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Start TinyCrypt deprecation #79566

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Oct 17, 2024
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Start TinyCrypt deprecation #79566

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13 changes: 13 additions & 0 deletions doc/releases/migration-guide-4.0.rst
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Expand Up @@ -75,6 +75,19 @@ Mbed TLS
corresponding build symbol was removed in Mbed TLS 3.1.0 and is now assumed to
be enabled. (:github:`77657`)

TinyCrypt
=========

* Starting from this release the library is marked as deprecated (:github:`79566`).
The reasons for this are (:github:`43712``):

* the upstream version of this library is unmaintained.

* to reduce the number of crypto libraries available in Zephyr (currently there are
3 different implementations: TinyCrypt, MbedTLS and PSA Crypto APIs).

The PSA Crypto API is now the de-facto standard to perform crypto operations.

Trusted Firmware-M
==================

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10 changes: 10 additions & 0 deletions doc/releases/release-notes-4.0.rst
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Expand Up @@ -56,6 +56,16 @@ Deprecated in this release

* The :ref:`kscan_api` subsystem has been marked as deprecated.

* The TinyCrypt library was marked as deprecated (:github:`79566`). The reasons
for this are (:github:`43712``):

* the upstream version of this library is unmaintained.

* to reduce the number of crypto libraries available in Zephyr (currently there are
3 different implementations: TinyCrypt, MbedTLS and PSA Crypto APIs).

The PSA Crypto API is now the de-facto standard to perform crypto operations.
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Architectures
*************

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1 change: 1 addition & 0 deletions modules/Kconfig.tinycrypt
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Expand Up @@ -9,6 +9,7 @@ config ZEPHYR_TINYCRYPT_MODULE
config TINYCRYPT
bool "TinyCrypt Support"
depends on ZEPHYR_TINYCRYPT_MODULE
select DEPRECATED
help
This option enables the TinyCrypt cryptography library.

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