/
crypto.go
76 lines (59 loc) · 1.39 KB
/
crypto.go
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package main
import (
"crypto/rand"
"crypto/rsa"
"crypto/x509"
"encoding/gob"
"encoding/pem"
"fmt"
"os"
)
//TODO Load from config?
const PUB_KEY_PATH = "assets/pubKey.key"
const PVT_KEY_PATH = "assets/pvtKey.key"
const PVT_PEM_PATH = "assets/pvtKey.pem"
func generateKeyPair() (genResult bool) {
// Generate private key
privatekey, err := rsa.GenerateKey(rand.Reader, 1024) // Maybe increase size?
if err != nil {
fmt.Println(err.Error)
os.Exit(1)
}
var publickey *rsa.PublicKey
publickey = &privatekey.PublicKey
// Save private and public key
privatekeyfile, err := os.Create(PVT_KEY_PATH)
if err != nil {
fmt.Println(err)
genResult = false
}
privatekeyencoder := gob.NewEncoder(privatekeyfile)
privatekeyencoder.Encode(privatekey)
privatekeyfile.Close()
publickeyfile, err := os.Create(PUB_KEY_PATH)
if err != nil {
fmt.Println(err)
genResult = false
}
publickeyencoder := gob.NewEncoder(publickeyfile)
publickeyencoder.Encode(publickey)
publickeyfile.Close()
// Save PEM file
pemfile, err := os.Create(PVT_PEM_PATH)
if err != nil {
fmt.Println(err)
genResult = false
}
// http://golang.org/pkg/encoding/pem/#Block
var pemkey = &pem.Block{
Type: "RSA PRIVATE KEY",
Bytes: x509.MarshalPKCS1PrivateKey(privatekey)}
err = pem.Encode(pemfile, pemkey)
if err != nil {
fmt.Println(err)
genResult = false
}
pemfile.Close()
genResult = true
return
}