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java.lang.Objectjava.io.OutputStream
java.io.FilterOutputStream
org.logi.crypto.io.HashOutputStream
This OutputStream hashes everything written to it and then passes it to an underlying OutputStream. The hash can be retrieved by calling getFingerprint().
HashInputStream
Field Summary |
Fields inherited from class java.io.FilterOutputStream |
out |
Constructor Summary | |
HashOutputStream(java.io.OutputStream out)
Creates a new HashOutputStream around out . |
|
HashOutputStream(java.io.OutputStream out,
HashState hashState)
Creates a new HashOutputStream around out . |
Method Summary | |
void |
close()
Closes this output stream and releases any system resources associated with this stream. |
void |
flush()
Flushes this output stream and forces any buffered output bytes to be written out to the stream. |
Fingerprint |
getFingerprint()
Return a fingerprint of all data written so far. |
void |
write(byte[] buf,
int off,
int len)
Writes len bytes from the specified byte array starting
at offset off to this output stream. |
void |
write(int b)
Writes the specified byte to this output stream. |
Methods inherited from class java.io.FilterOutputStream |
write |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public HashOutputStream(java.io.OutputStream out, HashState hashState)
out
. hashState
will be used to
calculate fingerprints.
public HashOutputStream(java.io.OutputStream out)
out
. A new
SHA1State object will be used to calculate fingerprints.
SHA1State
Method Detail |
public Fingerprint getFingerprint()
public void write(int b) throws java.io.IOException
java.io.IOException
public void write(byte[] buf, int off, int len) throws java.io.IOException
len
bytes from the specified byte array starting
at offset off
to this output stream.
java.io.IOException
- if there is a problem iwth the underlying stream
or the key fails to sign the fingerprint.public void flush() throws java.io.IOException
java.io.IOException
public void close() throws java.io.IOException
java.io.IOException
- if there is a problem with the underlying stream
or the key fails to sign the fingerprint.
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