StubCreatedBy = "MinIO"
)

// NewStub returns a stub of KMS for testing
func NewStub(defaultKeyName string) *KMS {
	return &KMS{
		Type:           Builtin,
		DefaultKey:     defaultKeyName,
		latencyBuckets: defaultLatencyBuckets,
		latency:        make([]atomic.Uint64, len(defaultLatencyBuckets)),
		conn: &StubKMS{
			KeyNames: []string{defaultKeyName},
		},
	}
}

// StubKMS is a KMS implementation for tests

		return nil, errors.New("kms: invalid key length " + strconv.Itoa(len(key)))
	}
	return &KMS{
		Type:       Builtin,
		DefaultKey: keyID,
		conn: secretKey{
			keyID: keyID,
			key:   key,
		},
		latencyBuckets: defaultLatencyBuckets,
		latency:        make([]atomic.Uint64, len(defaultLatencyBuckets)),
	}, nil
}

// secretKey is a KMS implementation that derives new DEKs
// from a single key.
type secretKey struct {