From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 17 Aug 2022 09:31:45 +0000 (+0200)
Subject: random-seed: use SHA256_DIGEST_SIZE
X-Git-Tag: v252-rc1~407^2~1
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=00b4663813829ad3391d03383b82eee5d439de70;p=thirdparty%2Fsystemd.git

random-seed: use SHA256_DIGEST_SIZE
---

diff --git a/src/random-seed/random-seed.c b/src/random-seed/random-seed.c
index b265b7f85cd..dedbdb2667b 100644
--- a/src/random-seed/random-seed.c
+++ b/src/random-seed/random-seed.c
@@ -293,7 +293,7 @@ static int run(int argc, char *argv[]) {
                  * and replace the last 32 bytes of the seed with the hash output, so that the
                  * new seed file can't regress in entropy. */
                 if (hashed_old_seed) {
-                        uint8_t hash[32];
+                        uint8_t hash[SHA256_DIGEST_SIZE];
                         sha256_process_bytes(&k, sizeof(k), &hash_state); /* Hash length to distinguish from old seed. */
                         sha256_process_bytes(buf, k, &hash_state);
                         sha256_finish_ctx(&hash_state, hash);