Package ghidra.util

Class HashingOutputStream

  • All Implemented Interfaces:
    java.io.Closeable, java.io.Flushable, java.lang.AutoCloseable
    public class HashingOutputStream
extends java.io.OutputStream
    A filtering OutputStream that calculates the hash of the bytes being written.

    Call getDigest() to retrieve the hash value bytes.

    • Constructor Summary

      Constructors 
      Constructor Description
      HashingOutputStream​(java.io.OutputStream out, java.lang.String hashAlgo)  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void close()  
      void flush()  
      byte[] getDigest()  
      void write​(byte[] b)  
      void write​(byte[] b, int off, int len)  
      void write​(int b)  

      • Methods inherited from class java.io.OutputStream

        nullOutputStream

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • HashingOutputStream

        public HashingOutputStream​(java.io.OutputStream out,
                           java.lang.String hashAlgo)
                    throws java.security.NoSuchAlgorithmException
        Parameters:
        out - - OutputStream to wrap
        hashAlgo - - see MessageDigest.getInstance(String), ie. "MD5".
        Throws:
        java.security.NoSuchAlgorithmException

    • Method Detail

      • write

        public void write​(int b)
           throws java.io.IOException
        Specified by:
        write in class java.io.OutputStream
        Throws:
        java.io.IOException

      • write

        public void write​(byte[] b)
           throws java.io.IOException
        Overrides:
        write in class java.io.OutputStream
        Throws:
        java.io.IOException

      • write

        public void write​(byte[] b,
                  int off,
                  int len)
           throws java.io.IOException
        Overrides:
        write in class java.io.OutputStream
        Throws:
        java.io.IOException

      • flush

        public void flush()
           throws java.io.IOException
        Specified by:
        flush in interface java.io.Flushable
        Overrides:
        flush in class java.io.OutputStream
        Throws:
        java.io.IOException

      • close

        public void close()
           throws java.io.IOException
        Specified by:
        close in interface java.lang.AutoCloseable
        Specified by:
        close in interface java.io.Closeable
        Overrides:
        close in class java.io.OutputStream
        Throws:
        java.io.IOException

      • getDigest

        public byte[] getDigest()