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Add warnings to test code and data about storage format stability

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Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine 2022-06-20 19:10:35 +02:00
parent 228d99b57e
commit 76851ae3a6
4 changed files with 25 additions and 0 deletions
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10
scripts/mbedtls_dev/psa_storage.py
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@ -1,4 +1,9 @@
"""Knowledge about the PSA key store as implemented in Mbed TLS.
Note that if you need to make a change that affects how keys are
stored, this may indicate that the key store is changing in a
backward-incompatible way! Think carefully about backward compatibility
before changing how test data is constructed or validated.
"""
# Copyright The Mbed TLS Contributors
@ -146,6 +151,11 @@ class Key:
This is the content of the PSA storage file. When PSA storage is
implemented over stdio files, this does not include any wrapping made
by the PSA-storage-over-stdio-file implementation.
Note that if you need to make a change in this function,
this may indicate that the key store is changing in a
backward-incompatible way! Think carefully about backward
compatibility before making any change here.
"""
header = self.MAGIC + self.pack('L', self.version)
if self.version == 0: