Changed function to accept const key

floodyberry · Apr 29, 2013 · 668b1c1 · 668b1c1
1 parent 6953462
commit 668b1c1
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Showing 4 changed files with 5 additions and 5 deletions.
diff --git a/siphash.c b/siphash.c
@@ -15,7 +15,7 @@ U64TO8_LE(unsigned char *p, const uint64_t v) {
 */
 
 uint64_t
-siphash(unsigned char key[16], const unsigned char *m, size_t len) {
+siphash(const unsigned char key[16], const unsigned char *m, size_t len) {
 	uint64_t v0, v1, v2, v3;
 	uint64_t mi, k0, k1;
 	uint64_t last7;

diff --git a/siphash.h b/siphash.h
@@ -12,7 +12,7 @@
 extern "C" {
 #endif
 
-uint64_t siphash(unsigned char key[16], const unsigned char *m, size_t len);
+uint64_t siphash(const unsigned char key[16], const unsigned char *m, size_t len);
 
 #ifdef __cplusplus /* If this is a C++ compiler, end C linkage */
 }

diff --git a/siphash_sse2.c b/siphash_sse2.c
@@ -11,7 +11,7 @@ static const packedelem64 siphash_final = {
 };
 
 uint64_t
-siphash(unsigned char key[16], const unsigned char *m, size_t len) {
+siphash(const unsigned char key[16], const unsigned char *m, size_t len) {
 	xmmi k,v02,v20,v13,v11,v33,mi;
 	uint64_t last7;
 	uint32_t lo, hi;
@@ -80,4 +80,4 @@ siphash(unsigned char key[16], const unsigned char *m, size_t len) {
 	lo = _mm_cvtsi128_si32(v02);
 	hi = _mm_cvtsi128_si32(_mm_srli_si128(v02, 4));
 	return ((uint64_t)hi << 32) | lo;
-}
+}
diff --git a/siphash_ssse3.c b/siphash_ssse3.c
@@ -15,7 +15,7 @@ static const packedelem8 siphash_rot16v3 = {
 };
 
 uint64_t
-siphash(unsigned char key[16], const unsigned char *m, size_t len) {
+siphash(const unsigned char key[16], const unsigned char *m, size_t len) {
 	xmmi k,v02,v20,v13,v11,v33,mi;
 	uint64_t last7;
 	uint32_t lo, hi;