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Changelog entry for the move from key_ext to key_custom functions

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Document psa_generate_key_ext() and psa_key_derivation_output_key_ext() as
deprecated in favor of psa_generate_key_custom() and
psa_key_derivation_output_key_custom(), and no longer declared in C++ builds.

Resolves #9020.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
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Gilles Peskine 2024-06-06 21:38:11 +02:00
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ChangeLog.d/psa_generate_key_custom.txt Normal file
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API changes
* The experimental functions psa_generate_key_ext() and
psa_key_derivation_output_key_ext() are no longer declared when compiling
in C++. This resolves a build failure under C++ compilers that do not
support flexible array members (a C99 feature not adopted by C++).
Fixes #9020.
New deprecations
* The experimental functions psa_generate_key_ext() and
psa_key_derivation_output_key_ext() are deprecated in favor of
psa_generate_key_custom() and psa_key_derivation_output_key_custom().
They have almost exactly the same interface, but the variable-length
data is passed in a separate parameter instead of a flexible array
member.