From c58cc09cf50a18058efb59e1b4fb73ab1e3a45a2 Mon Sep 17 00:00:00 2001
From: Dimitri Staessens <dimitri@ouroboros.rocks>
Date: Mon, 19 Feb 2024 16:05:59 +0100
Subject: lib: Fix CRC32 hashing

I assumed that all hashes were stored in Big Endian, but apparently
the CRC32 was still in machine endianness when calculated by the
rhash implementation. Fixed and updated hash tests a bit.

Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
---
 src/lib/hash.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/lib/hash.c')

diff --git a/src/lib/hash.c b/src/lib/hash.c
index 995ba0d2..b465f894 100644
--- a/src/lib/hash.c
+++ b/src/lib/hash.c
@@ -29,6 +29,7 @@
 
 #include "config.h"
 
+#include <ouroboros/endian.h>
 #include <ouroboros/hash.h>
 
 #ifdef HAVE_LIBGCRYPT
@@ -90,6 +91,7 @@ void mem_hash(enum hash_algo  algo,
         case HASH_CRC32:
                 memset(dst, 0, CRC32_HASH_LEN);
                 crc32((uint32_t *) dst, buf, len);
+                *(uint32_t *) dst = htobe32(*(uint32_t *) dst);
                 break;
         case HASH_MD5:
                 rhash_md5_init(&md5_ctx);
-- 
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