X-Git-Url: http://www.git.cypherpunks.ru/?a=blobdiff_plain;f=pyderasn.py;h=b9bc9dae515564a24dcc052005754d54993fca03;hb=a34b3e75db1e13750560c89c2b80821f2e5d0d1f;hp=5e2dd2b5163542a940755d1ac16625ced66ab1d4;hpb=fda5cb9cfd5c69b1ae3373a22d27d1b5afffa353;p=pyderasn.git

diff --git a/pyderasn.py b/pyderasn.py
index 5e2dd2b..b9bc9da 100755
--- a/pyderasn.py
+++ b/pyderasn.py
@@ -3522,11 +3522,14 @@ class UTCTime(CommonString):
         if isinstance(value, datetime):
             return value.strftime(self.fmt).encode("ascii")
         if isinstance(value, binary_type):
-            value_decoded = value.decode("ascii")
+            try:
+                value_decoded = value.decode("ascii")
+            except (UnicodeEncodeError, UnicodeDecodeError) as err:
+                raise DecodeError("invalid UTCTime encoding")
             if len(value_decoded) == LEN_YYMMDDHHMMSSZ:
                 try:
                     datetime.strptime(value_decoded, self.fmt)
-                except ValueError:
+                except (TypeError, ValueError):
                     raise DecodeError("invalid UTCTime format")
                 return value
             else:
@@ -3620,11 +3623,14 @@ class GeneralizedTime(UTCTime):
                 self.fmt_ms if value.microsecond > 0 else self.fmt
             ).encode("ascii")
         if isinstance(value, binary_type):
-            value_decoded = value.decode("ascii")
+            try:
+                value_decoded = value.decode("ascii")
+            except (UnicodeEncodeError, UnicodeDecodeError) as err:
+                raise DecodeError("invalid GeneralizedTime encoding")
             if len(value_decoded) == LEN_YYYYMMDDHHMMSSZ:
                 try:
                     datetime.strptime(value_decoded, self.fmt)
-                except ValueError:
+                except (TypeError, ValueError):
                     raise DecodeError(
                         "invalid GeneralizedTime (without ms) format",
                     )
@@ -3632,7 +3638,7 @@ class GeneralizedTime(UTCTime):
             elif len(value_decoded) >= LEN_YYYYMMDDHHMMSSDMZ:
                 try:
                     datetime.strptime(value_decoded, self.fmt_ms)
-                except ValueError:
+                except (TypeError, ValueError):
                     raise DecodeError(
                         "invalid GeneralizedTime (with ms) format",
                     )
@@ -4498,7 +4504,7 @@ class Sequence(Obj):
                     continue
                 raise
 
-            defined = get_def_by_path(ctx.get("defines", ()), sub_decode_path)
+            defined = get_def_by_path(ctx.get("_defines", ()), sub_decode_path)
             if defined is not None:
                 defined_by, defined_spec = defined
                 if issubclass(value.__class__, SequenceOf):
@@ -4570,7 +4576,7 @@ class Sequence(Obj):
                 for rel_path, schema in spec_defines:
                     defined = schema.get(value, None)
                     if defined is not None:
-                        ctx.setdefault("defines", []).append((
+                        ctx.setdefault("_defines", []).append((
                             abs_decode_path(sub_decode_path[:-1], rel_path),
                             (value, defined),
                         ))