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commit cf1b08750432e46da9a9087090c2a0d1c93e9046
Author: Eren Terzioglu <eren.terzio...@espressif.com>
AuthorDate: Tue May 20 17:22:16 2025 +0200
Docs/espressif: Add crypto defconfig docs for esp32[-s2|-s3]
Docs/espressif: Add crypto defconfig docs for Xtensa based Espressif devices
Signed-off-by: Eren Terzioglu <eren.terzio...@espressif.com>
---
.../xtensa/esp32s2/boards/esp32s2-saola-1/index.rst | 18 ++++++++++++++++++
Documentation/platforms/xtensa/esp32s2/index.rst | 2 +-
.../xtensa/esp32s3/boards/esp32s3-devkit/index.rst | 18 ++++++++++++++++++
Documentation/platforms/xtensa/esp32s3/index.rst | 2 +-
4 files changed, 38 insertions(+), 2 deletions(-)
diff --git
a/Documentation/platforms/xtensa/esp32s2/boards/esp32s2-saola-1/index.rst
b/Documentation/platforms/xtensa/esp32s2/boards/esp32s2-saola-1/index.rst
index 74639deeecd..15d6679c86a 100644
--- a/Documentation/platforms/xtensa/esp32s2/boards/esp32s2-saola-1/index.rst
+++ b/Documentation/platforms/xtensa/esp32s2/boards/esp32s2-saola-1/index.rst
@@ -189,6 +189,24 @@ disables the NuttShell to get the best possible score.
.. note:: As the NSH is disabled, the application will start as soon as the
system is turned on.
+crypto
+------
+
+This configuration enables support for the cryptographic hardware and
+the ``/dev/crypto`` device file. Currently, we are supporting SHA-1,
+SHA-224 and SHA-256 algorithms using hardware.
+To test hardware acceleration, you can use `hmac` example and following output
+should look like this::
+
+ nsh> hmac
+ ...
+ hmac sha1 success
+ hmac sha1 success
+ hmac sha1 success
+ hmac sha256 success
+ hmac sha256 success
+ hmac sha256 success
+
cxx
---
diff --git a/Documentation/platforms/xtensa/esp32s2/index.rst
b/Documentation/platforms/xtensa/esp32s2/index.rst
index e1b0e707dc9..82b68012cef 100644
--- a/Documentation/platforms/xtensa/esp32s2/index.rst
+++ b/Documentation/platforms/xtensa/esp32s2/index.rst
@@ -391,7 +391,7 @@ RNG Yes
RSA No
RTC Yes
SD/MMC Yes SPI based SD card driver
-SHA No
+SHA Yes
SPI Yes
SPIFLASH Yes
SPIRAM Yes
diff --git
a/Documentation/platforms/xtensa/esp32s3/boards/esp32s3-devkit/index.rst
b/Documentation/platforms/xtensa/esp32s3/boards/esp32s3-devkit/index.rst
index 08b63474eda..d84861996e9 100644
--- a/Documentation/platforms/xtensa/esp32s3/boards/esp32s3-devkit/index.rst
+++ b/Documentation/platforms/xtensa/esp32s3/boards/esp32s3-devkit/index.rst
@@ -195,6 +195,24 @@ disables the NuttShell to get the best possible score.
.. note:: As the NSH is disabled, the application will start as soon as the
system is turned on.
+crypto
+------
+
+This configuration enables support for the cryptographic hardware and
+the ``/dev/crypto`` device file. Currently, we are supporting SHA-1,
+SHA-224 and SHA-256 algorithms using hardware.
+To test hardware acceleration, you can use `hmac` example and following output
+should look like this::
+
+ nsh> hmac
+ ...
+ hmac sha1 success
+ hmac sha1 success
+ hmac sha1 success
+ hmac sha256 success
+ hmac sha256 success
+ hmac sha256 success
+
cxx
---
Development environment ready for C++ applications. You can check if the setup
diff --git a/Documentation/platforms/xtensa/esp32s3/index.rst
b/Documentation/platforms/xtensa/esp32s3/index.rst
index a9421f17d87..085d489919a 100644
--- a/Documentation/platforms/xtensa/esp32s3/index.rst
+++ b/Documentation/platforms/xtensa/esp32s3/index.rst
@@ -427,7 +427,7 @@ RSA No
RTC Yes
SDIO No
SD/MMC Yes
-SHA No
+SHA Yes
SPI Yes
SPIFLASH Yes
SPIRAM Yes
