AWS SDK for PHP 3.x
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Classes

  • AesDecryptingStream
  • AesEncryptingStream
  • AesGcmDecryptingStream
  • AesGcmEncryptingStream
  • KmsMaterialsProvider
  • KmsMaterialsProviderV2
  • MaterialsProvider
  • MaterialsProviderV2

Interfaces

  • AesStreamInterface
  • AesStreamInterfaceV2
  • MaterialsProviderInterface
  • MaterialsProviderInterfaceV2
  • MetadataStrategyInterface

Traits

  • DecryptionTrait
  • DecryptionTraitV2
  • EncryptionTrait
  • EncryptionTraitV2

Class KmsMaterialsProvider

Aws\Crypto\MaterialsProvider implements Aws\Crypto\MaterialsProviderInterface
Extended by Aws\Crypto\KmsMaterialsProvider implements Aws\Crypto\MaterialsProviderInterface
Namespace: Aws\Crypto
Deprecated
Located at Crypto/KmsMaterialsProvider.php

Uses KMS to supply materials for encrypting and decrypting data.

Legacy implementation that supports legacy S3EncryptionClient and S3EncryptionMultipartUploader, which use an older encryption workflow. Use KmsMaterialsProviderV2 with S3EncryptionClientV2 or S3EncryptionMultipartUploaderV2 if possible.

Methods Summary

  • __construct ( Aws\Kms\KmsClient $kmsClient, string $kmsKeyId = null )
  • getMaterialsDescription ( )

    The KMS key id for use in matching this Provider to its keys, consistently with other SDKs as 'kms_cmk_id'.

  • getWrapAlgorithmName ( )

    Returns the wrap algorithm name for this Provider.

  • encryptCek ( string $unencryptedCek, string $materialDescription )

    Takes a content encryption key (CEK) and description to return an encrypted key by using KMS' Encrypt API.

  • decryptCek ( string $encryptedCek, string $materialDescription )

    Takes an encrypted content encryption key (CEK) and material description for use decrypting the key by using KMS' Decrypt API.

Methods inherited from Aws\Crypto\MaterialsProvider

generateCek(), generateIv(), isSupportedKeySize()

Methods Details

__construct ( Aws\Kms\KmsClient $kmsClient, string $kmsKeyId = null )

Parameters

Aws\Kms\KmsClient $kmsClient

A KMS Client for use encrypting and decrypting keys.

string $kmsKeyId = null

The private KMS key id to be used for encrypting and decrypting keys.

array getMaterialsDescription ( )

The KMS key id for use in matching this Provider to its keys, consistently with other SDKs as 'kms_cmk_id'.

Returns

array

string getWrapAlgorithmName ( )

Returns the wrap algorithm name for this Provider.

Returns

string

Implementation of

Aws\Crypto\MaterialsProviderInterface::getWrapAlgorithmName()

string encryptCek ( string $unencryptedCek, string $materialDescription )

Takes a content encryption key (CEK) and description to return an encrypted key by using KMS' Encrypt API.

Parameters

string $unencryptedCek

Key for use in encrypting other data that itself needs to be encrypted by the Provider.

string $materialDescription

Material Description for use in encrypting the $cek.

Returns

string

string decryptCek ( string $encryptedCek, string $materialDescription )

Takes an encrypted content encryption key (CEK) and material description for use decrypting the key by using KMS' Decrypt API.

Parameters

string $encryptedCek

Encrypted key to be decrypted by the Provider for use decrypting other data.

string $materialDescription

Material Description for use in encrypting the $cek.

Returns

string

Implementation of

Aws\Crypto\MaterialsProviderInterface::decryptCek()

Constants summary

string WRAP_ALGORITHM_NAME
# 'kms'
AWS SDK for PHP 3.x API documentation generated by ApiGen