errKMSDefaultKeyAlreadyConfigured = errors.New("A default encryption already exists on KMS")
	// Additional MinIO errors for SSE-C requests.
	errObjectTampered = errors.New("The requested object was modified and may be compromised")
	// error returned when invalid encryption parameters are specified
	errInvalidEncryptionParameters     = errors.New("The encryption parameters are not applicable to this object")

			t.Errorf("Test %d: Decryption returned wrong error code: got %d , want %d", i, err, test.expErr)
		} else if _, enc := crypto.IsEncrypted(test.info.UserDefined); encrypted && enc != encrypted {
			t.Errorf("Test %d: Decryption thinks object is encrypted but it is not", i)
		} else if !encrypted && enc != encrypted {
			t.Errorf("Test %d: Decryption thinks object is not encrypted but it is", i)
		}
	}
}

	"github.com/minio/sio"
)

const (
	// SealAlgorithm is the encryption/sealing algorithm used to derive & seal
	// the key-encryption-key and to en/decrypt the object data.
	SealAlgorithm = "DAREv2-HMAC-SHA256"

	// InsecureSealAlgorithm is the legacy encryption/sealing algorithm used
	// to derive & seal the key-encryption-key and to en/decrypt the object data.

var validSSEReplicationHeaders = map[string]string{
	"X-Minio-Internal-Server-Side-Encryption-Sealed-Key":     "X-Minio-Replication-Server-Side-Encryption-Sealed-Key",
	"X-Minio-Internal-Server-Side-Encryption-Seal-Algorithm": "X-Minio-Replication-Server-Side-Encryption-Seal-Algorithm",
	"X-Minio-Internal-Server-Side-Encryption-Iv":             "X-Minio-Replication-Server-Side-Encryption-Iv",

			}
		case "Prefix":
			z.Prefix, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "Prefix")
				return
			}
		case "Encryption":
			err = z.Encryption.DecodeMsg(dc)
			if err != nil {
				err = msgp.WrapError(err, "Encryption")
				return
			}
		default:
			err = dc.Skip()
			if err != nil {
				err = msgp.WrapError(err)
				return
			}
		}
	}
	return

}

// get ObjectOptions for Copy calls with encryption headers provided on the target side and source side metadata
func copyDstOpts(ctx context.Context, r *http.Request, bucket, object string, metadata map[string]string) (opts ObjectOptions, err error) {
	return putOptsFromReq(ctx, r, bucket, object, metadata)
}

// get ObjectOptions for Copy calls with encryption headers provided on the source side

  * {{{https://maven.apache.org/guides/mini/guide-deployment-security-settings.html} Security and Deployment Settings}},

  * {{{https://maven.apache.org/guides/mini/guide-encryption-4.html} Password Encryption}},

				continue
			}
			if _, ok := object.UserMetadata["X-Amz-Server-Side-Encryption-Customer-Algorithm"]; ok {
				log.Println("SKIPPED: Objects encrypted with SSE-C do not have md5sum as ETag:", objFullPath(object))
				continue
			}
			if v, ok := object.UserMetadata["X-Amz-Server-Side-Encryption"]; ok && v == "aws:kms" {

 tools:

   * <<<{{{./apidocs/org/apache/maven/api/cli/mvn/package-summary.html}mvn}}>>>, the Maven build tool,

   * <<<{{{./apidocs/org/apache/maven/api/cli/mvnenc/package-summary.html}mvnenc}}>>>, the Maven Password Encryption tool,

   * <<<{{{./apidocs/org/apache/maven/api/cli/mvnsh/package-summary.html}mvnsh}}>>>, the Maven Shell tool,

   * <<<{{{./apidocs/org/apache/maven/api/cli/mvnup/package-summary.html}mvnup}}>>>, the Maven Upgrade tool.

// while reading the object from another source.
// Notice: The S3 client can send secret keys in headers for encryption related jobs,
// the handler should ensure to remove these keys before sending them to the object layer.
// Currently these keys are:
//   - X-Amz-Server-Side-Encryption-Customer-Key
//   - X-Amz-Copy-Source-Server-Side-Encryption-Customer-Key
func (api objectAPIHandlers) CopyObjectHandler(w http.ResponseWriter, r *http.Request) {