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-rw-r--r--java/ConcurrentSHA3.java229
1 files changed, 118 insertions, 111 deletions
diff --git a/java/ConcurrentSHA3.java b/java/ConcurrentSHA3.java
index 8d435cd..8e37e89 100644
--- a/java/ConcurrentSHA3.java
+++ b/java/ConcurrentSHA3.java
@@ -282,16 +282,16 @@ public class ConcurrentSHA3
/**
* Convert a chunk of byte:s to a word
*
- * @param msgoff The number of times to loop has run times the bitrate
- * @param rr Bitrate in bytes
+ * @param n {@code Math.min(SHA3.message.length, rr) + msgoff}
+ * msgoff The number of times to loop has run times the bitrate
+ * rr Bitrate in bytes
* @param ww Word size in bytes
* @param off The offset in the message
* @return Lane
*/
- private long toLane(int msgoff, int rr, int ww, int off)
+ private long toLane(int n, int ww, int off)
{
long rc = 0;
- int n = Math.min(this.message.length, rr) + msgoff;
for (int i = off + ww - 1; i >= off; i--)
rc = (rc << 8) | ((i < n) ? (long)(this.message[i] & 255) : 0L);
return rc;
@@ -301,14 +301,14 @@ public class ConcurrentSHA3
/**
* Convert a chunk of byte:s to a 64-bit word
*
- * @param msgoff The number of times to loop has run times the bitrate
- * @param rr Bitrate in bytes
+ * @param n {@code Math.min(SHA3.message.length, rr) + msgoff}
+ * msgoff The number of times to loop has run times the bitrate
+ * rr Bitrate in bytes
* @param off The offset in the message
* @return Lane
*/
- private long toLane64(int msgoff, int rr, int off)
+ private long toLane64(int n, int off)
{
- int n = Math.min(this.message.length, rr) + msgoff;
return ((off + 7 < n) ? ((long)(this.message[off + 7] & 255) << 56) : 0L) |
((off + 6 < n) ? ((long)(this.message[off + 6] & 255) << 48) : 0L) |
((off + 5 < n) ? ((long)(this.message[off + 5] & 255) << 40) : 0L) |
@@ -327,7 +327,7 @@ public class ConcurrentSHA3
* @param len The length of the message
* @param r The bitrate
*/
- private static void pad10star1(byte[] msg, int len, int r)
+ private void pad10star1(byte[] msg, int len, int r)
{
int nrf = (len <<= 3) >> 3;
int nbrf = len & 7;
@@ -404,67 +404,70 @@ public class ConcurrentSHA3
len -= len % ((this.r * this.b) >> 3);
System.arraycopy(this.M, 0, this.message = new byte[len], 0, len);
System.arraycopy(this.M, len, this.M, 0, this.mptr -= len);
+ int n = Math.min(this.message.length, rr);
/* Absorbing phase */
if (ww == 8)
for (int i = 0; i < len; i += rr)
{
- this.S[ 0] ^= this.toLane64(i, rr, i + 0);
- this.S[ 5] ^= this.toLane64(i, rr, i + 8);
- this.S[10] ^= this.toLane64(i, rr, i + 16);
- this.S[15] ^= this.toLane64(i, rr, i + 24);
- this.S[20] ^= this.toLane64(i, rr, i + 32);
- this.S[ 1] ^= this.toLane64(i, rr, i + 40);
- this.S[ 6] ^= this.toLane64(i, rr, i + 48);
- this.S[11] ^= this.toLane64(i, rr, i + 56);
- this.S[16] ^= this.toLane64(i, rr, i + 64);
- this.S[21] ^= this.toLane64(i, rr, i + 72);
- this.S[ 2] ^= this.toLane64(i, rr, i + 80);
- this.S[ 7] ^= this.toLane64(i, rr, i + 88);
- this.S[12] ^= this.toLane64(i, rr, i + 96);
- this.S[17] ^= this.toLane64(i, rr, i + 104);
- this.S[22] ^= this.toLane64(i, rr, i + 112);
- this.S[ 3] ^= this.toLane64(i, rr, i + 120);
- this.S[ 8] ^= this.toLane64(i, rr, i + 128);
- this.S[13] ^= this.toLane64(i, rr, i + 136);
- this.S[18] ^= this.toLane64(i, rr, i + 144);
- this.S[23] ^= this.toLane64(i, rr, i + 152);
- this.S[ 4] ^= this.toLane64(i, rr, i + 160);
- this.S[ 9] ^= this.toLane64(i, rr, i + 168);
- this.S[14] ^= this.toLane64(i, rr, i + 176);
- this.S[19] ^= this.toLane64(i, rr, i + 184);
- this.S[24] ^= this.toLane64(i, rr, i + 192);
+ this.S[ 0] ^= this.toLane64(n, i + 0);
+ this.S[ 5] ^= this.toLane64(n, i + 8);
+ this.S[10] ^= this.toLane64(n, i + 16);
+ this.S[15] ^= this.toLane64(n, i + 24);
+ this.S[20] ^= this.toLane64(n, i + 32);
+ this.S[ 1] ^= this.toLane64(n, i + 40);
+ this.S[ 6] ^= this.toLane64(n, i + 48);
+ this.S[11] ^= this.toLane64(n, i + 56);
+ this.S[16] ^= this.toLane64(n, i + 64);
+ this.S[21] ^= this.toLane64(n, i + 72);
+ this.S[ 2] ^= this.toLane64(n, i + 80);
+ this.S[ 7] ^= this.toLane64(n, i + 88);
+ this.S[12] ^= this.toLane64(n, i + 96);
+ this.S[17] ^= this.toLane64(n, i + 104);
+ this.S[22] ^= this.toLane64(n, i + 112);
+ this.S[ 3] ^= this.toLane64(n, i + 120);
+ this.S[ 8] ^= this.toLane64(n, i + 128);
+ this.S[13] ^= this.toLane64(n, i + 136);
+ this.S[18] ^= this.toLane64(n, i + 144);
+ this.S[23] ^= this.toLane64(n, i + 152);
+ this.S[ 4] ^= this.toLane64(n, i + 160);
+ this.S[ 9] ^= this.toLane64(n, i + 168);
+ this.S[14] ^= this.toLane64(n, i + 176);
+ this.S[19] ^= this.toLane64(n, i + 184);
+ this.S[24] ^= this.toLane64(n, i + 192);
this.keccakF(this.S);
+ n += rr;
}
else
for (int i = 0; i < len; i += rr)
{
- this.S[ 0] ^= this.toLane(i, rr, ww, i + 0 );
- this.S[ 5] ^= this.toLane(i, rr, ww, i + w);
- this.S[10] ^= this.toLane(i, rr, ww, i + 2 * w);
- this.S[15] ^= this.toLane(i, rr, ww, i + 3 * w);
- this.S[20] ^= this.toLane(i, rr, ww, i + 4 * w);
- this.S[ 1] ^= this.toLane(i, rr, ww, i + 5 * w);
- this.S[ 6] ^= this.toLane(i, rr, ww, i + 6 * w);
- this.S[11] ^= this.toLane(i, rr, ww, i + 7 * w);
- this.S[16] ^= this.toLane(i, rr, ww, i + 8 * w);
- this.S[21] ^= this.toLane(i, rr, ww, i + 9 * w);
- this.S[ 2] ^= this.toLane(i, rr, ww, i + 10 * w);
- this.S[ 7] ^= this.toLane(i, rr, ww, i + 11 * w);
- this.S[12] ^= this.toLane(i, rr, ww, i + 12 * w);
- this.S[17] ^= this.toLane(i, rr, ww, i + 13 * w);
- this.S[22] ^= this.toLane(i, rr, ww, i + 14 * w);
- this.S[ 3] ^= this.toLane(i, rr, ww, i + 15 * w);
- this.S[ 8] ^= this.toLane(i, rr, ww, i + 16 * w);
- this.S[13] ^= this.toLane(i, rr, ww, i + 17 * w);
- this.S[18] ^= this.toLane(i, rr, ww, i + 18 * w);
- this.S[23] ^= this.toLane(i, rr, ww, i + 19 * w);
- this.S[ 4] ^= this.toLane(i, rr, ww, i + 20 * w);
- this.S[ 9] ^= this.toLane(i, rr, ww, i + 21 * w);
- this.S[14] ^= this.toLane(i, rr, ww, i + 22 * w);
- this.S[19] ^= this.toLane(i, rr, ww, i + 23 * w);
- this.S[24] ^= this.toLane(i, rr, ww, i + 24 * w);
+ this.S[ 0] ^= this.toLane(n, ww, i + 0 );
+ this.S[ 5] ^= this.toLane(n, ww, i + w);
+ this.S[10] ^= this.toLane(n, ww, i + 2 * w);
+ this.S[15] ^= this.toLane(n, ww, i + 3 * w);
+ this.S[20] ^= this.toLane(n, ww, i + 4 * w);
+ this.S[ 1] ^= this.toLane(n, ww, i + 5 * w);
+ this.S[ 6] ^= this.toLane(n, ww, i + 6 * w);
+ this.S[11] ^= this.toLane(n, ww, i + 7 * w);
+ this.S[16] ^= this.toLane(n, ww, i + 8 * w);
+ this.S[21] ^= this.toLane(n, ww, i + 9 * w);
+ this.S[ 2] ^= this.toLane(n, ww, i + 10 * w);
+ this.S[ 7] ^= this.toLane(n, ww, i + 11 * w);
+ this.S[12] ^= this.toLane(n, ww, i + 12 * w);
+ this.S[17] ^= this.toLane(n, ww, i + 13 * w);
+ this.S[22] ^= this.toLane(n, ww, i + 14 * w);
+ this.S[ 3] ^= this.toLane(n, ww, i + 15 * w);
+ this.S[ 8] ^= this.toLane(n, ww, i + 16 * w);
+ this.S[13] ^= this.toLane(n, ww, i + 17 * w);
+ this.S[18] ^= this.toLane(n, ww, i + 18 * w);
+ this.S[23] ^= this.toLane(n, ww, i + 19 * w);
+ this.S[ 4] ^= this.toLane(n, ww, i + 20 * w);
+ this.S[ 9] ^= this.toLane(n, ww, i + 21 * w);
+ this.S[14] ^= this.toLane(n, ww, i + 22 * w);
+ this.S[19] ^= this.toLane(n, ww, i + 23 * w);
+ this.S[24] ^= this.toLane(n, ww, i + 24 * w);
this.keccakF(this.S);
+ n += rr;
}
}
@@ -541,13 +544,13 @@ public class ConcurrentSHA3
public byte[] digest(byte[] msg, int msglen, boolean withReturn)
{
if ((msg == null) || (msglen == 0))
- ConcurrentSHA3.pad10star1(this.M, this.mptr, this.r);
+ this.pad10star1(this.M, this.mptr, this.r);
else
{
if (this.mptr + msglen > this.M.length)
System.arraycopy(this.M, 0, this.M = new byte[this.M.length + msglen], 0, this.mptr);
System.arraycopy(msg, 0, this.M, this.mptr, msglen);
- ConcurrentSHA3.pad10star1(this.M, this.mptr + msglen, this.r);
+ this.pad10star1(this.M, this.mptr + msglen, this.r);
}
this.M = null;
int len = this.message.length;
@@ -555,67 +558,71 @@ public class ConcurrentSHA3
int rr = this.r >> 3;
int nn = (this.n + 7) >> 3;
int ww = this.w >> 3;
+
+ int n = Math.min(this.message.length, rr);
/* Absorbing phase */
if (ww == 8)
for (int i = 0; i < len; i += rr)
{
- this.S[ 0] ^= this.toLane64(i, rr, i + 0);
- this.S[ 5] ^= this.toLane64(i, rr, i + 8);
- this.S[10] ^= this.toLane64(i, rr, i + 16);
- this.S[15] ^= this.toLane64(i, rr, i + 24);
- this.S[20] ^= this.toLane64(i, rr, i + 32);
- this.S[ 1] ^= this.toLane64(i, rr, i + 40);
- this.S[ 6] ^= this.toLane64(i, rr, i + 48);
- this.S[11] ^= this.toLane64(i, rr, i + 56);
- this.S[16] ^= this.toLane64(i, rr, i + 64);
- this.S[21] ^= this.toLane64(i, rr, i + 72);
- this.S[ 2] ^= this.toLane64(i, rr, i + 80);
- this.S[ 7] ^= this.toLane64(i, rr, i + 88);
- this.S[12] ^= this.toLane64(i, rr, i + 96);
- this.S[17] ^= this.toLane64(i, rr, i + 104);
- this.S[22] ^= this.toLane64(i, rr, i + 112);
- this.S[ 3] ^= this.toLane64(i, rr, i + 120);
- this.S[ 8] ^= this.toLane64(i, rr, i + 128);
- this.S[13] ^= this.toLane64(i, rr, i + 136);
- this.S[18] ^= this.toLane64(i, rr, i + 144);
- this.S[23] ^= this.toLane64(i, rr, i + 152);
- this.S[ 4] ^= this.toLane64(i, rr, i + 160);
- this.S[ 9] ^= this.toLane64(i, rr, i + 168);
- this.S[14] ^= this.toLane64(i, rr, i + 176);
- this.S[19] ^= this.toLane64(i, rr, i + 184);
- this.S[24] ^= this.toLane64(i, rr, i + 192);
+ this.S[ 0] ^= this.toLane64(n, i + 0);
+ this.S[ 5] ^= this.toLane64(n, i + 8);
+ this.S[10] ^= this.toLane64(n, i + 16);
+ this.S[15] ^= this.toLane64(n, i + 24);
+ this.S[20] ^= this.toLane64(n, i + 32);
+ this.S[ 1] ^= this.toLane64(n, i + 40);
+ this.S[ 6] ^= this.toLane64(n, i + 48);
+ this.S[11] ^= this.toLane64(n, i + 56);
+ this.S[16] ^= this.toLane64(n, i + 64);
+ this.S[21] ^= this.toLane64(n, i + 72);
+ this.S[ 2] ^= this.toLane64(n, i + 80);
+ this.S[ 7] ^= this.toLane64(n, i + 88);
+ this.S[12] ^= this.toLane64(n, i + 96);
+ this.S[17] ^= this.toLane64(n, i + 104);
+ this.S[22] ^= this.toLane64(n, i + 112);
+ this.S[ 3] ^= this.toLane64(n, i + 120);
+ this.S[ 8] ^= this.toLane64(n, i + 128);
+ this.S[13] ^= this.toLane64(n, i + 136);
+ this.S[18] ^= this.toLane64(n, i + 144);
+ this.S[23] ^= this.toLane64(n, i + 152);
+ this.S[ 4] ^= this.toLane64(n, i + 160);
+ this.S[ 9] ^= this.toLane64(n, i + 168);
+ this.S[14] ^= this.toLane64(n, i + 176);
+ this.S[19] ^= this.toLane64(n, i + 184);
+ this.S[24] ^= this.toLane64(n, i + 192);
this.keccakF(this.S);
+ n += rr;
}
else
for (int i = 0; i < len; i += rr)
{
- this.S[ 0] ^= this.toLane(i, rr, ww, i + 0 );
- this.S[ 5] ^= this.toLane(i, rr, ww, i + w);
- this.S[10] ^= this.toLane(i, rr, ww, i + 2 * w);
- this.S[15] ^= this.toLane(i, rr, ww, i + 3 * w);
- this.S[20] ^= this.toLane(i, rr, ww, i + 4 * w);
- this.S[ 1] ^= this.toLane(i, rr, ww, i + 5 * w);
- this.S[ 6] ^= this.toLane(i, rr, ww, i + 6 * w);
- this.S[11] ^= this.toLane(i, rr, ww, i + 7 * w);
- this.S[16] ^= this.toLane(i, rr, ww, i + 8 * w);
- this.S[21] ^= this.toLane(i, rr, ww, i + 9 * w);
- this.S[ 2] ^= this.toLane(i, rr, ww, i + 10 * w);
- this.S[ 7] ^= this.toLane(i, rr, ww, i + 11 * w);
- this.S[12] ^= this.toLane(i, rr, ww, i + 12 * w);
- this.S[17] ^= this.toLane(i, rr, ww, i + 13 * w);
- this.S[22] ^= this.toLane(i, rr, ww, i + 14 * w);
- this.S[ 3] ^= this.toLane(i, rr, ww, i + 15 * w);
- this.S[ 8] ^= this.toLane(i, rr, ww, i + 16 * w);
- this.S[13] ^= this.toLane(i, rr, ww, i + 17 * w);
- this.S[18] ^= this.toLane(i, rr, ww, i + 18 * w);
- this.S[23] ^= this.toLane(i, rr, ww, i + 19 * w);
- this.S[ 4] ^= this.toLane(i, rr, ww, i + 20 * w);
- this.S[ 9] ^= this.toLane(i, rr, ww, i + 21 * w);
- this.S[14] ^= this.toLane(i, rr, ww, i + 22 * w);
- this.S[19] ^= this.toLane(i, rr, ww, i + 23 * w);
- this.S[24] ^= this.toLane(i, rr, ww, i + 24 * w);
+ this.S[ 0] ^= this.toLane(n, ww, i + 0 );
+ this.S[ 5] ^= this.toLane(n, ww, i + w);
+ this.S[10] ^= this.toLane(n, ww, i + 2 * w);
+ this.S[15] ^= this.toLane(n, ww, i + 3 * w);
+ this.S[20] ^= this.toLane(n, ww, i + 4 * w);
+ this.S[ 1] ^= this.toLane(n, ww, i + 5 * w);
+ this.S[ 6] ^= this.toLane(n, ww, i + 6 * w);
+ this.S[11] ^= this.toLane(n, ww, i + 7 * w);
+ this.S[16] ^= this.toLane(n, ww, i + 8 * w);
+ this.S[21] ^= this.toLane(n, ww, i + 9 * w);
+ this.S[ 2] ^= this.toLane(n, ww, i + 10 * w);
+ this.S[ 7] ^= this.toLane(n, ww, i + 11 * w);
+ this.S[12] ^= this.toLane(n, ww, i + 12 * w);
+ this.S[17] ^= this.toLane(n, ww, i + 13 * w);
+ this.S[22] ^= this.toLane(n, ww, i + 14 * w);
+ this.S[ 3] ^= this.toLane(n, ww, i + 15 * w);
+ this.S[ 8] ^= this.toLane(n, ww, i + 16 * w);
+ this.S[13] ^= this.toLane(n, ww, i + 17 * w);
+ this.S[18] ^= this.toLane(n, ww, i + 18 * w);
+ this.S[23] ^= this.toLane(n, ww, i + 19 * w);
+ this.S[ 4] ^= this.toLane(n, ww, i + 20 * w);
+ this.S[ 9] ^= this.toLane(n, ww, i + 21 * w);
+ this.S[14] ^= this.toLane(n, ww, i + 22 * w);
+ this.S[19] ^= this.toLane(n, ww, i + 23 * w);
+ this.S[24] ^= this.toLane(n, ww, i + 24 * w);
this.keccakF(this.S);
+ n += rr;
}
/* Squeezing phase */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-14 20:44:38 +0000