chore: move the go code into a subfolder

apps/api/internal/domain/authn_key.go

@@ -0,0 +1,65 @@
+package domain
+
+import (
+	"github.com/zitadel/logging"
+
+	"github.com/zitadel/zitadel/internal/crypto"
+	"github.com/zitadel/zitadel/internal/zerrors"
+)
+
+type authNKey interface {
+	SetPublicKey([]byte)
+	SetPrivateKey([]byte)
+	expiration
+}
+
+type AuthNKeyType int32
+
+const (
+	AuthNKeyTypeNONE AuthNKeyType = iota
+	AuthNKeyTypeJSON
+
+	keyCount
+)
+
+func (k AuthNKeyType) Valid() bool {
+	return k >= 0 && k < keyCount
+}
+
+func (key *MachineKey) GenerateNewMachineKeyPair(keySize int) error {
+	privateKey, publicKey, err := crypto.GenerateKeyPair(keySize)
+	if err != nil {
+		return err
+	}
+	key.PublicKey, err = crypto.PublicKeyToBytes(publicKey)
+	if err != nil {
+		return err
+	}
+	key.PrivateKey = crypto.PrivateKeyToBytes(privateKey)
+	return nil
+}
+
+func SetNewAuthNKeyPair(key authNKey, keySize int) error {
+	privateKey, publicKey, err := NewAuthNKeyPair(keySize)
+	if err != nil {
+		return err
+	}
+	key.SetPrivateKey(privateKey)
+	key.SetPublicKey(publicKey)
+	return nil
+}
+
+func NewAuthNKeyPair(keySize int) (privateKey, publicKey []byte, err error) {
+	private, public, err := crypto.GenerateKeyPair(keySize)
+	if err != nil {
+		logging.Log("AUTHN-Ud51I").WithError(err).Error("unable to create authn key pair")
+		return nil, nil, zerrors.ThrowInternal(err, "AUTHN-gdg2l", "Errors.Project.CouldNotGenerateClientSecret")
+	}
+	publicKey, err = crypto.PublicKeyToBytes(public)
+	if err != nil {
+		logging.Log("AUTHN-Dbb35").WithError(err).Error("unable to convert public key")
+		return nil, nil, zerrors.ThrowInternal(err, "AUTHN-Bne3f", "Errors.Project.CouldNotGenerateClientSecret")
+	}
+	privateKey = crypto.PrivateKeyToBytes(private)
+	return privateKey, publicKey, nil
+}