Compare commits
3 Commits
Author | SHA1 | Date | |
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1dd98c25df | ||
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68f052ef00 | ||
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811e056bb8 |
@@ -13,6 +13,13 @@ import (
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"archgrid.xyz/ag/toolsbox/serialize/base64"
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)
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type Strength int
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const (
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Compatible Strength = iota
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Enhanced
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)
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// 根据给定的密钥字符串生成加解密使用的密钥。
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func generateKey(key string) []byte {
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keyBytes := sha512.Sha512([]byte(key))
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@@ -20,10 +27,16 @@ func generateKey(key string) []byte {
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}
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// 对给定的数据进行加密。
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func Encrypt(data string) (string, error) {
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func Encrypt(data string, strength ...Strength) (string, error) {
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var ivGen aes.IVGenerator
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if append(strength, Enhanced)[0] == Compatible {
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ivGen = aes.PrefixIVGenerator
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} else {
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ivGen = aes.XorIVGenerator
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}
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key := verifyCode.RandStr(20)
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keyBytes := generateKey(key)
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cipherData, err := aes.Encrypt([]byte(data), keyBytes, encryption.PKCS7Padding)
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cipherData, err := aes.Encrypt([]byte(data), keyBytes, encryption.PKCS7Padding, ivGen)
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if err != nil {
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return "", fmt.Errorf("加密计算失败,%w", err)
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}
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@@ -35,7 +48,13 @@ func Encrypt(data string) (string, error) {
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}
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// 对给定的数据进行解密。
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func Decrypt(data string) (string, error) {
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func Decrypt(data string, strength ...Strength) (string, error) {
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var ivGen aes.IVGenerator
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if append(strength, Enhanced)[0] == Compatible {
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ivGen = aes.PrefixIVGenerator
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} else {
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ivGen = aes.XorIVGenerator
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}
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if message, found := strings.CutPrefix(data, "["); found {
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if len(message) > 20 {
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keySeed := message[:20]
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@@ -44,7 +63,7 @@ func Decrypt(data string) (string, error) {
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if err != nil {
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return "", fmt.Errorf("密文损坏无法解析,%w", err)
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}
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plainText, err := aes.Decrypt(cipherData, key, encryption.PKCS7Padding)
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plainText, err := aes.Decrypt(cipherData, key, encryption.PKCS7Padding, ivGen)
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if err != nil {
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return "", fmt.Errorf("密文解密计算失败,%w", err)
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}
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@@ -10,17 +10,17 @@ import (
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)
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// 用于记录当前冰雹ID组成内容的数据结构
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type _HailAlgorithm struct {
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type HailAlgorithm struct {
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hostSerial int64
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lastTimestamp int64
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lastSequence int64
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lock sync.Mutex
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}
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var hailAlgorithmInstance *_HailAlgorithm
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var hailAlgorithmInstance *HailAlgorithm
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// 获取当前已经完成初始化的冰雹ID生成算法实例,如果尚未完成初始化则会返回未初始化的错误。
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func Get() (*_HailAlgorithm, error) {
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func Get() (*HailAlgorithm, error) {
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if hailAlgorithmInstance == nil {
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return nil, &HailAlgorithmNotInitializedError{}
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}
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@@ -29,7 +29,7 @@ func Get() (*_HailAlgorithm, error) {
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// 指定一个主机编号,并完成冰雹ID生成算法的初始化。
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func Initialize(hostSerial int64) {
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hailAlgorithmInstance = &_HailAlgorithm{
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hailAlgorithmInstance = &HailAlgorithm{
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hostSerial: hostSerial,
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lastTimestamp: types.Timestamp(),
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lastSequence: 0,
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@@ -38,7 +38,7 @@ func Initialize(hostSerial int64) {
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}
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// 返回一个可用的时间戳,如果主机发生了时间回拨,那么将等待一秒钟。
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func (h *_HailAlgorithm) timestamp() int64 {
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func (h *HailAlgorithm) timestamp() int64 {
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for {
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timestamp := types.Timestamp()
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if timestamp == h.lastTimestamp {
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@@ -54,7 +54,7 @@ func (h *_HailAlgorithm) timestamp() int64 {
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}
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// 生成一个冰雹ID。
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func (h *_HailAlgorithm) Generate() int64 {
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func (h *HailAlgorithm) Generate() int64 {
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h.lock.Lock()
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defer h.lock.Unlock()
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timestamp := h.timestamp()
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@@ -63,11 +63,11 @@ func (h *_HailAlgorithm) Generate() int64 {
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}
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// 生成一个冰雹ID,并将其转换为字符串。
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func (h *_HailAlgorithm) GenerateString() string {
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func (h *HailAlgorithm) GenerateString() string {
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return fmt.Sprintf("%017d", h.Generate())
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}
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// 生成一个冰雹ID,将其转换为字符串并附加指定的前缀
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func (h *_HailAlgorithm) GeneratePrefixedString(prefix string) string {
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func (h *HailAlgorithm) GeneratePrefixedString(prefix string) string {
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return fmt.Sprintf("%s%s", prefix, h.GenerateString())
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}
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