初始化项目：基础设施 + 用户认证 + 后台管理系统 + AGPL 3.0 许可

internal/common/crypto.go

@@ -0,0 +1,20 @@
+package common
+
+import (
+	"golang.org/x/crypto/bcrypt"
+)
+
+// HashPassword 使用 bcrypt 哈希密码
+func HashPassword(password string, cost int) (string, error) {
+	bytes, err := bcrypt.GenerateFromPassword([]byte(password), cost)
+	if err != nil {
+		return "", err
+	}
+	return string(bytes), nil
+}
+
+// CheckPassword 验证密码
+func CheckPassword(password, hash string) bool {
+	err := bcrypt.CompareHashAndPassword([]byte(hash), []byte(password))
+	return err == nil
+}