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| author | Baruch Siach <baruch@tkos.co.il> | 2023-05-02 07:47:28 +0300 |
|---|---|---|
| committer | Heinrich Schuchardt <heinrich.schuchardt@canonical.com> | 2023-05-13 11:09:50 +0200 |
| commit | 76759e0086cc3804412fd5f6b330196698753488 (patch) | |
| tree | 6cc3d1640e9ebaac2d4f005b49f8f4f4950eeccb | |
| parent | e94fbdd2729fdcd570035d43f67adda8e0dfc115 (diff) | |
| download | u-boot-76759e0086cc3804412fd5f6b330196698753488.tar.gz | |
doc: signature: update algorithms support description
U-Boot supports more hash and verification algorithms these days.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Reviewed-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | doc/uImage.FIT/signature.txt | 4 |
1 files 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. |