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Java ECPublicKey类代码示例

本文整理汇总了Java中javacard.security.ECPublicKey类的典型用法代码示例。如果您正苦于以下问题：Java ECPublicKey类的具体用法？Java ECPublicKey怎么用？Java ECPublicKey使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。


ECPublicKey类属于javacard.security包，在下文中一共展示了ECPublicKey类的15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: newKeyPair

import javacard.security.ECPublicKey; //导入依赖的package包/类
static public KeyPair newKeyPair() {
	KeyPair kp = new KeyPair(KeyPair.ALG_EC_FP, (short) 256);

	ECPrivateKey ecPrv = (ECPrivateKey) kp.getPrivate();
	ECPublicKey ecPub = (ECPublicKey) kp.getPublic();

	ecPrv.setFieldFP(p, (short) 0, (short) p.length);
	ecPrv.setA(a, (short) 0, (short) a.length);
	ecPrv.setB(b, (short) 0, (short) b.length);
	ecPrv.setG(G, (short) 0, (short) G.length);
	ecPrv.setR(r, (short) 0, (short) r.length);

	ecPub.setFieldFP(p, (short) 0, (short) p.length);
	ecPub.setA(a, (short) 0, (short) a.length);
	ecPub.setB(b, (short) 0, (short) b.length);
	ecPub.setG(G, (short) 0, (short) G.length);
	ecPub.setR(r, (short) 0, (short) r.length);

	return kp;
}
开发者ID:Yubico，项目名称:ykneo-curves，代码行数:21，代码来源:SecP256k1.java

示例2: FIDOCCImplementation

import javacard.security.ECPublicKey; //导入依赖的package包/类
public FIDOCCImplementation() {
	
	random = RandomData.getInstance(RandomData.ALG_SECURE_RANDOM);
	
    scratch = JCSystem.makeTransientByteArray((short)128, JCSystem.CLEAR_ON_DESELECT);
    //seed = new byte[64];
    
    keyPair = new KeyPair(
        (ECPublicKey)KeyBuilder.buildKey(KeyBuilder.TYPE_EC_FP_PUBLIC, KeyBuilder.LENGTH_EC_FP_256, false),
        (ECPrivateKey)KeyBuilder.buildKey(KeyBuilder.TYPE_EC_FP_PRIVATE, KeyBuilder.LENGTH_EC_FP_256, false));
    Secp256r1.setCommonCurveParameters((ECKey)keyPair.getPrivate());
    Secp256r1.setCommonCurveParameters((ECKey)keyPair.getPublic());
            
    // Initialize the unique seed for DRNG function 
    //random.generateData(seed, (short)0, (short)64);
    
    // Initialize the unique seed for DRNG function       
    drngSeed1 = (AESKey)KeyBuilderX.buildKey(KeyBuilderX.TYPE_AES_STATIC, KeyBuilder.LENGTH_AES_256, false);
    drngSeed2 = (AESKey)KeyBuilderX.buildKey(KeyBuilderX.TYPE_AES_STATIC, KeyBuilder.LENGTH_AES_256, false);
    random.generateData(scratch, (short)0, (short)32);
    drngSeed1.setKey(scratch, (short)0);
    random.generateData(scratch, (short)0, (short)32);
    drngSeed2.setKey(scratch, (short)0);
 
    sha256 = MessageDigest.getInstance(MessageDigest.ALG_SHA_256, false);
            
    // Initialize the unique keys for MAC function
    macKey1 = (AESKey)KeyBuilderX.buildKey(KeyBuilderX.TYPE_AES_STATIC, KeyBuilder.LENGTH_AES_128, false);
    macKey2 = (AESKey)KeyBuilderX.buildKey(KeyBuilderX.TYPE_AES_STATIC, KeyBuilder.LENGTH_AES_128, false);
    random.generateData(scratch, (short)0, (short)16);
    macKey1.setKey(scratch, (short)0);
    random.generateData(scratch, (short)0, (short)16);
    macKey2.setKey(scratch, (short)0);
    
    // Initialize ecMultiplier 
    ecMultiplyHelper = KeyAgreementX.getInstance(KeyAgreementX.ALG_EC_SVDP_DH_PLAIN_XY, false);
}
开发者ID:tsenger，项目名称:CCU2F，代码行数:38，代码来源:FIDOCCImplementation.java

示例3: FIDOStandalone

import javacard.security.ECPublicKey; //导入依赖的package包/类
public FIDOStandalone() {
    scratch = JCSystem.makeTransientByteArray((short)64, JCSystem.CLEAR_ON_DESELECT);
    keyPair = new KeyPair(
        (ECPublicKey)KeyBuilder.buildKey(KeyBuilder.TYPE_EC_FP_PUBLIC, KeyBuilder.LENGTH_EC_FP_256, false),
        (ECPrivateKey)KeyBuilder.buildKey(KeyBuilder.TYPE_EC_FP_PRIVATE, KeyBuilder.LENGTH_EC_FP_256, false));
    Secp256r1.setCommonCurveParameters((ECKey)keyPair.getPrivate());
    Secp256r1.setCommonCurveParameters((ECKey)keyPair.getPublic());
    random = RandomData.getInstance(RandomData.ALG_SECURE_RANDOM);
    // Initialize the unique wrapping key
    chipKey = (AESKey)KeyBuilder.buildKey(KeyBuilder.TYPE_AES, KeyBuilder.LENGTH_AES_256, false);
    random.generateData(scratch, (short)0, (short)32);
    chipKey.setKey(scratch, (short)0);
    cipherEncrypt = Cipher.getInstance(Cipher.ALG_AES_BLOCK_128_CBC_NOPAD, false);
    cipherEncrypt.init(chipKey, Cipher.MODE_ENCRYPT, IV_ZERO_AES, (short)0, (short)IV_ZERO_AES.length);
    cipherDecrypt = Cipher.getInstance(Cipher.ALG_AES_BLOCK_128_CBC_NOPAD, false);
    cipherDecrypt.init(chipKey, Cipher.MODE_DECRYPT, IV_ZERO_AES, (short)0, (short)IV_ZERO_AES.length);
}
开发者ID:LedgerHQ，项目名称:ledger-u2f-javacard，代码行数:18，代码来源:FIDOStandalone.java

示例4: newKeyPair

import javacard.security.ECPublicKey; //导入依赖的package包/类
static public KeyPair newKeyPair() {
	KeyPair key = new KeyPair(KeyPair.ALG_EC_FP, (short) 256);

	ECPrivateKey privKey = (ECPrivateKey) key.getPrivate();
	ECPublicKey pubKey = (ECPublicKey) key.getPublic();

	privKey.setFieldFP(q, (short) 0, (short) q.length);
	privKey.setA(a, (short) 0, (short) a.length);
	privKey.setB(b, (short) 0, (short) b.length);
	privKey.setG(G, (short) 0, (short) G.length);
	privKey.setR(r, (short) 0, (short) r.length);

	pubKey.setFieldFP(q, (short) 0, (short) q.length);
	pubKey.setA(a, (short) 0, (short) a.length);
	pubKey.setB(b, (short) 0, (short) b.length);
	pubKey.setG(G, (short) 0, (short) G.length);
	pubKey.setR(r, (short) 0, (short) r.length);

	return key;
}
开发者ID:Yubico，项目名称:ykneo-curves，代码行数:21，代码来源:Frp256v1.java

示例5: newKeyPair

import javacard.security.ECPublicKey; //导入依赖的package包/类
static public KeyPair newKeyPair() {
	KeyPair key = new KeyPair(KeyPair.ALG_EC_FP, (short) 256);

	ECPrivateKey privKey = (ECPrivateKey) key.getPrivate();
	ECPublicKey pubKey = (ECPublicKey) key.getPublic();

	privKey.setFieldFP(p, (short) 0, (short) p.length);
	privKey.setA(a, (short) 0, (short) a.length);
	privKey.setB(b, (short) 0, (short) b.length);
	privKey.setG(G, (short) 0, (short) G.length);
	privKey.setR(r, (short) 0, (short) r.length);

	pubKey.setFieldFP(p, (short) 0, (short) p.length);
	pubKey.setA(a, (short) 0, (short) a.length);
	pubKey.setB(b, (short) 0, (short) b.length);
	pubKey.setG(G, (short) 0, (short) G.length);
	pubKey.setR(r, (short) 0, (short) r.length);

	return key;
}
开发者ID:Yubico，项目名称:ykneo-curves，代码行数:21，代码来源:SecP256r1.java

示例6: newKeyPair

import javacard.security.ECPublicKey; //导入依赖的package包/类
static public KeyPair newKeyPair() {
	KeyPair key = new KeyPair(KeyPair.ALG_EC_FP, (short) 320);

	ECPrivateKey privKey = (ECPrivateKey) key.getPrivate();
	ECPublicKey pubKey = (ECPublicKey) key.getPublic();

	privKey.setFieldFP(q, (short) 0, (short) q.length);
	privKey.setA(a, (short) 0, (short) a.length);
	privKey.setB(b, (short) 0, (short) b.length);
	privKey.setG(G, (short) 0, (short) G.length);
	privKey.setR(r, (short) 0, (short) r.length);

	pubKey.setFieldFP(q, (short) 0, (short) q.length);
	pubKey.setA(a, (short) 0, (short) a.length);
	pubKey.setB(b, (short) 0, (short) b.length);
	pubKey.setG(G, (short) 0, (short) G.length);
	pubKey.setR(r, (short) 0, (short) r.length);

	return key;
}
开发者ID:Yubico，项目名称:ykneo-curves，代码行数:21，代码来源:BrainpoolP320r1.java

示例7: randomize

import javacard.security.ECPublicKey; //导入依赖的package包/类
/**
 * Generates new random point value.
 */
public void randomize(){
    if (this.thePointKeyPair == null) {
        this.thePointKeyPair = this.theCurve.newKeyPair(this.thePointKeyPair);
        this.thePoint = (ECPublicKey) thePointKeyPair.getPublic();
    }
    else {
        this.thePointKeyPair.genKeyPair();
    }
}
开发者ID:OpenCryptoProject，项目名称:JCMathLib，代码行数:13，代码来源:ECPoint.java

示例8: PRNGTest

import javacard.security.ECPublicKey; //导入依赖的package包/类
private PRNGTest() {
	random = RandomData.getInstance(RandomData.ALG_SECURE_RANDOM);

	drngAESKey = (AESKey) KeyBuilderX.buildKey(KeyBuilderX.TYPE_AES_STATIC,
			KeyBuilder.LENGTH_AES_128, false);

	tmp = JCSystem.makeTransientByteArray((short) 40,
			JCSystem.CLEAR_ON_DESELECT);

	random.generateData(tmp, (short) 0, (short) 16);
	drngAESKey.setKey(tmp, (short) 0);

	scratch = JCSystem.makeTransientByteArray((short) 32,
			JCSystem.CLEAR_ON_DESELECT);

	keyPair = new KeyPair((ECPublicKey) KeyBuilder.buildKey(KeyBuilder.TYPE_EC_FP_PUBLIC, KeyBuilder.LENGTH_EC_FP_256,false), 
			(ECPrivateKey) KeyBuilder.buildKey(KeyBuilder.TYPE_EC_FP_PRIVATE, KeyBuilder.LENGTH_EC_FP_256, false));
	Secp256r1.setCommonCurveParameters((ECKey) keyPair.getPrivate());
	Secp256r1.setCommonCurveParameters((ECKey) keyPair.getPublic());

	

	// Initialize the unique key for DRNG function (AES CMAC)
	drngKey1 = (AESKey) KeyBuilderX.buildKey(KeyBuilderX.TYPE_AES_STATIC,
			KeyBuilder.LENGTH_AES_128, false);
	drngKey2 = (AESKey) KeyBuilderX.buildKey(KeyBuilderX.TYPE_AES_STATIC,
			KeyBuilder.LENGTH_AES_128, false);
	random.generateData(scratch, (short) 0, (short) 32);
	drngKey1.setKey(scratch, (short) 0);
	drngKey2.setKey(scratch, (short) 16);

	drng1 = SignatureX.getInstance(SignatureX.ALG_AES_CMAC16, false);
	drng1.init(drngKey1, Signature.MODE_SIGN);
	drng2 = SignatureX.getInstance(SignatureX.ALG_AES_CMAC16, false);
	drng2.init(drngKey2, Signature.MODE_SIGN);

	// Initialize the unique key for MAC function (AES CMAC)
	macKey = (AESKey) KeyBuilderX.buildKey(KeyBuilderX.TYPE_AES_STATIC,
			KeyBuilder.LENGTH_AES_128, false);
	random.generateData(scratch, (short) 0, (short) 16);
	macKey.setKey(scratch, (short) 0);

	cmacSign = SignatureX.getInstance(SignatureX.ALG_AES_CMAC16, false);
	cmacSign.init(macKey, Signature.MODE_SIGN);

	cmacVerify = SignatureX.getInstance(SignatureX.ALG_AES_CMAC16, false);
	cmacVerify.init(macKey, Signature.MODE_VERIFY);

	// Initialize ecMultiplier
	ecMultiplyHelper = KeyAgreementX.getInstance(KeyAgreementX.ALG_EC_SVDP_DH_PLAIN_XY, false);
}
开发者ID:tsenger，项目名称:CCU2F，代码行数:52，代码来源:PRNGTest.java

示例9: GenerateExampleBackdooredKeyPair

import javacard.security.ECPublicKey; //导入依赖的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10: sendECPublicKey

import javacard.security.ECPublicKey; //导入依赖的package包/类
private void sendECPublicKey(APDU apdu, ECPublicKey key) {
    // T:0x7F,0x49 L:0x43          (67)
    // - T:0x86 L:0x41             (65) V:[EC Point     65 bytes]
    byte buf[] = new byte[70];
    Util.arrayCopy(new byte[]{
        (byte) 0x7F, (byte) 0x49, (byte) 0x43, (byte) 0x86, (byte) 0x41
    }, (short) 0, buf, (short) 0, (short) 5);
    key.getW(buf, (short) 5);
    io.sendBuffer(buf, (short) buf.length, apdu);
}
开发者ID:mbrossard，项目名称:cryptonit-applet，代码行数:11，代码来源:CryptonitApplet.java

示例11: ecdsa

import javacard.security.ECPublicKey; //导入依赖的package包/类
/**
 * @param sign      keyPair to use for signing and verification
 * @param export    whether to export ECDSA signature
 * @param inBuffer  buffer to read dataLength and data to sign from
 * @param inOffset  input offset in buffer
 * @param outBuffer buffer to write sw to, and export ECDSA signature {@code if(export == EXPORT_TRUE)}
 * @param outOffset output offset in buffer
 * @return length of data written to the buffer
 */
private short ecdsa(KeyPair sign, byte export, byte[] inBuffer, short inOffset, byte[] outBuffer, short outOffset) {
    short length = 0;

    short dataLength = Util.getShort(inBuffer, inOffset);
    if (dataLength == 0) { //no data to sign
        //generate random
        dataLength = 64;
        randomData.generateData(ramArray, (short) 0, dataLength);
    } else {
        Util.arrayCopyNonAtomic(inBuffer, (short) (inOffset + 2), ramArray, (short) 0, dataLength);
    }

    short signatureLength = keyTester.testECDSA((ECPrivateKey) sign.getPrivate(), (ECPublicKey) sign.getPublic(), ramArray, (short) 0, dataLength, ramArray2, (short) 0);
    Util.setShort(outBuffer, outOffset, keyTester.getSW());
    length += 2;

    if (export == EXPORT_TRUE) {
        Util.setShort(outBuffer, (short) (outOffset + length), signatureLength);
        length += 2;

        Util.arrayCopyNonAtomic(ramArray2, (short) 0, outBuffer, (short) (outOffset + length), signatureLength);
        length += signatureLength;
    }

    return length;
}
开发者ID:crocs-muni，项目名称:ECTester，代码行数:36，代码来源:ECTesterApplet.java

示例12: generateKeyAndWrap

import javacard.security.ECPublicKey; //导入依赖的package包/类
public short generateKeyAndWrap(byte[] applicationParameter, short applicationParameterOffset, ECPrivateKey generatedPrivateKey, byte[] publicKey, short publicKeyOffset, byte[] keyHandle, short keyHandleOffset) {
    // Generate a new pair
    keyPair.genKeyPair();
    // Copy public key
    ((ECPublicKey)keyPair.getPublic()).getW(publicKey, publicKeyOffset);
    // Wrap keypair and application parameters
    ((ECPrivateKey)keyPair.getPrivate()).getS(scratch, (short)0);
    interleave(applicationParameter, applicationParameterOffset, scratch, (short)0, keyHandle, keyHandleOffset, (short)32);
    cipherEncrypt.doFinal(keyHandle, keyHandleOffset, (short)64, keyHandle, keyHandleOffset);
    Util.arrayFillNonAtomic(scratch, (short)0, (short)32, (byte)0x00);
    return (short)64;
}
开发者ID:LedgerHQ，项目名称:ledger-u2f-javacard，代码行数:13，代码来源:FIDOStandalone.java

示例13: CardApplet

import javacard.security.ECPublicKey; //导入依赖的package包/类
/**
   * Allocate memory for the data on the card and initialise the fields
   */
  public CardApplet() {
// Get instances of cryptographic operations
agreement = KeyAgreementX.getInstance(KeyAgreementX.ALG_EC_SVDP_DH_PLAIN, false);

// Build keys
privKey = (ECPrivateKey) KeyBuilder.buildKey(KeyBuilder.TYPE_EC_FP_PRIVATE, KEY_LENGTH, false);
pubKey = (ECPublicKey) KeyBuilder.buildKey(KeyBuilder.TYPE_EC_FP_PUBLIC, KEY_LENGTH, false);
blindKeyValue = (ECPrivateKey) KeyBuilder.buildKey(KeyBuilder.TYPE_EC_FP_PRIVATE, KEY_LENGTH, false);
blindKeyPoint = (ECPublicKey) KeyBuilder.buildKey(KeyBuilder.TYPE_EC_FP_PUBLIC, KEY_LENGTH, false);
public_key = new byte[POINT_SIZE];

// Construct key pairs
keyPair = new KeyPair(pubKey, privKey);
blindKeyPair = new KeyPair(blindKeyPoint, blindKeyValue);

// Construct attribute storage
attribute_id = new byte[ATTRIBUTE_COUNT];
Util.arrayFillNonAtomic(attribute_id, _0, ATTRIBUTE_COUNT, (byte) 0x00);
attribute_length = new short[ATTRIBUTE_COUNT];
attribute_signature = new Object[ATTRIBUTE_COUNT];
attribute_value = new Object[ATTRIBUTE_COUNT];
for (short i = 0; i < ATTRIBUTE_COUNT; i++) {
    attribute_signature[i] = new byte[POINT_SIZE];
    attribute_value[i] = new byte[ATTRIBUTE_SIZE];
}

// Some temporary space
point = JCSystem.makeTransientByteArray((short) (POINT_SIZE*2), JCSystem.CLEAR_ON_RESET);
  }
开发者ID:credentials，项目名称:sbcred_javacard，代码行数:33，代码来源:CardApplet.java

示例14: handleAirgapKeyAgreement

import javacard.security.ECPublicKey; //导入依赖的package包/类
private static void handleAirgapKeyAgreement(APDU apdu) throws ISOException {
    short offset = (short)0;
    byte[] buffer = apdu.getBuffer();
    apdu.setIncomingAndReceive();
    checkAirgapPersonalizationAvailable();
    if (buffer[ISO7816.OFFSET_P1] == P1_INITIATE_PAIRING) {
        if (buffer[ISO7816.OFFSET_LC] != (byte)65) {
            ISOException.throwIt(ISO7816.SW_WRONG_LENGTH);
        }
        pairingDone = false;
        Crypto.keyPair.genKeyPair();
        Crypto.keyAgreement.init((ECPrivateKey)Crypto.keyPair.getPrivate());
        Crypto.keyAgreement.generateSecret(buffer, ISO7816.OFFSET_CDATA, (short)65, scratch256, (short)0);
        pairingKey.setKey(scratch256, (short)0);
        ((ECPublicKey)Crypto.keyPair.getPublic()).getW(buffer, offset);
        offset += (short)65;
        Crypto.signature.init(attestationPrivate, Signature.MODE_SIGN);
        Crypto.signature.sign(buffer, (short)0, (short)65, buffer, offset);
        offset += (short)(buffer[(short)(offset + 1)] + 2);
        apdu.setOutgoingAndSend((short)0, offset);
    }
    else
    if (buffer[ISO7816.OFFSET_P1] == P1_CONFIRM_PAIRING) {
        if (buffer[ISO7816.OFFSET_LC] != (byte)32) {
            ISOException.throwIt(ISO7816.SW_WRONG_LENGTH);
        }
        Crypto.initCipherAES(pairingKey, false);
        Crypto.blobEncryptDecryptAES.doFinal(buffer, ISO7816.OFFSET_CDATA, (short)32, scratch256, (short)0);
        pairingKey.setKey(scratch256, (short)0);
        pairingDone = true;
    }
    else {
        ISOException.throwIt(ISO7816.SW_INCORRECT_P1P2);
    }
}
开发者ID:LedgerHQ，项目名称:ledger-javacard，代码行数:36，代码来源:LedgerWalletApplet.java

示例15: updatePointObjects

import javacard.security.ECPublicKey; //导入依赖的package包/类
/**
 * Properly updates all point values in case of a change of an underlying curve.
 * New random point value is generated.
 */
public final void updatePointObjects() {
    this.thePointKeyPair = this.theCurve.newKeyPair(this.thePointKeyPair);
    this.thePoint = (ECPublicKey) thePointKeyPair.getPublic();
}
开发者ID:OpenCryptoProject，项目名称:JCMathLib，代码行数:9，代码来源:ECPoint.java


注：本文中的javacard.security.ECPublicKey类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。