}
	ceil = numerator / denominator
	if numerator > 0 && numerator%denominator != 0 {
		ceil++
	}
	return
}

// cleanMinioInternalMetadataKeys removes X-Amz-Meta- prefix from minio internal
// encryption metadata.
func cleanMinioInternalMetadataKeys(metadata map[string]string) map[string]string {
	newMeta := make(map[string]string, len(metadata))
	for k, v := range metadata {

			m[xhttp.AmzServerSideEncryptionKmsContext] = kmsCtx
		}
	case crypto.SSEC:
		m[xhttp.AmzServerSideEncryptionCustomerAlgorithm] = xhttp.AmzEncryptionAES
	}

	var toRemove []string
	for k := range cleanMinioInternalMetadataKeys(m) {
		if stringsHasPrefixFold(k, ReservedMetadataPrefixLower) {
			// Do not need to send any internal metadata
			// values to client.
			toRemove = append(toRemove, k)
			continue
		}