aboutsummaryrefslogtreecommitdiffstats
path: root/c/sha3.c
diff options
context:
space:
mode:
Diffstat (limited to 'c/sha3.c')
-rw-r--r--c/sha3.c446
1 files changed, 229 insertions, 217 deletions
diff --git a/c/sha3.c b/c/sha3.c
index 909c9e7..ba81e5a 100644
--- a/c/sha3.c
+++ b/c/sha3.c
@@ -16,6 +16,8 @@
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <stdlib.h>
+
#if __x86_64__ || __ppc64__
#define llong long int
@@ -31,6 +33,11 @@
#define false 0
+#define min(X, Y) ((X) < (Y) ? (X) : (Y))
+#define arraycopy(src, soff, dest, doff, lenght) {long copyi; for (copyi = 0; copyi < lenght; copyi++) dest[copyi + soff] = src[copyi + doff];}
+
+
+
/**
* Round contants
*/
@@ -161,86 +168,87 @@ static long lb(long x)
*/
static void keccakFRound(llong* A, llong rc)
{
- /* θ step (step 1 of 3) */
- for (long i = 0, j = 0; i < 5; i++, j += 5)
- SHA3.C[i] = (A[j] ^ A[j + 1]) ^ (A[j + 2] ^ A[j + 3]) ^ A[j + 4];
-
llong da, db, dc, dd, de;
+ long i, j;
+
+ /* θ step (step 1 of 3) */
+ for (i = 0, j = 0; i < 5; i++, j += 5)
+ C[i] = (A[j] ^ A[j + 1]) ^ (A[j + 2] ^ A[j + 3]) ^ A[j + 4];
- if (SHA3.w == 64)
+ if (w == 64)
{
/* ρ and π steps, with last two part of θ */
- SHA3.B[0] = A[ 0] ^ (da = SHA3.C[4] ^ SHA3.rotate64(SHA3.C[1], 1));
- SHA3.B[1] = SHA3.rotate64(A[15] ^ (dd = SHA3.C[2] ^ SHA3.rotate64(SHA3.C[4], 1)), 28);
- SHA3.B[2] = SHA3.rotate64(A[ 5] ^ (db = SHA3.C[0] ^ SHA3.rotate64(SHA3.C[2], 1)), 1);
- SHA3.B[3] = SHA3.rotate64(A[20] ^ (de = SHA3.C[3] ^ SHA3.rotate64(SHA3.C[0], 1)), 27);
- SHA3.B[4] = SHA3.rotate64(A[10] ^ (dc = SHA3.C[1] ^ SHA3.rotate64(SHA3.C[3], 1)), 62);
+ B[0] = A[ 0] ^ (da = C[4] ^ rotate64(C[1], 1));
+ B[1] = rotate64(A[15] ^ (dd = C[2] ^ rotate64(C[4], 1)), 28);
+ B[2] = rotate64(A[ 5] ^ (db = C[0] ^ rotate64(C[2], 1)), 1);
+ B[3] = rotate64(A[20] ^ (de = C[3] ^ rotate64(C[0], 1)), 27);
+ B[4] = rotate64(A[10] ^ (dc = C[1] ^ rotate64(C[3], 1)), 62);
- SHA3.B[5] = SHA3.rotate64(A[ 6] ^ db, 44);
- SHA3.B[6] = SHA3.rotate64(A[21] ^ de, 20);
- SHA3.B[7] = SHA3.rotate64(A[11] ^ dc, 6);
- SHA3.B[8] = SHA3.rotate64(A[ 1] ^ da, 36);
- SHA3.B[9] = SHA3.rotate64(A[16] ^ dd, 55);
+ B[5] = rotate64(A[ 6] ^ db, 44);
+ B[6] = rotate64(A[21] ^ de, 20);
+ B[7] = rotate64(A[11] ^ dc, 6);
+ B[8] = rotate64(A[ 1] ^ da, 36);
+ B[9] = rotate64(A[16] ^ dd, 55);
- SHA3.B[10] = SHA3.rotate64(A[12] ^ dc, 43);
- SHA3.B[11] = SHA3.rotate64(A[ 2] ^ da, 3);
- SHA3.B[12] = SHA3.rotate64(A[17] ^ dd, 25);
- SHA3.B[13] = SHA3.rotate64(A[ 7] ^ db, 10);
- SHA3.B[14] = SHA3.rotate64(A[22] ^ de, 39);
+ B[10] = rotate64(A[12] ^ dc, 43);
+ B[11] = rotate64(A[ 2] ^ da, 3);
+ B[12] = rotate64(A[17] ^ dd, 25);
+ B[13] = rotate64(A[ 7] ^ db, 10);
+ B[14] = rotate64(A[22] ^ de, 39);
- SHA3.B[15] = SHA3.rotate64(A[18] ^ dd, 21);
- SHA3.B[16] = SHA3.rotate64(A[ 8] ^ db, 45);
- SHA3.B[17] = SHA3.rotate64(A[23] ^ de, 8);
- SHA3.B[18] = SHA3.rotate64(A[13] ^ dc, 15);
- SHA3.B[19] = SHA3.rotate64(A[ 3] ^ da, 41);
+ B[15] = rotate64(A[18] ^ dd, 21);
+ B[16] = rotate64(A[ 8] ^ db, 45);
+ B[17] = rotate64(A[23] ^ de, 8);
+ B[18] = rotate64(A[13] ^ dc, 15);
+ B[19] = rotate64(A[ 3] ^ da, 41);
- SHA3.B[20] = SHA3.rotate64(A[24] ^ de, 14);
- SHA3.B[21] = SHA3.rotate64(A[14] ^ dc, 61);
- SHA3.B[22] = SHA3.rotate64(A[ 4] ^ da, 18);
- SHA3.B[23] = SHA3.rotate64(A[19] ^ dd, 56);
- SHA3.B[24] = SHA3.rotate64(A[ 9] ^ db, 2);
+ B[20] = rotate64(A[24] ^ de, 14);
+ B[21] = rotate64(A[14] ^ dc, 61);
+ B[22] = rotate64(A[ 4] ^ da, 18);
+ B[23] = rotate64(A[19] ^ dd, 56);
+ B[24] = rotate64(A[ 9] ^ db, 2);
}
else
{
/* ρ and π steps, with last two part of θ */
- SHA3.B[0] = A[ 0] ^ (da = SHA3.C[4] ^ SHA3.rotate(SHA3.C[1], 1));
- SHA3.B[1] = SHA3.rotate(A[15] ^ (dd = SHA3.C[2] ^ SHA3.rotate(SHA3.C[4], 1)), 28);
- SHA3.B[2] = SHA3.rotate(A[ 5] ^ (db = SHA3.C[0] ^ SHA3.rotate(SHA3.C[2], 1)), 1);
- SHA3.B[3] = SHA3.rotate(A[20] ^ (de = SHA3.C[3] ^ SHA3.rotate(SHA3.C[0], 1)), 27);
- SHA3.B[4] = SHA3.rotate(A[10] ^ (dc = SHA3.C[1] ^ SHA3.rotate(SHA3.C[3], 1)), 62);
+ B[0] = A[ 0] ^ (da = C[4] ^ rotate(C[1], 1));
+ B[1] = rotate(A[15] ^ (dd = C[2] ^ rotate(C[4], 1)), 28);
+ B[2] = rotate(A[ 5] ^ (db = C[0] ^ rotate(C[2], 1)), 1);
+ B[3] = rotate(A[20] ^ (de = C[3] ^ rotate(C[0], 1)), 27);
+ B[4] = rotate(A[10] ^ (dc = C[1] ^ rotate(C[3], 1)), 62);
- SHA3.B[5] = SHA3.rotate(A[ 6] ^ db, 44);
- SHA3.B[6] = SHA3.rotate(A[21] ^ de, 20);
- SHA3.B[7] = SHA3.rotate(A[11] ^ dc, 6);
- SHA3.B[8] = SHA3.rotate(A[ 1] ^ da, 36);
- SHA3.B[9] = SHA3.rotate(A[16] ^ dd, 55);
+ B[5] = rotate(A[ 6] ^ db, 44);
+ B[6] = rotate(A[21] ^ de, 20);
+ B[7] = rotate(A[11] ^ dc, 6);
+ B[8] = rotate(A[ 1] ^ da, 36);
+ B[9] = rotate(A[16] ^ dd, 55);
- SHA3.B[10] = SHA3.rotate(A[12] ^ dc, 43);
- SHA3.B[11] = SHA3.rotate(A[ 2] ^ da, 3);
- SHA3.B[12] = SHA3.rotate(A[17] ^ dd, 25);
- SHA3.B[13] = SHA3.rotate(A[ 7] ^ db, 10);
- SHA3.B[14] = SHA3.rotate(A[22] ^ de, 39);
+ B[10] = rotate(A[12] ^ dc, 43);
+ B[11] = rotate(A[ 2] ^ da, 3);
+ B[12] = rotate(A[17] ^ dd, 25);
+ B[13] = rotate(A[ 7] ^ db, 10);
+ B[14] = rotate(A[22] ^ de, 39);
- SHA3.B[15] = SHA3.rotate(A[18] ^ dd, 21);
- SHA3.B[16] = SHA3.rotate(A[ 8] ^ db, 45);
- SHA3.B[17] = SHA3.rotate(A[23] ^ de, 8);
- SHA3.B[18] = SHA3.rotate(A[13] ^ dc, 15);
- SHA3.B[19] = SHA3.rotate(A[ 3] ^ da, 41);
+ B[15] = rotate(A[18] ^ dd, 21);
+ B[16] = rotate(A[ 8] ^ db, 45);
+ B[17] = rotate(A[23] ^ de, 8);
+ B[18] = rotate(A[13] ^ dc, 15);
+ B[19] = rotate(A[ 3] ^ da, 41);
- SHA3.B[20] = SHA3.rotate(A[24] ^ de, 14);
- SHA3.B[21] = SHA3.rotate(A[14] ^ dc, 61);
- SHA3.B[22] = SHA3.rotate(A[ 4] ^ da, 18);
- SHA3.B[23] = SHA3.rotate(A[19] ^ dd, 56);
- SHA3.B[24] = SHA3.rotate(A[ 9] ^ db, 2);
+ B[20] = rotate(A[24] ^ de, 14);
+ B[21] = rotate(A[14] ^ dc, 61);
+ B[22] = rotate(A[ 4] ^ da, 18);
+ B[23] = rotate(A[19] ^ dd, 56);
+ B[24] = rotate(A[ 9] ^ db, 2);
}
/* ξ step */
- for (long i = 0; i < 15; i++)
- A[i ] = SHA3.B[i ] ^ ((~(SHA3.B[i + 5])) & SHA3.B[i + 10]);
- for (long i = 0; i < 5; i++)
+ for (i = 0; i < 15; i++)
+ A[i ] = B[i ] ^ ((~(B[i + 5])) & B[i + 10]);
+ for (i = 0; i < 5; i++)
{
- A[i + 15] = SHA3.B[i + 15] ^ ((~(SHA3.B[i + 20])) & SHA3.B[i ]);
- A[i + 20] = SHA3.B[i + 20] ^ ((~(SHA3.B[i ])) & SHA3.B[i + 5]);
+ A[i + 15] = B[i + 15] ^ ((~(B[i + 20])) & B[i ]);
+ A[i + 20] = B[i + 20] ^ ((~(B[i ])) & B[i + 5]);
}
/* ι step */
@@ -255,12 +263,13 @@ static void keccakFRound(llong* A, llong rc)
*/
static void keccakF(llong* A)
{
- if (SHA3.nr == 24)
- for (long i = 0; i < SHA3.nr; i++)
- SHA3.keccakFRound(A, SHA3.RC[i]);
+ long i;
+ if (nr == 24)
+ for (i = 0; i < nr; i++)
+ keccakFRound(A, RC[i]);
else
- for (long i = 0; i < SHA3.nr; i++)
- SHA3.keccakFRound(A, SHA3.RC[i] & SHA3.wmod);
+ for (i = 0; i < nr; i++)
+ keccakFRound(A, RC[i] & wmod);
}
@@ -276,8 +285,8 @@ static void keccakF(llong* A)
static llong toLane(byte* message, long rr, long ww, long off)
{
llong rc = 0;
- long n = Math.min(message.length, rr);
- for (long i = off + ww - 1; i >= off; i--)
+ long n = min(message.length, rr), i;
+ for (i = off + ww - 1; i >= off; i--)
rc = (rc << 8) | ((i < n) ? (llong)(message[i] & 255) : 0L);
return rc;
}
@@ -293,7 +302,7 @@ static llong toLane(byte* message, long rr, long ww, long off)
*/
static llong toLane64(byte* message, long rr, long off)
{
- long n = Math.min(message.length, rr);
+ long n = min(message.length, rr);
return ((off + 7 < n) ? ((llong)(message[off + 7] & 255) << 56) : 0L) |
((off + 6 < n) ? ((llong)(message[off + 6] & 255) << 48) : 0L) |
((off + 5 < n) ? ((llong)(message[off + 5] & 255) << 40) : 0L) |
@@ -318,26 +327,27 @@ static byte* pad10star1(byte* msg, long len, long r)
long nrf = len >> 3;
long nbrf = len & 7;
long ll = len % r;
+ long i;
byte b = (byte)(nbrf == 0 ? 1 : ((msg[nrf] >> (8 - nbrf)) | (1 << nbrf)));
byte* message;
if ((r - 8 <= ll) && (ll <= r - 2))
{
- message = new byte[len = nrf + 1];
+ message = (byte*)malloc(len = nrf + 1);
message[nrf] = (byte)(b ^ 128);
}
else
{
len = (nrf + 1) << 3;
len = ((len - (len % r) + (r - 8)) >> 3) + 1;
- message = new byte[len];
+ message = (byte*)malloc(len);
message[nrf] = b;
- //for (llong i = nrf + 1; i < len; i++)
- // message[i + nrf] = 0;
+ for (i = nrf + 1; i < len; i++)
+ message[i + nrf] = 0;
message[len - 1] = -128;
}
- System.arraycopy(msg, 0, message, 0, nrf);
+ arraycopy(msg, 0, message, 0, nrf);
return message;
}
@@ -352,17 +362,17 @@ static byte* pad10star1(byte* msg, long len, long r)
*/
extern void initialise(long r, long c, long n)
{
- SHA3.r = r;
- SHA3.c = c;
- SHA3.n = n;
- SHA3.b = r + c;
- SHA3.w = SHA3.b / 25;
- SHA3.l = SHA3.lb(SHA3.w);
- SHA3.nr = 12 + (SHA3.l << 1);
- SHA3.wmod = (1L << SHA3.w) - 1L;
- SHA3.S = new llong[25];
- SHA3.M = new byte[(SHA3.r * SHA3.b) >> 2];
- SHA3.mptr = 0;
+ r = r;
+ c = c;
+ n = n;
+ b = r + c;
+ w = b / 25;
+ l = lb(w);
+ nr = 12 + (l << 1);
+ wmod = (1L << w) - 1L;
+ S = (llong*)malloc(25 * sizeof(llong));
+ M = (byte*)malloc((r * b) >> 2);
+ mptr = 0;
}
@@ -385,78 +395,79 @@ extern void update(byte* msg)
*/
extern void update(byte* msg, long msglen)
{
- long rr = SHA3.r >> 3;
- long ww = SHA3.w >> 3;
+ long rr = r >> 3;
+ long ww = w >> 3;
+ long i;
- if (SHA3.mptr + msglen > SHA3.M.length)
- System.arraycopy(SHA3.M, 0, SHA3.M = new byte[(SHA3.M.length + msglen) << 1], 0, SHA3.mptr);
- System.arraycopy(msg, 0, SHA3.M, SHA3.mptr, msglen);
- long len = SHA3.mptr += msglen;
- len -= len % ((SHA3.r * SHA3.b) >> 3);
- byte* message;
- System.arraycopy(SHA3.M, 0, message = new byte[len], 0, len);
- System.arraycopy(SHA3.M, len, SHA3.M, 0, SHA3.mptr -= len);
+ if (mptr + msglen > M.length)
+ System.arraycopy(M, 0, M = new byte[(M.length + msglen) << 1], 0, mptr);
+ arraycopy(msg, 0, M, mptr, msglen);
+ long len = mptr += msglen;
+ len -= len % ((r * b) >> 3);
+ byte* message = (byte*)malloc(len);
+ arraycopy(M, 0, message, 0, len);
+ System.arraycopy(M, len, M, 0, mptr -= len);
/* Absorbing phase */
if (ww == 8)
- for (long i = 0; i < len; i += rr)
+ for (i = 0; i < len; i += rr)
{
- SHA3.S[ 0] ^= SHA3.toLane64(message, rr, i + 0);
- SHA3.S[ 5] ^= SHA3.toLane64(message, rr, i + 8);
- SHA3.S[10] ^= SHA3.toLane64(message, rr, i + 16);
- SHA3.S[15] ^= SHA3.toLane64(message, rr, i + 24);
- SHA3.S[20] ^= SHA3.toLane64(message, rr, i + 32);
- SHA3.S[ 1] ^= SHA3.toLane64(message, rr, i + 40);
- SHA3.S[ 6] ^= SHA3.toLane64(message, rr, i + 48);
- SHA3.S[11] ^= SHA3.toLane64(message, rr, i + 56);
- SHA3.S[16] ^= SHA3.toLane64(message, rr, i + 64);
- SHA3.S[21] ^= SHA3.toLane64(message, rr, i + 72);
- SHA3.S[ 2] ^= SHA3.toLane64(message, rr, i + 80);
- SHA3.S[ 7] ^= SHA3.toLane64(message, rr, i + 88);
- SHA3.S[12] ^= SHA3.toLane64(message, rr, i + 96);
- SHA3.S[17] ^= SHA3.toLane64(message, rr, i + 104);
- SHA3.S[22] ^= SHA3.toLane64(message, rr, i + 112);
- SHA3.S[ 3] ^= SHA3.toLane64(message, rr, i + 120);
- SHA3.S[ 8] ^= SHA3.toLane64(message, rr, i + 128);
- SHA3.S[13] ^= SHA3.toLane64(message, rr, i + 136);
- SHA3.S[18] ^= SHA3.toLane64(message, rr, i + 144);
- SHA3.S[23] ^= SHA3.toLane64(message, rr, i + 152);
- SHA3.S[ 4] ^= SHA3.toLane64(message, rr, i + 160);
- SHA3.S[ 9] ^= SHA3.toLane64(message, rr, i + 168);
- SHA3.S[14] ^= SHA3.toLane64(message, rr, i + 176);
- SHA3.S[19] ^= SHA3.toLane64(message, rr, i + 184);
- SHA3.S[24] ^= SHA3.toLane64(message, rr, i + 192);
- SHA3.keccakF(SHA3.S);
+ S[ 0] ^= toLane64(message, rr, i + 0);
+ S[ 5] ^= toLane64(message, rr, i + 8);
+ S[10] ^= toLane64(message, rr, i + 16);
+ S[15] ^= toLane64(message, rr, i + 24);
+ S[20] ^= toLane64(message, rr, i + 32);
+ S[ 1] ^= toLane64(message, rr, i + 40);
+ S[ 6] ^= toLane64(message, rr, i + 48);
+ S[11] ^= toLane64(message, rr, i + 56);
+ S[16] ^= toLane64(message, rr, i + 64);
+ S[21] ^= toLane64(message, rr, i + 72);
+ S[ 2] ^= toLane64(message, rr, i + 80);
+ S[ 7] ^= toLane64(message, rr, i + 88);
+ S[12] ^= toLane64(message, rr, i + 96);
+ S[17] ^= toLane64(message, rr, i + 104);
+ S[22] ^= toLane64(message, rr, i + 112);
+ S[ 3] ^= toLane64(message, rr, i + 120);
+ S[ 8] ^= toLane64(message, rr, i + 128);
+ S[13] ^= toLane64(message, rr, i + 136);
+ S[18] ^= toLane64(message, rr, i + 144);
+ S[23] ^= toLane64(message, rr, i + 152);
+ S[ 4] ^= toLane64(message, rr, i + 160);
+ S[ 9] ^= toLane64(message, rr, i + 168);
+ S[14] ^= toLane64(message, rr, i + 176);
+ S[19] ^= toLane64(message, rr, i + 184);
+ S[24] ^= toLane64(message, rr, i + 192);
+ keccakF(S);
}
else
- for (long i = 0; i < len; i += rr)
+ for (i = 0; i < len; i += rr)
{
- SHA3.S[ 0] ^= SHA3.toLane(message, rr, ww, i + 0 );
- SHA3.S[ 5] ^= SHA3.toLane(message, rr, ww, i + w);
- SHA3.S[10] ^= SHA3.toLane(message, rr, ww, i + 2 * w);
- SHA3.S[15] ^= SHA3.toLane(message, rr, ww, i + 3 * w);
- SHA3.S[20] ^= SHA3.toLane(message, rr, ww, i + 4 * w);
- SHA3.S[ 1] ^= SHA3.toLane(message, rr, ww, i + 5 * w);
- SHA3.S[ 6] ^= SHA3.toLane(message, rr, ww, i + 6 * w);
- SHA3.S[11] ^= SHA3.toLane(message, rr, ww, i + 7 * w);
- SHA3.S[16] ^= SHA3.toLane(message, rr, ww, i + 8 * w);
- SHA3.S[21] ^= SHA3.toLane(message, rr, ww, i + 9 * w);
- SHA3.S[ 2] ^= SHA3.toLane(message, rr, ww, i + 10 * w);
- SHA3.S[ 7] ^= SHA3.toLane(message, rr, ww, i + 11 * w);
- SHA3.S[12] ^= SHA3.toLane(message, rr, ww, i + 12 * w);
- SHA3.S[17] ^= SHA3.toLane(message, rr, ww, i + 13 * w);
- SHA3.S[22] ^= SHA3.toLane(message, rr, ww, i + 14 * w);
- SHA3.S[ 3] ^= SHA3.toLane(message, rr, ww, i + 15 * w);
- SHA3.S[ 8] ^= SHA3.toLane(message, rr, ww, i + 16 * w);
- SHA3.S[13] ^= SHA3.toLane(message, rr, ww, i + 17 * w);
- SHA3.S[18] ^= SHA3.toLane(message, rr, ww, i + 18 * w);
- SHA3.S[23] ^= SHA3.toLane(message, rr, ww, i + 19 * w);
- SHA3.S[ 4] ^= SHA3.toLane(message, rr, ww, i + 20 * w);
- SHA3.S[ 9] ^= SHA3.toLane(message, rr, ww, i + 21 * w);
- SHA3.S[14] ^= SHA3.toLane(message, rr, ww, i + 22 * w);
- SHA3.S[19] ^= SHA3.toLane(message, rr, ww, i + 23 * w);
- SHA3.S[24] ^= SHA3.toLane(message, rr, ww, i + 24 * w);
- SHA3.keccakF(SHA3.S);
+ S[ 0] ^= toLane(message, rr, ww, i + 0 );
+ S[ 5] ^= toLane(message, rr, ww, i + w);
+ S[10] ^= toLane(message, rr, ww, i + 2 * w);
+ S[15] ^= toLane(message, rr, ww, i + 3 * w);
+ S[20] ^= toLane(message, rr, ww, i + 4 * w);
+ S[ 1] ^= toLane(message, rr, ww, i + 5 * w);
+ S[ 6] ^= toLane(message, rr, ww, i + 6 * w);
+ S[11] ^= toLane(message, rr, ww, i + 7 * w);
+ S[16] ^= toLane(message, rr, ww, i + 8 * w);
+ S[21] ^= toLane(message, rr, ww, i + 9 * w);
+ S[ 2] ^= toLane(message, rr, ww, i + 10 * w);
+ S[ 7] ^= toLane(message, rr, ww, i + 11 * w);
+ S[12] ^= toLane(message, rr, ww, i + 12 * w);
+ S[17] ^= toLane(message, rr, ww, i + 13 * w);
+ S[22] ^= toLane(message, rr, ww, i + 14 * w);
+ S[ 3] ^= toLane(message, rr, ww, i + 15 * w);
+ S[ 8] ^= toLane(message, rr, ww, i + 16 * w);
+ S[13] ^= toLane(message, rr, ww, i + 17 * w);
+ S[18] ^= toLane(message, rr, ww, i + 18 * w);
+ S[23] ^= toLane(message, rr, ww, i + 19 * w);
+ S[ 4] ^= toLane(message, rr, ww, i + 20 * w);
+ S[ 9] ^= toLane(message, rr, ww, i + 21 * w);
+ S[14] ^= toLane(message, rr, ww, i + 22 * w);
+ S[19] ^= toLane(message, rr, ww, i + 23 * w);
+ S[24] ^= toLane(message, rr, ww, i + 24 * w);
+ keccakF(S);
}
}
@@ -491,95 +502,96 @@ extern byte* digest(byte* msg, long msglen)
{
byte* message;
if ((msg == null) || (msglen == 0))
- message = SHA3.pad10star1(SHA3.M, SHA3.mptr, SHA3.r);
+ message = pad10star1(M, mptr, r);
else
{
- if (SHA3.mptr + msglen > SHA3.M.length)
- System.arraycopy(SHA3.M, 0, SHA3.M = new byte[SHA3.M.length + msglen], 0, SHA3.mptr);
- System.arraycopy(msg, 0, SHA3.M, SHA3.mptr, msglen);
- message = SHA3.pad10star1(SHA3.M, SHA3.mptr + msglen, SHA3.r);
+ if (mptr + msglen > M.length)
+ System.arraycopy(M, 0, M = new byte[M.length + msglen], 0, mptr);
+ arraycopy(msg, 0, M, mptr, msglen);
+ message = pad10star1(M, mptr + msglen, r);
}
- SHA3.M = null;
+ M = null;
long len = message.length;
- byte* rc = new byte[(SHA3.n + 7) >> 3];
+ byte* rc = (byte*)malloc((n + 7) >> 3);
long ptr = 0;
- long rr = SHA3.r >> 3;
- long nn = SHA3.n >> 3;
- long ww = SHA3.w >> 3;
+ long rr = r >> 3;
+ long nn = n >> 3;
+ long ww = w >> 3;
+ long i;
/* Absorbing phase */
if (ww == 8)
- for (long i = 0; i < len; i += rr)
+ for (i = 0; i < len; i += rr)
{
- SHA3.S[ 0] ^= SHA3.toLane64(message, rr, i + 0);
- SHA3.S[ 5] ^= SHA3.toLane64(message, rr, i + 8);
- SHA3.S[10] ^= SHA3.toLane64(message, rr, i + 16);
- SHA3.S[15] ^= SHA3.toLane64(message, rr, i + 24);
- SHA3.S[20] ^= SHA3.toLane64(message, rr, i + 32);
- SHA3.S[ 1] ^= SHA3.toLane64(message, rr, i + 40);
- SHA3.S[ 6] ^= SHA3.toLane64(message, rr, i + 48);
- SHA3.S[11] ^= SHA3.toLane64(message, rr, i + 56);
- SHA3.S[16] ^= SHA3.toLane64(message, rr, i + 64);
- SHA3.S[21] ^= SHA3.toLane64(message, rr, i + 72);
- SHA3.S[ 2] ^= SHA3.toLane64(message, rr, i + 80);
- SHA3.S[ 7] ^= SHA3.toLane64(message, rr, i + 88);
- SHA3.S[12] ^= SHA3.toLane64(message, rr, i + 96);
- SHA3.S[17] ^= SHA3.toLane64(message, rr, i + 104);
- SHA3.S[22] ^= SHA3.toLane64(message, rr, i + 112);
- SHA3.S[ 3] ^= SHA3.toLane64(message, rr, i + 120);
- SHA3.S[ 8] ^= SHA3.toLane64(message, rr, i + 128);
- SHA3.S[13] ^= SHA3.toLane64(message, rr, i + 136);
- SHA3.S[18] ^= SHA3.toLane64(message, rr, i + 144);
- SHA3.S[23] ^= SHA3.toLane64(message, rr, i + 152);
- SHA3.S[ 4] ^= SHA3.toLane64(message, rr, i + 160);
- SHA3.S[ 9] ^= SHA3.toLane64(message, rr, i + 168);
- SHA3.S[14] ^= SHA3.toLane64(message, rr, i + 176);
- SHA3.S[19] ^= SHA3.toLane64(message, rr, i + 184);
- SHA3.S[24] ^= SHA3.toLane64(message, rr, i + 192);
- SHA3.keccakF(SHA3.S);
+ S[ 0] ^= toLane64(message, rr, i + 0);
+ S[ 5] ^= toLane64(message, rr, i + 8);
+ S[10] ^= toLane64(message, rr, i + 16);
+ S[15] ^= toLane64(message, rr, i + 24);
+ S[20] ^= toLane64(message, rr, i + 32);
+ S[ 1] ^= toLane64(message, rr, i + 40);
+ S[ 6] ^= toLane64(message, rr, i + 48);
+ S[11] ^= toLane64(message, rr, i + 56);
+ S[16] ^= toLane64(message, rr, i + 64);
+ S[21] ^= toLane64(message, rr, i + 72);
+ S[ 2] ^= toLane64(message, rr, i + 80);
+ S[ 7] ^= toLane64(message, rr, i + 88);
+ S[12] ^= toLane64(message, rr, i + 96);
+ S[17] ^= toLane64(message, rr, i + 104);
+ S[22] ^= toLane64(message, rr, i + 112);
+ S[ 3] ^= toLane64(message, rr, i + 120);
+ S[ 8] ^= toLane64(message, rr, i + 128);
+ S[13] ^= toLane64(message, rr, i + 136);
+ S[18] ^= toLane64(message, rr, i + 144);
+ S[23] ^= toLane64(message, rr, i + 152);
+ S[ 4] ^= toLane64(message, rr, i + 160);
+ S[ 9] ^= toLane64(message, rr, i + 168);
+ S[14] ^= toLane64(message, rr, i + 176);
+ S[19] ^= toLane64(message, rr, i + 184);
+ S[24] ^= toLane64(message, rr, i + 192);
+ keccakF(S);
}
else
- for (long i = 0; i < len; i += rr)
+ for (i = 0; i < len; i += rr)
{
- SHA3.S[ 0] ^= SHA3.toLane(message, rr, ww, i + 0 );
- SHA3.S[ 5] ^= SHA3.toLane(message, rr, ww, i + w);
- SHA3.S[10] ^= SHA3.toLane(message, rr, ww, i + 2 * w);
- SHA3.S[15] ^= SHA3.toLane(message, rr, ww, i + 3 * w);
- SHA3.S[20] ^= SHA3.toLane(message, rr, ww, i + 4 * w);
- SHA3.S[ 1] ^= SHA3.toLane(message, rr, ww, i + 5 * w);
- SHA3.S[ 6] ^= SHA3.toLane(message, rr, ww, i + 6 * w);
- SHA3.S[11] ^= SHA3.toLane(message, rr, ww, i + 7 * w);
- SHA3.S[16] ^= SHA3.toLane(message, rr, ww, i + 8 * w);
- SHA3.S[21] ^= SHA3.toLane(message, rr, ww, i + 9 * w);
- SHA3.S[ 2] ^= SHA3.toLane(message, rr, ww, i + 10 * w);
- SHA3.S[ 7] ^= SHA3.toLane(message, rr, ww, i + 11 * w);
- SHA3.S[12] ^= SHA3.toLane(message, rr, ww, i + 12 * w);
- SHA3.S[17] ^= SHA3.toLane(message, rr, ww, i + 13 * w);
- SHA3.S[22] ^= SHA3.toLane(message, rr, ww, i + 14 * w);
- SHA3.S[ 3] ^= SHA3.toLane(message, rr, ww, i + 15 * w);
- SHA3.S[ 8] ^= SHA3.toLane(message, rr, ww, i + 16 * w);
- SHA3.S[13] ^= SHA3.toLane(message, rr, ww, i + 17 * w);
- SHA3.S[18] ^= SHA3.toLane(message, rr, ww, i + 18 * w);
- SHA3.S[23] ^= SHA3.toLane(message, rr, ww, i + 19 * w);
- SHA3.S[ 4] ^= SHA3.toLane(message, rr, ww, i + 20 * w);
- SHA3.S[ 9] ^= SHA3.toLane(message, rr, ww, i + 21 * w);
- SHA3.S[14] ^= SHA3.toLane(message, rr, ww, i + 22 * w);
- SHA3.S[19] ^= SHA3.toLane(message, rr, ww, i + 23 * w);
- SHA3.S[24] ^= SHA3.toLane(message, rr, ww, i + 24 * w);
- SHA3.keccakF(SHA3.S);
+ S[ 0] ^= toLane(message, rr, ww, i + 0 );
+ S[ 5] ^= toLane(message, rr, ww, i + w);
+ S[10] ^= toLane(message, rr, ww, i + 2 * w);
+ S[15] ^= toLane(message, rr, ww, i + 3 * w);
+ S[20] ^= toLane(message, rr, ww, i + 4 * w);
+ S[ 1] ^= toLane(message, rr, ww, i + 5 * w);
+ S[ 6] ^= toLane(message, rr, ww, i + 6 * w);
+ S[11] ^= toLane(message, rr, ww, i + 7 * w);
+ S[16] ^= toLane(message, rr, ww, i + 8 * w);
+ S[21] ^= toLane(message, rr, ww, i + 9 * w);
+ S[ 2] ^= toLane(message, rr, ww, i + 10 * w);
+ S[ 7] ^= toLane(message, rr, ww, i + 11 * w);
+ S[12] ^= toLane(message, rr, ww, i + 12 * w);
+ S[17] ^= toLane(message, rr, ww, i + 13 * w);
+ S[22] ^= toLane(message, rr, ww, i + 14 * w);
+ S[ 3] ^= toLane(message, rr, ww, i + 15 * w);
+ S[ 8] ^= toLane(message, rr, ww, i + 16 * w);
+ S[13] ^= toLane(message, rr, ww, i + 17 * w);
+ S[18] ^= toLane(message, rr, ww, i + 18 * w);
+ S[23] ^= toLane(message, rr, ww, i + 19 * w);
+ S[ 4] ^= toLane(message, rr, ww, i + 20 * w);
+ S[ 9] ^= toLane(message, rr, ww, i + 21 * w);
+ S[14] ^= toLane(message, rr, ww, i + 22 * w);
+ S[19] ^= toLane(message, rr, ww, i + 23 * w);
+ S[24] ^= toLane(message, rr, ww, i + 24 * w);
+ keccakF(S);
}
/* Squeezing phase */
- long olen = SHA3.n;
+ long olen = n;
long j = 0;
- long ni = Math.min(25, rr);
+ long ni = min(25, rr);
while (olen > 0)
{
long i = 0;
while ((i < ni) && (j < nn))
{
- llong v = SHA3.S[(i % 5) * 5 + i / 5];
+ llong v = S[(i % 5) * 5 + i / 5];
for (long _ = 0; _ < ww; _++)
{
if (j < nn)
@@ -592,9 +604,9 @@ extern byte* digest(byte* msg, long msglen)
}
i += 1;
}
- olen -= SHA3.r;
+ olen -= r;
if (olen > 0)
- SHA3.keccakF(S);
+ keccakF(S);
}
return rc;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-07 12:51:14 +0000