timer := time.NewTicker(10 * time.Second)
			defer timer.Stop()
			defaultKey := env.Get(EnvKESDefaultKey, "")
			for {
				select {
				case <-ctx.Done():
					return
				case <-timer.C:
					client.DescribeKey(ctx, defaultKey)
				}
			}
		}()

		return &KMS{
			Type:       MinKES,
			DefaultKey: env.Get(EnvKESDefaultKey, ""),
			conn: &kesConn{
				defaultKeyID: env.Get(EnvKESDefaultKey, ""),