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Java ECPrivateKey.setS方法代码示例

本文整理汇总了Java中javacard.security.ECPrivateKey.setS方法的典型用法代码示例。如果您正苦于以下问题：Java ECPrivateKey.setS方法的具体用法？Java ECPrivateKey.setS怎么用？Java ECPrivateKey.setS使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类javacard.security.ECPrivateKey的用法示例。


在下文中一共展示了ECPrivateKey.setS方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: unwrap

import javacard.security.ECPrivateKey; //导入方法依赖的package包/类
public boolean unwrap(byte[] keyHandle, short keyHandleOffset, short keyHandleLength, byte[] applicationParameter, short applicationParameterOffset, ECPrivateKey unwrappedPrivateKey) {
	
	calcMAC(applicationParameter, applicationParameterOffset, keyHandle, keyHandleOffset);
	
	//Compare MAC
	if (Util.arrayCompare(scratch, (short) 0, keyHandle, (short)(keyHandleOffset+32), (short)32)!=0) {
		return false;
	}
	
	//only get key if signing is required
    if (unwrappedPrivateKey != null) {

    	//Regenerate PrivKey 
    	generatePrivateKey(applicationParameter, applicationParameterOffset, keyHandle, keyHandleOffset);
    	
        unwrappedPrivateKey.setS(scratch, (short)0, (short)32);
    }
    Util.arrayFillNonAtomic(scratch, (short)0, (short)32, (byte)0x00);
    return true;
}
开发者ID:tsenger，项目名称:CCU2F，代码行数:21，代码来源:FIDOCCImplementation.java

示例2: unwrap

import javacard.security.ECPrivateKey; //导入方法依赖的package包/类
public boolean unwrap(byte[] keyHandle, short keyHandleOffset, short keyHandleLength, byte[] applicationParameter, short applicationParameterOffset, ECPrivateKey unwrappedPrivateKey) {
    // Verify
    cipherDecrypt.doFinal(keyHandle, keyHandleOffset, (short)64, keyHandle, keyHandleOffset);
    deinterleave(keyHandle, keyHandleOffset, scratch, (short)0, scratch, (short)32, (short)32);
    if (!FIDOUtils.compareConstantTime(applicationParameter, applicationParameterOffset, scratch, (short)0, (short)32)) {
        Util.arrayFillNonAtomic(scratch, (short)32, (short)32, (byte)0x00);
        Util.arrayFillNonAtomic(keyHandle, keyHandleOffset, (short)64, (byte)0x00);
        return false;
    }
    Util.arrayFillNonAtomic(keyHandle, keyHandleOffset, (short)64, (byte)0x00);
    if (unwrappedPrivateKey != null) {
        unwrappedPrivateKey.setS(scratch, (short)32, (short)32);
    }
    Util.arrayFillNonAtomic(scratch, (short)32, (short)32, (byte)0x00);
    return true;
}
开发者ID:LedgerHQ，项目名称:ledger-u2f-javacard，代码行数:17，代码来源:FIDOStandalone.java

示例3: LedgerWalletApplet

import javacard.security.ECPrivateKey; //导入方法依赖的package包/类
public LedgerWalletApplet(byte[] parameters, short parametersOffset, byte parametersLength) {
    BCDUtils.init();
    TC.init();
    Crypto.init();
    Transaction.init();
    Bip32Cache.init();
    Keycard.init();
    limits = new byte[LIMIT_LAST];
    scratch256 = JCSystem.makeTransientByteArray((short)256, JCSystem.CLEAR_ON_DESELECT);
    transactionPin = new OwnerPIN(TRANSACTION_PIN_ATTEMPTS, TRANSACTION_PIN_SIZE);
    walletPin = new OwnerPIN(WALLET_PIN_ATTEMPTS, WALLET_PIN_SIZE);
    secondaryPin = new OwnerPIN(SECONDARY_PIN_ATTEMPTS, SECONDARY_PIN_SIZE);
    masterDerived = new byte[64];
    chipKey = (DESKey)KeyBuilder.buildKey(KeyBuilder.TYPE_DES, KeyBuilder.LENGTH_DES3_2KEY, false);
    trustedInputKey = (DESKey)KeyBuilder.buildKey(KeyBuilder.TYPE_DES, KeyBuilder.LENGTH_DES3_2KEY, false);
    developerKey = (DESKey)KeyBuilder.buildKey(KeyBuilder.TYPE_DES, KeyBuilder.LENGTH_DES3_2KEY, false);
    try {
        pairingKey = (AESKey)KeyBuilder.buildKey(KeyBuilder.TYPE_AES, KeyBuilder.LENGTH_AES_256, false);
    }
    catch(Exception e) {
    }
    reset();
    if (parametersLength != 0) {
        attestationPrivate = (ECPrivateKey)KeyBuilder.buildKey(KeyBuilder.TYPE_EC_FP_PRIVATE, KeyBuilder.LENGTH_EC_FP_256, false);
        attestationPublic = new byte[65];
        Secp256k1.setCommonCurveParameters(attestationPrivate);
        attestationPrivate.setS(parameters, parametersOffset, (short)32);
        parametersOffset += (short)32;
        attestationSignature = new byte[parameters[(short)(parametersOffset + 1)] + 2];
        Util.arrayCopy(parameters, parametersOffset, attestationSignature, (short)0, (short)attestationSignature.length);
    }
}
开发者ID:LedgerHQ，项目名称:ledger-javacard，代码行数:33，代码来源:LedgerWalletApplet.java

示例4: GenerateExampleBackdooredKeyPair

import javacard.security.ECPrivateKey; //导入方法依赖的package包/类
/**
 * Generates intentionally insecure private key to demonstrate behaviour when 
 * some participants are malicious. Private key bytes are all 0x55 ... 0x55
 */
void GenerateExampleBackdooredKeyPair() {
    state.CheckAllowedFunction(StateModel.FNC_QuorumContext_GenerateExampleBackdooredKeyPair);
    // If enabled, key is not generated randomly as required per protocol, but fixed to vulnerable value instead
    ECPublicKey pub = (ECPublicKey) pair.getPublic();
    ECPrivateKey priv = (ECPrivateKey) pair.getPrivate();

    // Set "backdoored" (known) private key - all 0x55 ... 0x55
    priv.setS(privbytes_backdoored, (short) 0, (short) privbytes_backdoored.length);
    ((ECPrivateKey) pair.getPrivate()).getS(x_i_Bn, (short) 0);
    // Compute and set corresponding public key (to backdoored private one)
    cryptoOps.placeholder.ScalarMultiplication(cryptoOps.GenPoint, privbytes_backdoored, cryptoOps.tmp_arr);
    pub.setW(cryptoOps.tmp_arr, (short) 0, (short) 65);
}
开发者ID:OpenCryptoProject，项目名称:Myst，代码行数:18，代码来源:QuorumContext.java

示例5: setParameter

import javacard.security.ECPrivateKey; //导入方法依赖的package包/类
/**
     * @param key
     * @param param
     * @param data
     * @param offset
     * @param length
     * @return
     */
    public short setParameter(KeyPair keypair, byte key, short param, byte[] data, short offset, short length) {
        try {
            sw = AppletUtil.keypairCheck(keypair);

            ECPublicKey ecPublicKey = (ECPublicKey) keypair.getPublic();
            ECPrivateKey ecPrivateKey = (ECPrivateKey) keypair.getPrivate();

            switch (param) {
                case EC_Consts.PARAMETER_FP:
                    if ((key & EC_Consts.KEY_PUBLIC) != 0) ecPublicKey.setFieldFP(data, offset, length);
                    if ((key & EC_Consts.KEY_PRIVATE) != 0) ecPrivateKey.setFieldFP(data, offset, length);
                    break;
                case EC_Consts.PARAMETER_F2M:
                    if (length == 4) {
                        short i = Util.makeShort(data[(short) (offset + 2)], data[(short) (offset + 3)]);
                        if ((key & EC_Consts.KEY_PUBLIC) != 0) ecPublicKey.setFieldF2M(i);
                        if ((key & EC_Consts.KEY_PRIVATE) != 0) ecPrivateKey.setFieldF2M(i);
                    } else if (length == 8) {
                        short i1 = Util.makeShort(data[(short) (offset + 2)], data[(short) (offset + 3)]);
                        short i2 = Util.makeShort(data[(short) (offset + 4)], data[(short) (offset + 5)]);
                        short i3 = Util.makeShort(data[(short) (offset + 6)], data[(short) (offset + 7)]);
//                        if ((key & EC_Consts.KEY_PUBLIC) != 0) ecPublicKey.setFieldF2M(i1, i2, i3);
//                        if ((key & EC_Consts.KEY_PRIVATE) != 0) ecPrivateKey.setFieldF2M(i1, i2, i3);
                        // TODO: fix this, ^^ fails on jcardsim, but is up to spec
                        if ((key & EC_Consts.KEY_PUBLIC) != 0) ecPublicKey.setFieldF2M(i3, i2, i1);
                        if ((key & EC_Consts.KEY_PRIVATE) != 0) ecPrivateKey.setFieldF2M(i3, i2, i1);
                    } else {
                        sw = ISO7816.SW_UNKNOWN;
                    }
                    break;
                case EC_Consts.PARAMETER_A:
                    if ((key & EC_Consts.KEY_PUBLIC) != 0) ecPublicKey.setA(data, offset, length);
                    if ((key & EC_Consts.KEY_PRIVATE) != 0) ecPrivateKey.setA(data, offset, length);
                    break;
                case EC_Consts.PARAMETER_B:
                    if ((key & EC_Consts.KEY_PUBLIC) != 0) ecPublicKey.setB(data, offset, length);
                    if ((key & EC_Consts.KEY_PRIVATE) != 0) ecPrivateKey.setB(data, offset, length);
                    break;
                case EC_Consts.PARAMETER_G:
                    if ((key & EC_Consts.KEY_PUBLIC) != 0) ecPublicKey.setG(data, offset, length);
                    if ((key & EC_Consts.KEY_PRIVATE) != 0) ecPrivateKey.setG(data, offset, length);
                    break;
                case EC_Consts.PARAMETER_R:
                    if ((key & EC_Consts.KEY_PUBLIC) != 0) ecPublicKey.setR(data, offset, length);
                    if ((key & EC_Consts.KEY_PRIVATE) != 0) ecPrivateKey.setR(data, offset, length);
                    break;
                case EC_Consts.PARAMETER_K:
                    short k = 0;
                    if (length > 2 || length <= 0) {
                        sw = ISO7816.SW_UNKNOWN;
                        break;
                    } else if (length == 2) {
                        k = Util.getShort(data, offset);
                    } else if (length == 1) {
                        k = data[offset];
                    }
                    if ((key & EC_Consts.KEY_PUBLIC) != 0) ecPublicKey.setK(k);
                    if ((key & EC_Consts.KEY_PRIVATE) != 0) ecPrivateKey.setK(k);
                    break;
                case EC_Consts.PARAMETER_S:
                    if ((key & EC_Consts.KEY_PRIVATE) != 0) ecPrivateKey.setS(data, offset, length);
                    break;
                case EC_Consts.PARAMETER_W:
                    if ((key & EC_Consts.KEY_PUBLIC) != 0) ecPublicKey.setW(data, offset, length);
                    break;
                default:
                    ISOException.throwIt(ISO7816.SW_FUNC_NOT_SUPPORTED);
            }
        } catch (CardRuntimeException ce) {
            sw = ce.getReason();
        }
        return sw;
    }
开发者ID:crocs-muni，项目名称:ECTester，代码行数:82，代码来源:ECKeyGenerator.java

示例6: GeneratePrivateKeyECFP

import javacard.security.ECPrivateKey; //导入方法依赖的package包/类
private void GeneratePrivateKeyECFP(byte[] buffer){
		byte prv_key_nb = buffer[ISO7816.OFFSET_P1];
		if ((prv_key_nb < 0) || (prv_key_nb >= MAX_NUM_KEYS))
			ISOException.throwIt(SW_INCORRECT_P1);
		short key_size = Util.getShort(buffer, OFFSET_GENKEY_SIZE);
		byte options = buffer[OFFSET_GENKEY_OPTIONS];
		ECPrivateKey prv_key = (ECPrivateKey) getKey(prv_key_nb, KeyBuilder.TYPE_EC_FP_PRIVATE, key_size);
		/* If we're going to overwrite a keyPair's contents, check ACL */
		if (prv_key.isInitialized() && !authorizeKeyOp(prv_key_nb,ACL_WRITE))
			ISOException.throwIt(SW_UNAUTHORIZED);
		/* Store private key ACL */
		Util.arrayCopy(buffer, OFFSET_GENKEY_PRV_ACL, keyACLs, (short) (prv_key_nb * KEY_ACL_SIZE), KEY_ACL_SIZE);
		
		if (randomData == null)
			randomData = RandomData.getInstance(RandomData.ALG_SECURE_RANDOM);
		
		switch (options) {
        	case OPT_DEFAULT:
	            // As default params were specified, we have to clear the public key
        		// if already initialized, otherwise their params would be used.
				if (prv_key.isInitialized())
					prv_key.clearKey();
                break;
        	case OPT_EC_SECP256k1:
        		// Bitcoin uses 256-bit keysize!
        		if (key_size!=256)
        			ISOException.throwIt(SW_INVALID_PARAMETER);
	            // Satochip default is secp256k1 (over Fp)
        		Secp256k1.setCommonCurveParameters(prv_key);
//				prv_key.setFieldFP( SECP256K1_P, (short)0, (short)SECP256K1_P.length);
//				prv_key.setA( SECP256K1_a, (short)0, (short)SECP256K1_a.length);
//				prv_key.setB( SECP256K1_b, (short)0, (short)SECP256K1_b.length);
//				prv_key.setG( SECP256K1_G, (short)0, (short)SECP256K1_G.length);
//				prv_key.setR( SECP256K1_R, (short)0, (short)SECP256K1_R.length);
//				prv_key.setK( SECP256K1_K);
				// Set secret value from random 
				randomData.generateData(recvBuffer,(short)0,(short)(key_size/8));
				prv_key.setS(recvBuffer, (short)0, (short)(key_size/8));
				Util.arrayFillNonAtomic(recvBuffer, (short)0, (short)(key_size/8), (byte)0);
				break;
            default:
            	ISOException.throwIt(SW_INVALID_PARAMETER);
		}
	}
开发者ID:Toporin，项目名称:SatoChipApplet，代码行数:45，代码来源:CardEdge.java


注：本文中的javacard.security.ECPrivateKey.setS方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。