aboutsummaryrefslogtreecommitdiffstats
path: root/crypto/crypto.h
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/crypto.h')
-rw-r--r--crypto/crypto.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/crypto/crypto.h b/crypto/crypto.h
index fc1374fad5f7..6161697cdc5f 100644
--- a/crypto/crypto.h
+++ b/crypto/crypto.h
@@ -591,6 +591,13 @@ int OPENSSL_isservice(void);
#define OPENSSL_HAVE_INIT 1
void OPENSSL_init(void);
+/* CRYPTO_memcmp returns zero iff the |len| bytes at |a| and |b| are equal. It
+ * takes an amount of time dependent on |len|, but independent of the contents
+ * of |a| and |b|. Unlike memcmp, it cannot be used to put elements into a
+ * defined order as the return value when a != b is undefined, other than to be
+ * non-zero. */
+int CRYPTO_memcmp(const void *a, const void *b, size_t len);
+
/* BEGIN ERROR CODES */
/* The following lines are auto generated by the script mkerr.pl. Any changes
* made after this point may be overwritten when the script is next run.