如何将 ECDSA 公钥转换为 PEM 文件

Question

I'm using the golang ecdsa package: https://golang.org/pkg/crypto/ecdsa/

I have public key structs ( https://golang.org/pkg/crypto/ecdsa/#PublicKey ) and I'm trying to convert them to PEM files for use in other application.

Anyone know how to do this?

Answer 1

You can check this functions

https://github.com/gtank/cryptopasta/blob/master/marshal.go

That seems to be encoding using pem Specially here

Using

import (
"crypto/ecdsa"
"crypto/x509"
"encoding/base64"
"encoding/pem"
"errors"
"fmt"
)




 // EncodePrivateKey encodes an ECDSA private key to PEM format.
  func EncodePrivateKey(key *ecdsa.PrivateKey) ([]byte, error) {
     derKey, err := x509.MarshalECPrivateKey(key)
          if err != nil {
             return nil, err
      }

    keyBlock := &pem.Block{
    Type:  "EC PRIVATE KEY",
    Bytes: derKey,
}

return pem.EncodeToMemory(keyBlock), nil
}