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java.lang.Objectorg.h2.store.FileStore
org.h2.security.SecureFileStore
public class SecureFileStore
A file store that encrypts all data before writing, and decrypts all data after reading.
Field Summary |
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Fields inherited from class org.h2.store.FileStore |
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EMPTY, handler, HEADER_LENGTH, name |
Constructor Summary | |
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SecureFileStore(DataHandler handler,
java.lang.String name,
java.lang.String mode,
java.lang.String cipher,
byte[] key,
int keyIterations)
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Method Summary | |
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protected byte[] |
generateSalt()
Generate the random salt bytes if required. |
protected void |
initKey(byte[] salt)
Initialize the key using the given salt. |
boolean |
isEncrypted()
Check if the file is encrypted. |
void |
readFully(byte[] b,
int off,
int len)
Read a number of bytes. |
protected void |
readFullyDirect(byte[] b,
int off,
int len)
Read a number of bytes without decrypting. |
void |
seek(long x)
Go to the specified file location. |
void |
setLength(long newLength)
Set the length of the file. |
void |
write(byte[] b,
int off,
int len)
Write a number of bytes. |
protected void |
writeDirect(byte[] b,
int off,
int len)
Write a number of bytes without encrypting. |
Methods inherited from class org.h2.store.FileStore |
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autoDelete, close, closeAndDeleteSilently, closeFile, closeSilently, getFilePointer, init, isTextMode, length, open, open, open, openFile, setCheckedWriting, stopAutoDelete, sync |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public SecureFileStore(DataHandler handler, java.lang.String name, java.lang.String mode, java.lang.String cipher, byte[] key, int keyIterations) throws java.sql.SQLException
java.sql.SQLException
Method Detail |
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protected byte[] generateSalt()
FileStore
generateSalt
in class FileStore
protected void initKey(byte[] salt)
FileStore
initKey
in class FileStore
salt
- the saltprotected void writeDirect(byte[] b, int off, int len) throws java.sql.SQLException
FileStore
writeDirect
in class FileStore
b
- the source bufferoff
- the offsetlen
- the number of bytes to write
java.sql.SQLException
public void write(byte[] b, int off, int len) throws java.sql.SQLException
FileStore
write
in class FileStore
b
- the source bufferoff
- the offsetlen
- the number of bytes to write
java.sql.SQLException
protected void readFullyDirect(byte[] b, int off, int len) throws java.sql.SQLException
FileStore
readFullyDirect
in class FileStore
b
- the target bufferoff
- the offsetlen
- the number of bytes to read
java.sql.SQLException
public void readFully(byte[] b, int off, int len) throws java.sql.SQLException
FileStore
readFully
in class FileStore
b
- the target bufferoff
- the offsetlen
- the number of bytes to read
java.sql.SQLException
public void seek(long x) throws java.sql.SQLException
FileStore
seek
in class FileStore
x
- the location
java.sql.SQLException
public void setLength(long newLength) throws java.sql.SQLException
FileStore
setLength
in class FileStore
newLength
- the new file size
java.sql.SQLException
public boolean isEncrypted()
FileStore
isEncrypted
in class FileStore
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