Package org.bouncycastle.jcajce.io
Class MacOutputStream
- java.lang.Object
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- java.io.OutputStream
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- org.bouncycastle.jcajce.io.MacOutputStream
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- All Implemented Interfaces:
Closeable
,Flushable
,AutoCloseable
public final class MacOutputStream extends OutputStream
An output stream which calculates a MAC based on the data that is written to it.
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Constructor Summary
Constructors Constructor Description MacOutputStream(Mac mac)
Base constructor - specify the MAC algorithm to use.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description byte[]
getMac()
Execute doFinal() and return the calculated MAC.void
write(byte[] bytes, int off, int len)
Write a block of data of length len starting at offset off in the byte array bytes to the stream.void
write(int b)
Write a single byte to the stream.-
Methods inherited from class java.io.OutputStream
close, flush, nullOutputStream, write
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Constructor Detail
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MacOutputStream
public MacOutputStream(Mac mac)
Base constructor - specify the MAC algorithm to use.- Parameters:
mac
- the MAC implementation to use as the basis of the stream.
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Method Detail
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write
public void write(int b) throws IOException
Write a single byte to the stream.- Specified by:
write
in classOutputStream
- Parameters:
b
- the byte value to write.- Throws:
IOException
- in case of failure.
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write
public void write(byte[] bytes, int off, int len) throws IOException
Write a block of data of length len starting at offset off in the byte array bytes to the stream.- Overrides:
write
in classOutputStream
- Parameters:
bytes
- byte array holding the data.off
- offset into bytes that the data starts at.len
- the length of the data block to write.- Throws:
IOException
- in case of failure.
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getMac
public byte[] getMac()
Execute doFinal() and return the calculated MAC.- Returns:
- the MAC calculated from the output written to the stream.
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