initial commit

pkg/key/key.go

@@ -0,0 +1,48 @@
+// Copyright (C) 2023 Marius Schellenberger
+
+package key
+
+import (
+	"crypto/rand"
+	"encoding/hex"
+	"io"
+	"time"
+
+	"git.giftfish.de/ston1th/keyctl/pkg/core"
+)
+
+const idSize = 16
+
+func generate(size int) (buf []byte, err error) {
+	buf = make([]byte, size)
+	_, err = io.ReadFull(rand.Reader, buf)
+	return
+}
+
+func GenerateID() (string, error) {
+	id, err := generate(idSize)
+	if err != nil {
+		return "", err
+	}
+	return hex.EncodeToString(id), nil
+}
+
+func Generate(name string, size int, enc core.Encoding) (k core.Key, err error) {
+	id, err := GenerateID()
+	if err != nil {
+		return
+	}
+	key, err := generate(size)
+	if err != nil {
+		return
+	}
+	k = core.Key{
+		Name:     name,
+		ID:       id,
+		Size:     size,
+		Encoding: enc.String(),
+		Key:      enc.Encode(key),
+		Created:  time.Now().Unix(),
+	}
+	return
+}