Protected
Metadata pertaining to this request.
Optional
BucketIndicates whether the uploaded object uses an S3 Bucket Key for server-side encryption with Amazon Web Services KMS (SSE-KMS).
Optional
ChecksumCRC32The base64-encoded, 32-bit CRC32 checksum of the object. This will only be present if it was uploaded with the object. With multipart uploads, this may not be a checksum value of the object. For more information about how checksums are calculated with multipart uploads, see Checking object integrity in the Amazon S3 User Guide.
Optional
ChecksumCRC32CThe base64-encoded, 32-bit CRC32C checksum of the object. This will only be present if it was uploaded with the object. With multipart uploads, this may not be a checksum value of the object. For more information about how checksums are calculated with multipart uploads, see Checking object integrity in the Amazon S3 User Guide.
Optional
ChecksumSHA1The base64-encoded, 160-bit SHA-1 digest of the object. This will only be present if it was uploaded with the object. With multipart uploads, this may not be a checksum value of the object. For more information about how checksums are calculated with multipart uploads, see Checking object integrity in the Amazon S3 User Guide.
Optional
ChecksumSHA256The base64-encoded, 256-bit SHA-256 digest of the object. This will only be present if it was uploaded with the object. With multipart uploads, this may not be a checksum value of the object. For more information about how checksums are calculated with multipart uploads, see Checking object integrity in the Amazon S3 User Guide.
Optional
ETagEntity tag for the uploaded object.
Optional
ExpirationIf the expiration is configured for the object (see PutBucketLifecycleConfiguration), the response includes this header. It
includes the expiry-date
and rule-id
key-value pairs that provide
information about object expiration. The value of the rule-id
is
URL-encoded.
Optional
RequestIf present, indicates that the requester was successfully charged for the request.
Optional
SSECustomerIf server-side encryption with a customer-provided encryption key was requested, the response will include this header confirming the encryption algorithm used.
Optional
SSECustomerIf server-side encryption with a customer-provided encryption key was requested, the response will include this header to provide round-trip message integrity verification of the customer-provided encryption key.
Optional
SSEKMSEncryptionIf present, specifies the Amazon Web Services KMS Encryption Context to use for object encryption. The value of this header is a base64-encoded UTF-8 string holding JSON with the encryption context key-value pairs.
Optional
SSEKMSKeyIf x-amz-server-side-encryption
is present and has the value of
aws:kms
, this header specifies the ID of the Amazon Web Services Key Management Service
(Amazon Web Services KMS) symmetric customer managed key that was used for the
object.
Optional
ServerIf you specified server-side encryption either with an Amazon Web Services KMS key or Amazon S3-managed encryption key in your PUT request, the response includes this header. It confirms the encryption algorithm that Amazon S3 used to encrypt the object.
Optional
VersionVersion of the object.
The output of PutObjectCommand.