keypair err mgt + shorturl random improve

asymcrypt.go

@@ -2,6 +2,7 @@ package meowlib
 
 import (
 	"encoding/base64"
+	"fmt"
 	"time"
 
 	"github.com/ProtonMail/gopenpgp/v2/crypto"
@@ -18,24 +19,24 @@ type KeyPair struct {
 
 type KeysArray []KeyPair
 
-func NewKeyPair() KeyPair {
+func NewKeyPair() (*KeyPair, error) { // Return error!
 	var kp KeyPair
 	keys, err := crypto.GenerateKey("name", "mail", "x25519", 0)
 	if err != nil {
-		log.Error().Msg("Key generation failed")
+		return nil, fmt.Errorf("key generation failed: %w", err)
 	}
-	kp.Generated = time.Now()
 	pub, err := keys.GetArmoredPublicKey()
 	if err != nil {
-		log.Error().Msg("Public key extraction failed")
+		return nil, fmt.Errorf("failed to get public key: %w", err)
 	}
-	kp.Public = base64.StdEncoding.EncodeToString([]byte(pub))
 	priv, err := keys.Armor()
 	if err != nil {
-		log.Error().Msg("Private key extraction failed")
+		return nil, fmt.Errorf("failed to armor private key: %w", err)
 	}
+	kp.Public = base64.StdEncoding.EncodeToString([]byte(pub))
 	kp.Private = base64.StdEncoding.EncodeToString([]byte(priv))
-	return kp
+	kp.Generated = time.Now()
+	return &kp, nil
 }
 
 func (Kp *KeyPair) GetCryptoKeyObject() *crypto.Key {