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Diffstat (limited to 'Kconfig')
| -rw-r--r-- | Kconfig | 13 |
1 files changed, 13 insertions, 0 deletions
@@ -157,6 +157,19 @@ config FIT if FIT +config FIT_ENABLE_SHA256_SUPPORT + bool "Support SHA256 checksum of FIT image contents" + default y + help + Enable this to support SHA256 checksum of FIT image contents. A + SHA256 checksum is a 256-bit (32-byte) hash value used to check that + the image contents have not been corrupted. SHA256 is recommended + for use in secure applications since (as at 2016) there is no known + feasible attack that could produce a 'collision' with differing + input data. Use this for the highest security. Note that only the + SHA256 variant is supported: SHA512 and others are not currently + supported in U-Boot. + config FIT_SIGNATURE bool "Enable signature verification of FIT uImages" depends on DM |