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Fix typo, from Stepan Kasal <kasal@ucw.cz>.
[gnulib.git]
/
lib
/
hmac-md5.c
diff --git
a/lib/hmac-md5.c
b/lib/hmac-md5.c
index
ecd0714
..
816762b
100644
(file)
--- a/
lib/hmac-md5.c
+++ b/
lib/hmac-md5.c
@@
-41,6
+41,8
@@
hmac_md5 (const void *key, size_t keylen,
char block[64];
char innerhash[16];
char block[64];
char innerhash[16];
+ /* Reduce the key's size, so that it becomes <= 64 bytes large. */
+
if (keylen > 64)
{
struct md5_ctx keyhash;
if (keylen > 64)
{
struct md5_ctx keyhash;
@@
-53,6
+55,8
@@
hmac_md5 (const void *key, size_t keylen,
keylen = 16;
}
keylen = 16;
}
+ /* Compute INNERHASH from KEY and IN. */
+
md5_init_ctx (&inner);
memset (block, IPAD, sizeof (block));
md5_init_ctx (&inner);
memset (block, IPAD, sizeof (block));
@@
-63,6
+67,8
@@
hmac_md5 (const void *key, size_t keylen,
md5_finish_ctx (&inner, innerhash);
md5_finish_ctx (&inner, innerhash);
+ /* Compute result from KEY and INNERHASH. */
+
md5_init_ctx (&outer);
memset (block, OPAD, sizeof (block));
md5_init_ctx (&outer);
memset (block, OPAD, sizeof (block));