Class CryptoAPIEncryptor.CryptoAPICipherOutputStream
- java.lang.Object
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- java.io.OutputStream
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- java.io.FilterOutputStream
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- org.apache.poi.poifs.crypt.ChunkedCipherOutputStream
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- org.apache.poi.poifs.crypt.cryptoapi.CryptoAPIEncryptor.CryptoAPICipherOutputStream
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- All Implemented Interfaces:
java.io.Closeable
,java.io.Flushable
,java.lang.AutoCloseable
- Enclosing class:
- CryptoAPIEncryptor
protected class CryptoAPIEncryptor.CryptoAPICipherOutputStream extends ChunkedCipherOutputStream
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected void
calculateChecksum(java.io.File file, int i)
protected void
createEncryptionInfoEntry(DirectoryNode dir, java.io.File tmpFile)
void
flush()
protected javax.crypto.Cipher
initCipherForBlock(javax.crypto.Cipher cipher, int block, boolean lastChunk)
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Methods inherited from class org.apache.poi.poifs.crypt.ChunkedCipherOutputStream
close, getChunk, getChunkMask, getPlainByteFlags, getPos, getTotalPos, initCipherForBlock, invokeCipher, setNextRecordSize, write, write, write, write, writeChunk, writePlain
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Method Detail
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initCipherForBlock
protected javax.crypto.Cipher initCipherForBlock(javax.crypto.Cipher cipher, int block, boolean lastChunk) throws java.io.IOException, java.security.GeneralSecurityException
- Specified by:
initCipherForBlock
in classChunkedCipherOutputStream
- Throws:
java.io.IOException
java.security.GeneralSecurityException
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calculateChecksum
protected void calculateChecksum(java.io.File file, int i)
- Specified by:
calculateChecksum
in classChunkedCipherOutputStream
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createEncryptionInfoEntry
protected void createEncryptionInfoEntry(DirectoryNode dir, java.io.File tmpFile)
- Specified by:
createEncryptionInfoEntry
in classChunkedCipherOutputStream
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flush
public void flush() throws java.io.IOException
- Specified by:
flush
in interfacejava.io.Flushable
- Overrides:
flush
in classjava.io.FilterOutputStream
- Throws:
java.io.IOException
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