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Add ChangeLog for PSA buffer sharing fix

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Signed-off-by: David Horstmann <david.horstmann@arm.com>
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David Horstmann 2024-03-11 17:21:54 +00:00
parent 63dfb45e5e
commit 5fb5cce066
1 changed files with 8 additions and 0 deletions
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8
ChangeLog.d/psa-shared-memory-protection.txt Normal file
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Security
* Support calling PSA functions with buffer arguments that are in memory
shared with an untrusted party. The PSA core now makes copies of all
buffers before passing them to drivers to protect drivers against
modification of buffers during operations.
This feature increases code-size and memory usage. If buffers passed to
PSA functions are all trusted, buffer copying may be disabled by
unsetting MBEDTLS_PSA_COPY_CALLER_BUFFERS.