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Diffstat (limited to 'doc')
-rw-r--r-- | doc/uImage.FIT/signature.txt | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/uImage.FIT/signature.txt b/doc/uImage.FIT/signature.txt index 0139295d334..d9a91211903 100644 --- a/doc/uImage.FIT/signature.txt +++ b/doc/uImage.FIT/signature.txt @@ -472,6 +472,19 @@ Test Verified Boot Run: signed config with bad hash: OK Test passed +Software signing: keydir vs keyfile +----------------------------------- + +In the simplest case, signing is done by giving mkimage the 'keyfile'. This is +the path to a file containing the signing key. + +The alternative is to pass the 'keydir' argument. In this case the filename of +the key is derived from the 'keydir' and the "key-name-hint" property in the +FIT. In this case the "key-name-hint" property is mandatory, and the key must +exist in "<keydir>/<key-name-hint>.<ext>" Here the extension "ext" is +specific to the signing algorithm. + + Hardware Signing with PKCS#11 or with HSM ----------------------------------------- |