media-cloud-sync / includes / sdk / s3 / Aws / Crypto / MaterialsProviderInterface.php

MaterialsProviderInterface.php in Media Cloud Sync 1.4.1, at includes/sdk/s3/Aws/Crypto/MaterialsProviderInterface.php

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1	<?php
2
3	namespace Dudlewebs\WPMCS\s3\Aws\Crypto;
4
5	interface MaterialsProviderInterface
6	{
7	/**
8	* Returns if the requested size is supported by AES.
9	*
10	* @param int $keySize Size of the requested key in bits.
11	*
12	* @return bool
13	*/
14	public static function isSupportedKeySize($keySize);
15	/**
16	* Performs further initialization of the MaterialsProvider based on the
17	* data inside the MetadataEnvelope.
18	*
19	* @param MetadataEnvelope $envelope A storage envelope for encryption
20	* metadata to be read from.
21	*
22	* @internal
23	*/
24	public function fromDecryptionEnvelope(MetadataEnvelope $envelope);
25	/**
26	* Returns the wrap algorithm name for this Provider.
27	*
28	* @return string
29	*/
30	public function getWrapAlgorithmName();
31	/**
32	* Takes an encrypted content encryption key (CEK) and material description
33	* for use decrypting the key according to the Provider's specifications.
34	*
35	* @param string $encryptedCek Encrypted key to be decrypted by the Provider
36	* for use decrypting other data.
37	* @param string $materialDescription Material Description for use in
38	* encrypting the $cek.
39	*
40	* @return string
41	*/
42	public function decryptCek($encryptedCek, $materialDescription);
43	/**
44	* @param string $keySize Length of a cipher key in bits for generating a
45	* random content encryption key (CEK).
46	*
47	* @return string
48	*/
49	public function generateCek($keySize);
50	/**
51	* @param string $openSslName Cipher OpenSSL name to use for generating
52	* an initialization vector.
53	*
54	* @return string
55	*/
56	public function generateIv($openSslName);
57	}
58