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Oracle Security Developer Tools Crypto Java API Reference 11g (11.1.1) E10668-02 |
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java.lang.Object
java.io.OutputStream
java.io.FilterOutputStream
oracle.security.crypto.core.DigestOutputStream
public class DigestOutputStream
An output stream that keeps a message digest of the bytes going through it.
The computeCurrent() method computes and returns the current digest.
Field Summary | |
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protected MessageDigest |
messageDigest The message digest used by this stream. |
Fields inherited from class java.io.FilterOutputStream |
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out |
Constructor Summary | |
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DigestOutputStream(java.io.OutputStream os, MessageDigest md) Create a new DigestOutputStream with specified OutputStream and Message Digest. |
Method Summary | |
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byte[] |
computeCurrent() Compute and return the current message digest. |
MessageDigest |
getMessageDigest() Return the message digest for this stream. |
void |
setMessageDigest(MessageDigest md) Set the message digest for this stream. |
void |
write(byte[] b, int off, int len) Write a sub array of bytes. |
void |
write(int b) Write one byte of data. |
Methods inherited from class java.io.FilterOutputStream |
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close, flush, write |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected MessageDigest messageDigest
Constructor Detail |
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public DigestOutputStream(java.io.OutputStream os, MessageDigest md)
Method Detail |
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public void write(int b) throws java.io.IOException
write
in class java.io.FilterOutputStream
java.io.IOException
public void write(byte[] b, int off, int len) throws java.io.IOException
write
in class java.io.FilterOutputStream
b
- the data to be writtenoff
- start offset of datalen
- number of bytes to writejava.io.IOException
public byte[] computeCurrent()
public MessageDigest getMessageDigest()
public void setMessageDigest(MessageDigest md)
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Oracle Security Developer Tools Crypto Java API Reference 11g (11.1.1) E10668-02 |
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