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-rw-r--r--java-c-jni/SHA3.c68
1 files changed, 33 insertions, 35 deletions
diff --git a/java-c-jni/SHA3.c b/java-c-jni/SHA3.c
index 1663b9b..50bc20c 100644
--- a/java-c-jni/SHA3.c
+++ b/java-c-jni/SHA3.c
@@ -21,9 +21,9 @@
#if __x86_64__ || __ppc64__
- #define llong long int
+#define llong long int
#else
- #define llong long long int
+#define llong long long int
#endif
@@ -41,12 +41,12 @@
* Round contants
*/
static const llong RC[] = {
- 0x0000000000000001L, 0x0000000000008082L, 0x800000000000808AL, 0x8000000080008000L,
- 0x000000000000808BL, 0x0000000080000001L, 0x8000000080008081L, 0x8000000000008009L,
- 0x000000000000008AL, 0x0000000000000088L, 0x0000000080008009L, 0x000000008000000AL,
- 0x000000008000808BL, 0x800000000000008BL, 0x8000000000008089L, 0x8000000000008003L,
- 0x8000000000008002L, 0x8000000000000080L, 0x000000000000800AL, 0x800000008000000AL,
- 0x8000000080008081L, 0x8000000000008080L, 0x0000000080000001L, 0x8000000080008008L};
+ 0x0000000000000001L, 0x0000000000008082L, 0x800000000000808AL, 0x8000000080008000L,
+ 0x000000000000808BL, 0x0000000080000001L, 0x8000000080008081L, 0x8000000000008009L,
+ 0x000000000000008AL, 0x0000000000000088L, 0x0000000080008009L, 0x000000008000000AL,
+ 0x000000008000808BL, 0x800000000000008BL, 0x8000000000008089L, 0x8000000000008003L,
+ 0x8000000000008002L, 0x8000000000000080L, 0x000000000000800AL, 0x800000008000000AL,
+ 0x8000000080008081L, 0x8000000000008080L, 0x0000000080000001L, 0x8000000080008008L};
/**
* Keccak-f round temporary
@@ -98,7 +98,7 @@ static long l = 0;
* 12 + 2ℓ, the number of rounds
*/
static long nr = 0;
-
+
/**
* The current state
@@ -109,7 +109,7 @@ static llong* S = null;
* Left over water to fill the sponge with at next update
*/
static byte* M = null;
-
+
/**
* Pointer for {@link #M}
*/
@@ -136,8 +136,8 @@ inline void arraycopy(byte* src, long soff, byte* dest, long doff, long length)
src += soff;
dest += doff;
- #define __(X) src[X] = dest[X]
- #define __0 *src = *dest
+ #define __(X) dest[X] = src[X]
+ #define __0 *dest = *src
#define __1 __(0x01)
#define __2 __(0x02); __(0x03)
#define __3 __(0x04); __(0x05); __(0x06); __(0x07)
@@ -238,7 +238,7 @@ inline void revarraycopy(byte* src, long soff, byte* dest, long doff, long lengt
/**
* Perform one round of computation
-*
+ *
* @param A The current state
* @param rc Round constant
*/
@@ -354,7 +354,7 @@ inline llong toLane(byte* message, long msglen, long rr, long ww, long off)
llong rc = 0;
long n = min(msglen, rr), i;
for (i = off + ww - 1; i >= off; i--)
- rc = (rc << 8) | ((i < n) ? (llong)(message[i]) : 0L);
+ rc = (rc << 8) | ((i < n) ? (llong)(message[i] & 255) : 0L);
return rc;
}
@@ -371,14 +371,14 @@ inline llong toLane(byte* message, long msglen, long rr, long ww, long off)
inline llong toLane64(byte* message, long msglen, long rr, long off)
{
long n = min(msglen, rr);
- return ((off + 7 < n) ? ((llong)(message[off + 7]) << 56) : 0L) |
- ((off + 6 < n) ? ((llong)(message[off + 6]) << 48) : 0L) |
- ((off + 5 < n) ? ((llong)(message[off + 5]) << 40) : 0L) |
- ((off + 4 < n) ? ((llong)(message[off + 4]) << 32) : 0L) |
- ((off + 3 < n) ? ((llong)(message[off + 3]) << 24) : 0L) |
- ((off + 2 < n) ? ((llong)(message[off + 2]) << 16) : 0L) |
- ((off + 1 < n) ? ((llong)(message[off + 1]) << 8) : 0L) |
- ((off < n) ? ((llong)(message[off])) : 0L);
+ 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) |
+ ((off + 4 < n) ? ((llong)(message[off + 4] & 255) << 32) : 0L) |
+ ((off + 3 < n) ? ((llong)(message[off + 3] & 255) << 24) : 0L) |
+ ((off + 2 < n) ? ((llong)(message[off + 2] & 255) << 16) : 0L) |
+ ((off + 1 < n) ? ((llong)(message[off + 1] & 255) << 8) : 0L) |
+ ((off < n) ? ((llong)(message[off ] & 255) ) : 0L);
}
@@ -563,7 +563,7 @@ void update(byte* msg, jint msglen)
if (ww == 8)
for (i = 0; i < len; i += rr)
{
- #define __S(Si, OFF) S[Si] ^= toLane64(message, len, rr, i + OFF)
+ #define __S(Si, OFF) S[Si] ^= toLane64(message, len, rr, i + OFF)
__S( 0, 0); __S( 5, 8); __S(10, 16); __S(15, 24); __S(20, 32);
__S( 1, 40); __S( 6, 48); __S(11, 56); __S(16, 64); __S(21, 72);
__S( 2, 80); __S( 7, 88); __S(12, 96); __S(17, 104); __S(22, 112);
@@ -575,7 +575,7 @@ void update(byte* msg, jint msglen)
else
for (i = 0; i < len; i += rr)
{
- #define __S(Si, OFF) S[Si] ^= toLane(message, len, rr, ww, i + OFF * w)
+ #define __S(Si, OFF) S[Si] ^= toLane(message, len, rr, ww, i + OFF * w)
__S( 0, 0); __S( 5, 1); __S(10, 2); __S(15, 3); __S(20, 4);
__S( 1, 5); __S( 6, 6); __S(11, 7); __S(16, 8); __S(21, 9);
__S( 2, 10); __S( 7, 11); __S(12, 12); __S(17, 13); __S(22, 14);
@@ -587,7 +587,7 @@ void update(byte* msg, jint msglen)
free(message);
}
-
+
/**
* Absorb the last part of the message and squeeze the Keccak sponge
@@ -626,7 +626,7 @@ byte* digest(byte* msg, jint msglen)
if (ww == 8)
for (i = 0; i < len; i += rr)
{
- #define __S(Si, OFF) S[Si] ^= toLane64(message, len, rr, i + OFF)
+ #define __S(Si, OFF) S[Si] ^= toLane64(message, len, rr, i + OFF)
__S( 0, 0); __S( 5, 8); __S(10, 16); __S(15, 24); __S(20, 32);
__S( 1, 40); __S( 6, 48); __S(11, 56); __S(16, 64); __S(21, 72);
__S( 2, 80); __S( 7, 88); __S(12, 96); __S(17, 104); __S(22, 112);
@@ -638,7 +638,7 @@ byte* digest(byte* msg, jint msglen)
else
for (i = 0; i < len; i += rr)
{
- #define __S(Si, OFF) S[Si] ^= toLane(message, len, rr, ww, i + OFF * w)
+ #define __S(Si, OFF) S[Si] ^= toLane(message, len, rr, ww, i + OFF * w)
__S( 0, 0); __S( 5, 1); __S(10, 2); __S(15, 3); __S(20, 4);
__S( 1, 5); __S( 6, 6); __S(11, 7); __S(16, 8); __S(21, 9);
__S( 2, 10); __S( 7, 11); __S(12, 12); __S(17, 13); __S(22, 14);
@@ -662,10 +662,7 @@ byte* digest(byte* msg, jint msglen)
for (_ = 0; _ < ww; _++)
{
if (j < nn)
- {
- rc[ptr] = (byte)v;
- ptr += 1;
- }
+ rc[ptr++] = (byte)v;
v >>= 8;
j += 1;
}
@@ -691,18 +688,19 @@ JNIEXPORT void JNICALL Java_SHA3_initialise(JNIEnv* env, jclass class, jint bitr
JNIEXPORT void JNICALL Java_SHA3_update(JNIEnv* env, jclass class, jbyteArray msg, jint msglen)
{
- (void) env;
(void) class;
- // FIXME
+ update((*env)->GetByteArrayElements(env, msg, 0), msglen);
}
JNIEXPORT jbyteArray JNICALL Java_SHA3_digest(JNIEnv* env, jclass class, jbyteArray msg, jint msglen)
{
- (void) env;
(void) class;
- // FIXME
+ byte* rcn = digest((*env)->GetByteArrayElements(env, msg, 0), msglen);
+ jbyteArray rcj = (*env)->NewByteArray(env, (n + 7) >> 3);
+ (*env)->SetByteArrayRegion(env, rcj, 0, (n + 7) >> 3, rcn);
+ return rcj;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-09-21 16:58:09 +0000