route/lib/routecrypto/rsa.go

30 lines
661 B
Go

package routecrypto
import (
"crypto/rsa"
"crypto/x509"
"encoding/pem"
)
// RSAPrivateKeyToPem takes an RSA private key and formats it in PEM-encoded bytes.
func RSAPrivateKeyToPem(k *rsa.PrivateKey) []byte {
pemblock := &pem.Block{
Type: "RSA PRIVATE KEY",
Bytes: x509.MarshalPKCS1PrivateKey(k),
}
return pem.EncodeToMemory(pemblock)
}
// PemToRSAPrivateKey takes a PEM-encoded rsa private key and returns it.
func PemToRSAPrivateKey(data []byte) (*rsa.PrivateKey, error) {
var block *pem.Block
block, _ = pem.Decode([]byte(data))
pKey, err := x509.ParsePKCS1PrivateKey(block.Bytes)
if err != nil {
return nil, err
}
return pKey, nil
}