esp32c2: Support Secure Boot V2 based on ECDSA scheme

This commit is contained in:
Sachin Parekh
2022-03-10 10:53:15 +05:30
committed by Mahavir Jain
parent dec3db6913
commit 2c725264f7
18 changed files with 596 additions and 193 deletions

View File

@@ -16,7 +16,7 @@ static __attribute__((unused)) const char *TAG = "secure_boot";
esp_err_t esp_secure_boot_enable_secure_features(void)
{
esp_efuse_write_field_bit(ESP_EFUSE_DIS_LEGACY_SPI_BOOT);
esp_efuse_write_field_bit(ESP_EFUSE_DIS_DIRECT_BOOT);
#ifdef CONFIG_SECURE_ENABLE_SECURE_ROM_DL_MODE
ESP_LOGI(TAG, "Enabling Security download mode...");
@@ -39,16 +39,10 @@ esp_err_t esp_secure_boot_enable_secure_features(void)
#ifndef CONFIG_SECURE_BOOT_ALLOW_JTAG
ESP_LOGI(TAG, "Disable hardware & software JTAG...");
esp_efuse_write_field_bit(ESP_EFUSE_DIS_PAD_JTAG);
esp_efuse_write_field_bit(ESP_EFUSE_DIS_USB_JTAG);
esp_efuse_write_field_bit(ESP_EFUSE_SOFT_DIS_JTAG);
#else
ESP_LOGW(TAG, "Not disabling JTAG - SECURITY COMPROMISED");
#endif
#ifdef CONFIG_SECURE_BOOT_ENABLE_AGGRESSIVE_KEY_REVOKE
esp_efuse_write_field_bit(ESP_EFUSE_SECURE_BOOT_AGGRESSIVE_REVOKE);
#endif
esp_efuse_write_field_bit(ESP_EFUSE_SECURE_BOOT_EN);
return ESP_OK;