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aes/sha: use a shared lazy allocated GDMA channel for AES and SHA

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Removed the old dynamically allocated GDMA channel approach.
It proved too unreliable as we couldn't not ensure consumers of the mbedtls
would properly free the channels after use.

Replaced by a single shared GDMA channel for AES and SHA, which won't be
released unless user specifically calls API for releasing it.
This commit is contained in:
Marius Vikhammer
2021-02-25 15:06:41 +08:00
parent 1fa1474eec
commit fe71a8e340
20 changed files with 403 additions and 436 deletions
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20
components/esp32s3/include/esp_crypto_lock.h
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@@ -27,24 +27,16 @@ extern "C" {
*/
/**
* Acquire lock for the SHA cryptography peripheral
* @brief Acquire lock for the SHA and AES cryptography peripheral.
*
*/
void esp_crypto_sha_lock_acquire(void);
void esp_crypto_sha_aes_lock_acquire(void);
/**
* Release lock for the SHA cryptography peripheral
* @brief Release lock for the SHA and AES cryptography peripheral.
*
*/
void esp_crypto_sha_lock_release(void);
/**
* Acquire lock for the AES cryptography peripheral
*/
void esp_crypto_aes_lock_acquire(void);
/**
* Release lock for the AES cryptography peripheral
*/
void esp_crypto_aes_lock_release(void);
void esp_crypto_sha_aes_lock_release(void);
/**
* Acquire lock for the MPI/RSA cryptography peripheral