// InsecureSealAlgorithm is the legacy encryption/sealing algorithm used
	// to derive & seal the key-encryption-key and to en/decrypt the object data.
	// This algorithm should not be used for new objects because its key derivation
	// is not optimal. See: https://github.com/minio/minio/pull/6121
	InsecureSealAlgorithm = "DARE-SHA256"
)

// Type represents an AWS SSE type:
//   - SSE-C
//   - SSE-S3
//   - SSE-KMS
type Type interface {

	// in multiple parts - via the S3 multipart API.
	MetaMultipart = "X-Minio-Internal-Encrypted-Multipart"

	// MetaIV is the random initialization vector (IV) used for
	// the MinIO-internal key derivation.
	MetaIV = "X-Minio-Internal-Server-Side-Encryption-Iv"

	// MetaAlgorithm is the algorithm used to derive internal keys
	// and encrypt the objects.
	MetaAlgorithm = "X-Minio-Internal-Server-Side-Encryption-Seal-Algorithm"