pkcs1.go

package encoding

import (
	"crypto/rsa"
	"crypto/x509"
	"encoding/pem"
	"errors"
)

func ParsePKCS1PrivateKey(data []byte) (key *rsa.PrivateKey, err error) {
	var block *pem.Block
	block, _ = pem.Decode(data)
	if block == nil {
		return nil, errors.New("private key error")
	}

	key, err = x509.ParsePKCS1PrivateKey(block.Bytes)
	if err != nil {
		return nil, err
	}

	return key, err
}

func ParsePKCS1PublicKey(data []byte) (key *rsa.PublicKey, err error) {
	var block *pem.Block
	block, _ = pem.Decode(data)
	if block == nil {
		return nil, errors.New("public key error")
	}

	var pubInterface interface{}
	pubInterface, err = x509.ParsePKIXPublicKey(block.Bytes)
	if err != nil {
		return nil, err
	}
	key, ok := pubInterface.(*rsa.PublicKey)
	if !ok {
		return nil, errors.New("public key error")
	}

	return key, err
}