From add890c9f9d2d1d79184ded72f23b37b164fc673 Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Mon, 22 Jul 2019 09:26:23 -0700 Subject: fs-verity: add SHA-512 support Add SHA-512 support to fs-verity. This is primarily a demonstration of the trivial changes needed to support a new hash algorithm in fs-verity; most users will still use SHA-256, due to the smaller space required to store the hashes. But some users may prefer SHA-512. Reviewed-by: Theodore Ts'o Reviewed-by: Jaegeuk Kim Signed-off-by: Eric Biggers --- fs/verity/hash_algs.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'fs/verity/hash_algs.c') diff --git a/fs/verity/hash_algs.c b/fs/verity/hash_algs.c index 7df1d67742b8..31e6d7d2389a 100644 --- a/fs/verity/hash_algs.c +++ b/fs/verity/hash_algs.c @@ -17,6 +17,11 @@ struct fsverity_hash_alg fsverity_hash_algs[] = { .digest_size = SHA256_DIGEST_SIZE, .block_size = SHA256_BLOCK_SIZE, }, + [FS_VERITY_HASH_ALG_SHA512] = { + .name = "sha512", + .digest_size = SHA512_DIGEST_SIZE, + .block_size = SHA512_BLOCK_SIZE, + }, }; /** -- cgit v1.2.3