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fix(core): preallocate storage.debug.reset_internal_entropy

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It should allow GC to cleanup `int_entropy`, which can be
allocated in random heap position, causing fragmentation.

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This commit is contained in:
Roman Zeyde 2025-03-24 18:18:34 +02:00 committed by Roman Zeyde
parent f942d13748
commit 8b4936926c
2 changed files with 3 additions and 2 deletions
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2
core/src/apps/management/reset_device/__init__.py
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@ -84,7 +84,7 @@ async def reset_device(msg: ResetDevice) -> Success:
# generate internal entropy
int_entropy = random.bytes(32, True)
if __debug__:
storage.debug.reset_internal_entropy = int_entropy
storage.debug.reset_internal_entropy[:] = int_entropy
entropy_commitment = (
hmac(hmac.SHA256, int_entropy, b"").digest() if msg.entropy_check else None

3
core/src/storage/debug.py
View File

@ -9,4 +9,5 @@ if __debug__:
layout_watcher = False
reset_internal_entropy: bytes = b""
reset_internal_entropy = bytearray(32)
reset_internal_entropy[:] = bytes()