esp Directory Reference

Files
	esp_aes128gcm.cpp
	AES-128-GCM and the AES-128 block on Espressif silicon, through the vendor's own primitives.
	esp_aesgcm.cpp
	AES-256-GCM on Espressif silicon, through the vendor's own AEAD.
	esp_bignum.cpp
	DH-2048 modexp on the Espressif RSA accelerator, via mbedtls.
	esp_crypto_hal.cpp
	Real-HAL implementation: single-owner RSA/MPI accelerator, brought up by DIRECT register writes.
	esp_crypto_hal.h
	Single owner of the ESP32 RSA/MPI accelerator, by DIRECT register access - a self-contained HAL.
	esp_platform.cpp
	Espressif answers to the platform questions the core asks.