aboutsummaryrefslogtreecommitdiffstats
path: root/c/sha3.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--c/sha3.c75
1 files changed, 36 insertions, 39 deletions
diff --git a/c/sha3.c b/c/sha3.c
index 15cd07c..0edb46c 100644
--- a/c/sha3.c
+++ b/c/sha3.c
@@ -19,24 +19,30 @@
#include "sha3.h"
-#if __x86_64__ || __ppc64__
- #define llong long int
+#ifdef WITH_C99
+ #define static_inline static inline
#else
- #define llong long long int
+ #define static_inline inline
#endif
-
-#define null 0
-#define byte char
-#define boolean long
-#define true 1
-#define false 0
+#define null 0
+#define true 1
+#define false 0
/**
* Round contants
*/
+#ifdef WITH_C99
+static const llong RC[] = {
+ 0x0000000000000001LL, 0x0000000000008082LL, 0x800000000000808ALL, 0x8000000080008000LL,
+ 0x000000000000808BLL, 0x0000000080000001LL, 0x8000000080008081LL, 0x8000000000008009LL,
+ 0x000000000000008ALL, 0x0000000000000088LL, 0x0000000080008009LL, 0x000000008000000ALL,
+ 0x000000008000808BLL, 0x800000000000008BLL, 0x8000000000008089LL, 0x8000000000008003LL,
+ 0x8000000000008002LL, 0x8000000000000080LL, 0x000000000000800ALL, 0x800000008000000ALL,
+ 0x8000000080008081LL, 0x8000000000008080LL, 0x0000000080000001LL, 0x8000000080008008LL};
+#else
static const llong RC[] = {
0x0000000000000001L, 0x0000000000008082L, 0x800000000000808AL, 0x8000000080008000L,
0x000000000000808BL, 0x0000000080000001L, 0x8000000080008081L, 0x8000000000008009L,
@@ -44,6 +50,7 @@ static const llong RC[] = {
0x000000008000808BL, 0x800000000000008BL, 0x8000000000008089L, 0x8000000000008003L,
0x8000000000008002L, 0x8000000000000080L, 0x000000000000800AL, 0x800000008000000AL,
0x8000000080008081L, 0x8000000000008080L, 0x0000000080000001L, 0x8000000080008008L};
+#endif
/**
* Keccak-f round temporary
@@ -139,7 +146,7 @@ static long mlen = 0;
* @param doff The destination array offset
* @param length The number of elements to copy
*/
-inline void arraycopy(byte* src, long soff, byte* dest, long doff, long length)
+static_inline void arraycopy(byte* src, long soff, byte* dest, long doff, long length)
{
long i;
src += soff;
@@ -209,7 +216,7 @@ inline void arraycopy(byte* src, long soff, byte* dest, long doff, long length)
* @param doff The destination array offset
* @param length The number of elements to copy
*/
-inline void revarraycopy(byte* src, long soff, byte* dest, long doff, long length)
+static_inline void revarraycopy(byte* src, long soff, byte* dest, long doff, long length)
{
long copyi;
for (copyi = length - 1; copyi >= 0; copyi--)
@@ -234,7 +241,7 @@ inline void revarraycopy(byte* src, long soff, byte* dest, long doff, long lengt
* @param N:long Rotation steps, may not be 0
* @return :llong The value rotated
*/
-#define rotate64(X, N) ((llong)((unsigned llong)(X) >> (64 - (N))) + ((X) << (N)))
+#define rotate64(X, N) ((llong)((ullong)(X) >> (64 - (N))) + ((X) << (N)))
/**
@@ -243,7 +250,7 @@ inline void revarraycopy(byte* src, long soff, byte* dest, long doff, long lengt
* @param x The value of which to calculate the binary logarithm
* @return The binary logarithm
*/
-static long lb(long x)
+static_inline long lb(long x)
{
long rc = 0;
if ((x & 0xFF00) != 0) { rc += 8; x >>= 8; }
@@ -260,7 +267,7 @@ static long lb(long x)
* @param A The current state
* @param rc Round constant
*/
-static void keccakFRound(llong* A, llong rc)
+static void keccakFRound(llong* restrict A, llong rc)
{
llong da, db, dc, dd, de;
@@ -321,7 +328,7 @@ static void keccakFRound(llong* A, llong rc)
*
* @param A The current state
*/
-static void keccakF(llong* A)
+static void keccakF(llong* restrict A)
{
long i;
if (nr == 24)
@@ -367,7 +374,7 @@ static void keccakF(llong* A)
* @param off The offset in the message
* @return Lane
*/
-inline llong toLane(byte* message, long msglen, long rr, long ww, long off)
+static_inline llong toLane(byte* restrict message, long msglen, long rr, long ww, long off)
{
llong rc = 0;
long n = min(msglen, rr), i;
@@ -386,7 +393,7 @@ inline llong toLane(byte* message, long msglen, long rr, long ww, long off)
* @param off The offset in the message
* @return Lane
*/
-inline llong toLane64(byte* message, long msglen, long rr, long off)
+static_inline llong toLane64(byte* restrict message, long msglen, long rr, long off)
{
long n = min(msglen, rr);
return ((off + 7 < n) ? ((llong)(message[off + 7] & 255) << 56) : 0L) |
@@ -409,7 +416,7 @@ inline llong toLane64(byte* message, long msglen, long rr, long off)
* @param outlen The length of the padded message (out parameter)
* @return The message padded
*/
-inline byte* pad10star1(byte* msg, long len, long r, long* outlen)
+static_inline byte* pad10star1(byte* restrict msg, long len, long r, long* restrict outlen)
{
byte* message;
@@ -422,7 +429,7 @@ inline byte* pad10star1(byte* msg, long len, long r, long* outlen)
if ((r - 8 <= ll) && (ll <= r - 2))
{
- message = (byte*)malloc(len = nrf + 1);
+ message = (byte*)malloc((len = nrf + 1) * sizeof(byte));
message[nrf] = (byte)(b ^ 128);
}
else
@@ -431,7 +438,7 @@ inline byte* pad10star1(byte* msg, long len, long r, long* outlen)
long N;
len = (nrf + 1) << 3;
len = ((len - (len % r) + (r - 8)) >> 3) + 1;
- message = (byte*)malloc(len);
+ message = (byte*)malloc(len * sizeof(byte));
message[nrf] = b;
N = len - nrf - 1;
M = message + nrf + 1;
@@ -525,7 +532,7 @@ extern void initialise(long bitrate, long capacity, long output)
wmod--;
}
S = (llong*)malloc(25 * sizeof(llong));
- M = (byte*)malloc(mlen = (r * b) >> 2);
+ M = (byte*)malloc((mlen = (r * b) >> 2) * sizeof(byte));
mptr = 0;
for (i = 0; i < 25; i++)
@@ -555,7 +562,7 @@ extern void dispose()
* @param msg The partial message
* @param msglen The length of the partial message
*/
-extern void update(byte* msg, long msglen)
+extern void update(byte* restrict msg, long msglen)
{
long rr = r >> 3;
long ww = w >> 3;
@@ -565,16 +572,11 @@ extern void update(byte* msg, long msglen)
long nnn;
if (mptr + msglen > mlen)
- {
- byte* buf = (byte*)malloc(mlen = (mlen + msglen) << 1);
- arraycopy(M, 0, buf, 0, mptr);
- free(M);
- M = buf;
- }
+ M = (byte*)realloc(M, mlen = (mlen + msglen) << 1);
arraycopy(msg, 0, M, mptr, msglen);
len = mptr += msglen;
len -= len % ((r * b) >> 3);
- message = (byte*)malloc(len);
+ message = (byte*)malloc(len * sizeof(byte));
arraycopy(M, 0, message, 0, len);
mptr -= len;
revarraycopy(M, nnn = len, M, 0, mptr);
@@ -622,7 +624,7 @@ extern void update(byte* msg, long msglen)
* @param withReturn Whether to return the hash instead of just do a quick squeeze phrase and return {@code null}
* @return The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false}
*/
-extern byte* digest(byte* msg, long msglen, boolean withReturn)
+extern byte* digest(byte* restrict msg, long msglen, boolean withReturn)
{
byte* message;
byte* _msg;
@@ -638,18 +640,13 @@ extern byte* digest(byte* msg, long msglen, boolean withReturn)
else
{
if (mptr + msglen > mlen)
- {
- byte* buf = (byte*)malloc(mlen += msglen);
- arraycopy(M, 0, buf, 0, mptr);
- free(M);
- M = buf;
- }
+ M = (byte*)realloc(M, mlen += msglen);
arraycopy(msg, 0, M, mptr, msglen);
message = pad10star1(M, mptr + msglen, r, &len);
}
free(M);
M = null;
- rc = (byte*)malloc((n + 7) >> 3);
+ rc = (byte*)malloc(((n + 7) >> 3) * sizeof(byte));
_msg = message;
nnn = len;
@@ -756,7 +753,7 @@ extern void fastSqueeze(long times)
*
* @return The hash sum
*/
-extern byte* squeeze()
+extern byte* squeeze(void)
{
long nn, ww, olen, i, j, ptr, ni;
byte* rc;
@@ -764,7 +761,7 @@ extern byte* squeeze()
keccakF(S); /* Last squeeze did not do a ending squeeze */
ww = w >> 3;
- rc = (byte*)malloc(nn = (n + 7) >> 3);
+ rc = (byte*)malloc((nn = (n + 7) >> 3) * sizeof(byte));
olen = n;
j = ptr = 0;
ni = (25 < r >> 3) ? 25 : (r >> 3);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-06 07:29:45 +0000