114 lines
3.3 KiB
Go
114 lines
3.3 KiB
Go
package cmd
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import (
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"fmt"
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"archgrid.xyz/ag/tools/types"
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"archgrid.xyz/ag/toolsbox/encryption"
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"archgrid.xyz/ag/toolsbox/encryption/des"
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"archgrid.xyz/ag/toolsbox/serialize/base64"
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"archgrid.xyz/ag/toolsbox/serialize/hex"
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"github.com/spf13/cobra"
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)
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var (
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desKey string
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desResult types.ResultEncoding = types.ResultInHex
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desPadding types.EncryptionPadding = types.PKCS7Padding
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)
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var desCommand = &cobra.Command{
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Use: "des",
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Short: "DES加密算法工具",
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Long: `使用DES加密算法加密或解密数据，在使用的时候注意明文和密文中如果包含空格或特殊字符，需要使用双引号包裹起来。`,
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}
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var desEncryptCmd = &cobra.Command{
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Use: "encrypt",
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Short: "使用DES加密算法加密",
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Long: `使用DES加密算法加密，支持三种填充方式：PKCS7、Zero和无填充。默认输出十六进制编码字符串。`,
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Args: cobra.MinimumNArgs(1),
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Run: desEncryptExecute,
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}
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var desDecryptCmd = &cobra.Command{
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Use: "decrypt",
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Short: "使用DES加密算法解密",
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Long: `使用DES加密算法解密，支持三种填充方式：PKCS7、Zero和无填充。默认输入十六进制编码字符串。`,
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Args: cobra.MinimumNArgs(1),
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Run: desDecryptExecute,
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}
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func desEncryptExecute(cmd *cobra.Command, args []string) {
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var pad encryption.PaddingMode
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switch desPadding {
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case types.PKCS7Padding:
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pad = encryption.PKCS7Padding
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case types.ZeroPadding:
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pad = encryption.ZeroPadding
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case types.NoPadding:
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pad = encryption.NoPadding
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default:
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fmt.Printf("不支持的填充方式：%s\n", desPadding)
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return
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}
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encodedResult, err := des.Encrypt([]byte(args[0]), []byte(desKey), pad)
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if err != nil {
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fmt.Printf("加密失败：%s\n", err)
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return
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}
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switch desResult {
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case types.ResultInBase64:
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fmt.Printf("加密结果：%s\n", base64.ToBase64URLEncoded(encodedResult))
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case types.ResultInHex:
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fallthrough
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default:
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fmt.Printf("加密结果：%s\n", hex.ToHex(encodedResult))
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}
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}
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func desDecryptExecute(cmd *cobra.Command, args []string) {
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var pad encryption.PaddingMode
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switch desPadding {
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case types.PKCS7Padding:
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pad = encryption.PKCS7Padding
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case types.ZeroPadding:
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pad = encryption.ZeroPadding
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case types.NoPadding:
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pad = encryption.NoPadding
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default:
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fmt.Printf("不支持的填充方式：%s\n", desPadding)
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return
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}
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var (
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data []byte
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err error
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)
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switch desResult {
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case types.ResultInBase64:
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data, err = base64.FromBase64(args[0])
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case types.ResultInHex:
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fallthrough
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default:
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data, err = hex.FromHex(args[0])
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}
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if err != nil {
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fmt.Printf("解密失败，提供的密文无法解析，%s\n", err)
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return
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}
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decodedResult, err := des.Decrypt(data, []byte(desKey), pad)
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if err != nil {
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fmt.Printf("解密失败，%s\n", err)
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return
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}
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fmt.Printf("解密结果：%s\n", decodedResult)
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}
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func init() {
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desCommand.PersistentFlags().VarP(&desResult, "output", "o", "密文的编码方式，可选Base64或者Hex，同时对加密和解密过程有效，默认使用Hex编码。")
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desCommand.PersistentFlags().StringVarP(&desKey, "key", "k", "", "密钥。")
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desCommand.PersistentFlags().VarP(&desPadding, "padding", "p", "填充方式，支持pkcs7、zero和none，默认为pkcs7。")
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desCommand.AddCommand(desEncryptCmd, desDecryptCmd)
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rootCmd.AddCommand(desCommand)
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}
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