feat: Remove generate key command, each command will generate its own key.

internal/clis/hmpki/generate_key.go

@@ -1,54 +0,0 @@
-package hmpki
-
-import (
-	"crypto/ecdsa"
-	"crypto/elliptic"
-	"crypto/rand"
-	"crypto/x509"
-	"encoding/pem"
-	"os"
-
-	"git.handmadecities.com/HMC/shhh/pkg/pki"
-	"github.com/spf13/cobra"
-)
-
-func init() {
-	generateCmd.AddCommand(generateKeyCmd)
-}
-
-var generateKeyCmd = &cobra.Command{
-	Use:   "key",
-	Short: "Generate a private key and save it to a file",
-	RunE: func(cmd *cobra.Command, args []string) error {
-		priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
-		if err != nil {
-			return err
-		}
-
-		der, err := x509.MarshalPKCS8PrivateKey(priv)
-		if err != nil {
-			return err
-		}
-
-		pemBytes := pem.EncodeToMemory(&pem.Block{
-			Type:  pki.PEMTypePrivateKey,
-			Bytes: der,
-		})
-
-		kf, err := os.OpenFile(
-			Output,
-			// Write only, and fail if it alreay exists.
-			os.O_WRONLY|os.O_CREATE|os.O_EXCL,
-			pki.PrivateKeyFilePerms,
-		)
-		if err != nil {
-			return err
-		}
-		defer kf.Close()
-		if _, err = kf.Write(pemBytes); err != nil {
-			return err
-		}
-
-		return nil
-	},
-}