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提交 a28d8eb4 编写于 作者: 梦里藍天's avatar 梦里藍天
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.classpath 0 → 100644
浏览文件 @ a28d8eb4
<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
<classpathentry kind="src" path=""/>
<classpathentry kind="lib" path="C:/Users/Administrator/workspace/SMDemo/lib/bcprov-jdk15on-1.46.jar"/>
<classpathentry kind="output" path=""/>
</classpath>
.project 0 → 100644
浏览文件 @ a28d8eb4
<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>SMDemo</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.jdt.core.javabuilder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.eclipse.jdt.core.javanature</nature>
</natures>
</projectDescription>
.settings/org.eclipse.core.resources.prefs 0 → 100644
浏览文件 @ a28d8eb4
eclipse.preferences.version=1
encoding//com/security/SM2Utils.java=UTF-8
encoding//com/security/SM3.java=UTF-8
encoding/<project>=UTF-8
com/security/Cipher.java 0 → 100644
浏览文件 @ a28d8eb4
package com.security;
import java.math.BigInteger;
import org.bouncycastle.crypto.AsymmetricCipherKeyPair;
import org.bouncycastle.crypto.params.ECPrivateKeyParameters;
import org.bouncycastle.crypto.params.ECPublicKeyParameters;
import org.bouncycastle.math.ec.ECPoint;
public class Cipher {
private int ct;
private ECPoint p2;
private SM3Digest sm3keybase;
private SM3Digest sm3c3;
private byte key[];
private byte keyOff;
public Cipher() {
this.ct = 1;
this.key = new byte[32];
this.keyOff = 0;
}
private void Reset() {
this.sm3keybase = new SM3Digest();
this.sm3c3 = new SM3Digest();
byte p[] = Util.byteConvert32Bytes(p2.getX().toBigInteger());
this.sm3keybase.update(p, 0, p.length);
this.sm3c3.update(p, 0, p.length);
p = Util.byteConvert32Bytes(p2.getY().toBigInteger());
this.sm3keybase.update(p, 0, p.length);
this.ct = 1;
NextKey();
}
private void NextKey() {
SM3Digest sm3keycur = new SM3Digest(this.sm3keybase);
sm3keycur.update((byte) (ct >> 24 & 0xff));
sm3keycur.update((byte) (ct >> 16 & 0xff));
sm3keycur.update((byte) (ct >> 8 & 0xff));
sm3keycur.update((byte) (ct & 0xff));
sm3keycur.doFinal(key, 0);
this.keyOff = 0;
this.ct++;
}
public ECPoint Init_enc(SM2 sm2, ECPoint userKey) {
AsymmetricCipherKeyPair key = sm2.ecc_key_pair_generator.generateKeyPair();
ECPrivateKeyParameters ecpriv = (ECPrivateKeyParameters) key.getPrivate();
ECPublicKeyParameters ecpub = (ECPublicKeyParameters) key.getPublic();
BigInteger k = ecpriv.getD();
ECPoint c1 = ecpub.getQ();
this.p2 = userKey.multiply(k);
Reset();
return c1;
}
public void Encrypt(byte data[]) {
this.sm3c3.update(data, 0, data.length);
for (int i = 0; i < data.length; i++)
{
if (keyOff == key.length)
{
NextKey();
}
data[i] ^= key[keyOff++];
}
}
public void Init_dec(BigInteger userD, ECPoint c1){
this.p2 = c1.multiply(userD);
Reset();
}
public void Decrypt(byte data[]) {
for (int i = 0; i < data.length; i++){
if (keyOff == key.length){
NextKey();
}
data[i] ^= key[keyOff++];
}
this.sm3c3.update(data, 0, data.length);
}
public void Dofinal(byte c3[]) {
byte p[] = Util.byteConvert32Bytes(p2.getY().toBigInteger());
this.sm3c3.update(p, 0, p.length);
this.sm3c3.doFinal(c3, 0);
Reset();
}
}
com/security/DemoMain.java 0 → 100644
浏览文件 @ a28d8eb4
package com.security;
import java.io.IOException;
import org.bouncycastle.util.encoders.Base64;
import org.bouncycastle.util.encoders.Hex;
/**
*
* @ClassName: DemoMain
* @Description: TODO(国密SM2签名验签/SM3报文摘要)
* @date 2019年5月10日
*/
public class DemoMain {
public static void main(String[] arg) {
String msg = "这是需要发送的数据字符串可以是json也可以是xml";//原始数据
//1.摘要
byte[] md = new byte[32];
SM3Digest sm = new SM3Digest();
sm.update(msg.getBytes(), 0, msg.getBytes().length);
sm.doFinal(md, 0);
String s = new String(Hex.encode(md));
System.out.println("第一步：SM3摘要:"+s.toUpperCase());
//2.摘要签名
// 国密规范测试私钥
String prik = "128B2FA8BD433C6C068C8D803DFF79792A519A55171B1B650C23661D15897263";
String prikS = new String(Base64.encode(Util.hexToByte(prik)));
System.out.println("prikS: " + prikS);
System.out.println("");
// 国密规范测试用户ID
String userId = "ALICE123@YAHOO.COM";
System.out.println("ID: " + Util.getHexString(userId.getBytes()));
System.out.println("");
System.out.println("签名: ");
byte[] sign = null; //摘要签名
try {
sign = SM2Utils.sign(userId.getBytes(), Base64.decode(prikS.getBytes()), Util.hexToByte(s));
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
System.out.println("第二步：摘要签名(sign): " + Util.getHexString(sign));
System.out.println("");
//此处组装(摘要签名（sign） + 原始数据 也就是 String msg) 接收方收到数据后进行验签sign，成功则msg为合法信息
//4.接收方验签
//国密规范测试公钥
String pubk = "040AE4C7798AA0F119471BEE11825BE46202BB79E2A5844495E97C04FF4DF2548A7C0240F88F1CD4E16352A73C17B7F16F07353E53A176D684A9FE0C6BB798E857";
String pubkS = new String(Base64.encode(Util.hexToByte(pubk)));
System.out.println("pubkS: " + pubkS);
System.out.println("");
System.out.println("验签 ");
boolean vs = false; //验签结果
try {
vs = SM2Utils.verifySign(userId.getBytes(), Base64.decode(pubkS.getBytes()), Util.hexToByte(s), sign);
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
System.out.println("最后：验签结果： " + vs);
System.out.println("完");
}
}
com/security/SM2.java 0 → 100644
浏览文件 @ a28d8eb4
package com.security;
import java.math.BigInteger;
import java.security.SecureRandom;
import org.bouncycastle.crypto.generators.ECKeyPairGenerator;
import org.bouncycastle.crypto.params.ECDomainParameters;
import org.bouncycastle.crypto.params.ECKeyGenerationParameters;
import org.bouncycastle.math.ec.ECCurve;
import org.bouncycastle.math.ec.ECFieldElement;
import org.bouncycastle.math.ec.ECPoint;
import org.bouncycastle.math.ec.ECFieldElement.Fp;
public class SM2 {
// 测试参数
public static final String[] ecc_param = {
"8542D69E4C044F18E8B92435BF6FF7DE457283915C45517D722EDB8B08F1DFC3",
"787968B4FA32C3FD2417842E73BBFEFF2F3C848B6831D7E0EC65228B3937E498",
"63E4C6D3B23B0C849CF84241484BFE48F61D59A5B16BA06E6E12D1DA27C5249A",
"8542D69E4C044F18E8B92435BF6FF7DD297720630485628D5AE74EE7C32E79B7",
"421DEBD61B62EAB6746434EBC3CC315E32220B3BADD50BDC4C4E6C147FEDD43D",
"0680512BCBB42C07D47349D2153B70C4E5D7FDFCBFA36EA1A85841B9E46E09A2"
};
// 正式参数
/*public static String[] ecc_param = {
"FFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00000000FFFFFFFFFFFFFFFF",
"FFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00000000FFFFFFFFFFFFFFFC",
"28E9FA9E9D9F5E344D5A9E4BCF6509A7F39789F515AB8F92DDBCBD414D940E93",
"FFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFF7203DF6B21C6052B53BBF40939D54123",
"32C4AE2C1F1981195F9904466A39C9948FE30BBFF2660BE1715A4589334C74C7",
"BC3736A2F4F6779C59BDCEE36B692153D0A9877CC62A474002DF32E52139F0A0"
};*/
public static SM2 Instance(){
return new SM2();
}
public final BigInteger ecc_p;
public final BigInteger ecc_a;
public final BigInteger ecc_b;
public final BigInteger ecc_n;
public final BigInteger ecc_gx;
public final BigInteger ecc_gy;
public final ECCurve ecc_curve;
public final ECPoint ecc_point_g;
public final ECDomainParameters ecc_bc_spec;
public final ECKeyPairGenerator ecc_key_pair_generator;
public final ECFieldElement ecc_gx_fieldelement;
public final ECFieldElement ecc_gy_fieldelement;
public SM2() {
this.ecc_p = new BigInteger(ecc_param[0], 16);
this.ecc_a = new BigInteger(ecc_param[1], 16);
this.ecc_b = new BigInteger(ecc_param[2], 16);
this.ecc_n = new BigInteger(ecc_param[3], 16);
this.ecc_gx = new BigInteger(ecc_param[4], 16);
this.ecc_gy = new BigInteger(ecc_param[5], 16);
this.ecc_gx_fieldelement = new Fp(this.ecc_p, this.ecc_gx);
this.ecc_gy_fieldelement = new Fp(this.ecc_p, this.ecc_gy);
this.ecc_curve = new ECCurve.Fp(this.ecc_p, this.ecc_a, this.ecc_b);
this.ecc_point_g = new ECPoint.Fp(this.ecc_curve, this.ecc_gx_fieldelement, this.ecc_gy_fieldelement);
this.ecc_bc_spec = new ECDomainParameters(this.ecc_curve, this.ecc_point_g, this.ecc_n);
ECKeyGenerationParameters ecc_ecgenparam;
ecc_ecgenparam = new ECKeyGenerationParameters(this.ecc_bc_spec, new SecureRandom());
this.ecc_key_pair_generator = new ECKeyPairGenerator();
this.ecc_key_pair_generator.init(ecc_ecgenparam);
}
public byte[] sm2GetZ(byte[] userId, ECPoint userKey){
SM3Digest sm3 = new SM3Digest();
int len = userId.length * 8;
sm3.update((byte) (len >> 8 & 0xFF));
sm3.update((byte) (len & 0xFF));
sm3.update(userId, 0, userId.length);
byte[] p = Util.byteConvert32Bytes(ecc_a);
sm3.update(p, 0, p.length);
p = Util.byteConvert32Bytes(ecc_b);
sm3.update(p, 0, p.length);
p = Util.byteConvert32Bytes(ecc_gx);
sm3.update(p, 0, p.length);
p = Util.byteConvert32Bytes(ecc_gy);
sm3.update(p, 0, p.length);
p = Util.byteConvert32Bytes(userKey.getX().toBigInteger());
sm3.update(p, 0, p.length);
p = Util.byteConvert32Bytes(userKey.getY().toBigInteger());
sm3.update(p, 0, p.length);
byte[] md = new byte[sm3.getDigestSize()];
sm3.doFinal(md, 0);
return md;
}
public void sm2Sign(byte[] md, BigInteger userD, ECPoint userKey, SM2Result sm2Result) {
BigInteger e = new BigInteger(1, md);
BigInteger k = null;
ECPoint kp = null;
BigInteger r = null;
BigInteger s = null;
do {
do {
// 正是环境
/*AsymmetricCipherKeyPair keypair = ecc_key_pair_generator.generateKeyPair();
ECPrivateKeyParameters ecpriv = (ECPrivateKeyParameters) keypair.getPrivate();
ECPublicKeyParameters ecpub = (ECPublicKeyParameters) keypair.getPublic();
k = ecpriv.getD();
kp = ecpub.getQ();*/
// 国密规范测试 随机数k
String kS = "6CB28D99385C175C94F94E934817663FC176D925DD72B727260DBAAE1FB2F96F";
k = new BigInteger(kS, 16);
kp = this.ecc_point_g.multiply(k);
System.out.println("计算曲线点X1: " + kp.getX().toBigInteger().toString(16));
System.out.println("计算曲线点Y1: " + kp.getY().toBigInteger().toString(16));
System.out.println("");
// r
r = e.add(kp.getX().toBigInteger());
r = r.mod(ecc_n);
} while (r.equals(BigInteger.ZERO) || r.add(k).equals(ecc_n));
// (1 + dA)~-1
BigInteger da_1 = userD.add(BigInteger.ONE);
da_1 = da_1.modInverse(ecc_n);
// s
s = r.multiply(userD);
s = k.subtract(s).mod(ecc_n);
s = da_1.multiply(s).mod(ecc_n);
} while (s.equals(BigInteger.ZERO));
sm2Result.r = r;
sm2Result.s = s;
}
public void sm2Verify(byte md[], ECPoint userKey, BigInteger r, BigInteger s, SM2Result sm2Result) {
sm2Result.R = null;
BigInteger e = new BigInteger(1, md);
BigInteger t = r.add(s).mod(ecc_n);
if(t.equals(BigInteger.ZERO)) {
return;
} else {
ECPoint x1y1 = ecc_point_g.multiply(sm2Result.s);
System.out.println("计算曲线点X0: " + x1y1.getX().toBigInteger().toString(16));
System.out.println("计算曲线点Y0: " + x1y1.getY().toBigInteger().toString(16));
System.out.println("");
x1y1 = x1y1.add(userKey.multiply(t));
System.out.println("计算曲线点X1: " + x1y1.getX().toBigInteger().toString(16));
System.out.println("计算曲线点Y1: " + x1y1.getY().toBigInteger().toString(16));
System.out.println("");
sm2Result.R = e.add(x1y1.getX().toBigInteger()).mod(ecc_n);
System.out.println("R: " + sm2Result.R.toString(16));
return;
}
}
}
com/security/SM2Result.java 0 → 100644
浏览文件 @ a28d8eb4
package com.security;
import java.math.BigInteger;
import org.bouncycastle.math.ec.ECPoint;
public class SM2Result {
public SM2Result() {
}
// 签名/验签
public BigInteger r;
public BigInteger s;
public BigInteger R;
// 密钥交换
public byte[] sa;
public byte[] sb;
public byte[] s1;
public byte[] s2;
public ECPoint keyra;
public ECPoint keyrb;
}
com/security/SM2Utils.java 0 → 100644
浏览文件 @ a28d8eb4
package com.security;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.math.BigInteger;
import java.util.Enumeration;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1InputStream;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DERInteger;
import org.bouncycastle.asn1.DERObject;
import org.bouncycastle.asn1.DEROctetString;
import org.bouncycastle.asn1.DEROutputStream;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.math.ec.ECPoint;
import org.bouncycastle.util.encoders.Base64;
public class SM2Utils {
public static byte[] encrypt(byte[] publicKey, byte[] data) throws IOException {
if (publicKey == null || publicKey.length == 0) {
return null;
}
if (data == null || data.length == 0) {
return null;
}
byte[] source = new byte[data.length];
System.arraycopy(data, 0, source, 0, data.length);
Cipher cipher = new Cipher();
SM2 sm2 = SM2.Instance();
ECPoint userKey = sm2.ecc_curve.decodePoint(publicKey);
ECPoint c1 = cipher.Init_enc(sm2, userKey);
cipher.Encrypt(source);
byte[] c3 = new byte[32];
cipher.Dofinal(c3);
DERInteger x = new DERInteger(c1.getX().toBigInteger());
DERInteger y = new DERInteger(c1.getY().toBigInteger());
DEROctetString derDig = new DEROctetString(c3);
DEROctetString derEnc = new DEROctetString(source);
ASN1EncodableVector v = new ASN1EncodableVector();
v.add(x);
v.add(y);
v.add(derDig);
v.add(derEnc);
DERSequence seq = new DERSequence(v);
ByteArrayOutputStream bos = new ByteArrayOutputStream();
DEROutputStream dos = new DEROutputStream(bos);
dos.writeObject(seq);
return bos.toByteArray();
}
public static byte[] decrypt(byte[] privateKey, byte[] encryptedData) throws IOException {
if (privateKey == null || privateKey.length == 0) {
return null;
}
if (encryptedData == null || encryptedData.length == 0) {
return null;
}
byte[] enc = new byte[encryptedData.length];
System.arraycopy(encryptedData, 0, enc, 0, encryptedData.length);
SM2 sm2 = SM2.Instance();
BigInteger userD = new BigInteger(1, privateKey);
ByteArrayInputStream bis = new ByteArrayInputStream(enc);
ASN1InputStream dis = new ASN1InputStream(bis);
DERObject derObj = dis.readObject();
ASN1Sequence asn1 = (ASN1Sequence) derObj;
DERInteger x = (DERInteger) asn1.getObjectAt(0);
DERInteger y = (DERInteger) asn1.getObjectAt(1);
ECPoint c1 = sm2.ecc_curve.createPoint(x.getValue(), y.getValue(), true);
Cipher cipher = new Cipher();
cipher.Init_dec(userD, c1);
DEROctetString data = (DEROctetString) asn1.getObjectAt(3);
enc = data.getOctets();
cipher.Decrypt(enc);
byte[] c3 = new byte[32];
cipher.Dofinal(c3);
return enc;
}
public static byte[] sign(byte[] userId, byte[] privateKey, byte[] sourceData) throws IOException {
if (privateKey == null || privateKey.length == 0) {
return null;
}
if (sourceData == null || sourceData.length == 0) {
return null;
}
SM2 sm2 = SM2.Instance();
BigInteger userD = new BigInteger(privateKey);
System.out.println("userD: " + userD.toString(16));
System.out.println("");
ECPoint userKey = sm2.ecc_point_g.multiply(userD);
System.out.println("椭圆曲线点X:" + userKey.getX().toBigInteger().toString(16));
System.out.println("椭圆曲线点Y:" + userKey.getY().toBigInteger().toString(16));
System.out.println("");
SM3Digest sm3 = new SM3Digest();
byte[] z = sm2.sm2GetZ(userId, userKey);
System.out.println("SM3摘要Z:" + Util.getHexString(z));
System.out.println("");
System.out.println("M: " + Util.getHexString(sourceData));
System.out.println("");
sm3.update(z, 0, z.length);
sm3.update(sourceData, 0, sourceData.length);
byte[] md = new byte[32];
sm3.doFinal(md, 0);
System.out.println("SM3摘要值:" + Util.getHexString(md));
System.out.println("");
SM2Result sm2Result = new SM2Result();
sm2.sm2Sign(md, userD, userKey, sm2Result);
System.out.println("r: " + sm2Result.r.toString(16));
System.out.println("s: " + sm2Result.s.toString(16));
System.out.println("");
DERInteger d_r = new DERInteger(sm2Result.r);
DERInteger d_s = new DERInteger(sm2Result.s);
ASN1EncodableVector v2 = new ASN1EncodableVector();
v2.add(d_r);
v2.add(d_s);
DERObject sign = new DERSequence(v2);
byte[] signdata = sign.getDEREncoded();
return signdata;
}
@SuppressWarnings("unchecked")
public static boolean verifySign(byte[] userId, byte[] publicKey, byte[] sourceData, byte[] signData) throws IOException {
if (publicKey == null || publicKey.length == 0) {
return false;
}
if (sourceData == null || sourceData.length == 0) {
return false;
}
SM2 sm2 = SM2.Instance();
ECPoint userKey = sm2.ecc_curve.decodePoint(publicKey);
SM3Digest sm3 = new SM3Digest();
byte[] z = sm2.sm2GetZ(userId, userKey);
sm3.update(z, 0, z.length);
sm3.update(sourceData, 0, sourceData.length);
byte[] md = new byte[32];
sm3.doFinal(md, 0);
System.out.println("SM3摘要值:" + Util.getHexString(md));
System.out.println("");
ByteArrayInputStream bis = new ByteArrayInputStream(signData);
ASN1InputStream dis = new ASN1InputStream(bis);
DERObject derObj = dis.readObject();
Enumeration<DERInteger> e = ((ASN1Sequence) derObj).getObjects();
BigInteger r = ((DERInteger)e.nextElement()).getValue();
BigInteger s = ((DERInteger)e.nextElement()).getValue();
SM2Result sm2Result = new SM2Result();
sm2Result.r = r;
sm2Result.s = s;
System.out.println("r: " + sm2Result.r.toString(16));
System.out.println("s: " + sm2Result.s.toString(16));
System.out.println("");
sm2.sm2Verify(md, userKey, sm2Result.r, sm2Result.s, sm2Result);
return sm2Result.r.equals(sm2Result.R);
}
public static void main(String[] args) throws Exception {
String plainText = "message digest";
byte[] sourceData = plainText.getBytes();
// 国密规范测试私钥
String prik = "128B2FA8BD433C6C068C8D803DFF79792A519A55171B1B650C23661D15897263";
String prikS = new String(Base64.encode(Util.hexToByte(prik)));
System.out.println("prikS: " + prikS);
System.out.println("");
// ���ܹ淶�����û�ID
String userId = "ALICE123@YAHOO.COM";
System.out.println("ID: " + Util.getHexString(userId.getBytes()));
System.out.println("");
System.out.println("签名: ");
byte[] c = SM2Utils.sign(userId.getBytes(), Base64.decode(prikS.getBytes()), sourceData);
System.out.println("sign: " + Util.getHexString(c));
System.out.println("");
// 国密规范测试公钥
String pubk = "040AE4C7798AA0F119471BEE11825BE46202BB79E2A5844495E97C04FF4DF2548A7C0240F88F1CD4E16352A73C17B7F16F07353E53A176D684A9FE0C6BB798E857";
String pubkS = new String(Base64.encode(Util.hexToByte(pubk)));
System.out.println("pubkS: " + pubkS);
System.out.println("");
System.out.println("验签 ");
boolean vs = SM2Utils.verifySign(userId.getBytes(), Base64.decode(pubkS.getBytes()), sourceData, c);
System.out.println("验签结果： " + vs);
System.out.println("");
System.out.println("加密: ");
byte[] cipherText = SM2Utils.encrypt(Base64.decode(pubkS.getBytes()), sourceData);
System.out.println(new String(Base64.encode(cipherText)));
System.out.println("");
System.out.println("解密: ");
plainText = new String(SM2Utils.decrypt(Base64.decode(prikS.getBytes()), cipherText));
System.out.println(plainText);
}
}
com/security/SM3.java 0 → 100644
浏览文件 @ a28d8eb4
package com.security;
public class SM3 {
public static final byte[] iv = { 0x73, (byte) 0x80, 0x16, 0x6f, 0x49,
0x14, (byte) 0xb2, (byte) 0xb9, 0x17, 0x24, 0x42, (byte) 0xd7,
(byte) 0xda, (byte) 0x8a, 0x06, 0x00, (byte) 0xa9, 0x6f, 0x30,
(byte) 0xbc, (byte) 0x16, 0x31, 0x38, (byte) 0xaa, (byte) 0xe3,
(byte) 0x8d, (byte) 0xee, 0x4d, (byte) 0xb0, (byte) 0xfb, 0x0e,
0x4e };
public static int[] Tj = new int[64];
static{
for (int i = 0; i < 16; i++){
Tj[i] = 0x79cc4519;
}
for (int i = 16; i < 64; i++){
Tj[i] = 0x7a879d8a;
}
}
public static byte[] CF(byte[] V, byte[] B){
int[] v, b;
v = convert(V);
b = convert(B);
return convert(CF(v, b));
}
private static int[] convert(byte[] arr){
int[] out = new int[arr.length / 4];
byte[] tmp = new byte[4];
for (int i = 0; i < arr.length; i += 4)
{
System.arraycopy(arr, i, tmp, 0, 4);
out[i / 4] = bigEndianByteToInt(tmp);
}
return out;
}
private static byte[] convert(int[] arr){
byte[] out = new byte[arr.length * 4];
byte[] tmp = null;
for (int i = 0; i < arr.length; i++)
{
tmp = bigEndianIntToByte(arr[i]);
System.arraycopy(tmp, 0, out, i * 4, 4);
}
return out;
}
public static int[] CF(int[] V, int[] B){
int a, b, c, d, e, f, g, h;
int ss1, ss2, tt1, tt2;
a = V[0];
b = V[1];
c = V[2];
d = V[3];
e = V[4];
f = V[5];
g = V[6];
h = V[7];
/*System.out.println("IV: ");
System.out.print(Integer.toHexString(a)+" ");
System.out.print(Integer.toHexString(b)+" ");
System.out.print(Integer.toHexString(c)+" ");
System.out.print(Integer.toHexString(d)+" ");
System.out.print(Integer.toHexString(e)+" ");
System.out.print(Integer.toHexString(f)+" ");
System.out.print(Integer.toHexString(g)+" ");
System.out.print(Integer.toHexString(h)+" ");
System.out.println("");
System.out.println("");
System.out.println("填充后的消息: ");
for(int i=0; i<B.length; i++)
{
System.out.print(Integer.toHexString(B[i])+" ");
}
System.out.println("");
System.out.println("");*/
int[][] arr = expand(B);
int[] w = arr[0];
int[] w1 = arr[1];
/*System.out.println("扩展后的消息： ");
System.out.println("W0W1...W67");
print(w);
System.out.println("");
System.out.println("W'0W'1...W'67");
print(w1);
System.out.println("迭代压缩中间值: ");*/
for (int j = 0; j < 64; j++){
ss1 = (bitCycleLeft(a, 12) + e + bitCycleLeft(Tj[j], j));
ss1 = bitCycleLeft(ss1, 7);
ss2 = ss1 ^ bitCycleLeft(a, 12);
tt1 = FFj(a, b, c, j) + d + ss2 + w1[j];
tt2 = GGj(e, f, g, j) + h + ss1 + w[j];
d = c;
c = bitCycleLeft(b, 9);
b = a;
a = tt1;
h = g;
g = bitCycleLeft(f, 19);
f = e;
e = P0(tt2);
/*System.out.print(j+" ");
System.out.print(Integer.toHexString(a)+" ");
System.out.print(Integer.toHexString(b)+" ");
System.out.print(Integer.toHexString(c)+" ");
System.out.print(Integer.toHexString(d)+" ");
System.out.print(Integer.toHexString(e)+" ");
System.out.print(Integer.toHexString(f)+" ");
System.out.print(Integer.toHexString(g)+" ");
System.out.print(Integer.toHexString(h)+" ");
System.out.println("");*/
}
// System.out.println("");
int[] out = new int[8];
out[0] = a ^ V[0];
out[1] = b ^ V[1];
out[2] = c ^ V[2];
out[3] = d ^ V[3];
out[4] = e ^ V[4];
out[5] = f ^ V[5];
out[6] = g ^ V[6];
out[7] = h ^ V[7];
return out;
}
private static int[][] expand(int[] B){
int W[] = new int[68];
int W1[] = new int[64];
for (int i = 0; i < B.length; i++){
W[i] = B[i];
}
for (int i = 16; i < 68; i++){
W[i] = P1(W[i - 16] ^ W[i - 9] ^ bitCycleLeft(W[i - 3], 15))
^ bitCycleLeft(W[i - 13], 7) ^ W[i - 6];
}
for (int i = 0; i < 64; i++){
W1[i] = W[i] ^ W[i + 4];
}
int arr[][] = new int[][] { W, W1 };
return arr;
}
private static byte[] bigEndianIntToByte(int num){
return back(Util.intToBytes(num));
}
private static int bigEndianByteToInt(byte[] bytes){
return Util.byteToInt(back(bytes));
}
private static int FFj(int X, int Y, int Z, int j){
if (j >= 0 && j <= 15){
return FF1j(X, Y, Z);
}else{
return FF2j(X, Y, Z);
}
}
private static int GGj(int X, int Y, int Z, int j){
if (j >= 0 && j <= 15){
return GG1j(X, Y, Z);
}else{
return GG2j(X, Y, Z);
}
}
// 逻辑位运算函数
private static int FF1j(int X, int Y, int Z){
int tmp = X ^ Y ^ Z;
return tmp;
}
private static int FF2j(int X, int Y, int Z){
int tmp = ((X & Y) | (X & Z) | (Y & Z));
return tmp;
}
private static int GG1j(int X, int Y, int Z){
int tmp = X ^ Y ^ Z;
return tmp;
}
private static int GG2j(int X, int Y, int Z){
int tmp = (X & Y) | (~X & Z);
return tmp;
}
private static int P0(int X){
int y = rotateLeft(X, 9);
y = bitCycleLeft(X, 9);
int z = rotateLeft(X, 17);
z = bitCycleLeft(X, 17);
int t = X ^ y ^ z;
return t;
}
private static int P1(int X){
int t = X ^ bitCycleLeft(X, 15) ^ bitCycleLeft(X, 23);
return t;
}
/**
* 对最后一个分组字节数据padding
*
* @param in
* @param bLen
* 分组个数
* @return
*/
public static byte[] padding(byte[] in, int bLen){
int k = 448 - (8 * in.length + 1) % 512;
if (k < 0){
k = 960 - (8 * in.length + 1) % 512;
}
k += 1;
byte[] padd = new byte[k / 8];
padd[0] = (byte) 0x80;
long n = in.length * 8 + bLen * 512;
byte[] out = new byte[in.length + k / 8 + 64 / 8];
int pos = 0;
System.arraycopy(in, 0, out, 0, in.length);
pos += in.length;
System.arraycopy(padd, 0, out, pos, padd.length);
pos += padd.length;
byte[] tmp = back(Util.longToBytes(n));
System.arraycopy(tmp, 0, out, pos, tmp.length);
return out;
}
/**
* 字节数组逆序
*
* @param in
* @return
*/
private static byte[] back(byte[] in){
byte[] out = new byte[in.length];
for (int i = 0; i < out.length; i++){
out[i] = in[out.length - i - 1];
}
return out;
}
public static int rotateLeft(int x, int n){
return (x << n) | (x >> (32 - n));
}
private static int bitCycleLeft(int n, int bitLen){
bitLen %= 32;
byte[] tmp = bigEndianIntToByte(n);
int byteLen = bitLen / 8;
int len = bitLen % 8;
if (byteLen > 0){
tmp = byteCycleLeft(tmp, byteLen);
}
if (len > 0){
tmp = bitSmall8CycleLeft(tmp, len);
}
return bigEndianByteToInt(tmp);
}
private static byte[] bitSmall8CycleLeft(byte[] in, int len){
byte[] tmp = new byte[in.length];
int t1, t2, t3;
for (int i = 0; i < tmp.length; i++){
t1 = (byte) ((in[i] & 0x000000ff) << len);
t2 = (byte) ((in[(i + 1) % tmp.length] & 0x000000ff) >> (8 - len));
t3 = (byte) (t1 | t2);
tmp[i] = (byte) t3;
}
return tmp;
}
private static byte[] byteCycleLeft(byte[] in, int byteLen){
byte[] tmp = new byte[in.length];
System.arraycopy(in, byteLen, tmp, 0, in.length - byteLen);
System.arraycopy(in, 0, tmp, in.length - byteLen, byteLen);
return tmp;
}
/*private static void print(int[] arr)
{
for (int i = 0; i < arr.length; i++)
{
System.out.print(Integer.toHexString(arr[i]) + " ");
if ((i + 1) % 16 == 0)
{
System.out.println();
}
}
System.out.println();
}*/
}
com/security/SM3Digest.java 0 → 100644
浏览文件 @ a28d8eb4
package com.security;
import org.bouncycastle.util.encoders.Hex;
public class SM3Digest{
/** SM3值的长度 */
private static final int BYTE_LENGTH = 32;
/** SM3分组长度 */
private static final int BLOCK_LENGTH = 64;
/** 缓冲区长度 */
private static final int BUFFER_LENGTH = BLOCK_LENGTH * 1;
/** 缓冲区 */
private byte[] xBuf = new byte[BUFFER_LENGTH];
/** 缓冲区偏移量 */
private int xBufOff;
/** 初始向量 */
private byte[] V = SM3.iv.clone();
private int cntBlock = 0;
public SM3Digest() {
}
public SM3Digest(SM3Digest t){
System.arraycopy(t.xBuf, 0, this.xBuf, 0, t.xBuf.length);
this.xBufOff = t.xBufOff;
System.arraycopy(t.V, 0, this.V, 0, t.V.length);
}
/**
* SM3结果输出
*
* @param out 保存SM3结构的缓冲区
* @param outOff 缓冲区偏移量
* @return
*/
public int doFinal(byte[] out, int outOff){
byte[] tmp = doFinal();
System.arraycopy(tmp, 0, out, 0, tmp.length);
return BYTE_LENGTH;
}
public void reset(){
xBufOff = 0;
cntBlock = 0;
V = SM3.iv.clone();
}
/**
* 明文输入
*
* @param in
* 明文输入缓冲区
* @param inOff
* 缓冲区偏移量
* @param len
* 明文长度
*/
public void update(byte[] in, int inOff, int len){
int partLen = BUFFER_LENGTH - xBufOff;
int inputLen = len;
int dPos = inOff;
if (partLen < inputLen){
System.arraycopy(in, dPos, xBuf, xBufOff, partLen);
inputLen -= partLen;
dPos += partLen;
doUpdate();
while (inputLen > BUFFER_LENGTH){
System.arraycopy(in, dPos, xBuf, 0, BUFFER_LENGTH);
inputLen -= BUFFER_LENGTH;
dPos += BUFFER_LENGTH;
doUpdate();
}
}
System.arraycopy(in, dPos, xBuf, xBufOff, inputLen);
xBufOff += inputLen;
}
private void doUpdate(){
byte[] B = new byte[BLOCK_LENGTH];
for (int i = 0; i < BUFFER_LENGTH; i += BLOCK_LENGTH){
System.arraycopy(xBuf, i, B, 0, B.length);
doHash(B);
}
xBufOff = 0;
}
private void doHash(byte[] B){
byte[] tmp = SM3.CF(V, B);
System.arraycopy(tmp, 0, V, 0, V.length);
cntBlock++;
}
private byte[] doFinal(){
byte[] B = new byte[BLOCK_LENGTH];
byte[] buffer = new byte[xBufOff];
System.arraycopy(xBuf, 0, buffer, 0, buffer.length);
byte[] tmp = SM3.padding(buffer, cntBlock);
for (int i = 0; i < tmp.length; i += BLOCK_LENGTH)
{
System.arraycopy(tmp, i, B, 0, B.length);
doHash(B);
}
return V;
}
public void update(byte in){
byte[] buffer = new byte[] { in };
update(buffer, 0, 1);
}
public int getDigestSize(){
return BYTE_LENGTH;
}
}
com/security/SM4.java 0 → 100644
浏览文件 @ a28d8eb4
package com.security;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
public class SM4 {
public static final int SM4_ENCRYPT = 1;
public static final int SM4_DECRYPT = 0;
private long GET_ULONG_BE(byte[] b, int i) {
long n = (long)(b[i] & 0xff) << 24 | (long)((b[i + 1] & 0xff) << 16) | (long)((b[i + 2] & 0xff) << 8) | (long)(b[i + 3] & 0xff) & 0xffffffffL;
return n;
}
private void PUT_ULONG_BE(long n, byte[] b, int i) {
b[i] = (byte)(int)(0xFF & n >> 24);
b[i + 1] = (byte)(int)(0xFF & n >> 16);
b[i + 2] = (byte)(int)(0xFF & n >> 8);
b[i + 3] = (byte)(int)(0xFF & n);
}
private long SHL(long x, int n) {
return (x & 0xFFFFFFFF) << n;
}
private long ROTL(long x, int n) {
return SHL(x, n) | x >> (32 - n);
}
private void SWAP(long[] sk, int i) {
long t = sk[i];
sk[i] = sk[(31 - i)];
sk[(31 - i)] = t;
}
public static final byte[] SboxTable = { (byte) 0xd6, (byte) 0x90, (byte) 0xe9, (byte) 0xfe,
(byte) 0xcc, (byte) 0xe1, 0x3d, (byte) 0xb7, 0x16, (byte) 0xb6,
0x14, (byte) 0xc2, 0x28, (byte) 0xfb, 0x2c, 0x05, 0x2b, 0x67,
(byte) 0x9a, 0x76, 0x2a, (byte) 0xbe, 0x04, (byte) 0xc3,
(byte) 0xaa, 0x44, 0x13, 0x26, 0x49, (byte) 0x86, 0x06,
(byte) 0x99, (byte) 0x9c, 0x42, 0x50, (byte) 0xf4, (byte) 0x91,
(byte) 0xef, (byte) 0x98, 0x7a, 0x33, 0x54, 0x0b, 0x43,
(byte) 0xed, (byte) 0xcf, (byte) 0xac, 0x62, (byte) 0xe4,
(byte) 0xb3, 0x1c, (byte) 0xa9, (byte) 0xc9, 0x08, (byte) 0xe8,
(byte) 0x95, (byte) 0x80, (byte) 0xdf, (byte) 0x94, (byte) 0xfa,
0x75, (byte) 0x8f, 0x3f, (byte) 0xa6, 0x47, 0x07, (byte) 0xa7,
(byte) 0xfc, (byte) 0xf3, 0x73, 0x17, (byte) 0xba, (byte) 0x83,
0x59, 0x3c, 0x19, (byte) 0xe6, (byte) 0x85, 0x4f, (byte) 0xa8,
0x68, 0x6b, (byte) 0x81, (byte) 0xb2, 0x71, 0x64, (byte) 0xda,
(byte) 0x8b, (byte) 0xf8, (byte) 0xeb, 0x0f, 0x4b, 0x70, 0x56,
(byte) 0x9d, 0x35, 0x1e, 0x24, 0x0e, 0x5e, 0x63, 0x58, (byte) 0xd1,
(byte) 0xa2, 0x25, 0x22, 0x7c, 0x3b, 0x01, 0x21, 0x78, (byte) 0x87,
(byte) 0xd4, 0x00, 0x46, 0x57, (byte) 0x9f, (byte) 0xd3, 0x27,
0x52, 0x4c, 0x36, 0x02, (byte) 0xe7, (byte) 0xa0, (byte) 0xc4,
(byte) 0xc8, (byte) 0x9e, (byte) 0xea, (byte) 0xbf, (byte) 0x8a,
(byte) 0xd2, 0x40, (byte) 0xc7, 0x38, (byte) 0xb5, (byte) 0xa3,
(byte) 0xf7, (byte) 0xf2, (byte) 0xce, (byte) 0xf9, 0x61, 0x15,
(byte) 0xa1, (byte) 0xe0, (byte) 0xae, 0x5d, (byte) 0xa4,
(byte) 0x9b, 0x34, 0x1a, 0x55, (byte) 0xad, (byte) 0x93, 0x32,
0x30, (byte) 0xf5, (byte) 0x8c, (byte) 0xb1, (byte) 0xe3, 0x1d,
(byte) 0xf6, (byte) 0xe2, 0x2e, (byte) 0x82, 0x66, (byte) 0xca,
0x60, (byte) 0xc0, 0x29, 0x23, (byte) 0xab, 0x0d, 0x53, 0x4e, 0x6f,
(byte) 0xd5, (byte) 0xdb, 0x37, 0x45, (byte) 0xde, (byte) 0xfd,
(byte) 0x8e, 0x2f, 0x03, (byte) 0xff, 0x6a, 0x72, 0x6d, 0x6c, 0x5b,
0x51, (byte) 0x8d, 0x1b, (byte) 0xaf, (byte) 0x92, (byte) 0xbb,
(byte) 0xdd, (byte) 0xbc, 0x7f, 0x11, (byte) 0xd9, 0x5c, 0x41,
0x1f, 0x10, 0x5a, (byte) 0xd8, 0x0a, (byte) 0xc1, 0x31,
(byte) 0x88, (byte) 0xa5, (byte) 0xcd, 0x7b, (byte) 0xbd, 0x2d,
0x74, (byte) 0xd0, 0x12, (byte) 0xb8, (byte) 0xe5, (byte) 0xb4,
(byte) 0xb0, (byte) 0x89, 0x69, (byte) 0x97, 0x4a, 0x0c,
(byte) 0x96, 0x77, 0x7e, 0x65, (byte) 0xb9, (byte) 0xf1, 0x09,
(byte) 0xc5, 0x6e, (byte) 0xc6, (byte) 0x84, 0x18, (byte) 0xf0,
0x7d, (byte) 0xec, 0x3a, (byte) 0xdc, 0x4d, 0x20, 0x79,
(byte) 0xee, 0x5f, 0x3e, (byte) 0xd7, (byte) 0xcb, 0x39, 0x48 };
public static final int[] FK = { 0xa3b1bac6, 0x56aa3350, 0x677d9197, 0xb27022dc };
public static final int[] CK = { 0x00070e15,0x1c232a31,0x383f464d,0x545b6269,
0x70777e85,0x8c939aa1,0xa8afb6bd,0xc4cbd2d9,
0xe0e7eef5,0xfc030a11,0x181f262d,0x343b4249,
0x50575e65,0x6c737a81,0x888f969d,0xa4abb2b9,
0xc0c7ced5,0xdce3eaf1,0xf8ff060d,0x141b2229,
0x30373e45,0x4c535a61,0x686f767d,0x848b9299,
0xa0a7aeb5,0xbcc3cad1,0xd8dfe6ed,0xf4fb0209,
0x10171e25,0x2c333a41,0x484f565d,0x646b7279 };
private byte sm4Sbox(byte inch) {
int i = inch & 0xFF;
byte retVal = SboxTable[i];
return retVal;
}
private long sm4Lt(long ka) {
long bb = 0L;
long c = 0L;
byte[] a = new byte[4];
byte[] b = new byte[4];
PUT_ULONG_BE(ka, a, 0);
b[0] = sm4Sbox(a[0]);
b[1] = sm4Sbox(a[1]);
b[2] = sm4Sbox(a[2]);
b[3] = sm4Sbox(a[3]);
bb = GET_ULONG_BE(b, 0);
c = bb ^ ROTL(bb, 2) ^ ROTL(bb, 10) ^ ROTL(bb, 18) ^ ROTL(bb, 24);
return c;
}
private long sm4F(long x0, long x1, long x2, long x3, long rk) {
return x0 ^ sm4Lt(x1 ^ x2 ^ x3 ^ rk);
}
private long sm4CalciRK(long ka) {
long bb = 0L;
long rk = 0L;
byte[] a = new byte[4];
byte[] b = new byte[4];
PUT_ULONG_BE(ka, a, 0);
b[0] = sm4Sbox(a[0]);
b[1] = sm4Sbox(a[1]);
b[2] = sm4Sbox(a[2]);
b[3] = sm4Sbox(a[3]);
bb = GET_ULONG_BE(b, 0);
rk = bb ^ ROTL(bb, 13) ^ ROTL(bb, 23);
return rk;
}
private void sm4_setkey(long[] SK, byte[] key) {
long[] MK = new long[4];
long[] k = new long[36];
int i = 0;
MK[0] = GET_ULONG_BE(key, 0);
MK[1] = GET_ULONG_BE(key, 4);
MK[2] = GET_ULONG_BE(key, 8);
MK[3] = GET_ULONG_BE(key, 12);
k[0] = MK[0] ^ (long) FK[0];
k[1] = MK[1] ^ (long) FK[1];
k[2] = MK[2] ^ (long) FK[2];
k[3] = MK[3] ^ (long) FK[3];
for (; i < 32; i++) {
k[(i + 4)] = (k[i] ^ sm4CalciRK(k[(i + 1)] ^ k[(i + 2)] ^ k[(i + 3)] ^ (long) CK[i]));
SK[i] = k[(i + 4)];
}
}
private void sm4_one_round(long[] sk, byte[] input, byte[] output) {
int i = 0;
long[] ulbuf = new long[36];
ulbuf[0] = GET_ULONG_BE(input, 0);
ulbuf[1] = GET_ULONG_BE(input, 4);
ulbuf[2] = GET_ULONG_BE(input, 8);
ulbuf[3] = GET_ULONG_BE(input, 12);
while (i < 32)
{
ulbuf[(i + 4)] = sm4F(ulbuf[i], ulbuf[(i + 1)], ulbuf[(i + 2)], ulbuf[(i + 3)], sk[i]);
i++;
}
PUT_ULONG_BE(ulbuf[35], output, 0);
PUT_ULONG_BE(ulbuf[34], output, 4);
PUT_ULONG_BE(ulbuf[33], output, 8);
PUT_ULONG_BE(ulbuf[32], output, 12);
}
private byte[] padding(byte[] input, int mode) {
if (input == null) {
return null;
}
byte[] ret = (byte[]) null;
if (mode == SM4_ENCRYPT) {
int p = 16 - input.length % 16;
ret = new byte[input.length + p];
System.arraycopy(input, 0, ret, 0, input.length);
for (int i = 0; i < p; i++) {
ret[input.length + i] = (byte) p;
}
} else{
int p = input[input.length - 1];
ret = new byte[input.length - p];
System.arraycopy(input, 0, ret, 0, input.length - p);
}
return ret;
}
public void sm4_setkey_enc(SM4_Context ctx, byte[] key) throws Exception {
if (ctx == null) {
throw new Exception("ctx is null!");
}
if (key == null || key.length != 16) {
throw new Exception("key error!");
}
ctx.mode = SM4_ENCRYPT;
sm4_setkey(ctx.sk, key);
}
public void sm4_setkey_dec(SM4_Context ctx, byte[] key) throws Exception {
if (ctx == null) {
throw new Exception("ctx is null!");
}
if (key == null || key.length != 16) {
throw new Exception("key error!");
}
int i = 0;
ctx.mode = SM4_DECRYPT;
sm4_setkey(ctx.sk, key);
for (i = 0; i < 16; i++) {
SWAP(ctx.sk, i);
}
}
public byte[] sm4_crypt_ecb(SM4_Context ctx, byte[] input) throws Exception {
if (input == null) {
throw new Exception("input is null!");
}
if ((ctx.isPadding) && (ctx.mode == SM4_ENCRYPT)) {
input = padding(input, SM4_ENCRYPT);
}
int length = input.length;
ByteArrayInputStream bins = new ByteArrayInputStream(input);
ByteArrayOutputStream bous = new ByteArrayOutputStream();
for(; length > 0; length -= 16) {
byte[] in = new byte[16];
byte[] out = new byte[16];
bins.read(in);
sm4_one_round(ctx.sk, in, out);
bous.write(out);
}
byte[] output = bous.toByteArray();
if (ctx.isPadding && ctx.mode == SM4_DECRYPT) {
output = padding(output, SM4_DECRYPT);
}
bins.close();
bous.close();
return output;
}
public byte[] sm4_crypt_cbc(SM4_Context ctx, byte[] iv, byte[] input) throws Exception {
if (iv == null || iv.length != 16) {
throw new Exception("iv error!");
}
if (input == null) {
throw new Exception("input is null!");
}
if (ctx.isPadding && ctx.mode == SM4_ENCRYPT) {
input = padding(input, SM4_ENCRYPT);
}
int i = 0;
int length = input.length;
ByteArrayInputStream bins = new ByteArrayInputStream(input);
ByteArrayOutputStream bous = new ByteArrayOutputStream();
if (ctx.mode == SM4_ENCRYPT) {
for(; length > 0; length -= 16) {
byte[] in = new byte[16];
byte[] out = new byte[16];
byte[] out1 = new byte[16];
bins.read(in);
for (i = 0; i < 16; i++) {
out[i] = ((byte) (in[i] ^ iv[i]));
}
sm4_one_round(ctx.sk, out, out1);
System.arraycopy(out1, 0, iv, 0, 16);
bous.write(out1);
}
} else{
byte[] temp = new byte[16];
for(; length > 0; length -= 16) {
byte[] in = new byte[16];
byte[] out = new byte[16];
byte[] out1 = new byte[16];
bins.read(in);
System.arraycopy(in, 0, temp, 0, 16);
sm4_one_round(ctx.sk, in, out);
for (i = 0; i < 16; i++) {
out1[i] = ((byte) (out[i] ^ iv[i]));
}
System.arraycopy(temp, 0, iv, 0, 16);
bous.write(out1);
}
}
byte[] output = bous.toByteArray();
if (ctx.isPadding && ctx.mode == SM4_DECRYPT) {
output = padding(output, SM4_DECRYPT);
}
bins.close();
bous.close();
return output;
}
}
com/security/SM4Utils.java 0 → 100644
浏览文件 @ a28d8eb4
package com.security;
import java.io.IOException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;
public class SM4Utils {
private String secretKey = "";
private String iv = "";
private boolean hexString = false;
public SM4Utils() {
}
public String encryptData_ECB(String plainText) {
try {
SM4_Context ctx = new SM4_Context();
ctx.isPadding = true;
ctx.mode = SM4.SM4_ENCRYPT;
byte[] keyBytes;
if (hexString) {
keyBytes = Util.hexStringToBytes(secretKey);
} else {
keyBytes = secretKey.getBytes();
}
SM4 sm4 = new SM4();
sm4.sm4_setkey_enc(ctx, keyBytes);
byte[] encrypted = sm4.sm4_crypt_ecb(ctx, plainText.getBytes("GBK"));
String cipherText = new BASE64Encoder().encode(encrypted);
if (cipherText != null && cipherText.trim().length() > 0) {
Pattern p = Pattern.compile("\\s*|\t|\r|\n");
Matcher m = p.matcher(cipherText);
cipherText = m.replaceAll("");
}
return cipherText;
}
catch (Exception e) {
e.printStackTrace();
return null;
}
}
public String decryptData_ECB(String cipherText) {
try {
SM4_Context ctx = new SM4_Context();
ctx.isPadding = true;
ctx.mode = SM4.SM4_DECRYPT;
byte[] keyBytes;
if (hexString) {
keyBytes = Util.hexStringToBytes(secretKey);
} else {
keyBytes = secretKey.getBytes();
}
SM4 sm4 = new SM4();
sm4.sm4_setkey_dec(ctx, keyBytes);
byte[] decrypted = sm4.sm4_crypt_ecb(ctx, new BASE64Decoder().decodeBuffer(cipherText));
return new String(decrypted, "GBK");
}
catch (Exception e) {
e.printStackTrace();
return null;
}
}
public String encryptData_CBC(String plainText) {
try {
SM4_Context ctx = new SM4_Context();
ctx.isPadding = true;
ctx.mode = SM4.SM4_ENCRYPT;
byte[] keyBytes;
byte[] ivBytes;
if (hexString) {
keyBytes = Util.hexStringToBytes(secretKey);
ivBytes = Util.hexStringToBytes(iv);
}else{
keyBytes = secretKey.getBytes();
ivBytes = iv.getBytes();
}
SM4 sm4 = new SM4();
sm4.sm4_setkey_enc(ctx, keyBytes);
byte[] encrypted = sm4.sm4_crypt_cbc(ctx, ivBytes, plainText.getBytes("GBK"));
String cipherText = new BASE64Encoder().encode(encrypted);
if (cipherText != null && cipherText.trim().length() > 0) {
Pattern p = Pattern.compile("\\s*|\t|\r|\n");
Matcher m = p.matcher(cipherText);
cipherText = m.replaceAll("");
}
return cipherText;
}
catch (Exception e) {
e.printStackTrace();
return null;
}
}
public String decryptData_CBC(String cipherText) {
try {
SM4_Context ctx = new SM4_Context();
ctx.isPadding = true;
ctx.mode = SM4.SM4_DECRYPT;
byte[] keyBytes;
byte[] ivBytes;
if (hexString) {
keyBytes = Util.hexStringToBytes(secretKey);
ivBytes = Util.hexStringToBytes(iv);
} else {
keyBytes = secretKey.getBytes();
ivBytes = iv.getBytes();
}
SM4 sm4 = new SM4();
sm4.sm4_setkey_dec(ctx, keyBytes);
byte[] decrypted = sm4.sm4_crypt_cbc(ctx, ivBytes, new BASE64Decoder().decodeBuffer(cipherText));
return new String(decrypted, "GBK");
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
public static void main(String[] args) throws IOException {
String plainText = "abcd";
SM4Utils sm4 = new SM4Utils();
sm4.secretKey = "JeF8U9wHFOMfs2Y8";
sm4.hexString = false;
System.out.println("ECB模式");
String cipherText = sm4.encryptData_ECB(plainText);
System.out.println("密文: " + cipherText);
System.out.println("");
plainText = sm4.decryptData_ECB(cipherText);
System.out.println("明文: " + plainText);
System.out.println("");
System.out.println("CBC模式");
sm4.iv = "UISwD9fW6cFh9SNS";
cipherText = sm4.encryptData_CBC(plainText);
System.out.println("密文: " + cipherText);
System.out.println("");
plainText = sm4.decryptData_CBC(cipherText);
System.out.println("明文: " + plainText);
}
}
com/security/SM4_Context.java 0 → 100644
浏览文件 @ a28d8eb4
package com.security;
public class SM4_Context {
public int mode;
public long[] sk;
public boolean isPadding;
public SM4_Context() {
this.mode = 1;
this.isPadding = true;
this.sk = new long[32];
}
}
com/security/Util.java 0 → 100644
浏览文件 @ a28d8eb4
package com.security;
import java.math.BigInteger;
public class Util {
/**
* 整形转换成网络传输的字节流（字节数组）型数据
*
* @param num 一个整型数据
* @return 4个字节的自己数组
*/
public static byte[] intToBytes(int num) {
byte[] bytes = new byte[4];
bytes[0] = (byte) (0xff & (num >> 0));
bytes[1] = (byte) (0xff & (num >> 8));
bytes[2] = (byte) (0xff & (num >> 16));
bytes[3] = (byte) (0xff & (num >> 24));
return bytes;
}
/**
* 四个字节的字节数据转换成一个整形数据
*
* @param bytes 4个字节的字节数组
* @return 一个整型数据
*/
public static int byteToInt(byte[] bytes) {
int num = 0;
int temp;
temp = (0x000000ff & (bytes[0])) << 0;
num = num | temp;
temp = (0x000000ff & (bytes[1])) << 8;
num = num | temp;
temp = (0x000000ff & (bytes[2])) << 16;
num = num | temp;
temp = (0x000000ff & (bytes[3])) << 24;
num = num | temp;
return num;
}
/**
* 长整形转换成网络传输的字节流（字节数组）型数据
*
* @param num 一个长整型数据
* @return 4个字节的自己数组
*/
public static byte[] longToBytes(long num) {
byte[] bytes = new byte[8];
for (int i = 0; i < 8; i++)
{
bytes[i] = (byte) (0xff & (num >> (i * 8)));
}
return bytes;
}
/**
* 大数字转换字节流（字节数组）型数据
*
* @param n
* @return
*/
public static byte[] byteConvert32Bytes(BigInteger n) {
byte tmpd[] = (byte[])null;
if(n == null) {
return null;
}
if(n.toByteArray().length == 33) {
tmpd = new byte[32];
System.arraycopy(n.toByteArray(), 1, tmpd, 0, 32);
} else if(n.toByteArray().length == 32) {
tmpd = n.toByteArray();
} else {
tmpd = new byte[32];
for(int i = 0; i < 32 - n.toByteArray().length; i++) {
tmpd[i] = 0;
}
System.arraycopy(n.toByteArray(), 0, tmpd, 32 - n.toByteArray().length, n.toByteArray().length);
}
return tmpd;
}
/**
* 换字节流（字节数组）型数据转大数字
*
* @param b
* @return
*/
public static BigInteger byteConvertInteger(byte[] b) {
if (b[0] < 0) {
byte[] temp = new byte[b.length + 1];
temp[0] = 0;
System.arraycopy(b, 0, temp, 1, b.length);
return new BigInteger(temp);
}
return new BigInteger(b);
}
/**
* 根据字节数组获得值(十六进制数字)
*
* @param bytes
* @return
*/
public static String getHexString(byte[] bytes){
return getHexString(bytes, true);
}
/**
* 根据字节数组获得值(十六进制数字)
*
* @param bytes
* @param upperCase
* @return
*/
public static String getHexString(byte[] bytes, boolean upperCase) {
String ret = "";
for (int i = 0; i < bytes.length; i++) {
ret += Integer.toString((bytes[i] & 0xff) + 0x100, 16).substring(1);
}
return upperCase ? ret.toUpperCase() : ret;
}
/**
* 打印十六进制字符串
*
* @param bytes
*/
public static void printHexString(byte[] bytes) {
for (int i = 0; i < bytes.length; i++) {
String hex = Integer.toHexString(bytes[i] & 0xFF);
if (hex.length() == 1) {
hex = '0' + hex;
}
System.out.print("0x" + hex.toUpperCase() + ",");
}
System.out.println("");
}
/**
* Convert hex string to byte[]
*
* @param hexString
* the hex string
* @return byte[]
*/
public static byte[] hexStringToBytes(String hexString) {
if (hexString == null || hexString.equals("")) {
return null;
}
hexString = hexString.toUpperCase();
int length = hexString.length() / 2;
char[] hexChars = hexString.toCharArray();
byte[] d = new byte[length];
for (int i = 0; i < length; i++) {
int pos = i * 2;
d[i] = (byte) (charToByte(hexChars[pos]) << 4 | charToByte(hexChars[pos + 1]));
}
return d;
}
/**
* Convert char to byte
*
* @param c
* char
* @return byte
*/
public static byte charToByte(char c) {
return (byte) "0123456789ABCDEF".indexOf(c);
}
/**
* 用于建立十六进制字符的输出的小写字符数组
*/
private static final char[] DIGITS_LOWER = {'0', '1', '2', '3', '4', '5',
'6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
/**
* 用于建立十六进制字符的输出的大写字符数组
*/
private static final char[] DIGITS_UPPER = {'0', '1', '2', '3', '4', '5',
'6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
/**
* 将字节数组转换为十六进制字符数组
*
* @param data byte[]
* @return 十六进制char[]
*/
public static char[] encodeHex(byte[] data) {
return encodeHex(data, true);
}
/**
* 将字节数组转换为十六进制字符数组
*
* @param data byte[]
* @param toLowerCase <code>true</code> 传换成小写格式 ， <code>false</code> 传换成大写格式
* @return 十六进制char[]
*/
public static char[] encodeHex(byte[] data, boolean toLowerCase) {
return encodeHex(data, toLowerCase ? DIGITS_LOWER : DIGITS_UPPER);
}
/**
* 将字节数组转换为十六进制字符数组
*
* @param data byte[]
* @param toDigits 用于控制输出的char[]
* @return 十六进制char[]
*/
protected static char[] encodeHex(byte[] data, char[] toDigits) {
int l = data.length;
char[] out = new char[l << 1];
// two characters form the hex value.
for (int i = 0, j = 0; i < l; i++) {
out[j++] = toDigits[(0xF0 & data[i]) >>> 4];
out[j++] = toDigits[0x0F & data[i]];
}
return out;
}
/**
* 将字节数组转换为十六进制字符串
*
* @param data byte[]
* @return 十六进制String
*/
public static String encodeHexString(byte[] data) {
return encodeHexString(data, true);
}
/**
* 将字节数组转换为十六进制字符串
*
* @param data byte[]
* @param toLowerCase <code>true</code> 传换成小写格式 ， <code>false</code> 传换成大写格式
* @return 十六进制String
*/
public static String encodeHexString(byte[] data, boolean toLowerCase) {
return encodeHexString(data, toLowerCase ? DIGITS_LOWER : DIGITS_UPPER);
}
/**
* 将字节数组转换为十六进制字符串
*
* @param data byte[]
* @param toDigits 用于控制输出的char[]
* @return 十六进制String
*/
protected static String encodeHexString(byte[] data, char[] toDigits) {
return new String(encodeHex(data, toDigits));
}
/**
* 将十六进制字符数组转换为字节数组
*
* @param data 十六进制char[]
* @return byte[]
* @throws RuntimeException 如果源十六进制字符数组是一个奇怪的长度，将抛出运行时异常
*/
public static byte[] decodeHex(char[] data) {
int len = data.length;
if ((len & 0x01) != 0) {
throw new RuntimeException("Odd number of characters.");
}
byte[] out = new byte[len >> 1];
// two characters form the hex value.
for (int i = 0, j = 0; j < len; i++) {
int f = toDigit(data[j], j) << 4;
j++;
f = f | toDigit(data[j], j);
j++;
out[i] = (byte) (f & 0xFF);
}
return out;
}
/**
* 将十六进制字符转换成一个整数
*
* @param ch 十六进制char
* @param index 十六进制字符在字符数组中的位置
* @return 一个整数
* @throws RuntimeException 当ch不是一个合法的十六进制字符时，抛出运行时异常
*/
protected static int toDigit(char ch, int index) {
int digit = Character.digit(ch, 16);
if (digit == -1) {
throw new RuntimeException("Illegal hexadecimal character " + ch
+ " at index " + index);
}
return digit;
}
/**
* 数字字符串转ASCII码字符串
*
* @param String
* 字符串
* @return ASCII字符串
*/
public static String StringToAsciiString(String content) {
String result = "";
int max = content.length();
for (int i = 0; i < max; i++) {
char c = content.charAt(i);
String b = Integer.toHexString(c);
result = result + b;
}
return result;
}
/**
* 十六进制转字符串
*
* @param hexString
* 十六进制字符串
* @param encodeType
* 编码类型4：Unicode，2：普通编码
* @return 字符串
*/
public static String hexStringToString(String hexString, int encodeType) {
String result = "";
int max = hexString.length() / encodeType;
for (int i = 0; i < max; i++) {
char c = (char) hexStringToAlgorism(hexString
.substring(i * encodeType, (i + 1) * encodeType));
result += c;
}
return result;
}
/**
* 十六进制字符串装十进制
*
* @param hex
* 十六进制字符串
* @return 十进制数值
*/
public static int hexStringToAlgorism(String hex) {
hex = hex.toUpperCase();
int max = hex.length();
int result = 0;
for (int i = max; i > 0; i--) {
char c = hex.charAt(i - 1);
int algorism = 0;
if (c >= '0' && c <= '9') {
algorism = c - '0';
} else {
algorism = c - 55;
}
result += Math.pow(16, max - i) * algorism;
}
return result;
}
/**
* 十六转二进制
*
* @param hex
* 十六进制字符串
* @return 二进制字符串
*/
public static String hexStringToBinary(String hex) {
hex = hex.toUpperCase();
String result = "";
int max = hex.length();
for (int i = 0; i < max; i++) {
char c = hex.charAt(i);
switch (c) {
case '0':
result += "0000";
break;
case '1':
result += "0001";
break;
case '2':
result += "0010";
break;
case '3':
result += "0011";
break;
case '4':
result += "0100";
break;
case '5':
result += "0101";
break;
case '6':
result += "0110";
break;
case '7':
result += "0111";
break;
case '8':
result += "1000";
break;
case '9':
result += "1001";
break;
case 'A':
result += "1010";
break;
case 'B':
result += "1011";
break;
case 'C':
result += "1100";
break;
case 'D':
result += "1101";
break;
case 'E':
result += "1110";
break;
case 'F':
result += "1111";
break;
}
}
return result;
}
/**
* ASCII码字符串转数字字符串
*
* @param String
* ASCII字符串
* @return 字符串
*/
public static String AsciiStringToString(String content) {
String result = "";
int length = content.length() / 2;
for (int i = 0; i < length; i++) {
String c = content.substring(i * 2, i * 2 + 2);
int a = hexStringToAlgorism(c);
char b = (char) a;
String d = String.valueOf(b);
result += d;
}
return result;
}
/**
* 将十进制转换为指定长度的十六进制字符串
*
* @param algorism
* int 十进制数字
* @param maxLength
* int 转换后的十六进制字符串长度
* @return String 转换后的十六进制字符串
*/
public static String algorismToHexString(int algorism, int maxLength) {
String result = "";
result = Integer.toHexString(algorism);
if (result.length() % 2 == 1) {
result = "0" + result;
}
return patchHexString(result.toUpperCase(), maxLength);
}
/**
* 字节数组转为普通字符串（ASCII对应的字符）
*
* @param bytearray
* byte[]
* @return String
*/
public static String byteToString(byte[] bytearray) {
String result = "";
char temp;
int length = bytearray.length;
for (int i = 0; i < length; i++) {
temp = (char) bytearray[i];
result += temp;
}
return result;
}
/**
* 二进制字符串转十进制
*
* @param binary
* 二进制字符串
* @return 十进制数值
*/
public static int binaryToAlgorism(String binary) {
int max = binary.length();
int result = 0;
for (int i = max; i > 0; i--) {
char c = binary.charAt(i - 1);
int algorism = c - '0';
result += Math.pow(2, max - i) * algorism;
}
return result;
}
/**
* 十进制转换为十六进制字符串
*
* @param algorism
* int 十进制的数字
* @return String 对应的十六进制字符串
*/
public static String algorismToHEXString(int algorism) {
String result = "";
result = Integer.toHexString(algorism);
if (result.length() % 2 == 1) {
result = "0" + result;
}
result = result.toUpperCase();
return result;
}
/**
* HEX字符串前补0，主要用于长度位数不足。
*
* @param str
* String 需要补充长度的十六进制字符串
* @param maxLength
* int 补充后十六进制字符串的长度
* @return 补充结果
*/
static public String patchHexString(String str, int maxLength) {
String temp = "";
for (int i = 0; i < maxLength - str.length(); i++) {
temp = "0" + temp;
}
str = (temp + str).substring(0, maxLength);
return str;
}
/**
* 将一个字符串转换为int
*
* @param s
* String 要转换的字符串
* @param defaultInt
* int 如果出现异常,默认返回的数字
* @param radix
* int 要转换的字符串是什么进制的,如16 8 10.
* @return int 转换后的数字
*/
public static int parseToInt(String s, int defaultInt, int radix) {
int i = 0;
try {
i = Integer.parseInt(s, radix);
} catch (NumberFormatException ex) {
i = defaultInt;
}
return i;
}
/**
* 将一个十进制形式的数字字符串转换为int
*
* @param s
* String 要转换的字符串
* @param defaultInt
* int 如果出现异常,默认返回的数字
* @return int 转换后的数字
*/
public static int parseToInt(String s, int defaultInt) {
int i = 0;
try {
i = Integer.parseInt(s);
} catch (NumberFormatException ex) {
i = defaultInt;
}
return i;
}
/**
* 十六进制串转化为byte数组
*
* @return the array of byte
*/
public static byte[] hexToByte(String hex)
throws IllegalArgumentException {
if (hex.length() % 2 != 0) {
throw new IllegalArgumentException();
}
char[] arr = hex.toCharArray();
byte[] b = new byte[hex.length() / 2];
for (int i = 0, j = 0, l = hex.length(); i < l; i++, j++) {
String swap = "" + arr[i++] + arr[i];
int byteint = Integer.parseInt(swap, 16) & 0xFF;
b[j] = new Integer(byteint).byteValue();
}
return b;
}
/**
* 字节数组转换为十六进制字符串
*
* @param b
* byte[] 需要转换的字节数组
* @return String 十六进制字符串
*/
public static String byteToHex(byte b[]) {
if (b == null) {
throw new IllegalArgumentException(
"Argument b ( byte array ) is null! ");
}
String hs = "";
String stmp = "";
for (int n = 0; n < b.length; n++) {
stmp = Integer.toHexString(b[n] & 0xff);
if (stmp.length() == 1) {
hs = hs + "0" + stmp;
} else {
hs = hs + stmp;
}
}
return hs.toUpperCase();
}
public static byte[] subByte(byte[] input, int startIndex, int length) {
byte[] bt = new byte[length];
for (int i = 0; i < length; i++) {
bt[i] = input[i + startIndex];
}
return bt;
}
}
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