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临时存储

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zcy
2025-09-08 15:35:28 +08:00
parent 98d411d70d
commit b41fff9d09
3 changed files with 61 additions and 56 deletions
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7
Project/Src/com/cscn/Zuc256Core.java
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@@ -371,12 +371,13 @@ public class Zuc256Core {
state.LFSR_lo[15] = tmp[0]; state.LFSR_hi[15] = tmp[1];
short c15_2 = 0;
for (short i = 0; i < 32; i++) {
// BitReconstruction3
// X0 = ((LFSR[15] & 0x7FFF8000) << 1) | (LFSR[14] & 0xFFFF);
// X0 = ((L15 & 0x7FFF8000)<<1) | (L14 & 0xFFFF)
short c15 = (short)((state.LFSR_lo[15] & (short)0x8000) >>> 15);
X0[1] = (short)(((state.LFSR_hi[15] & (short)0x7FFF) << 1) | c15);
c15_2 = (short)((state.LFSR_lo[15] & (short)0x8000) >>> 15);
X0[1] = (short)(((state.LFSR_hi[15] & (short)0x7FFF) << 1) | (short)(c15_2 & 0x0001));
X0[0] = state.LFSR_lo[14];
// X1 = ((LFSR[11] & 0xFFFF) << 16) | (LFSR[9] >>> 15);
@@ -459,7 +460,7 @@ public class Zuc256Core {
// v = add31(v, W >>> 1);
shr32u1(W[0], W[1], T2); // T2[0]=lo, T2[1]=hi（无符号>>>1）
T2[1] = (short)(T2[1] & 0x7FFF); // 只保留31位
T2[1] = (short)(T2[1] & (short)0xFFFF); // 只保留31位
add31(V[0], V[1], T2[0], T2[1], V);
// System.arraycopy(state.LFSR, 1, state.LFSR, 0, 15)