PE binaries included in the driver package (.sys, .dll, etc) may contain
no internal signatures; in that case their digest in the catalog is
calculated till the end of the file.
Signed-off-by: Roman Kagan <rkagan@xxxxxxxxxxxxx>
---
util/cpdrivers.py | 2 ++
1 file changed, 2 insertions(+)
diff --git a/util/cpdrivers.py b/util/cpdrivers.py
index 305b3ae..f4b1d6e 100644
--- a/util/cpdrivers.py
+++ b/util/cpdrivers.py
@@ -65,6 +65,8 @@ def calcPEHash(data, hashobj):
0x20b: 168 # PE32+
}[pemagic]
sec, seclen = struct.unpack_from("2I", data, secdir)
+ if sec == 0:
+ sec = len(data)
# signature is always the tail part
assert sec + seclen == len(data)
--
2.5.0
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