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Golang Transaction.ChaincodeID方法代碼示例

本文整理匯總了Golang中github.com/openblockchain/obc-peer/protos.Transaction.ChaincodeID方法的典型用法代碼示例。如果您正苦於以下問題：Golang Transaction.ChaincodeID方法的具體用法？Golang Transaction.ChaincodeID怎麽用？Golang Transaction.ChaincodeID使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/openblockchain/obc-peer/protos.Transaction的用法示例。


在下文中一共展示了Transaction.ChaincodeID方法的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。

示例1: encryptTx

func (client *clientImpl) encryptTx(tx *obc.Transaction) error {

	if len(tx.Nonce) == 0 {
		return errors.New("Failed encrypting payload. Invalid nonce.")
	}

	// Derive key
	txKey := utils.HMAC(client.node.enrollChainKey, tx.Nonce)

	//	client.node.log.Info("Deriving from :", utils.EncodeBase64(client.node.enrollChainKey))
	//	client.node.log.Info("Nonce  ", utils.EncodeBase64(tx.Nonce))
	//	client.node.log.Info("Derived key  ", utils.EncodeBase64(txKey))

	// Encrypt Payload
	payloadKey := utils.HMACTruncated(txKey, []byte{1}, utils.AESKeyLength)
	encryptedPayload, err := utils.CBCPKCS7Encrypt(payloadKey, tx.Payload)
	if err != nil {
		return err
	}
	tx.Payload = encryptedPayload

	// Encrypt ChaincodeID
	chaincodeIDKey := utils.HMACTruncated(txKey, []byte{2}, utils.AESKeyLength)
	encryptedChaincodeID, err := utils.CBCPKCS7Encrypt(chaincodeIDKey, tx.ChaincodeID)
	if err != nil {
		return err
	}
	tx.ChaincodeID = encryptedChaincodeID

	// Encrypt Metadata
	if len(tx.Metadata) != 0 {
		metadataKey := utils.HMACTruncated(txKey, []byte{3}, utils.AESKeyLength)
		encryptedMetadata, err := utils.CBCPKCS7Encrypt(metadataKey, tx.Metadata)
		if err != nil {
			return err
		}
		tx.Metadata = encryptedMetadata
	}

	client.node.log.Debug("Encrypted ChaincodeID [%s].", utils.EncodeBase64(tx.ChaincodeID))
	client.node.log.Debug("Encrypted Payload [%s].", utils.EncodeBase64(tx.Payload))
	client.node.log.Debug("Encrypted Metadata [%s].", utils.EncodeBase64(tx.Metadata))

	return nil
}
開發者ID:butine，項目名稱:research，代碼行數:45，代碼來源:client_chain.go

示例2: encryptTxVersion1_1

func (client *clientImpl) encryptTxVersion1_1(tx *obc.Transaction) error {
	// client.enrollChainKey is an AES key represented as byte array
	enrollChainKey := client.enrollChainKey.([]byte)

	// Derive key
	txKey := utils.HMAC(enrollChainKey, tx.Nonce)

	//	client.log.Info("Deriving from :", utils.EncodeBase64(client.node.enrollChainKey))
	//	client.log.Info("Nonce  ", utils.EncodeBase64(tx.Nonce))
	//	client.log.Info("Derived key  ", utils.EncodeBase64(txKey))

	// Encrypt Payload
	payloadKey := utils.HMACTruncated(txKey, []byte{1}, utils.AESKeyLength)
	encryptedPayload, err := utils.CBCPKCS7Encrypt(payloadKey, tx.Payload)
	if err != nil {
		return err
	}
	tx.Payload = encryptedPayload

	// Encrypt ChaincodeID
	chaincodeIDKey := utils.HMACTruncated(txKey, []byte{2}, utils.AESKeyLength)
	encryptedChaincodeID, err := utils.CBCPKCS7Encrypt(chaincodeIDKey, tx.ChaincodeID)
	if err != nil {
		return err
	}
	tx.ChaincodeID = encryptedChaincodeID

	// Encrypt Metadata
	if len(tx.Metadata) != 0 {
		metadataKey := utils.HMACTruncated(txKey, []byte{3}, utils.AESKeyLength)
		encryptedMetadata, err := utils.CBCPKCS7Encrypt(metadataKey, tx.Metadata)
		if err != nil {
			return err
		}
		tx.Metadata = encryptedMetadata
	}

	return nil
}
開發者ID:tanyakchoon，項目名稱:obc-peer，代碼行數:39，代碼來源:client_confidentiality.go

示例3: encryptTx

func (client *clientImpl) encryptTx(tx *obc.Transaction) error {

	if tx.Nonce == nil || len(tx.Nonce) == 0 {
		return errors.New("Failed encrypting payload. Invalid nonce.")
	}

	// Derive key
	txKey := utils.HMAC(client.node.enrollChainKey, tx.Nonce)

	//	client.node.log.Info("Deriving from :", utils.EncodeBase64(client.node.enrollChainKey))
	//	client.node.log.Info("Nonce  ", utils.EncodeBase64(tx.Nonce))
	//	client.node.log.Info("Derived key  ", utils.EncodeBase64(txKey))

	// Encrypt using the derived key
	payloadKey := utils.HMACTruncated(txKey, []byte{1}, utils.AESKeyLength)
	encryptedPayload, err := utils.CBCPKCS7Encrypt(payloadKey, tx.Payload)
	if err != nil {
		return err
	}
	tx.EncryptedPayload = encryptedPayload
	tx.Payload = nil

	chaincodeIDKey := utils.HMACTruncated(txKey, []byte{2}, utils.AESKeyLength)
	rawChaincodeID, err := proto.Marshal(tx.ChaincodeID)
	if err != nil {
		return err
	}
	tx.EncryptedChaincodeID, err = utils.CBCPKCS7Encrypt(chaincodeIDKey, rawChaincodeID)
	if err != nil {
		return err
	}
	tx.ChaincodeID = nil

	client.node.log.Debug("Encrypted Payload [%s].", utils.EncodeBase64(tx.EncryptedPayload))
	client.node.log.Debug("Encrypted ChaincodeID [%s].", utils.EncodeBase64(tx.EncryptedChaincodeID))

	return nil
}
開發者ID:masterDev1985，項目名稱:obc-peer，代碼行數:38，代碼來源:client_chain.go

示例4: encryptTxVersion1_2

func (client *clientImpl) encryptTxVersion1_2(tx *obc.Transaction) error {
	// Create (PK_C,SK_C) pair
	ccPrivateKey, err := client.eciesSPI.NewPrivateKey(rand.Reader, conf.GetDefaultCurve())
	if err != nil {
		client.error("Failed generate chaincode keypair: [%s]", err)

		return err
	}

	// Prepare message to the validators
	var (
		stateKey  []byte
		privBytes []byte
	)

	switch tx.Type {
	case obc.Transaction_CHAINCODE_NEW:
		// Prepare chaincode stateKey and privateKey
		stateKey, err = utils.GenAESKey()
		if err != nil {
			client.error("Failed creating state key: [%s]", err)

			return err
		}

		privBytes, err = client.eciesSPI.SerializePrivateKey(ccPrivateKey)
		if err != nil {
			client.error("Failed serializing chaincode key: [%s]", err)

			return err
		}

		break
	case obc.Transaction_CHAINCODE_QUERY:
		// Prepare chaincode stateKey and privateKey
		stateKey = utils.HMACTruncated(client.queryStateKey, append([]byte{6}, tx.Nonce...), utils.AESKeyLength)

		privBytes, err = client.eciesSPI.SerializePrivateKey(ccPrivateKey)
		if err != nil {
			client.error("Failed serializing chaincode key: [%s]", err)

			return err
		}

		break
	case obc.Transaction_CHAINCODE_EXECUTE:
		// Prepare chaincode stateKey and privateKey
		stateKey = make([]byte, 0)

		privBytes, err = client.eciesSPI.SerializePrivateKey(ccPrivateKey)
		if err != nil {
			client.error("Failed serializing chaincode key: [%s]", err)

			return err
		}
		break
	}

	// Encrypt message to the validators
	cipher, err := client.eciesSPI.NewAsymmetricCipherFromPublicKey(client.chainPublicKey)
	if err != nil {
		client.error("Failed creating new encryption scheme: [%s]", err)

		return err
	}

	msgToValidators, err := asn1.Marshal(chainCodeValidatorMessage1_2{privBytes, stateKey})
	if err != nil {
		client.error("Failed preparing message to the validators: [%s]", err)

		return err
	}

	encMsgToValidators, err := cipher.Process(msgToValidators)
	if err != nil {
		client.error("Failed encrypting message to the validators: [%s]", err)

		return err
	}
	tx.ToValidators = encMsgToValidators

	// Encrypt the rest of the fields

	// Init with chainccode pk
	cipher, err = client.eciesSPI.NewAsymmetricCipherFromPublicKey(ccPrivateKey.GetPublicKey())
	if err != nil {
		client.error("Failed initiliazing encryption scheme: [%s]", err)

		return err
	}

	// Encrypt chaincodeID using pkC
	encryptedChaincodeID, err := cipher.Process(tx.ChaincodeID)
	if err != nil {
		client.error("Failed encrypting chaincodeID: [%s]", err)

		return err
	}
	tx.ChaincodeID = encryptedChaincodeID

//.........這裏部分代碼省略.........
開發者ID:tanyakchoon，項目名稱:obc-peer，代碼行數:101，代碼來源:client_confidentiality.go


注：本文中的github.com/openblockchain/obc-peer/protos.Transaction.ChaincodeID方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。