72 lines
1.9 KiB
Go
72 lines
1.9 KiB
Go
package rsa
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import (
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"fmt"
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"os"
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"archgrid.xyz/ag/toolsbox/encryption/rsa"
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"github.com/spf13/cobra"
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)
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var (
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rsaKeyOutputFile string
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)
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var keyGenCmd = &cobra.Command{
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Use: "keygen",
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Short: "生成RSA密钥对",
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Long: `生成RSA密钥对，密钥对将会被保存到指定的文件中。`,
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Args: cobra.NoArgs,
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Run: keyGenExecute,
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}
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func keyGenExecute(cmd *cobra.Command, args []string) {
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if len(rsaKeyOutputFile) == 0 {
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fmt.Println("必须指定密钥输出文件名的前缀。")
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return
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}
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keyPair, err := rsa.NewKeyPair(rsaKeyLength.IntoRSAKeyLength())
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if err != nil {
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fmt.Printf("无法生成RSA密钥对：%s\n", err)
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return
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}
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privateKeyBytes, err := rsa.EncodePrivateKey(keyPair.PrivateKey)
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if err != nil {
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fmt.Printf("无法编码RSA私钥：%s\n", err)
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return
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}
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privateKeyFile, err := os.OpenFile(rsaKeyOutputFile+".pri.pem", os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
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if err != nil {
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fmt.Printf("无法创建RSA私钥文件：%s\n", err)
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return
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}
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defer privateKeyFile.Close()
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_, err = privateKeyFile.Write(privateKeyBytes)
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if err != nil {
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fmt.Printf("无法写入RSA私钥文件：%s\n", err)
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return
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}
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publicKeyBytes, err := rsa.EncodePublicKey(keyPair.PublicKey)
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if err != nil {
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fmt.Printf("无法编码RSA公钥：%s\n", err)
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return
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}
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publicKeyFile, err := os.OpenFile(rsaKeyOutputFile+".pub.pem", os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
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if err != nil {
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fmt.Printf("无法创建RSA公钥文件：%s\n", err)
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return
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}
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defer publicKeyFile.Close()
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_, err = publicKeyFile.Write(publicKeyBytes)
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if err != nil {
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fmt.Printf("无法写入RSA公钥文件：%s\n", err)
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return
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}
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fmt.Printf("RSA密钥对已经保存到文件：%s.pri.pem, %s.pub.pem\n", rsaKeyOutputFile, rsaKeyOutputFile)
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}
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func init() {
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keyGenCmd.Flags().StringVarP(&rsaKeyOutputFile, "output", "o", "", "用于保存密钥输出文件名的前缀。")
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rsaCmd.AddCommand(keyGenCmd)
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}
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