Encryption: Start move to data keys

pkg/models/data_key.go

@@ -0,0 +1,19 @@
+package models
+
+import (
+	"errors"
+	"time"
+)
+
+var (
+	ErrDataKeyNotFound = errors.New("data key not found")
+)
+
+type DataKey struct {
+	Active        bool      `json:"active"`
+	Name          string    `json:"name"`
+	Provider      string    `json:"provider"`
+	EncryptedData []byte    `json:"-"`
+	Created       time.Time `json:"created"`
+	Updated       time.Time `json:"updated"`
+}