Initial commit: AetherForge Linux (forge-mesh) v0.1.0-dev

internal/forge/keys.go

@@ -0,0 +1,19 @@
+package forge
+
+import (
+	"crypto/ed25519"
+	"encoding/hex"
+	"fmt"
+)
+
+// ParsePublicKeyHex decodes a hex-encoded ed25519 public key.
+func ParsePublicKeyHex(hexKey string) (ed25519.PublicKey, error) {
+	raw, err := hex.DecodeString(hexKey)
+	if err != nil {
+		return nil, fmt.Errorf("decode pubkey: %w", err)
+	}
+	if len(raw) != ed25519.PublicKeySize {
+		return nil, fmt.Errorf("invalid pubkey size %d", len(raw))
+	}
+	return ed25519.PublicKey(raw), nil
+}