Class BinaryRC4Encryptor
java.lang.Object
org.apache.poi.poifs.crypt.Encryptor
org.apache.poi.poifs.crypt.binaryrc4.BinaryRC4Encryptor
- All Implemented Interfaces:
Cloneable
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Nested Class Summary
Nested Classes -
Field Summary
Fields inherited from class org.apache.poi.poifs.crypt.Encryptor
DEFAULT_POIFS_ENTRY -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionclone()voidconfirmPassword(String password) voidconfirmPassword(String password, byte[] keySpec, byte[] keySalt, byte[] verifier, byte[] verifierSalt, byte[] integritySalt) protected voidgetDataStream(OutputStream stream, int initialOffset) Return a output stream for encrypted data.protected intvoidsetChunkSize(int chunkSize) Sets the chunk size of the data stream.Methods inherited from class org.apache.poi.poifs.crypt.Encryptor
getDataStream, getEncryptionInfo, getInstance, getSecretKey, setEncryptionInfo, setSecretKey
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Constructor Details
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BinaryRC4Encryptor
protected BinaryRC4Encryptor()
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Method Details
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confirmPassword
- Specified by:
confirmPasswordin classEncryptor
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confirmPassword
public void confirmPassword(String password, byte[] keySpec, byte[] keySalt, byte[] verifier, byte[] verifierSalt, byte[] integritySalt) - Specified by:
confirmPasswordin classEncryptor
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getDataStream
Description copied from class:EncryptorReturn a output stream for encrypted data.- Specified by:
getDataStreamin classEncryptor- Parameters:
dir- the node to write to- Returns:
- encrypted stream
- Throws:
IOExceptionGeneralSecurityException
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getDataStream
public BinaryRC4Encryptor.BinaryRC4CipherOutputStream getDataStream(OutputStream stream, int initialOffset) throws IOException, GeneralSecurityException - Overrides:
getDataStreamin classEncryptor- Throws:
IOExceptionGeneralSecurityException
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getKeySizeInBytes
protected int getKeySizeInBytes() -
createEncryptionInfoEntry
- Throws:
IOException
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setChunkSize
public void setChunkSize(int chunkSize) Description copied from class:EncryptorSets the chunk size of the data stream. Needs to be set before the data stream is requested. When not set, the implementation uses method specific default values- Overrides:
setChunkSizein classEncryptor- Parameters:
chunkSize- the chunk size, i.e. the block size with the same encryption key
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clone
- Overrides:
clonein classEncryptor- Throws:
CloneNotSupportedException
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