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位置加密applet基本实现，目录下包含c java参考代码、打包工具、说明文档、 #2

Merged
zcy merged 20 commits from zcy_dev_cap into main 2025-09-09 02:39:35 +00:00
Conversation 0 Commits 20 Files Changed 783 +18952 -2214
744 changed files with 18952 additions and 2214 deletions
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Showing only changes of commit 8e25aab97a - Show all commits

10
Project/Src/com/cscn/Method.java
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@@ -17,22 +17,22 @@ public final class Method {
// ======= 已按你提供的数据填充 ======= // ======= 已按你提供的数据填充 =======
// Key: 32字节 // Key: 32字节
private static final byte[] KEY32 = new byte[] { private static final byte[] KEY32 = {
(byte)0x30,(byte)0x31,(byte)0x32,(byte)0x33,(byte)0x34,(byte)0x35,(byte)0x36,(byte)0x37, (byte)0x30,(byte)0x31,(byte)0x32,(byte)0x33,(byte)0x34,(byte)0x35,(byte)0x36,(byte)0x37,
(byte)0x38,(byte)0x39,(byte)0x61,(byte)0x62,(byte)0x63,(byte)0x64,(byte)0x65,(byte)0x66, (byte)0x38,(byte)0x39,(byte)0x61,(byte)0x62,(byte)0x63,(byte)0x64,(byte)0x65,(byte)0x66,
(byte)0x30,(byte)0x31,(byte)0x32,(byte)0x33,(byte)0x34,(byte)0x35,(byte)0x36,(byte)0x37, (byte)0x30,(byte)0x31,(byte)0x32,(byte)0x33,(byte)0x34,(byte)0x35,(byte)0x36,(byte)0x37,
(byte)0x38,(byte)0x39,(byte)0x61,(byte)0x62,(byte)0x63,(byte)0x64,(byte)0x65,(byte)0x66 (byte)0x38,(byte)0x39,(byte)0x61,(byte)0x62,(byte)0x63,(byte)0x64,(byte)0x65,(byte)0x66
}; };
// IV: 你提供的是23字节（如需25字节请补齐两字节） // IV
private static final byte[] IV25 = new byte[] { private static final byte[] IV25 = {//todo 23 -> 25
(byte)0x30,(byte)0x31,(byte)0x32,(byte)0x33,(byte)0x34,(byte)0x35,(byte)0x36,(byte)0x37, (byte)0x30,(byte)0x31,(byte)0x32,(byte)0x33,(byte)0x34,(byte)0x35,(byte)0x36,(byte)0x37,
(byte)0x38,(byte)0x39,(byte)0x61,(byte)0x62,(byte)0x63,(byte)0x64,(byte)0x65,(byte)0x66, (byte)0x38,(byte)0x39,(byte)0x61,(byte)0x62,(byte)0x63,(byte)0x64,(byte)0x65,(byte)0x66,
(byte)0x67,(byte)0xC3,(byte)0x1C,(byte)0xB3,(byte)0xD3,(byte)0x5D,(byte)0xB7 (byte)0x67,(byte)0xC3,(byte)0x1C,(byte)0xB3,(byte)0xD3,(byte)0x5D,(byte)0xB7
}; };
// Input: 明文（38字节） // Input: 明文（38字节）
private static final byte[] INPUT = new byte[] { private static final byte[] INPUT = {
(byte)0x5A,(byte)0x55,(byte)0x43,(byte)0x32,(byte)0x35,(byte)0x36,(byte)0xE5,(byte)0xAF, (byte)0x5A,(byte)0x55,(byte)0x43,(byte)0x32,(byte)0x35,(byte)0x36,(byte)0xE5,(byte)0xAF,
(byte)0xB9,(byte)0xE7,(byte)0xA7,(byte)0xB0,(byte)0xE5,(byte)0x8A,(byte)0xA0,(byte)0xE8, (byte)0xB9,(byte)0xE7,(byte)0xA7,(byte)0xB0,(byte)0xE5,(byte)0x8A,(byte)0xA0,(byte)0xE8,
(byte)0xA7,(byte)0xA3,(byte)0xE5,(byte)0xAF,(byte)0x86,(byte)0xE6,(byte)0xB5,(byte)0x8B, (byte)0xA7,(byte)0xA3,(byte)0xE5,(byte)0xAF,(byte)0x86,(byte)0xE6,(byte)0xB5,(byte)0x8B,
@@ -41,7 +41,7 @@ public final class Method {
}; };
// EncResult: 期望密文（38字节） // EncResult: 期望密文（38字节）
private static final byte[] ENC_EXPECTED = new byte[] { private static final byte[] ENC_EXPECTED = {
(byte)0x6C,(byte)0xEE,(byte)0x3C,(byte)0xFA,(byte)0xDE,(byte)0xBB,(byte)0xCB,(byte)0xE5, (byte)0x6C,(byte)0xEE,(byte)0x3C,(byte)0xFA,(byte)0xDE,(byte)0xBB,(byte)0xCB,(byte)0xE5,
(byte)0x33,(byte)0x51,(byte)0x07,(byte)0x07,(byte)0x90,(byte)0x25,(byte)0x93,(byte)0x27, (byte)0x33,(byte)0x51,(byte)0x07,(byte)0x07,(byte)0x90,(byte)0x25,(byte)0x93,(byte)0x27,
(byte)0x94,(byte)0xF5,(byte)0x18,(byte)0x70,(byte)0xEF,(byte)0x71,(byte)0x72,(byte)0x7D, (byte)0x94,(byte)0xF5,(byte)0x18,(byte)0x70,(byte)0xEF,(byte)0x71,(byte)0x72,(byte)0x7D,

4
Project/Src/com/cscn/XwSecurity.java
View File

@@ -29,7 +29,8 @@ public class XwSecurity extends Applet {
public XwSecurity(byte[] bArray, short bOffset, byte bLength) { public XwSecurity(byte[] bArray, short bOffset, byte bLength) {
// TODO Auto-generated constructor stub // TODO Auto-generated constructor stub
method = new Method(); method = new Method(); //todo new?
// key store -> flash
key_store_byte = new byte[80]; key_store_byte = new byte[80];
register(bArray, (short)(bOffset + 1), bArray[bOffset]); register(bArray, (short)(bOffset + 1), bArray[bOffset]);
@@ -37,6 +38,7 @@ public class XwSecurity extends Applet {
public static void install(byte[] bArray, short bOffset, byte bLength) public static void install(byte[] bArray, short bOffset, byte bLength)
{ {
//todo new?
// GP-compliant JavaCard applet registration // GP-compliant JavaCard applet registration
new XwSecurity(bArray, bOffset, bLength); new XwSecurity(bArray, bOffset, bLength);
} }

32
Project/Src/com/cscn/Zuc256Core.java
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@@ -143,12 +143,12 @@ public class Zuc256Core {
// a += (long)LFSR[13] << 17; // a += (long)LFSR[13] << 17;
// a += (long)LFSR[15] << 15; // a += (long)LFSR[15] << 15;
// ---- 先准备累加器 A (64位) ---- // ---- 先准备累加器 A (64位) ----
short[] A = new short[4]; // 64位累加器，初始全0 short[] A = JCSystem.makeTransientShortArray((short)4, JCSystem.MEMORY_TYPE_TRANSIENT_RESET); // 64位累加器，初始全0
A[0] = 0; A[1] = 0; A[2] = 0; A[3] = 0; A[0] = 0; A[1] = 0; A[2] = 0; A[3] = 0;
// 临时缓冲 // 临时缓冲
short[] tmp32 = new short[2]; // 保存一个32位数 (lo,hi) short[] tmp32 = JCSystem.makeTransientShortArray((short)2, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);; // 保存一个32位数 (lo,hi)
short[] tmp64 = new short[4]; // 保存移位后的64位数 short[] tmp64 = JCSystem.makeTransientShortArray((short)4, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);; // 保存移位后的64位数
// a = LFSR[0] // a = LFSR[0]
tmp32[0] = state.LFSR_lo[0]; tmp32[0] = state.LFSR_lo[0];
@@ -186,8 +186,8 @@ public class Zuc256Core {
// a = (a & 0x7FFFFFFF) + (a >>> 31); // a = (a & 0x7FFFFFFF) + (a >>> 31);
// ---- 第一次折叠：a = (a & 0x7FFFFFFF) + (a >>> 31) ---- // ---- 第一次折叠：a = (a & 0x7FFFFFFF) + (a >>> 31) ----
short[] low31 = new short[4]; short[] low31 = JCSystem.makeTransientShortArray((short)4, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
short[] r31 = new short[4]; short[] r31 = JCSystem.makeTransientShortArray((short)4, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
and64_7FFFFFFF_to32(A, low31); // low31 = A & 0x7FFFFFFF and64_7FFFFFFF_to32(A, low31); // low31 = A & 0x7FFFFFFF
shr64u_31(A, r31); // r31 = A >>> 31 shr64u_31(A, r31); // r31 = A >>> 31
@@ -197,9 +197,9 @@ public class Zuc256Core {
add64(A, r31); add64(A, r31);
// int v = (int) ((a & 0x7FFFFFFF) + (a >>> 31)); // int v = (int) ((a & 0x7FFFFFFF) + (a >>> 31));
// ---- 第二次折叠，得到 v（32位）---- // ---- 第二次折叠，得到 v（32位）----
short[] low31b = new short[4]; short[] low31b = JCSystem.makeTransientShortArray((short)4, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
short[] r31b = new short[4]; short[] r31b = JCSystem.makeTransientShortArray((short)4, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
short[] v64 = new short[4]; short[] v64 = JCSystem.makeTransientShortArray((short)4, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
and64_7FFFFFFF_to32(A, low31b); and64_7FFFFFFF_to32(A, low31b);
shr64u_31(A, r31b); shr64u_31(A, r31b);
@@ -303,7 +303,7 @@ public class Zuc256Core {
Zuc256Tables.getDRow(row, D, (short)0); Zuc256Tables.getDRow(row, D, (short)0);
short[] tmp = new short[2]; // 临时存储 makeU31 输出 (lo,hi) short[] tmp = JCSystem.makeTransientShortArray((short)2, JCSystem.MEMORY_TYPE_TRANSIENT_RESET); // 临时存储 makeU31 输出 (lo,hi)
// 逐项装载 LFSR // 逐项装载 LFSR
// LFSR[0] = makeU31(K[0] & 0xFF, D[0], K[21] & 0xFF, K[16] & 0xFF); // LFSR[0] = makeU31(K[0] & 0xFF, D[0], K[21] & 0xFF, K[16] & 0xFF);
@@ -524,9 +524,9 @@ public class Zuc256Core {
R2); R2);
// ---- LFSRWithWorkMode ---- // ---- LFSRWithWorkMode ----
short[] A = new short[4]; // 64位累加器 short[] A = JCSystem.makeTransientShortArray((short)4, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);; // 64位累加器
short[] tmp32 = new short[2]; short[] tmp32 = JCSystem.makeTransientShortArray((short)2, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);;
short[] tmp64 = new short[4]; short[] tmp64 = JCSystem.makeTransientShortArray((short)4, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);;
// LFSRWithWorkMode // LFSRWithWorkMode
// long a = LFSR[0]; // long a = LFSR[0];
@@ -554,19 +554,19 @@ public class Zuc256Core {
create_64b_from_32b(tmp64, tmp32, (short)15); add64(A, tmp64); create_64b_from_32b(tmp64, tmp32, (short)15); add64(A, tmp64);
// a = (a & 0x7FFFFFFF) + (a >>> 31); // a = (a & 0x7FFFFFFF) + (a >>> 31);
short[] low31 = new short[4]; short[] low31 = JCSystem.makeTransientShortArray((short)4, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);;
short[] r31 = new short[4]; short[] r31 = JCSystem.makeTransientShortArray((short)4, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);;
and64_7FFFFFFF_to32(A, low31); and64_7FFFFFFF_to32(A, low31);
shr64u_31(A, r31); shr64u_31(A, r31);
short[] v64 = new short[4]; short[] v64 = JCSystem.makeTransientShortArray((short)4, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);;
add64(v64, low31); add64(v64, low31);
add64(v64, r31); add64(v64, r31);
// int v = (int) ((a & 0x7FFFFFFF) + (a >>> 31)); // int v = (int) ((a & 0x7FFFFFFF) + (a >>> 31));
and64_7FFFFFFF_to32(v64, low31); and64_7FFFFFFF_to32(v64, low31);
shr64u_31(v64, r31); shr64u_31(v64, r31);
short[] vv = new short[4]; short[] vv = JCSystem.makeTransientShortArray((short)4, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);;
add64(vv, low31); add64(vv, low31);
add64(vv, r31); add64(vv, r31);

22
Project/Src/com/cscn/Zuc256EncryptCtx.java
View File

@@ -25,12 +25,12 @@ public final class Zuc256EncryptCtx {
public Zuc256EncryptCtx(Zuc256State state){ public Zuc256EncryptCtx(Zuc256State state){
this.state = state; this.state = state;
this.buf = new byte[4]; this.buf = JCSystem.makeTransientByteArray((short)4, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
} }
public Zuc256EncryptCtx(){ public Zuc256EncryptCtx(){
this.state = new Zuc256State(); this.state = new Zuc256State(); //todo how to put in ram?
this.buf = new byte[4]; this.buf = JCSystem.makeTransientByteArray((short)4, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
} }
// 初始化加密上下文 // 初始化加密上下文
@@ -76,17 +76,17 @@ public final class Zuc256EncryptCtx {
// 缓冲区已满，处理一个完整的4字节块 // 缓冲区已满，处理一个完整的4字节块
if (this.buflen == 4) { if (this.buflen == 4) {
// int keystream = zuc256GenerateKeyword(this.state); // int keystream = zuc256GenerateKeyword(this.state);
short[] ks = JCSystem.makeTransientShortArray((short)2, JCSystem.CLEAR_ON_DESELECT); short[] ks = JCSystem.makeTransientShortArray((short)2, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
zuc256GenerateKeyword(this.state, ks); // ks[0]=lo, ks[1]=hi zuc256GenerateKeyword(this.state, ks); // ks[0]=lo, ks[1]=hi
// int plain = getU32(this.buf, 0); // int plain = getU32(this.buf, 0);
// 取出 4 字节明文 → plain[0]=lo, plain[1]=hi // 取出 4 字节明文 → plain[0]=lo, plain[1]=hi
short[] plain = JCSystem.makeTransientShortArray((short)2, JCSystem.CLEAR_ON_DESELECT); short[] plain = JCSystem.makeTransientShortArray((short)2, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
getU32(this.buf, (short)0, plain); getU32(this.buf, (short)0, plain);
// putU32(out, 0, plain ^ keystream); // putU32(out, 0, plain ^ keystream);
// plain ^ ks → res // plain ^ ks → res
short[] res = JCSystem.makeTransientShortArray((short)2, JCSystem.CLEAR_ON_DESELECT); short[] res = JCSystem.makeTransientShortArray((short)2, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
xor32(plain[0], plain[1], ks[0], ks[1], res); xor32(plain[0], plain[1], ks[0], ks[1], res);
// 写回 out 的前4字节 // 写回 out 的前4字节
putU32(out, (short)0, res[0], res[1]); putU32(out, (short)0, res[0], res[1]);
@@ -113,14 +113,14 @@ public final class Zuc256EncryptCtx {
short fullBlocks = (short) (inlen / 4); short fullBlocks = (short) (inlen / 4);
if (fullBlocks > 0) { if (fullBlocks > 0) {
// int[] keystream = new int[fullBlocks]; // int[] keystream = new int[fullBlocks];
short[] ks_hi = JCSystem.makeTransientShortArray(fullBlocks, JCSystem.CLEAR_ON_DESELECT); short[] ks_hi = JCSystem.makeTransientShortArray(fullBlocks, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
short[] ks_lo = JCSystem.makeTransientShortArray(fullBlocks, JCSystem.CLEAR_ON_DESELECT); short[] ks_lo = JCSystem.makeTransientShortArray(fullBlocks, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
// zuc256GenerateKeystream(this.state, fullBlocks, keystream); // zuc256GenerateKeystream(this.state, fullBlocks, keystream);
zuc256GenerateKeystream(this.state, fullBlocks, ks_hi, ks_lo); zuc256GenerateKeystream(this.state, fullBlocks, ks_hi, ks_lo);
// 临时：装一个32位字 // 临时：装一个32位字
short[] word = JCSystem.makeTransientShortArray((short)2, JCSystem.CLEAR_ON_DESELECT); short[] word = JCSystem.makeTransientShortArray((short)2, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
// 逐块异或加密 // 逐块异或加密
for (short i = 0; i < fullBlocks; i++) { for (short i = 0; i < fullBlocks; i++) {
@@ -170,12 +170,12 @@ public final class Zuc256EncryptCtx {
if (this.buflen > 0) { if (this.buflen > 0) {
// int keystream = zuc256GenerateKeyword(this.state); // int keystream = zuc256GenerateKeyword(this.state);
// 生成一个 32-bit 密钥字：ks[0]=lo16, ks[1]=hi16 // 生成一个 32-bit 密钥字：ks[0]=lo16, ks[1]=hi16
short[] ks = JCSystem.makeTransientShortArray((short)2, JCSystem.CLEAR_ON_DESELECT); short[] ks = JCSystem.makeTransientShortArray((short)2, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
zuc256GenerateKeyword(this.state, ks); zuc256GenerateKeyword(this.state, ks);
// byte[] keystreamBytes = new byte[4]; // byte[] keystreamBytes = new byte[4];
// putU32(keystreamBytes, 0, keystream); // putU32(keystreamBytes, 0, keystream);
byte[] keystreamBytes = new byte[4]; byte[] keystreamBytes = JCSystem.makeTransientByteArray((short)4, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
putU32(keystreamBytes, (short)0, ks[0], ks[1]); putU32(keystreamBytes, (short)0, ks[0], ks[1]);
// 逐字节异或 // 逐字节异或

14
Project/Src/com/cscn/Zuc256MacCtx.java
View File

@@ -5,9 +5,9 @@ package com.cscn;
*/ */
public final class Zuc256MacCtx { public final class Zuc256MacCtx {
// LFSR: 原本 int[16]，拆成 hi/lo 各 16 short // LFSR: 原本 int[16]，拆成 hi/lo 各 16 short
short[] LFSR_hi = new short[16]; short[] LFSR_hi = JCSystem.makeTransientShortArray((short)16, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
//todo -> ram //todo -> ram
short[] LFSR_lo = new short[16]; short[] LFSR_lo = JCSystem.makeTransientShortArray((short)16, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
// R1、R2: 原本 int，拆成 hi/lo // R1、R2: 原本 int，拆成 hi/lo
short R1_hi; short R1_hi;
@@ -16,16 +16,16 @@ public final class Zuc256MacCtx {
short R2_lo; short R2_lo;
// 缓冲区 // 缓冲区
byte[] buf = new byte[4]; byte[] buf = JCSystem.makeTransientByteArray((short)4, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
short buflen; short buflen;
// T: 原本 int[4]，拆成 hi/lo // T: 原本 int[4]，拆成 hi/lo
short[] T_hi = new short[4]; short[] T_hi = JCSystem.makeTransientShortArray((short)4, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
short[] T_lo = new short[4]; short[] T_lo = JCSystem.makeTransientShortArray((short)4, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
// K0: 原本 int[4]，拆成 hi/lo // K0: 原本 int[4]，拆成 hi/lo
short[] K0_hi = new short[4]; short[] K0_hi = JCSystem.makeTransientShortArray((short)4, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
short[] K0_lo = new short[4]; short[] K0_lo = JCSystem.makeTransientShortArray((short)4, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
// macbits: 原本 int，改成 short 足够 // macbits: 原本 int，改成 short 足够
short macbits; short macbits;

10
Project/Src/com/cscn/Zuc256State.java
View File

@@ -5,12 +5,18 @@ package com.cscn;
*/ */
public class Zuc256State { public class Zuc256State {
// LFSR: 原 int[16] -> hi/lo 各 16 // LFSR: 原 int[16] -> hi/lo 各 16
public short[] LFSR_hi = new short[16]; public short[] LFSR_hi;
public short[] LFSR_lo = new short[16]; public short[] LFSR_lo;
// R1, R2: 原 int -> hi/lo // R1, R2: 原 int -> hi/lo
public short R1_hi; public short R1_hi;
public short R1_lo; public short R1_lo;
public short R2_hi; public short R2_hi;
public short R2_lo; public short R2_lo;
public Zuc256State() {
this.LFSR_hi = JCSystem.makeTransientShortArray((short)16, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
this.LFSR_lo = JCSystem.makeTransientShortArray((short)16, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
}
} }

2
Project/Src/com/cscn/Zuc256Tables.java
View File

@@ -62,7 +62,7 @@ public final class Zuc256Tables {
/** /**
* 常量数组 D（16bit short二维数组适配） * 常量数组 D（16bit short二维数组适配）
*/ */
public static final short[] ZUC256_D_FLAT = new short[] { public static final short[] ZUC256_D_FLAT = {
// row 0 // row 0
0x22,0x2F,0x24,0x2A,0x6D,0x40,0x40,0x40, 0x22,0x2F,0x24,0x2A,0x6D,0x40,0x40,0x40,
0x40,0x40,0x40,0x40,0x40,0x52,0x10,0x30, 0x40,0x40,0x40,0x40,0x40,0x52,0x10,0x30,

24
Project/Src/com/cscn/Zuc256Util.java
View File

@@ -98,7 +98,7 @@ public final class Zuc256Util {
} }
// 拆成 31 位数组 [bit0..bit30] // 拆成 31 位数组 [bit0..bit30]
short[] bits = new short[31]; short[] bits = JCSystem.makeTransientShortArray((short)31, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
for (short i = 0; i < 16; i++) { for (short i = 0; i < 16; i++) {
bits[i] = (short)((a_lo >>> i) & 1); bits[i] = (short)((a_lo >>> i) & 1);
} }
@@ -107,7 +107,7 @@ public final class Zuc256Util {
} }
// 旋转 // 旋转
short[] resBits = new short[31]; short[] resBits = JCSystem.makeTransientShortArray((short)31, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
for (short i = 0; i < 31; i++) { for (short i = 0; i < 31; i++) {
short j = (short)((i + k) % 31); short j = (short)((i + k) % 31);
resBits[j] = bits[i]; resBits[j] = bits[i];
@@ -162,8 +162,8 @@ public final class Zuc256Util {
* 输出: out[0]=lo, out[1]=hi * 输出: out[0]=lo, out[1]=hi
*/ */
public static void L1(short x_lo, short x_hi, short[] out /*len==2*/) { public static void L1(short x_lo, short x_hi, short[] out /*len==2*/) {
short[] t = new short[2]; short[] t = JCSystem.makeTransientShortArray((short)2, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
short[] acc = new short[2]; short[] acc = JCSystem.makeTransientShortArray((short)2, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
// acc = x // acc = x
acc[0] = x_lo; acc[0] = x_lo;
@@ -206,8 +206,8 @@ public final class Zuc256Util {
* 输出: out[0]=lo, out[1]=hi * 输出: out[0]=lo, out[1]=hi
*/ */
public static void L2(short x_lo, short x_hi, short[] out /*len==2*/) { public static void L2(short x_lo, short x_hi, short[] out /*len==2*/) {
short[] t = new short[2];//todo to ram short[] t = JCSystem.makeTransientShortArray((short)2, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
short[] acc = new short[2]; short[] acc = JCSystem.makeTransientShortArray((short)2, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
// acc = x // acc = x
acc[0] = x_lo; acc[0] = x_lo;
@@ -295,7 +295,7 @@ public final class Zuc256Util {
// 处理剩余8字节 // 处理剩余8字节
byte[] src = new byte[8]; byte[] src = JCSystem.makeTransientShortArray((short)8, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
for (short i = 0; i < 8; i++) { for (short i = 0; i < 8; i++) {
src[i] = (byte) (input25Byte[(short)(17 + i)] & 0x3F); src[i] = (byte) (input25Byte[(short)(17 + i)] & 0x3F);
} }
@@ -381,7 +381,7 @@ public final class Zuc256Util {
* 输入输出: short[4]，低到高 (a[0]=lo16, a[1]=hi16, a[2]=lo16 of high dword, a[3]=hi16 of high dword) * 输入输出: short[4]，低到高 (a[0]=lo16, a[1]=hi16, a[2]=lo16 of high dword, a[3]=hi16 of high dword)
*/ */
static void add64(short[] a, short[] b) { static void add64(short[] a, short[] b) {
short[] tmp = new short[2]; short[] tmp = JCSystem.makeTransientShortArray((short)2, JCSystem.MEMORY_TYPE_TRANSIENT_RESET);
// 低 32 位 // 低 32 位
short carry = add32_with_carry(a[0], a[1], b[0], b[1], tmp); short carry = add32_with_carry(a[0], a[1], b[0], b[1], tmp);
@@ -475,11 +475,11 @@ public final class Zuc256Util {
*/ */
static void shr32u1(short lo, short hi, short[] out) { static void shr32u1(short lo, short hi, short[] out) {
// >>>1：先处理低16位 // >>>1：先处理低16位
short newLo = (short)(((((lo & (short)0xFFFF) >>> 1) & (short)0x7FFF)) | ((hi & 0x0001) << 15)); short nwLo = (short)(((((lo & (short)0xFFFF) >>> 1) & (short)0x7FFF)) | ((hi & 0x0001) << 15));
short newHi = (short)(((hi & (short)0xFFFF) >>> 1) & (short)0x7FFF); short nwHi = (short)(((hi & (short)0xFFFF) >>> 1) & (short)0x7FFF);
out[0] = newLo; out[0] = nwLo;
out[1] = newHi; out[1] = nwHi;
} }