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authorAlberto Gonzalez Iniesta <agi@inittab.org>2013-05-17 12:00:05 +0200
committerAlberto Gonzalez Iniesta <agi@inittab.org>2013-05-17 12:00:05 +0200
commitfcc893c0d8d245525cfb023b6e2a8aae086304cf (patch)
treeaf66f2927d75155db4c5a11ab738ac1f544571f7 /src/openvpn/buffer.h
parent9e3cceecfca10ef806f193ec41e0e0a44706c328 (diff)
Imported Upstream version 2.3.1upstream/2.3.1
Diffstat (limited to 'src/openvpn/buffer.h')
-rw-r--r--src/openvpn/buffer.h18
1 files changed, 8 insertions, 10 deletions
diff --git a/src/openvpn/buffer.h b/src/openvpn/buffer.h
index 5e11de0..93efb09 100644
--- a/src/openvpn/buffer.h
+++ b/src/openvpn/buffer.h
@@ -668,6 +668,10 @@ buf_read_u32 (struct buffer *buf, bool *good)
}
}
+/**
+ * Compare src buffer contents with match.
+ * *NOT* constant time. Do not use when comparing HMACs.
+ */
static inline bool
buf_string_match (const struct buffer *src, const void *match, int size)
{
@@ -676,6 +680,10 @@ buf_string_match (const struct buffer *src, const void *match, int size)
return memcmp (BPTR (src), match, size) == 0;
}
+/**
+ * Compare first size bytes of src buffer contents with match.
+ * *NOT* constant time. Do not use when comparing HMACs.
+ */
static inline bool
buf_string_match_head (const struct buffer *src, const void *match, int size)
{
@@ -689,16 +697,6 @@ bool buf_string_compare_advance (struct buffer *src, const char *match);
int buf_substring_len (const struct buffer *buf, int delim);
/*
- * Bitwise operations
- */
-static inline void
-xor (uint8_t *dest, const uint8_t *src, int len)
-{
- while (len-- > 0)
- *dest++ ^= *src++;
-}
-
-/*
* Print a string which might be NULL
*/
const char *np (const char *str);