97 lines
2.4 KiB
Go
97 lines
2.4 KiB
Go
package rsa
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import (
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"fmt"
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"io"
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"os"
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"archgrid.xyz/ag/tools/types"
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"archgrid.xyz/ag/toolsbox/encryption/rsa"
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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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rsaSignFile bool
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rsaSignInputFile string
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rsaSignEncoding types.ResultEncoding = types.ResultInHex
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)
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var rsaSignCmd = &cobra.Command{
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Use: "sign",
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Short: `使用RSA算法对给定的内容进行签名`,
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Long: `使用RSA算法对给定的内容进行签名，生成RSA密钥。如果指定了输入文件，则从输入文件中读取内容进行签名，否则从命令行读取内容进行签名。`,
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Args: cobra.MaximumNArgs(1),
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Run: rsaSignExecute,
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}
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func rsaSignExecute(cmd *cobra.Command, args []string) {
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var (
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content []byte
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cert []byte
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keys *rsa.KeyPair
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err error
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)
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if len(privateKeyFile) > 0 {
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file, err := os.Open(privateKeyFile)
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if err != nil {
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fmt.Printf("无法打开RSA私钥文件：%s\n", err)
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return
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}
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cert, err = io.ReadAll(file)
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if err != nil {
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fmt.Printf("无法读取RSA私钥文件：%s\n", err)
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return
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}
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} else {
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fmt.Println("必须提供RSA私钥文件才能够签名。")
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return
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}
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keys, err = rsa.NewFromPEM(cert)
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if err != nil {
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fmt.Printf("无法解析RSA私钥：%s\n", err)
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return
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}
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if rsaSignFile {
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if len(rsaSignInputFile) == 0 {
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fmt.Println("必须指定输入文件名。")
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return
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}
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file, err := os.Open(rsaSignInputFile)
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if err != nil {
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fmt.Printf("无法打开输入文件：%s\n", err)
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return
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}
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content, err = io.ReadAll(file)
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if err != nil {
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fmt.Printf("无法读取输入文件：%s\n", err)
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return
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}
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} else {
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if len(args) == 0 {
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fmt.Println("必须指定输入内容。")
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return
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}
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content = []byte(args[0])
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}
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signature, err := keys.Sign(content)
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if err != nil {
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fmt.Printf("无法签名：%s\n", err)
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return
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}
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switch rsaSignEncoding {
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case types.ResultInHex:
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fmt.Printf("签名为：%s\n", hex.ToHex(signature))
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case types.ResultInBase64:
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fmt.Printf("签名为：%s\n", base64.ToBase64(signature))
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}
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}
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func init() {
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rsaSignCmd.Flags().BoolVarP(&rsaSignFile, "file", "f", false, "指定对文件内容进行签名")
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rsaSignCmd.Flags().StringVarP(&rsaSignInputFile, "input", "i", "", "指定读入内容的文件名")
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rsaSignCmd.Flags().VarP(&rsaSignEncoding, "encoding", "e", "指定签名输出编码方式，可选值为hex或base64")
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rsaCmd.AddCommand(rsaSignCmd)
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}
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