go-libp2p-core/crypto/key_openssl.go
2019-12-06 21:58:31 -05:00

48 lines
1.1 KiB
Go

// +build openssl
package crypto
import (
"crypto"
"crypto/ecdsa"
"crypto/ed25519"
"crypto/rsa"
"crypto/x509"
btcec "github.com/btcsuite/btcd/btcec"
openssl "github.com/libp2p/go-openssl"
)
// KeyPairFromStdKey wraps standard library (and secp256k1) private keys in libp2p/go-libp2p-core/crypto keys
func KeyPairFromStdKey(priv crypto.PrivateKey) (PrivKey, PubKey, error) {
if priv == nil {
return nil, nil, ErrNilPrivateKey
}
switch p := priv.(type) {
case *rsa.PrivateKey:
pk, err := openssl.LoadPrivateKeyFromDER(x509.MarshalPKCS1PrivateKey(p))
if err != nil {
return nil, nil, err
}
return &opensslPrivateKey{pk}, &opensslPublicKey{pk}, nil
case *ecdsa.PrivateKey:
return &ECDSAPrivateKey{p}, &ECDSAPublicKey{&p.PublicKey}, nil
case *ed25519.PrivateKey:
pubIfc := p.Public()
pub, _ := pubIfc.(ed25519.PublicKey)
return &Ed25519PrivateKey{*p}, &Ed25519PublicKey{pub}, nil
case *btcec.PrivateKey:
sPriv := Secp256k1PrivateKey(*p)
sPub := Secp256k1PublicKey(*p.PubKey())
return &sPriv, &sPub, nil
default:
return nil, nil, ErrBadKeyType
}
}