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Merge branch 'bugfix/disable_coding_scheme_security_features' into 'master'

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bootloader: Don't enable secure boot or flash encryption for 3/4 Coding Scheme

See merge request idf/esp-idf!3369
This commit is contained in:
Angus Gratton
2018-10-02 07:54:11 +08:00
parent 23984c8a03 d8c84cff3a
commit 98b42a8b71
4 changed files with 12 additions and 1 deletions
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5
components/bootloader_support/src/flash_encrypt.c
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@@ -63,6 +63,11 @@ esp_err_t esp_flash_encrypt_check_and_update(void)
static esp_err_t initialise_flash_encryption(void)
{
if (REG_READ(EFUSE_BLK0_RDATA6_REG) & EFUSE_CODING_SCHEME_M) {
ESP_LOGE(TAG, "Flash Encryption is currently not supported on hardware with 3/4 Coding Scheme (CODING_SCHEME efuse set)");
return ESP_ERR_NOT_SUPPORTED;
}
/* Before first flash encryption pass, need to initialise key & crypto config */
/* Generate key */