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java.lang.Object
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+--java.io.InputStream
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+--java.io.FilterInputStream
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+--gnu.crypto.mac.MacInputStream
A filtering input stream that computes a MAC (message authentication code) over all data read from the stream.
| Field Summary |
|---|
| Fields inherited from class java.io.FilterInputStream |
|---|
in |
| Constructor Summary | |
|---|---|
MacInputStream(java.io.InputStream in,
IMac mac)
Creates a new MacInputStream. |
|
| Method Summary | |
|---|---|
IMac |
getMac()
Returns the MAC this stream is updating. |
void |
on(boolean flag)
Turns the digesting state on or off. |
int |
read()
|
int |
read(byte[] buf,
int off,
int len)
|
void |
setMac(IMac mac)
Sets the MAC this stream is updating, which must have already been initialized. |
| Methods inherited from class java.io.FilterInputStream |
|---|
available, close, mark, markSupported, read, reset, skip |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
public MacInputStream(java.io.InputStream in,
IMac mac)
in - The underlying input stream.mac - The mac instance to use.| Method Detail |
public IMac getMac()
public void setMac(IMac mac)
mac - The new MAC.
java.lang.NullPointerException - If the argument is null.public void on(boolean flag)
flag - The new digesting state.
public int read()
throws java.io.IOException
read in class java.io.FilterInputStreamjava.io.IOException
public int read(byte[] buf,
int off,
int len)
throws java.io.IOException
read in class java.io.FilterInputStreamjava.io.IOException
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For the latest news and information visit The GNU Crypto project |
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