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From: Pratik Manvar <pratik.manvar@ifm.com>
Date: Wed, 30 Jul 2025 19:21:49 +0530
Subject: fix: add missing `decrypted-size` entry
The decrypted-size field is required when flashing encrypted images
to the MTD partition on NOR flash.
This attribute is also required to handle the UBI Volumes. Due to a
limit in the Linux kernel API for UBI volumes, the size reserved to
be written on disk should be declared before actually writing anything.
Signed-off-by: Pratik Manvar <pratik.manvar@ifm.com>
Tested-by: Stefano Babic <stefano.babic@swupdate.org>
Forwarded: not-needed
Origin: upstream
---
swugenerator/generator.py | 3 +++
1 file changed, 3 insertions(+)
diff --git a/swugenerator/generator.py b/swugenerator/generator.py
index 628dffe..1721aef 100644
--- a/swugenerator/generator.py
+++ b/swugenerator/generator.py
@@ -201,6 +201,9 @@ class SWUGenerator:
entry["ivt"] = iv
new.ivt = iv
+ entry.setdefault("properties", {}) \
+ .update({ "decrypted-size": str(new.getsize()) })
+
self.artifacts.append(new)
else:
logging.debug("Artifact %s already stored", entry["filename"])
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