com.obs.services.crypto

类 CtrRSACipherGenerator

java.lang.Object

com.obs.services.crypto.CTRCipherGenerator

com.obs.services.crypto.CtrRSACipherGenerator

public class CtrRSACipherGenerator
extends CTRCipherGenerator

字段概要

字段

限定符和类型	字段和说明
protected static String	CIPHER_RSA_ALGORITHM
static String	ENCRYPTED_AES_KEY_META_NAME
static String	ENCRYPTED_ALGORITHM
protected static String	KEY_FACTORY_RSA_ALGORITHM
static int	MIN_RSA_KEY_LENGTH

从类继承的字段 com.obs.services.crypto.CTRCipherGenerator

AES_ALGORITHM, CRYPTO_IV_BYTES_LEN, CRYPTO_KEY_BYTES_LEN, ENCRYPTED_ALGORITHM_META_NAME, ENCRYPTED_SHA_256_META_NAME, ENCRYPTED_START_META_NAME, MASTER_KEY_INFO_META_NAME, PLAINTEXT_CONTENT_LENGTH_META_NAME, PLAINTEXT_SHA_256_META_NAME

构造器概要

构造器

构造器和说明
CtrRSACipherGenerator(String masterKeyInfo, boolean needSha256, SecureRandom secureRandom, PrivateKey privateKey, PublicKey publicKey)

方法概要

限定符和类型	方法和说明
static void	checkKeyLength(Key key)
static Cipher	getRsaCipher()
static String	getRsaCipherProvider()
static PrivateKey	importPKCS8PrivateKey(String filePath)
static PublicKey	importPublicKey(String filename)
byte[]	RSADecrypted(byte[] cipherInfo)
byte[]	RSAEncrypted(byte[] plaintext)
void	setPrivateKey(PrivateKey privateKey)
void	setPublicKey(PublicKey publicKey)
static void	setRsaCipherProvider(String rsaCipherProvider)

从类继承的方法 com.obs.services.crypto.CTRCipherGenerator

computeSHA256HashAES, getAES256DecryptedStream, getAES256EncryptedStream, getAesCipher, getAesCipherProvider, getAESEncryptedBytes, getBase64Info, getBytesFromBase64, getCryptoIvBytes, getCryptoKeyBytes, getFileSha256Bytes, getMasterKeyInfo, getRandomBytes, getRandomCryptoIvBytes, getRandomCryptoKeyBytes, getSecureRandom, getSha256BufferLen, isNeedSha256, setAesCipherProvider, setBase64AES256Iv, setBase64AES256Key, setCryptoIvBytes, setCryptoKeyBytes, setMasterKeyInfo, setNeedSha256, setSecureRandom, setSha256BufferLen

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_AES_KEY_META_NAME

public static final String ENCRYPTED_AES_KEY_META_NAME

另请参阅:

常量字段值

CIPHER_RSA_ALGORITHM

protected static final String CIPHER_RSA_ALGORITHM

另请参阅:

常量字段值

KEY_FACTORY_RSA_ALGORITHM

protected static final String KEY_FACTORY_RSA_ALGORITHM

另请参阅:

常量字段值

ENCRYPTED_ALGORITHM

public static final String ENCRYPTED_ALGORITHM

另请参阅:

常量字段值

MIN_RSA_KEY_LENGTH

public static final int MIN_RSA_KEY_LENGTH

另请参阅:

常量字段值

构造器详细资料

CtrRSACipherGenerator

public CtrRSACipherGenerator(String masterKeyInfo,
                             boolean needSha256,
                             SecureRandom secureRandom,
                             PrivateKey privateKey,
                             PublicKey publicKey)
                      throws NoSuchAlgorithmException,
                             InvalidKeySpecException,
                             ObsException

抛出:

NoSuchAlgorithmException

InvalidKeySpecException

ObsException

方法详细资料

checkKeyLength

public static void checkKeyLength(Key key)
                           throws ObsException

抛出:

ObsException

importPKCS8PrivateKey

public static PrivateKey importPKCS8PrivateKey(String filePath)
                                        throws IOException,
                                               NoSuchAlgorithmException,
                                               InvalidKeySpecException

抛出:

IOException

NoSuchAlgorithmException

InvalidKeySpecException

importPublicKey

public static PublicKey importPublicKey(String filename)
                                 throws IOException,
                                        NoSuchAlgorithmException,
                                        InvalidKeySpecException

抛出:

IOException

NoSuchAlgorithmException

InvalidKeySpecException

RSAEncrypted

public byte[] RSAEncrypted(byte[] plaintext)
                    throws NoSuchPaddingException,
                           NoSuchAlgorithmException,
                           InvalidKeyException,
                           IllegalBlockSizeException,
                           BadPaddingException,
                           NoSuchProviderException

抛出:

NoSuchPaddingException

NoSuchAlgorithmException

InvalidKeyException

IllegalBlockSizeException

BadPaddingException

NoSuchProviderException

RSADecrypted

public byte[] RSADecrypted(byte[] cipherInfo)
                    throws NoSuchPaddingException,
                           NoSuchAlgorithmException,
                           InvalidKeyException,
                           IllegalBlockSizeException,
                           BadPaddingException,
                           NoSuchProviderException

抛出:

NoSuchPaddingException

NoSuchAlgorithmException

InvalidKeyException

IllegalBlockSizeException

BadPaddingException

NoSuchProviderException

getRsaCipher

public static Cipher getRsaCipher()
                           throws NoSuchPaddingException,
                                  NoSuchAlgorithmException,
                                  NoSuchProviderException

抛出:

NoSuchPaddingException

NoSuchAlgorithmException

NoSuchProviderException

setPrivateKey

public void setPrivateKey(PrivateKey privateKey)

setPublicKey

public void setPublicKey(PublicKey publicKey)

getRsaCipherProvider

public static String getRsaCipherProvider()

setRsaCipherProvider

public static void setRsaCipherProvider(String rsaCipherProvider)