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Golang CounterHash.Hash方法代码示例

本文整理汇总了Golang中github.com/v2ray/v2ray-core/proxy/vmess/protocol/user.CounterHash.Hash方法的典型用法代码示例。如果您正苦于以下问题：Golang CounterHash.Hash方法的具体用法？Golang CounterHash.Hash怎么用？Golang CounterHash.Hash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github.com/v2ray/v2ray-core/proxy/vmess/protocol/user.CounterHash的用法示例。


在下文中一共展示了CounterHash.Hash方法的4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Golang代码示例。

示例1: ToBytes

func (request *VMessRequest) ToBytes(idHash user.CounterHash, randomRangeInt64 user.RandomInt64InRange) ([]byte, error) {
	buffer := make([]byte, 0, 300)

	counter := randomRangeInt64(time.Now().UTC().Unix(), 30)
	hash := idHash.Hash(request.UserId.Bytes, counter)

	log.Debug("Writing userhash: %v", hash)
	buffer = append(buffer, hash...)

	encryptionBegin := len(buffer)

	randomLength := mrand.Intn(32) + 1
	randomContent := make([]byte, randomLength)
	_, err := rand.Read(randomContent)
	if err != nil {
		return nil, err
	}
	buffer = append(buffer, byte(randomLength))
	buffer = append(buffer, randomContent...)

	buffer = append(buffer, request.Version)
	buffer = append(buffer, request.RequestIV[:]...)
	buffer = append(buffer, request.RequestKey[:]...)
	buffer = append(buffer, request.ResponseHeader[:]...)
	buffer = append(buffer, request.Command)
	buffer = append(buffer, request.Address.PortBytes()...)

	switch {
	case request.Address.IsIPv4():
		buffer = append(buffer, addrTypeIPv4)
		buffer = append(buffer, request.Address.IP()...)
	case request.Address.IsIPv6():
		buffer = append(buffer, addrTypeIPv6)
		buffer = append(buffer, request.Address.IP()...)
	case request.Address.IsDomain():
		buffer = append(buffer, addrTypeDomain)
		buffer = append(buffer, byte(len(request.Address.Domain())))
		buffer = append(buffer, []byte(request.Address.Domain())...)
	}

	paddingLength := mrand.Intn(32) + 1
	paddingBuffer := make([]byte, paddingLength)
	_, err = rand.Read(paddingBuffer)
	if err != nil {
		return nil, err
	}
	buffer = append(buffer, byte(paddingLength))
	buffer = append(buffer, paddingBuffer...)
	encryptionEnd := len(buffer)

	aesCipher, err := aes.NewCipher(request.UserId.CmdKey())
	if err != nil {
		return nil, err
	}
	aesStream := cipher.NewCFBEncrypter(aesCipher, user.Int64Hash(counter))
	aesStream.XORKeyStream(buffer[encryptionBegin:encryptionEnd], buffer[encryptionBegin:encryptionEnd])

	return buffer, nil
}
开发者ID:zenwalk，项目名称:v2ray-core，代码行数:59，代码来源:vmess.go

示例2: ToBytes

func (vmess *VMessUDP) ToBytes(idHash user.CounterHash, randomRangeInt64 user.RandomInt64InRange, buffer []byte) []byte {
	if buffer == nil {
		buffer = make([]byte, 0, 2*1024)
	}

	counter := randomRangeInt64(time.Now().UTC().Unix(), 30)
	hash := idHash.Hash(vmess.user.Bytes[:], counter)

	buffer = append(buffer, hash...)
	encryptBegin := 16

	// Placeholder for fnv1a hash
	buffer = append(buffer, byte(0), byte(0), byte(0), byte(0))
	fnvHash := 16
	fnvHashBegin := 20

	buffer = append(buffer, vmess.version)
	buffer = append(buffer, byte(vmess.token>>8), byte(vmess.token))
	buffer = append(buffer, byte(0x00))
	buffer = append(buffer, vmess.address.PortBytes()...)
	switch {
	case vmess.address.IsIPv4():
		buffer = append(buffer, addrTypeIPv4)
		buffer = append(buffer, vmess.address.IP()...)
	case vmess.address.IsIPv6():
		buffer = append(buffer, addrTypeIPv6)
		buffer = append(buffer, vmess.address.IP()...)
	case vmess.address.IsDomain():
		buffer = append(buffer, addrTypeDomain)
		buffer = append(buffer, byte(len(vmess.address.Domain())))
		buffer = append(buffer, []byte(vmess.address.Domain())...)
	}

	buffer = append(buffer, vmess.data...)

	fnv1a := fnv.New32a()
	fnv1a.Write(buffer[fnvHashBegin:])
	fnvHashValue := fnv1a.Sum32()

	buffer[fnvHash] = byte(fnvHashValue >> 24)
	buffer[fnvHash+1] = byte(fnvHashValue >> 16)
	buffer[fnvHash+2] = byte(fnvHashValue >> 8)
	buffer[fnvHash+3] = byte(fnvHashValue)

	aesCipher, err := aes.NewCipher(vmess.user.CmdKey())
	if err != nil {
		log.Error("VMess failed to create AES cipher: %v", err)
		return nil
	}
	aesStream := cipher.NewCFBEncrypter(aesCipher, user.Int64Hash(counter))
	aesStream.XORKeyStream(buffer[encryptBegin:], buffer[encryptBegin:])

	return buffer
}
开发者ID:s752550916，项目名称:v2ray-core，代码行数:54，代码来源:udp.go

示例3: ToBytes

// ToBytes returns a VMessRequest in the form of byte array.
func (request *VMessRequest) ToBytes(idHash user.CounterHash, randomRangeInt64 user.RandomInt64InRange, buffer []byte) ([]byte, error) {
	if buffer == nil {
		buffer = make([]byte, 0, 300)
	}

	counter := randomRangeInt64(time.Now().UTC().Unix(), 30)
	hash := idHash.Hash(request.UserId.Bytes[:], counter)

	log.Debug("Writing userhash: %v", hash)
	buffer = append(buffer, hash...)

	encryptionBegin := len(buffer)

	buffer = append(buffer, request.Version)
	buffer = append(buffer, request.RequestIV[:]...)
	buffer = append(buffer, request.RequestKey[:]...)
	buffer = append(buffer, request.ResponseHeader[:]...)
	buffer = append(buffer, request.Command)
	buffer = append(buffer, request.Address.PortBytes()...)

	switch {
	case request.Address.IsIPv4():
		buffer = append(buffer, addrTypeIPv4)
		buffer = append(buffer, request.Address.IP()...)
	case request.Address.IsIPv6():
		buffer = append(buffer, addrTypeIPv6)
		buffer = append(buffer, request.Address.IP()...)
	case request.Address.IsDomain():
		buffer = append(buffer, addrTypeDomain)
		buffer = append(buffer, byte(len(request.Address.Domain())))
		buffer = append(buffer, []byte(request.Address.Domain())...)
	}

	encryptionEnd := len(buffer)

	fnv1a := fnv.New32a()
	fnv1a.Write(buffer[encryptionBegin:encryptionEnd])

	fnvHash := fnv1a.Sum32()
	buffer = append(buffer, byte(fnvHash>>24))
	buffer = append(buffer, byte(fnvHash>>16))
	buffer = append(buffer, byte(fnvHash>>8))
	buffer = append(buffer, byte(fnvHash))
	encryptionEnd += 4

	aesCipher, err := aes.NewCipher(request.UserId.CmdKey())
	if err != nil {
		return nil, err
	}
	aesStream := cipher.NewCFBEncrypter(aesCipher, user.Int64Hash(counter))
	aesStream.XORKeyStream(buffer[encryptionBegin:encryptionEnd], buffer[encryptionBegin:encryptionEnd])

	return buffer, nil
}
开发者ID:nenew，项目名称:v2ray-core，代码行数:55，代码来源:vmess.go

示例4: ToBytes

// ToBytes returns a VMessRequest in the form of byte array.
func (request *VMessRequest) ToBytes(idHash user.CounterHash, randomRangeInt64 user.RandomInt64InRange, buffer *alloc.Buffer) (*alloc.Buffer, error) {
	if buffer == nil {
		buffer = alloc.NewSmallBuffer().Clear()
	}

	counter := randomRangeInt64(time.Now().UTC().Unix(), 30)
	hash := idHash.Hash(request.UserId.Bytes[:], counter)

	buffer.Append(hash)

	encryptionBegin := buffer.Len()

	buffer.AppendBytes(request.Version)
	buffer.Append(request.RequestIV)
	buffer.Append(request.RequestKey)
	buffer.Append(request.ResponseHeader)
	buffer.AppendBytes(request.Command)
	buffer.Append(request.Address.PortBytes())

	switch {
	case request.Address.IsIPv4():
		buffer.AppendBytes(addrTypeIPv4)
		buffer.Append(request.Address.IP())
	case request.Address.IsIPv6():
		buffer.AppendBytes(addrTypeIPv6)
		buffer.Append(request.Address.IP())
	case request.Address.IsDomain():
		buffer.AppendBytes(addrTypeDomain, byte(len(request.Address.Domain())))
		buffer.Append([]byte(request.Address.Domain()))
	}

	encryptionEnd := buffer.Len()

	fnv1a := fnv.New32a()
	fnv1a.Write(buffer.Value[encryptionBegin:encryptionEnd])

	fnvHash := fnv1a.Sum32()
	buffer.AppendBytes(byte(fnvHash>>24), byte(fnvHash>>16), byte(fnvHash>>8), byte(fnvHash))
	encryptionEnd += 4

	aesCipher, err := aes.NewCipher(request.UserId.CmdKey())
	if err != nil {
		return nil, err
	}
	aesStream := cipher.NewCFBEncrypter(aesCipher, user.Int64Hash(counter))
	aesStream.XORKeyStream(buffer.Value[encryptionBegin:encryptionEnd], buffer.Value[encryptionBegin:encryptionEnd])

	return buffer, nil
}
开发者ID:amazted，项目名称:v2ray-core，代码行数:50，代码来源:vmess.go


注：本文中的github.com/v2ray/v2ray-core/proxy/vmess/protocol/user.CounterHash.Hash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。