feat: 注册短信验证码验证功能已经开启

api/go/utils/crypto.go

@@ -0,0 +1,70 @@
+package utils
+
+import (
+	"bytes"
+	"crypto/aes"
+	"crypto/cipher"
+	"encoding/base64"
+	"errors"
+)
+
+// AesEncrypt 加密
+func AesEncrypt(keyStr string, data []byte) (string, error) {
+	//创建加密实例
+	key := []byte(keyStr)
+	block, err := aes.NewCipher(key)
+	if err != nil {
+		return "", err
+	}
+
+	blockSize := block.BlockSize()
+	encryptBytes := pkcs7Padding(data, blockSize)
+	result := make([]byte, len(encryptBytes))
+	//使用cbc加密模式
+	blockMode := cipher.NewCBCEncrypter(block, key[:blockSize])
+	//执行加密
+	blockMode.CryptBlocks(result, encryptBytes)
+	return base64.StdEncoding.EncodeToString(result), nil
+}
+
+// AesDecrypt 解密
+func AesDecrypt(keyStr string, dataStr string) ([]byte, error) {
+	//创建实例
+	key := []byte(keyStr)
+	block, err := aes.NewCipher(key)
+	if err != nil {
+		return nil, err
+	}
+
+	data, err := base64.StdEncoding.DecodeString(dataStr)
+	if err != nil {
+		return nil, err
+	}
+
+	blockSize := block.BlockSize()
+	blockMode := cipher.NewCBCDecrypter(block, key[:blockSize])
+	result := make([]byte, len(data))
+	//执行解密
+	blockMode.CryptBlocks(result, data)
+	//去除填充
+	result, err = pkcs7UnPadding(result)
+	if err != nil {
+		return nil, err
+	}
+	return result, nil
+}
+
+func pkcs7Padding(data []byte, blockSize int) []byte {
+	padding := blockSize - len(data)%blockSize
+	padText := bytes.Repeat([]byte{byte(padding)}, padding)
+	return append(data, padText...)
+}
+
+func pkcs7UnPadding(data []byte) ([]byte, error) {
+	length := len(data)
+	if length == 0 {
+		return nil, errors.New("empty encrypt data")
+	}
+	unPadding := int(data[length-1])
+	return data[:(length - unPadding)], nil
+}

api/go/utils/strings.go

@@ -22,17 +22,20 @@ func RandString(length int) string {
 }
 
 func RandomNumber(bit int) int {
-	rand.Seed(time.Now().UnixNano())
-	min := 1 // min value
-	max := 1 //max value
-	for i := 0; i < bit; i++ {
-		min = min * 10
-		max = max * 10
-	}
-	max = max * 10
+	min := intPow(10, bit-1)
+	max := intPow(10, bit) - 1
+
 	return rand.Intn(max-min+1) + min
 }
 
+func intPow(x, y int) int {
+	result := 1
+	for i := 0; i < y; i++ {
+		result *= x
+	}
+	return result
+}
+
 func ContainsStr(slice []string, item string) bool {
 	for _, e := range slice {
 		if e == item {