程序包 cn.warpin.thirdPart.huawei.obs.obs.services.crypto

类 CTRCipherGenerator

java.lang.Object

cn.warpin.thirdPart.huawei.obs.obs.services.crypto.CTRCipherGenerator

直接已知子类:

CtrRSACipherGenerator

public class CTRCipherGenerator
extends Object

嵌套类概要

嵌套类

修饰符和类型	类	说明
(专用程序包) class	CTRCipherGenerator.SHA256Info

字段概要

字段

修饰符和类型	字段	说明
protected static final String	AES_ALGORITHM
static final int	CRYPTO_IV_BYTES_LEN
static final int	CRYPTO_KEY_BYTES_LEN
private byte[]	cryptoIvBytes
private byte[]	cryptoKeyBytes
static final String	ENCRYPTED_ALGORITHM
static final String	ENCRYPTED_ALGORITHM_META_NAME
static final String	ENCRYPTED_SHA_256_META_NAME
static final String	ENCRYPTED_START_META_NAME
private static final ILogger	log
static final String	MASTER_KEY_INFO_META_NAME
private String	masterKeyInfo
private boolean	needSha256
static final String	PLAINTEXT_CONTENT_LENGTH_META_NAME
static final String	PLAINTEXT_SHA_256_META_NAME
private SecureRandom	secureRandom
(专用程序包) static int	sha256BufferLen

构造器概要

构造器

构造器	说明
CTRCipherGenerator(String masterKeyInfo, byte[] cryptoKeyBytes, boolean needSha256, SecureRandom secureRandom)
CTRCipherGenerator(String masterKeyInfo, byte[] cryptoIvBytes, byte[] cryptoKeyBytes, boolean needSha256, SecureRandom secureRandom)

方法概要

修饰符和类型	方法	说明
CTRCipherGenerator.SHA256Info	computeSHA256HashAES(InputStream plainTextStream, byte[] object_CryptoIvBytes, byte[] object_CryptoKeyBytes, boolean needPlainTextSha256)
CipherInputStream	getAES256DecryptedStream(InputStream ciphertextInput, byte[] object_CryptoIvBytes, byte[] object_CryptoKeyBytes)
CipherInputStream	getAES256EncryptedStream(InputStream plaintextInput, byte[] object_CryptoIvBytes, byte[] object_CryptoKeyBytes)
static byte[]	getAESEncryptedBytes(byte[] plainText, int plainTextOffset, int plainTextLength, byte[] aesKeyBytes, byte[] aesIvBytes)
static String	getBase64Info(byte[] cryptoInfo)
static byte[]	getBytesFromBase64(String cryptoInfo)
byte[]	getCryptoIvBytes()
byte[]	getCryptoKeyBytes()
static byte[]	getFileSha256Bytes(String filePath)
String	getMasterKeyInfo()
byte[]	getRandomBytes(int randomBytesLen)
byte[]	getRandomCryptoIvBytes()
byte[]	getRandomCryptoKeyBytes()
SecureRandom	getSecureRandom()
static int	getSha256BufferLen()
boolean	isNeedSha256()
void	setBase64AES256Iv(String cryptoIvBase64)
void	setBase64AES256Key(String cryptoKeyBase64)
void	setCryptoIvBytes(byte[] cryptoIvBytes)
void	setCryptoKeyBytes(byte[] cryptoKeyBytes)
void	setMasterKeyInfo(String masterKeyInfo)
void	setNeedSha256(boolean needSha256)
void	setSecureRandom(SecureRandom secureRandom)
static void	setSha256BufferLen(int sha256BufferLen)

从类继承的方法 java.lang.Object

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

字段详细资料

ENCRYPTED_ALGORITHM

public static final String ENCRYPTED_ALGORITHM

另请参阅:

• 常量字段值

CRYPTO_KEY_BYTES_LEN

public static final int CRYPTO_KEY_BYTES_LEN

另请参阅:

• 常量字段值

CRYPTO_IV_BYTES_LEN

public static final int CRYPTO_IV_BYTES_LEN

另请参阅:

• 常量字段值

masterKeyInfo

private String masterKeyInfo

cryptoIvBytes

private byte[] cryptoIvBytes

cryptoKeyBytes

private byte[] cryptoKeyBytes

needSha256

private boolean needSha256

secureRandom

private SecureRandom secureRandom

AES_ALGORITHM

protected static final String AES_ALGORITHM

另请参阅:

• 常量字段值

sha256BufferLen

static int sha256BufferLen

ENCRYPTED_ALGORITHM_META_NAME

public static final String ENCRYPTED_ALGORITHM_META_NAME

另请参阅:

• 常量字段值

ENCRYPTED_START_META_NAME

public static final String ENCRYPTED_START_META_NAME

另请参阅:

• 常量字段值

MASTER_KEY_INFO_META_NAME

public static final String MASTER_KEY_INFO_META_NAME

另请参阅:

• 常量字段值

PLAINTEXT_SHA_256_META_NAME

public static final String PLAINTEXT_SHA_256_META_NAME

另请参阅:

• 常量字段值

PLAINTEXT_CONTENT_LENGTH_META_NAME

public static final String PLAINTEXT_CONTENT_LENGTH_META_NAME

另请参阅:

• 常量字段值

ENCRYPTED_SHA_256_META_NAME

public static final String ENCRYPTED_SHA_256_META_NAME

另请参阅:

• 常量字段值

log

private static final ILogger log

构造器详细资料

CTRCipherGenerator

public CTRCipherGenerator(String masterKeyInfo,
 byte[] cryptoIvBytes,
 byte[] cryptoKeyBytes,
 boolean needSha256,
 SecureRandom secureRandom)

CTRCipherGenerator

public CTRCipherGenerator(String masterKeyInfo,
 byte[] cryptoKeyBytes,
 boolean needSha256,
 SecureRandom secureRandom)

方法详细资料

getSecureRandom

public SecureRandom getSecureRandom()

setSecureRandom

public void setSecureRandom(SecureRandom secureRandom)

getMasterKeyInfo

public String getMasterKeyInfo()

setMasterKeyInfo

public void setMasterKeyInfo(String masterKeyInfo)

getCryptoIvBytes

public byte[] getCryptoIvBytes()

getRandomCryptoIvBytes

public byte[] getRandomCryptoIvBytes()

setCryptoIvBytes

public void setCryptoIvBytes(byte[] cryptoIvBytes)

getCryptoKeyBytes

public byte[] getCryptoKeyBytes()

getRandomCryptoKeyBytes

public byte[] getRandomCryptoKeyBytes()

getRandomBytes

public byte[] getRandomBytes(int randomBytesLen)

setCryptoKeyBytes

public void setCryptoKeyBytes(byte[] cryptoKeyBytes)

isNeedSha256

public boolean isNeedSha256()

setNeedSha256

public void setNeedSha256(boolean needSha256)

getAES256DecryptedStream

public CipherInputStream getAES256DecryptedStream(InputStream ciphertextInput,
 byte[] object_CryptoIvBytes,
 byte[] object_CryptoKeyBytes)
                                           throws NoSuchPaddingException,
NoSuchAlgorithmException,
InvalidAlgorithmParameterException,
InvalidKeyException

抛出:

NoSuchPaddingException

NoSuchAlgorithmException

InvalidAlgorithmParameterException

InvalidKeyException

getAES256EncryptedStream

public CipherInputStream getAES256EncryptedStream(InputStream plaintextInput,
 byte[] object_CryptoIvBytes,
 byte[] object_CryptoKeyBytes)
                                           throws NoSuchPaddingException,
NoSuchAlgorithmException,
InvalidAlgorithmParameterException,
InvalidKeyException

抛出:

NoSuchPaddingException

NoSuchAlgorithmException

InvalidAlgorithmParameterException

InvalidKeyException

getBase64Info

public static String getBase64Info(byte[] cryptoInfo)

getBytesFromBase64

public static byte[] getBytesFromBase64(String cryptoInfo)
                                 throws UnsupportedEncodingException

抛出:

UnsupportedEncodingException

getAESEncryptedBytes

public static byte[] getAESEncryptedBytes(byte[] plainText,
 int plainTextOffset,
 int plainTextLength,
 byte[] aesKeyBytes,
 byte[] aesIvBytes)
                                   throws IllegalBlockSizeException,
BadPaddingException,
InvalidAlgorithmParameterException,
InvalidKeyException,
NoSuchPaddingException,
NoSuchAlgorithmException

抛出:

IllegalBlockSizeException

BadPaddingException

InvalidAlgorithmParameterException

InvalidKeyException

NoSuchPaddingException

NoSuchAlgorithmException

setBase64AES256Key

public void setBase64AES256Key(String cryptoKeyBase64)
                        throws UnsupportedEncodingException,
ObsException

抛出:

UnsupportedEncodingException

ObsException

setBase64AES256Iv

public void setBase64AES256Iv(String cryptoIvBase64)
                       throws UnsupportedEncodingException,
ObsException

抛出:

UnsupportedEncodingException

ObsException

getFileSha256Bytes

public static byte[] getFileSha256Bytes(String filePath)
                                 throws IOException,
NoSuchAlgorithmException

抛出:

IOException

NoSuchAlgorithmException

computeSHA256HashAES

public CTRCipherGenerator.SHA256Info computeSHA256HashAES(InputStream plainTextStream,
 byte[] object_CryptoIvBytes,
 byte[] object_CryptoKeyBytes,
 boolean needPlainTextSha256)
                                                   throws NoSuchAlgorithmException,
IOException,
ObsException

抛出:

NoSuchAlgorithmException

IOException

ObsException

getSha256BufferLen

public static int getSha256BufferLen()

setSha256BufferLen

public static void setSha256BufferLen(int sha256BufferLen)