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Java KeyPair.genKeyPair方法代码示例

本文整理汇总了Java中javacard.security.KeyPair.genKeyPair方法的典型用法代码示例。如果您正苦于以下问题：Java KeyPair.genKeyPair方法的具体用法？Java KeyPair.genKeyPair怎么用？Java KeyPair.genKeyPair使用的例子？那么, 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.KeyPair的用法示例。


在下文中一共展示了KeyPair.genKeyPair方法的5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: generatePair

import javacard.security.KeyPair; //导入方法依赖的package包/类
/**
 * @param keypair
 * @return
 */
public short generatePair(KeyPair keypair) {
    try {
        sw = AppletUtil.keypairCheck(keypair);
        keypair.genKeyPair();
    } catch (CardRuntimeException ce) {
        sw = ce.getReason();
    }
    return sw;
}
开发者ID:crocs-muni，项目名称:ECTester，代码行数:14，代码来源:ECKeyGenerator.java

示例2: GenerateKeyPairRSA

import javacard.security.KeyPair; //导入方法依赖的package包/类
private void GenerateKeyPairRSA(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);
	byte pub_key_nb = buffer[ISO7816.OFFSET_P2];
	if ((pub_key_nb < 0) || (pub_key_nb >= MAX_NUM_KEYS))
		ISOException.throwIt(SW_INCORRECT_P2);
	if (pub_key_nb == prv_key_nb)
		ISOException.throwIt(ISO7816.SW_INCORRECT_P1P2);
	byte alg_id = buffer[OFFSET_GENKEY_ALG];
	short key_size = Util.getShort(buffer, OFFSET_GENKEY_SIZE);
	byte options = buffer[OFFSET_GENKEY_OPTIONS];
	RSAPublicKey pub_key = (RSAPublicKey) getKey(pub_key_nb, KeyBuilder.TYPE_RSA_PUBLIC, key_size);
	RSAPrivateKey prv_key = (RSAPrivateKey) getKey(prv_key_nb, alg_id == KeyPair.ALG_RSA ? KeyBuilder.TYPE_RSA_PRIVATE : KeyBuilder.TYPE_RSA_CRT_PRIVATE,	key_size);
	/* If we're going to overwrite a keyPair's contents, check ACL */
	if (pub_key.isInitialized() && !authorizeKeyOp(pub_key_nb,ACL_WRITE))
		ISOException.throwIt(SW_UNAUTHORIZED);
	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);
	/* Store public key ACL */
	Util.arrayCopy(buffer, OFFSET_GENKEY_PUB_ACL, keyACLs, (short) (pub_key_nb * KEY_ACL_SIZE), KEY_ACL_SIZE);
	switch (options) {
	case OPT_DEFAULT:
		/* As the default was specified, if public key already * exist we
		 * have to invalidate it, otherwise its parameters * would be used
		 * in place of the default ones */
		if (pub_key.isInitialized())
			pub_key.clearKey();
		break;
	case OPT_RSA_PUB_EXP:
		short exp_length = Util.getShort(buffer, OFFSET_GENKEY_RSA_PUB_EXP_LENGTH);
		pub_key.setExponent(buffer, OFFSET_GENKEY_RSA_PUB_EXP_VALUE, exp_length);
		break;
	default:
		ISOException.throwIt(SW_INVALID_PARAMETER);
	}
	/* TODO: Migrate checks on KeyPair on the top, so we avoid resource
	 * allocation on error conditions  */
	/* If no keypair was previously used, ok. If different keypairs were
	 * used, or for 1 key there is a keypair but the other key not, then
	 * error If the same keypair object was used previously, check keypair
	 * size & type   */
	if ((keyPairs[pub_key_nb] == null) && (keyPairs[prv_key_nb] == null)) {
		keyPairs[pub_key_nb] = new KeyPair(pub_key, prv_key);
		keyPairs[prv_key_nb] = keyPairs[pub_key_nb];
	} else if (keyPairs[pub_key_nb] != keyPairs[prv_key_nb])
		ISOException.throwIt(SW_OPERATION_NOT_ALLOWED);
	KeyPair kp = keyPairs[pub_key_nb];
	if ((kp.getPublic() != pub_key) || (kp.getPrivate() != prv_key))
		// This should never happen according with this Applet policies
		ISOException.throwIt(SW_INTERNAL_ERROR);
	// We Rely on genKeyPair() to make all necessary checks about types
	kp.genKeyPair();
}
开发者ID:Toporin，项目名称:SatoChipApplet，代码行数:57，代码来源:CardEdge.java

示例3: generateAsymetricKey

import javacard.security.KeyPair; //导入方法依赖的package包/类
/**
 * GENERATE KEY APDU implementation.
 */
private void generateAsymetricKey(APDU apdu) {
  byte[] buffer = apdu.getBuffer();
  //lc=2
  if (apdu.setIncomingAndReceive() != 1) {
    ISOException.throwIt(ISO7816.SW_WRONG_LENGTH);
  }
  KeyPair key = getKey(buffer[ISO7816.OFFSET_CDATA]);
  if (buffer[ISO7816.OFFSET_P1] == (byte) 0x81) {
    if (!(key.getPublic()).isInitialized()) {
      ISOException.throwIt(ISO7816.SW_FILE_NOT_FOUND);
    }
  } else {
    if (!pins[PIN_INDEX_PW3].isValidated()) {
      ISOException.throwIt(ISO7816.SW_CONDITIONS_NOT_SATISFIED);
    }
    JCSystem.beginTransaction();
    key.genKeyPair();
    if (buffer[ISO7816.OFFSET_CDATA] == (byte)0xB6) {
      signatureCounter[0] = 0;
      signatureCounter[1] = 0;
      signatureCounter[2] = 0;
    }
    JCSystem.commitTransaction();
  }
  // Send the TLV data and public exponent using the APDU buffer.
  buffer[ISO7816.OFFSET_CDATA] = 0x7F;
  buffer[(short) (ISO7816.OFFSET_CDATA + 1)] = 0x49;
  buffer[(short) (ISO7816.OFFSET_CDATA + 2)] = (byte) 0x82;
  buffer[(short) (ISO7816.OFFSET_CDATA + 5)] = (byte) 0x82;
  short length = ((RSAPublicKey) key.getPublic()).getExponent(
      buffer, (short) (ISO7816.OFFSET_CDATA + 7));
  buffer[(short) (ISO7816.OFFSET_CDATA + 6)] = (byte) length;
  short pos = (short) (ISO7816.OFFSET_CDATA + 7 + length);
  buffer[pos] = (byte) 0x81;
  buffer[(short) (pos + 1)] = (byte) 0x82;
  Util.setShort(buffer, (short) (pos + 2), RSA_KEY_LENGTH_BYTES);
  Util.setShort(buffer, (short) (ISO7816.OFFSET_CDATA + 3),
                (short) (pos + RSA_KEY_LENGTH_BYTES - ISO7816.OFFSET_CDATA - 1));
  apdu.setOutgoingAndSend(ISO7816.OFFSET_CDATA, (short) (length + 11));

  // And the modulus using get response.
  Util.setShort(commandChainingBuffer, TEMP_GET_RESPONSE_LENGTH, RSA_KEY_LENGTH_BYTES);
  ((RSAPublicKey) key.getPublic()).getModulus(commandChainingBuffer, TEMP_GET_RESPONSE_DATA);
  // Skip leading zero byte.
  if (commandChainingBuffer[TEMP_GET_RESPONSE_DATA] == 0) {//��==0 ��GetModulusʧ��
    Util.setShort(commandChainingBuffer, TEMP_GET_RESPONSE_OFFSET,
                  (short) (TEMP_GET_RESPONSE_DATA + 1));
  } else {
    Util.setShort(commandChainingBuffer, TEMP_GET_RESPONSE_OFFSET, TEMP_GET_RESPONSE_DATA);
  }
  commandChainingBuffer[TEMP_INS] = buffer[ISO7816.OFFSET_INS];
  ISOException.throwIt(ISO7816.SW_BYTES_REMAINING_00);
}
开发者ID:JavaCardOS，项目名称:FluffyPGP-Applet，代码行数:57，代码来源:Gpg.java

示例4: process

import javacard.security.KeyPair; //导入方法依赖的package包/类
public void process(APDU apdu) throws ISOException {
	if(selectingApplet()) {
		return;
	}

	short sendlen = 0;
	short recvlen = apdu.setIncomingAndReceive();
	byte[] buf = apdu.getBuffer();
	byte ins = buf[ISO7816.OFFSET_INS];
	
	KeyPair pair = null;
	byte operation = 0;
	if((ins & 0x0f) == 0x01) {
		operation = GENERATE;
	} else if((ins & 0x0f) == 0x02) {
		operation = SIGN;
	} else {
		ISOException.throwIt(ISO7816.SW_INS_NOT_SUPPORTED);
	}

	switch(ins & 0xf0) {
	case 0x00:
		pair = brainpoolp256r1;
		break;
	case 0x10:
		pair = secp256r1;
		break;
	case 0x20:
		pair = brainpoolp320r1;
		break;
	case 0x30:
		pair = brainpoolp256t1;
		break;
	case 0x40:
		pair = secp256k1;
		break;
	case 0x50:
		pair = gost2001;
		break;
	case 0x60:
		pair = frp256v1;
		break;
	default:
		ISOException.throwIt(ISO7816.SW_INS_NOT_SUPPORTED);
	}
	if(operation == GENERATE) {
		pair.genKeyPair();
		ECPublicKey pubKey = (ECPublicKey) pair.getPublic();
		sendlen = pubKey.getW(buf, _0);
	} else if(operation == SIGN) {
		signature.init(pair.getPrivate(), Signature.MODE_SIGN);
		sendlen = signature.sign(buf, ISO7816.OFFSET_CDATA, recvlen, buf, _0);
	}
	if(sendlen > 0) {
		apdu.setOutgoingAndSend(_0, sendlen);
	}
}
开发者ID:Yubico，项目名称:ykneo-curves，代码行数:58，代码来源:YkneoCurves.java

示例5: generateAsymetricKey

import javacard.security.KeyPair; //导入方法依赖的package包/类
/**
 * GENERATE KEY APDU implementation.
 */
private void generateAsymetricKey(APDU apdu) {
  byte[] buffer = apdu.getBuffer();
  if (apdu.setIncomingAndReceive() != 2) {
    ISOException.throwIt(ISO7816.SW_WRONG_LENGTH);
  }
  KeyPair key = getKey(buffer[ISO7816.OFFSET_CDATA]);
  if (buffer[ISO7816.OFFSET_P1] == (byte) 0x81) {
    if (!(key.getPublic()).isInitialized()) {
      ISOException.throwIt(ISO7816.SW_FILE_NOT_FOUND);
    }
  } else {
    if (!pins[PIN_INDEX_PW3].isValidated()) {
      ISOException.throwIt(ISO7816.SW_CONDITIONS_NOT_SATISFIED);
    }
    JCSystem.beginTransaction();
    key.genKeyPair();
    if (buffer[ISO7816.OFFSET_CDATA] == (byte)0xB6) {
      signatureCounter[0] = 0;
      signatureCounter[1] = 0;
      signatureCounter[2] = 0;
    }
    JCSystem.commitTransaction();
  }
  // Send the TLV data and public exponent using the APDU buffer.
  buffer[ISO7816.OFFSET_CDATA] = 0x7F;
  buffer[(short) (ISO7816.OFFSET_CDATA + 1)] = 0x49;
  buffer[(short) (ISO7816.OFFSET_CDATA + 2)] = (byte) 0x82;
  buffer[(short) (ISO7816.OFFSET_CDATA + 5)] = (byte) 0x82;
  short length = ((RSAPublicKey) key.getPublic()).getExponent(
      buffer, (short) (ISO7816.OFFSET_CDATA + 7));
  buffer[(short) (ISO7816.OFFSET_CDATA + 6)] = (byte) length;
  short pos = (short) (ISO7816.OFFSET_CDATA + 7 + length);
  buffer[pos] = (byte) 0x81;
  buffer[(short) (pos + 1)] = (byte) 0x82;
  Util.setShort(buffer, (short) (pos + 2), RSA_KEY_LENGTH_BYTES);
  Util.setShort(buffer, (short) (ISO7816.OFFSET_CDATA + 3),
                (short) (pos + RSA_KEY_LENGTH_BYTES - ISO7816.OFFSET_CDATA - 1));
  apdu.setOutgoingAndSend(ISO7816.OFFSET_CDATA, (short) (length + 11));

  // And the modulus using get response.
  Util.setShort(commandChainingBuffer, TEMP_GET_RESPONSE_LENGTH, RSA_KEY_LENGTH_BYTES);
  ((RSAPublicKey) key.getPublic()).getModulus(commandChainingBuffer, TEMP_GET_RESPONSE_DATA);
  // Skip leading zero byte.
  if (commandChainingBuffer[TEMP_GET_RESPONSE_DATA] == 0) {
    Util.setShort(commandChainingBuffer, TEMP_GET_RESPONSE_OFFSET,
                  (short) (TEMP_GET_RESPONSE_DATA + 1));
  } else {
    Util.setShort(commandChainingBuffer, TEMP_GET_RESPONSE_OFFSET, TEMP_GET_RESPONSE_DATA);
  }
  commandChainingBuffer[TEMP_INS] = buffer[ISO7816.OFFSET_INS];
  ISOException.throwIt(ISO7816.SW_BYTES_REMAINING_00);
}
开发者ID:FluffyKaon，项目名称:OpenPGP-Card，代码行数:56，代码来源:Gpg.java


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