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psa: Remove MBEDTLS_PSA_CRYPTO_DRIVERS configuration option

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The support for the PSA crypto driver interface
is not optional anymore as the implementation of
the PSA cryptography interface has been restructured
around the PSA crypto driver interface (see
psa-crypto-implementation-structure.md). There is
thus no purpose for the configuration options
MBEDTLS_PSA_CRYPTO_DRIVERS anymore.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
This commit is contained in:
Ronald Cron 2023-01-16 16:56:51 +01:00
parent 2f10fceccd
commit e6e6b75ad3
18 changed files with 62 additions and 102 deletions
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2
docs/architecture/mbed-crypto-storage-specification.md
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@ -354,7 +354,7 @@ Supported features:
* [Persistent keys](#key-file-format-for-mbed-tls-2.25.0) designated by a [key identifier and owner](#key-names-for-mbed-tls-2.25.0). Keys can be:
* Transparent, stored in the export format.
* Opaque, using the unified driver interface with statically registered drivers (`MBEDTLS_PSA_CRYPTO_DRIVERS`). The driver determines the content of the opaque key blob.
* Opaque, using the PSA driver interface with statically registered drivers. The driver determines the content of the opaque key blob.
* Opaque, using the deprecated secure element interface with dynamically registered drivers (`MBEDTLS_PSA_CRYPTO_SE_C`). The driver picks a slot number which is stored in the place of the key material.
* [Nonvolatile random seed](#nonvolatile-random-seed-file-format-for-mbed-tls-2.25.0) on ITS only.