यहां कोड स्निपेट है जो सार्वजनिक और निजी दोनों कुंजीों के आयात और निर्यात को दिखाता है। यह उन अन्य उत्तरों पर आधारित है जो सुपर सहायक थे, साथ ही आधिकारिक दस्तावेज़ों से कॉपी-पास्ता भी थे।
package main
import (
"crypto/rand"
"crypto/rsa"
"crypto/x509"
"encoding/pem"
"errors"
"fmt"
)
func GenerateRsaKeyPair() (*rsa.PrivateKey, *rsa.PublicKey) {
privkey, _ := rsa.GenerateKey(rand.Reader, 4096)
return privkey, &privkey.PublicKey
}
func ExportRsaPrivateKeyAsPemStr(privkey *rsa.PrivateKey) string {
privkey_bytes := x509.MarshalPKCS1PrivateKey(privkey)
privkey_pem := pem.EncodeToMemory(
&pem.Block{
Type: "RSA PRIVATE KEY",
Bytes: privkey_bytes,
},
)
return string(privkey_pem)
}
func ParseRsaPrivateKeyFromPemStr(privPEM string) (*rsa.PrivateKey, error) {
block, _ := pem.Decode([]byte(privPEM))
if block == nil {
return nil, errors.New("failed to parse PEM block containing the key")
}
priv, err := x509.ParsePKCS1PrivateKey(block.Bytes)
if err != nil {
return nil, err
}
return priv, nil
}
func ExportRsaPublicKeyAsPemStr(pubkey *rsa.PublicKey) (string, error) {
pubkey_bytes, err := x509.MarshalPKIXPublicKey(pubkey)
if err != nil {
return "", err
}
pubkey_pem := pem.EncodeToMemory(
&pem.Block{
Type: "RSA PUBLIC KEY",
Bytes: pubkey_bytes,
},
)
return string(pubkey_pem), nil
}
func ParseRsaPublicKeyFromPemStr(pubPEM string) (*rsa.PublicKey, error) {
block, _ := pem.Decode([]byte(pubPEM))
if block == nil {
return nil, errors.New("failed to parse PEM block containing the key")
}
pub, err := x509.ParsePKIXPublicKey(block.Bytes)
if err != nil {
return nil, err
}
switch pub := pub.(type) {
case *rsa.PublicKey:
return pub, nil
default:
break // fall through
}
return nil, errors.New("Key type is not RSA")
}
func main() {
// Create the keys
priv, pub := GenerateRsaKeyPair()
// Export the keys to pem string
priv_pem := ExportRsaPrivateKeyAsPemStr(priv)
pub_pem, _ := ExportRsaPublicKeyAsPemStr(pub)
// Import the keys from pem string
priv_parsed, _ := ParseRsaPrivateKeyFromPemStr(priv_pem)
pub_parsed, _ := ParseRsaPublicKeyFromPemStr(pub_pem)
// Export the newly imported keys
priv_parsed_pem := ExportRsaPrivateKeyAsPemStr(priv_parsed)
pub_parsed_pem, _ := ExportRsaPublicKeyAsPemStr(pub_parsed)
fmt.Println(priv_parsed_pem)
fmt.Println(pub_parsed_pem)
// Check that the exported/imported keys match the original keys
if priv_pem != priv_parsed_pem || pub_pem != pub_parsed_pem {
fmt.Println("Failure: Export and Import did not result in same Keys")
} else {
fmt.Println("Success")
}
}
स्रोत
2017-06-22 01:07:15
और सार्वजनिक हिस्सा? –