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1 files changed, 19 insertions, 7 deletions
diff --git a/docs/user-guide.md b/docs/user-guide.md
index ef26f118..184e46ab 100644
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+++ b/docs/user-guide.md
@@ -297,28 +297,40 @@ performed.
certificate generation tool to create new keys in case no valid keys are
present or specified. Allowed options are '0' or '1'. Default is '1'.
+* `SAVE_KEYS`: This option is used when `GENERATE_COT=1`. It tells the
+ certificate generation tool to save the keys used to establish the Chain of
+ Trust. Allowed options are '0' or '1'. Default is '0' (do not save).
+
+ Note: This option depends on 'CREATE_KEYS' to be enabled. If the keys
+ already exist in disk, they will be overwritten without further notice.
+
* `ROT_KEY`: This option is used when `GENERATE_COT=1`. It specifies the
- file that contains the ROT private key in PEM format.
+ file that contains the ROT private key in PEM format. If `SAVE_KEYS=1`, this
+ file name will be used to save the key.
* `TRUSTED_WORLD_KEY`: This option is used when `GENERATE_COT=1`. It
specifies the file that contains the Trusted World private key in PEM
- format.
+ format. If `SAVE_KEYS=1`, this file name will be used to save the key.
* `NON_TRUSTED_WORLD_KEY`: This option is used when `GENERATE_COT=1`. It
specifies the file that contains the Non-Trusted World private key in PEM
- format.
+ format. If `SAVE_KEYS=1`, this file name will be used to save the key.
* `BL30_KEY`: This option is used when `GENERATE_COT=1`. It specifies the
- file that contains the BL3-0 private key in PEM format.
+ file that contains the BL3-0 private key in PEM format. If `SAVE_KEYS=1`,
+ this file name will be used to save the key.
* `BL31_KEY`: This option is used when `GENERATE_COT=1`. It specifies the
- file that contains the BL3-1 private key in PEM format.
+ file that contains the BL3-1 private key in PEM format. If `SAVE_KEYS=1`,
+ this file name will be used to save the key.
* `BL32_KEY`: This option is used when `GENERATE_COT=1`. It specifies the
- file that contains the BL3-2 private key in PEM format.
+ file that contains the BL3-2 private key in PEM format. If `SAVE_KEYS=1`,
+ this file name will be used to save the key.
* `BL33_KEY`: This option is used when `GENERATE_COT=1`. It specifies the
- file that contains the BL3-3 private key in PEM format.
+ file that contains the BL3-3 private key in PEM format. If `SAVE_KEYS=1`,
+ this file name will be used to save the key.
* `PROGRAMMABLE_RESET_ADDRESS`: This option indicates whether the reset
vector address can be programmed or is fixed on the platform. It can take