go-libp2p-core/crypto/openssl_common.go
web3-bot 8a10694282
sync: update CI config files (#209)
* bump go.mod to Go 1.16 and run go fix

* run go mod tidy

* run gofmt -s

* update .github/workflows/automerge.yml

* update .github/workflows/go-test.yml

* update .github/workflows/go-check.yml

Co-authored-by: web3-bot <web3-bot@users.noreply.github.com>
2021-08-22 08:55:33 -07:00

105 lines
2.2 KiB
Go

//go:build openssl
// +build openssl
package crypto
import (
"sync"
pb "github.com/libp2p/go-libp2p-core/crypto/pb"
"github.com/libp2p/go-openssl"
)
// define these as separate types so we can add more key types later and reuse
// code.
type opensslPublicKey struct {
key openssl.PublicKey
cacheLk sync.Mutex
cached []byte
}
type opensslPrivateKey struct {
key openssl.PrivateKey
}
func unmarshalOpensslPrivateKey(b []byte) (opensslPrivateKey, error) {
sk, err := openssl.LoadPrivateKeyFromDER(b)
if err != nil {
return opensslPrivateKey{}, err
}
return opensslPrivateKey{sk}, nil
}
func unmarshalOpensslPublicKey(b []byte) (opensslPublicKey, error) {
sk, err := openssl.LoadPublicKeyFromDER(b)
if err != nil {
return opensslPublicKey{}, err
}
return opensslPublicKey{key: sk, cached: b}, nil
}
// Verify compares a signature against input data
func (pk *opensslPublicKey) Verify(data, sig []byte) (bool, error) {
err := pk.key.VerifyPKCS1v15(openssl.SHA256_Method, data, sig)
return err == nil, err
}
func (pk *opensslPublicKey) Type() pb.KeyType {
switch pk.key.KeyType() {
case openssl.KeyTypeRSA:
return pb.KeyType_RSA
default:
return -1
}
}
func (pk *opensslPublicKey) Raw() ([]byte, error) {
return pk.key.MarshalPKIXPublicKeyDER()
}
// Equals checks whether this key is equal to another
func (pk *opensslPublicKey) Equals(k Key) bool {
k0, ok := k.(*RsaPublicKey)
if !ok {
return basicEquals(pk, k)
}
return pk.key.Equal(k0.opensslPublicKey.key)
}
// Sign returns a signature of the input data
func (sk *opensslPrivateKey) Sign(message []byte) ([]byte, error) {
return sk.key.SignPKCS1v15(openssl.SHA256_Method, message)
}
// GetPublic returns a public key
func (sk *opensslPrivateKey) GetPublic() PubKey {
return &opensslPublicKey{key: sk.key}
}
func (sk *opensslPrivateKey) Type() pb.KeyType {
switch sk.key.KeyType() {
case openssl.KeyTypeRSA:
return pb.KeyType_RSA
default:
return -1
}
}
func (sk *opensslPrivateKey) Raw() ([]byte, error) {
return sk.key.MarshalPKCS1PrivateKeyDER()
}
// Equals checks whether this key is equal to another
func (sk *opensslPrivateKey) Equals(k Key) bool {
k0, ok := k.(*RsaPrivateKey)
if !ok {
return basicEquals(sk, k)
}
return sk.key.Equal(k0.opensslPrivateKey.key)
}