Golang crypto/x509.ParseECPrivateKey() function example

package crypto/x509

ParseECPrivateKey parses an ASN.1 Elliptic Curve Private Key Structure.

Golang crypto/x509.ParseECPrivateKey() function usage example

 package main

 import (
    "crypto/x509"
    "os"
    "fmt"
    "encoding/pem"
 )

 func main() {

 var pemBytes = `-----BEGIN EC PRIVATE KEY-----
 MHcCAQEEIKGOgzn9u8RCSwwJj0sGOog6QGpDNkCuBRNsv76bRXLYoAoGCCqGSM49
 AwEHoUQDQgAEPAYLQF6I4NQ1Q0AjeHqJj7fDX/WwJ6xba5aDQ7V9pIQfq8k+JUME
 RUBF85MS+jPu5Rn+59AP9aPRSybIQsxZrg==
 -----END EC PRIVATE KEY-----`

   block, _ := pem.Decode([]byte(pemBytes))


   privatekey, err := x509.ParseECPrivateKey(block.Bytes)

   if err != nil {
      fmt.Println(err)
      os.Exit(1)
   }

   fmt.Printf("Public Key :  : %x\n\n", privatekey.PublicKey)


   fmt.Printf("Private Key D :  : %x\n\n", privatekey.D)
 }

Sample output :

Public Key : : {{c208024600} 3c060b405e88e0d435434023787a898fb7c35ff5b027ac5b6b968343b57da484 1fabc93e254304454045f39312fa33eee519fee7d00ff5a3d14b26c842cc59ae}

Private Key D : : a18e8339fdbbc4424b0c098f4b063a883a406a433640ae05136cbfbe9b4572d8

Reference :

http://golang.org/pkg/crypto/x509/#ParseECPrivateKey

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