feat(kms): sign & verify data

backend/src/db/migrations/20250402000941_add-type-to-kms-keys.ts

@@ -0,0 +1,19 @@
+import { Knex } from "knex";
+
+import { KmsKeyIntent } from "@app/services/kms/kms-types";
+
+import { TableName } from "../schemas";
+
+export async function up(knex: Knex): Promise<void> {
+  const hasTypeColumn = await knex.schema.hasColumn(TableName.KmsKey, "type");
+
+  await knex.schema.alterTable(TableName.KmsKey, (t) => {
+    if (!hasTypeColumn) t.string("type").notNullable().defaultTo(KmsKeyIntent.ENCRYPT_DECRYPT);
+  });
+}
+
+export async function down(knex: Knex): Promise<void> {
+  await knex.schema.alterTable(TableName.KmsKey, (t) => {
+    t.dropColumn("type");
+  });
+}