From 76759e0086cc3804412fd5f6b330196698753488 Mon Sep 17 00:00:00 2001 From: Baruch Siach Date: Tue, 2 May 2023 07:47:28 +0300 Subject: [PATCH] doc: signature: update algorithms support description U-Boot supports more hash and verification algorithms these days. Signed-off-by: Baruch Siach Reviewed-by: Simon Glass --- doc/uImage.FIT/signature.txt | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/doc/uImage.FIT/signature.txt b/doc/uImage.FIT/signature.txt index c71280b63b..bc123f512f 100644 --- a/doc/uImage.FIT/signature.txt +++ b/doc/uImage.FIT/signature.txt @@ -42,8 +42,8 @@ device. Algorithms ---------- In principle any suitable algorithm can be used to sign and verify a hash. -At present only one class of algorithms is supported: SHA1 hashing with RSA. -This works by hashing the image to produce a 20-byte hash. +U-Boot supports a few hashing and verification algorithms. See below for +details. While it is acceptable to bring in large cryptographic libraries such as openssl on the host side (e.g. mkimage), it is not desirable for U-Boot. -- 2.39.5