com.qcloud.cos.internal.crypto

Class COSCryptoModuleAECbc

java.lang.Object

com.qcloud.cos.internal.crypto.COSCryptoModule

com.qcloud.cos.internal.crypto.COSCryptoModuleBase

com.qcloud.cos.internal.crypto.COSCryptoModuleAE

com.qcloud.cos.internal.crypto.COSCryptoModuleAECbc

public class COSCryptoModuleAECbc
extends COSCryptoModuleAE

Field Summary

Fields inherited from class com.qcloud.cos.internal.crypto.COSCryptoModuleBase

contentCryptoScheme, cos, cryptoConfig, cryptoScheme, DEFAULT_BUFFER_SIZE, kekMaterialsProvider, kms, log, multipartUploadContexts

Constructor Summary

Constructors

Constructor and Description
COSCryptoModuleAECbc(COSDirect cos, COSCredentialsProvider credentialsProvider, EncryptionMaterialsProvider kekMaterialsProvider, CryptoConfiguration cryptoConfig)
COSCryptoModuleAECbc(QCLOUDKMS kms, COSDirect cos, COSCredentialsProvider credentialsProvider, EncryptionMaterialsProvider kekMaterialsProvider, CryptoConfiguration cryptoConfig)

Method Summary

Modifier and Type	Method and Description
protected long	ciphertextLength(long originalContentLength) Returns the length of the ciphertext computed from the length of the plaintext.

Methods inherited from class com.qcloud.cos.internal.crypto.COSCryptoModuleAE

adjustToDesiredRange, getObjectSecurely, getObjectSecurely, isStrict

Methods inherited from class com.qcloud.cos.internal.crypto.COSCryptoModuleBase

abortMultipartUploadSecurely, completeMultipartUploadSecurely, copyPartSecurely, createContentCryptoMaterial, createInstructionPutRequest, generateCEK, getCOSCryptoScheme, initiateMultipartUploadSecurely, newMultipartCOSCipherInputStream, plaintextLength, putInstructionFileSecurely, putObjectSecurely, securityCheck, updateInstructionPutRequest, updateMetadataWithContentCryptoMaterial, uploadPartSecurely, wrapWithCipher

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

COSCryptoModuleAECbc

public COSCryptoModuleAECbc(COSDirect cos,
                            COSCredentialsProvider credentialsProvider,
                            EncryptionMaterialsProvider kekMaterialsProvider,
                            CryptoConfiguration cryptoConfig)

COSCryptoModuleAECbc

public COSCryptoModuleAECbc(QCLOUDKMS kms,
                            COSDirect cos,
                            COSCredentialsProvider credentialsProvider,
                            EncryptionMaterialsProvider kekMaterialsProvider,
                            CryptoConfiguration cryptoConfig)

Method Detail

ciphertextLength

protected long ciphertextLength(long originalContentLength)

Description copied from class: COSCryptoModuleBase

Returns the length of the ciphertext computed from the length of the plaintext.

Overrides:

ciphertextLength in class COSCryptoModuleAE

Parameters:

originalContentLength - a non-negative number

Returns:

a non-negative number