9b3bb86855
Add hardware-accelerated AES driver for Espressif SoCs supporting ECB, CBC, and CTR cipher modes with AES-128, AES-192, and AES-256 key lengths. Supported modes: - ECB (Electronic Codebook) - CBC (Cipher Block Chaining) - CTR (Counter) Supported SoCs: - ESP32: All modes, all key sizes - ESP32-S2/S3: All modes, AES-128/256 only - ESP32-C2/C3/C6/H2: All modes, all key sizes Signed-off-by: Sylvio Alves <sylvio.alves@espressif.com>
53 lines
1.5 KiB
Plaintext
53 lines
1.5 KiB
Plaintext
# Copyright (c) 2025 Espressif Systems
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# SPDX-License-Identifier: Apache-2.0
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config CRYPTO_ESP32
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bool "Espressif Crypto driver"
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depends on DT_HAS_ESPRESSIF_ESP32_AES_ENABLED || DT_HAS_ESPRESSIF_ESP32_SHA_ENABLED
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default y
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help
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Enable the Espressif hardware crypto drivers for AES and SHA
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accelerators.
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if CRYPTO_ESP32
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config CRYPTO_ESP32_AES
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bool "ESP32 AES Hardware Accelerator"
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depends on DT_HAS_ESPRESSIF_ESP32_AES_ENABLED
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default y
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help
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Enable support for the Espressif AES hardware accelerator.
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This driver implements AES-ECB, AES-CBC, and AES-CTR modes
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using the hardware AES engine through the HAL.
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config CRYPTO_ESP32_SHA
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bool "ESP32 SHA Hardware Accelerator"
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depends on DT_HAS_ESPRESSIF_ESP32_SHA_ENABLED
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default y
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help
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Enable support for the Espressif SHA hardware accelerator.
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This driver implements SHA-224, SHA-256, SHA-384, and SHA-512
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using the Espressif HAL SHA engine.
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config CRYPTO_ESP32_SHA_SESSIONS_MAX
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int "Max ESP32 SHA sessions"
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depends on CRYPTO_ESP32_SHA
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range 1 32
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default 2
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help
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Maximum number of concurrent SHA hash sessions.
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Each session uses approximately 300-400 bytes of RAM
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(more for SHA-384/512 due to larger state).
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config ESP32_CRYPTO_AES_SESSIONS_MAX
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int "Max ESP32 AES sessions"
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depends on CRYPTO_ESP32_AES
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range 1 32
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default 4
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help
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Maximum number of concurrent AES sessions.
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Each session uses approximately 300-400 bytes of RAM
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(more for AES-256 due to larger state).
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endif # CRYPTO_ESP32
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