64 lines
1.4 KiB
Go
64 lines
1.4 KiB
Go
package crypto
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import (
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"crypto/rand"
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"encoding/hex"
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"io"
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mathrand "math/rand"
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"strconv"
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"time"
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)
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// 生成AES-128密钥的函数，符合市面规范
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func GenerateSecretKey() (string, error) {
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key := make([]byte, 16) // 16字节密钥
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_, err := io.ReadFull(rand.Reader, key)
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if err != nil {
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return "", err
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}
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return hex.EncodeToString(key), nil
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}
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func GenerateSecretId() (string, error) {
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// 创建一个字节数组，用于存储随机数据
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bytes := make([]byte, 8) // 因为每个字节表示两个16进制字符
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// 读取随机字节到数组中
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_, err := rand.Read(bytes)
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if err != nil {
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return "", err
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}
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// 将字节数组转换为16进制字符串
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return hex.EncodeToString(bytes), nil
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}
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// GenerateTransactionID 生成16位数的交易单号
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func GenerateTransactionID() string {
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length := 16
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// 获取当前时间戳
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timestamp := time.Now().UnixNano()
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// 转换为字符串
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timeStr := strconv.FormatInt(timestamp, 10)
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// 生成随机数
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mathrand.Seed(time.Now().UnixNano())
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randomPart := strconv.Itoa(mathrand.Intn(1000000))
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// 组合时间戳和随机数
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combined := timeStr + randomPart
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// 如果长度超出指定值，则截断；如果不够，则填充随机字符
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if len(combined) >= length {
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return combined[:length]
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}
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// 如果长度不够，填充0
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for len(combined) < length {
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combined += strconv.Itoa(mathrand.Intn(10)) // 填充随机数
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}
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return combined
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}
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