rsys

commit a0a15fea8438ce7fe4a3e3d5eb22b389b29e0703
parent 9d08bbfbdfcb55d26bd3c70433c6a5ad297007b2
Author: vaplv <vaplv@free.fr>
Date:   Mon, 14 Sep 2020 15:12:12 +0200

Add and test the hash256_eq function

Diffstat:
M
src/hash.c
 | 
6
++++++
M
src/hash.h
 | 
7
++++++-
M
src/test_hash_sha256.c
 | 
13
+++++++++++++

3 files changed, 25 insertions(+), 1 deletion(-)
diff --git a/src/hash.c b/src/hash.c
@@ -184,3 +184,9 @@ hash256_to_cstr(const hash256_T hash, char cstr[65])
   }
 }
 
+int
+hash256_eq(const hash256_T hash0, const hash256_T hash1)
+{
+  return memcmp(hash0, hash1, sizeof(hash256_T)) == 0;
+}
+
diff --git a/src/hash.h b/src/hash.h
@@ -60,7 +60,7 @@ hash_fnv64(const void* data, const size_t len)
   return hash;
 }
 
-BEGIN_DECLS 
+BEGIN_DECLS
 
 RSYS_API res_T
 hash_sha256
@@ -74,6 +74,11 @@ hash256_to_cstr
   (const hash256_T hash,
    char cstr[65]);
 
+RSYS_API int
+hash256_eq
+  (const hash256_T hash0,
+   const hash256_T hash1);
+
 END_DECLS
 
 #endif /* HASH_H */
diff --git a/src/test_hash_sha256.c b/src/test_hash_sha256.c
@@ -13,6 +13,7 @@
  * You should have received a copy of the GNU Lesser General Public License
  * along with the RSys library. If not, see <http://www.gnu.org/licenses/>. */
 
+#include "endianness.h"
 #include "hash.h"
 #include "mem_allocator.h"
 #include <string.h>
@@ -42,6 +43,7 @@ int
 main(int argc, char** argv)
 {
   char* data = NULL;
+  hash256_T hash0, hash1;
   (void)argc, (void)argv;
 
   data = mem_alloc(0x6000003e);
@@ -51,6 +53,17 @@ main(int argc, char** argv)
   chk_hash(data, 0,
     "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855");
 
+  CHK(hash_sha256(&mem_default_allocator, data, 0, hash0) == RES_OK);
+  ((uint32_t*)hash1)[0] = big_endian_32(0xe3b0c442);
+  ((uint32_t*)hash1)[1] = big_endian_32(0x98fc1c14);
+  ((uint32_t*)hash1)[2] = big_endian_32(0x9afbf4c8);
+  ((uint32_t*)hash1)[3] = big_endian_32(0x996fb924);
+  ((uint32_t*)hash1)[4] = big_endian_32(0x27ae41e4);
+  ((uint32_t*)hash1)[5] = big_endian_32(0x649b934c);
+  ((uint32_t*)hash1)[6] = big_endian_32(0xa495991b);
+  ((uint32_t*)hash1)[7] = big_endian_32(0x7852b855);
+  CHK(hash256_eq(hash0, hash1));
+
   sprintf(data, "abc");
   chk_hash(data, strlen(data),
     "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad");