actual, mode, keylen):
-        self.expected = expected
-        self.actual = actual
-        self.mode = mode
-        self.keylen = keylen
-        
-    def __str__(self):
-        return '({s.mode} / {s.keylen}) Expected {exp}; got {act}'.format(
-            s=self,
-            exp=bstr(self.expected) if self.expected is not None else 'NONE',
-            act=bstr(self.actual) if self.actual is not None else 'NONE'
-        )
+    print('{l} = {b}'.format(l=label, b=buf.hex().upper()), file=output)
 
 
 def generate_test_vectors(mode, keylen):
@@ -74,10 +55,7 @@ def generate_test_vectors(mode, keylen):
 
                 print_bstr(output, 'CT', ct+tag)
 
-                msg2 = decrypt(ct, tag, ad, key, nonce, mode)
-
-                if msg != msg2:
-                    raise DecryptionError(msg, msg2, mode, keylen)
+                decrypt(ct, tag, ad, key, nonce, mode)
 
                 count+=1