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-rw-r--r--fs/verity/fsverity_private.h2
-rw-r--r--fs/verity/hash_algs.c5
2 files changed, 6 insertions, 1 deletions
diff --git a/fs/verity/fsverity_private.h b/fs/verity/fsverity_private.h
index eaa2b3b93bbf..02a547f0667c 100644
--- a/fs/verity/fsverity_private.h
+++ b/fs/verity/fsverity_private.h
@@ -29,7 +29,7 @@ struct ahash_request;
* Largest digest size among all hash algorithms supported by fs-verity.
* Currently assumed to be <= size of fsverity_descriptor::root_hash.
*/
-#define FS_VERITY_MAX_DIGEST_SIZE SHA256_DIGEST_SIZE
+#define FS_VERITY_MAX_DIGEST_SIZE SHA512_DIGEST_SIZE
/* A hash algorithm supported by fs-verity */
struct fsverity_hash_alg {
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,
+ },
};
/**