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Delete EcdhCrypt.java
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import net.mamoe.mirai.utils.PlatformUtilsAndroidKt;
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import javax.crypto.KeyAgreement;
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import java.security.*;
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import java.security.spec.ECGenParameterSpec;
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import java.security.spec.InvalidKeySpecException;
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import java.security.spec.X509EncodedKeySpec;
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public class EcdhCrypt {
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public static final String DEFAULT_PUB_KEY = "020b03cf3d99541f29ffec281bebbd4ea211292ac1f53d7128";
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public static final String DEFAULT_SHARE_KEY = "4da0f614fc9f29c2054c77048a6566d7";
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public static final String S_PUB_KEY = "04928D8850673088B343264E0C6BACB8496D697799F37211DEB25BB73906CB089FEA9639B4E0260498B51A992D50813DA8";
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public static final String X509_S_PUB_KEY = "3046301006072A8648CE3D020106052B8104001F03320004928D8850673088B343264E0C6BACB8496D697799F37211DEB25BB73906CB089FEA9639B4E0260498B51A992D50813DA8";
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public static byte[] _c_pri_key;
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public static byte[] _c_pub_key;
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private static byte[] _g_share_key;
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private static boolean initFlg;
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public static PrivateKey pkcs8PrivateKey;
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private static boolean userOpenSSLLib;
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public static PublicKey x509PublicKey;
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static {
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EcdhCrypt.initFlg = false;
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EcdhCrypt.userOpenSSLLib = true;
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EcdhCrypt._c_pub_key = new byte[0];
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EcdhCrypt._c_pri_key = new byte[0];
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EcdhCrypt._g_share_key = new byte[0];
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}
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public EcdhCrypt() {
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/// util.loadLibrary("wtecdh", context);
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}
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public static String buf_to_string(final byte[] array) {
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String s;
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if (array == null) {
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s = "";
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} else {
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String string = "";
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int n = 0;
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while (true) {
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s = string;
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if (n >= array.length) {
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break;
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}
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string = string + Integer.toHexString(array[n] >> 4 & 0xF) + Integer.toHexString(array[n] & 0xF);
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++n;
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}
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}
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return s;
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}
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private byte[] calShareKeyByBouncycastle(final byte[] pubKey) {
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String str = "3046301006072A8648CE3D020106052B8104001F03320004";
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try {
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if (pubKey.length < 30) {
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str = "302E301006072A8648CE3D020106052B8104001F031A00";
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}
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final PublicKey constructX509PublicKey = this.constructX509PublicKey(str + buf_to_string(pubKey));
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final KeyAgreement instance = KeyAgreement.getInstance("ECDH", "BC");
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instance.init(EcdhCrypt.pkcs8PrivateKey);
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instance.doPhase(constructX509PublicKey, true);
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final byte[] generateSecret = instance.generateSecret();
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return PlatformUtilsAndroidKt.md5(generateSecret);
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} catch (ExceptionInInitializerError | Exception exceptionInInitializerError) {
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exceptionInInitializerError.printStackTrace();
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return null;
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}
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}
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private byte[] calShareKeyByOpenSSL(final String s, final String str, final String s2) {
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//if (this.GenECDHKeyEx(s2, str, s) == 0) {
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return EcdhCrypt._g_share_key;
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//}
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// return null;
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}
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private PublicKey constructX509PublicKey(final String str) throws NoSuchProviderException, NoSuchAlgorithmException, InvalidKeySpecException {
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return KeyFactory.getInstance("EC", "BC").generatePublic(new X509EncodedKeySpec(string_to_buf(str)));
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}
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public static byte[] string_to_buf(final String s) {
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int i = 0;
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if (s == null) {
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return new byte[0];
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}
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final byte[] array = new byte[s.length() / 2];
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while (i < s.length() / 2) {
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array[i] = (byte) ((get_char((byte) s.charAt(i * 2)) << 4) + get_char((byte) s.charAt(i * 2 + 1)));
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++i;
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}
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return array;
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}
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public static byte get_char(final byte b) {
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if (b >= 48 && b <= 57) {
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return (byte) (b - 48);
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}
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if (b >= 97 && b <= 102) {
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return (byte) (b - 97 + 10);
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}
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if (b >= 65 && b <= 70) {
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return (byte) (b - 65 + 10);
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}
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return 0;
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}
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private int initShareKeyByBouncycastle() {
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try {
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final KeyPairGenerator instance = KeyPairGenerator.getInstance("EC", "BC");
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instance.initialize(new ECGenParameterSpec("secp192k1"));
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final KeyPair genKeyPair = instance.genKeyPair();
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final PublicKey public1 = genKeyPair.getPublic();
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final byte[] encoded = public1.getEncoded();
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final PrivateKey private1 = genKeyPair.getPrivate();
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private1.getEncoded();
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final PublicKey constructX509PublicKey = this.constructX509PublicKey("3046301006072A8648CE3D020106052B8104001F03320004928D8850673088B343264E0C6BACB8496D697799F37211DEB25BB73906CB089FEA9639B4E0260498B51A992D50813DA8");
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final KeyAgreement instance2 = KeyAgreement.getInstance("ECDH", "BC");
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instance2.init(private1);
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instance2.doPhase(constructX509PublicKey, true);
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EcdhCrypt._g_share_key = PlatformUtilsAndroidKt.md5(instance2.generateSecret());
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System.arraycopy(encoded, 23, EcdhCrypt._c_pub_key = new byte[49], 0, 49);
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EcdhCrypt.x509PublicKey = public1;
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EcdhCrypt.pkcs8PrivateKey = private1;
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return 0;
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} catch (ExceptionInInitializerError exceptionInInitializerError) {
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exceptionInInitializerError.printStackTrace();
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return -1;
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} catch (Exception ex) {
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ex.printStackTrace();
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return -2;
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}
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}
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private int initShareKeyByOpenSSL() {
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// if (Build$VERSION.SDK_INT >= 23 || this.GenereateKey() != 0) {
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// return -1;
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// }
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if (EcdhCrypt._c_pub_key == null || EcdhCrypt._c_pub_key.length == 0 || EcdhCrypt._c_pri_key == null || EcdhCrypt._c_pri_key.length == 0 || EcdhCrypt._g_share_key == null || EcdhCrypt._g_share_key.length == 0) {
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return -2;
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}
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return 0;
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}
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public native int GenECDHKeyEx(final String p0, final String p1, final String p2);
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public int GenereateKey() {
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try {
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synchronized (EcdhCrypt.class) {
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return this.GenECDHKeyEx("04928D8850673088B343264E0C6BACB8496D697799F37211DEB25BB73906CB089FEA9639B4E0260498B51A992D50813DA8", "", "");
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}
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} catch (UnsatisfiedLinkError unsatisfiedLinkError) {
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unsatisfiedLinkError.printStackTrace();
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return -1;
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} catch (RuntimeException ex) {
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return -2;
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} catch (Exception ex2) {
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return -3;
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} catch (Error error) {
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return -4;
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}
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}
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public byte[] calShareKeyMd5ByPeerPublicKey(final byte[] array) {
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if (EcdhCrypt.userOpenSSLLib) {
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return this.calShareKeyByOpenSSL(buf_to_string(EcdhCrypt._c_pri_key), buf_to_string(EcdhCrypt._c_pub_key), buf_to_string(array));
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}
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return this.calShareKeyByBouncycastle(array);
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}
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public byte[] get_c_pub_key() {
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return EcdhCrypt._c_pub_key.clone();
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}
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public byte[] get_g_share_key() {
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return EcdhCrypt._g_share_key.clone();
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}
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public int initShareKey() {
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if (EcdhCrypt.initFlg) {
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return 0;
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}
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EcdhCrypt.initFlg = true;
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if (this.initShareKeyByOpenSSL() == 0) {
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EcdhCrypt.userOpenSSLLib = true;
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return 0;
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}
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if (this.initShareKeyByBouncycastle() == 0) {
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EcdhCrypt.userOpenSSLLib = false;
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return 0;
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}
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return this.initShareKeyByDefault();
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}
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public int initShareKeyByDefault() {
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// EcdhCrypt._c_pub_key = util.string_to_buf("020b03cf3d99541f29ffec281bebbd4ea211292ac1f53d7128");
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// EcdhCrypt._g_share_key = util.string_to_buf("4da0f614fc9f29c2054c77048a6566d7");
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return 0;
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}
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public void set_c_pri_key(final byte[] array) {
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if (array != null) {
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EcdhCrypt._c_pri_key = array.clone();
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return;
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}
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EcdhCrypt._c_pri_key = new byte[0];
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}
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public void set_c_pub_key(final byte[] array) {
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if (array != null) {
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EcdhCrypt._c_pub_key = array.clone();
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return;
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}
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EcdhCrypt._c_pub_key = new byte[0];
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}
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public void set_g_share_key(final byte[] array) {
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if (array != null) {
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EcdhCrypt._g_share_key = array.clone();
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return;
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}
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EcdhCrypt._g_share_key = new byte[0];
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}
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}
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