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Diffstat (limited to 'doc/mkimage.1')
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1 files changed, 16 insertions, 0 deletions
diff --git a/doc/mkimage.1 b/doc/mkimage.1 index 6740fb1..8185ff5 100644 --- a/doc/mkimage.1 +++ b/doc/mkimage.1 @@ -109,6 +109,14 @@ Specifies the directory containing keys to use for signing. This directory should contain a private key file <name>.key for use with signing and a certificate <name>.crt (containing the public key) for use with verification. +.TP +.BI "\-K [" "key_destination" "]" +Specifies a compiled device tree binary file (typically .dtb) to write +public key information into. When a private key is used to sign an image, +the corresponding public key is written into this file for for run-time +verification. Typically the file here is the device tree binary used by +CONFIG_OF_CONTROL in U-Boot. + .SH EXAMPLES List image information: @@ -127,6 +135,14 @@ Create FIT image with compressed PowerPC Linux kernel: .nf .B mkimage -f kernel.its kernel.itb .fi +.P +Create FIT image with compressed kernel and sign it with keys in the +/public/signing-keys directory. Add corresponding public keys into u-boot.dtb, +skipping those for which keys cannot be found. Also add a comment. +.nf +.B mkimage -f kernel.its -k /public/signing-keys -K u-boot.dtb \\\\ +-c "Kernel 3.8 image for production devices" kernel.itb +.fi .SH HOMEPAGE http://www.denx.de/wiki/U-Boot/WebHome |