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Interfaces Related to Server-Side Encryption

This section lists the interfaces related to server-side encryption and describes transfer protocols and authentication applicable to the interfaces.

The following tables describe transfer protocols and authentication applicable to the interfaces related to server-side encryption.

Table 1 Transfer protocols and authentication applicable to SSE-C-related interfaces

Interface

Transfer Protocol

PUT Object

HTTPS

POST Object

HTTPS

Initiate Multipart Upload

HTTPS

GET Object Metadata

HTTPS

GET Object

HTTPS

Upload Part

HTTPS

Complete Multipart Upload

HTTP or HTTPS

Table 2 Transfer protocols and authentication applicable to SSE-KMS-related interfaces

Interface

Transfer Protocol

PUT Object

HTTPS

POST Object

HTTPS

Initiate Multipart Upload

HTTPS

GET Object Metadata

HTTP or HTTPS

GET Object

HTTPS

Upload Part

HTTPS

Complete Multipart Upload

HTTP or HTTPS

Table 3 Transfer protocols and authentication applicable to PUT Object - Copy interfaces

Source Object

Target Object

Transfer Protocol

Non-encrypted object

Object encrypted using SSE-KMS

HTTPS

Object encrypted using SSE-KMS

Object encrypted using SSE-KMS

HTTPS

Object encrypted using SSE-C

Object encrypted using SSE-KMS

HTTPS

Non-encrypted object

Object encrypted using SSE-C

HTTPS

Object encrypted using SSE-KMS

Object encrypted using SSE-C

HTTPS

Object encrypted using SSE-C

Object encrypted using SSE-C

HTTPS

Non-encrypted object

Non-encrypted object

HTTP or HTTPS

Object encrypted using SSE-KMS

Non-encrypted object

HTTP or HTTPS

Object encrypted using SSE-C

Non-encrypted object

HTTP or HTTPS

Table 4 Transfer protocols and authentication applicable to Upload Part - Copy interfaces

Source Object

Target Part

Transfer Protocol

Non-encrypted object

Part encrypted using SSE-KMS

HTTP or HTTPS

Object encrypted using SSE-KMS

Part encrypted using SSE-KMS

HTTP or HTTPS

Object encrypted using SSE-C

Part encrypted using SSE-KMS

HTTP or HTTPS

Non-encrypted object

Part encrypted using SSE-C

HTTPS

Object encrypted using SSE-KMS

Part encrypted using SSE-C

HTTPS

Object encrypted using SSE-C

Part encrypted using SSE-C

HTTPS

Non-encrypted object

Non-encrypted part

HTTP or HTTPS

Object encrypted using SSE-KMS

Non-encrypted part

HTTP or HTTPS

Object encrypted using SSE-C

Non-encrypted part

HTTP or HTTPS

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