com.amazonaws.util

Class Md5Utils

java.lang.Object

com.amazonaws.util.Md5Utils

public class Md5Utils
extends java.lang.Object

Utility methods for computing MD5 sums.

Constructor Summary

Constructors

Constructor and Description
Md5Utils()

Method Summary

Modifier and Type	Method and Description
static byte[]	computeMD5Hash(byte[] input) Computes the MD5 hash of the given data and returns it as an array of bytes.
static byte[]	computeMD5Hash(java.io.File file) Computes the MD5 of the given file.
static byte[]	computeMD5Hash(java.io.InputStream is) Computes the MD5 hash of the data in the given input stream and returns it as an array of bytes.
static java.lang.String	md5AsBase64(byte[] input)
static java.lang.String	md5AsBase64(java.io.File file)
static java.lang.String	md5AsBase64(java.io.InputStream is)

Methods inherited from class java.lang.Object

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

Constructor Detail

Md5Utils

public Md5Utils()

Method Detail

computeMD5Hash

public static byte[] computeMD5Hash(java.io.InputStream is)
                             throws java.io.IOException

Computes the MD5 hash of the data in the given input stream and returns it as an array of bytes. Note this method closes the given input stream upon completion.

Parameters:

is - the input stream.

Returns:

MD5 hash of the data.

Throws:

java.io.IOException

md5AsBase64

public static java.lang.String md5AsBase64(java.io.InputStream is)
                                    throws java.io.IOException

Parameters:

is - the input stream.

Returns:

the MD5 in base64 for the data from the given input stream. Note this method closes the given input stream upon completion.

Throws:

java.io.IOException

computeMD5Hash

public static byte[] computeMD5Hash(byte[] input)

Computes the MD5 hash of the given data and returns it as an array of bytes.

Parameters:

input - the input in bytes.

Returns:

the MD5 hash of the data.

md5AsBase64

public static java.lang.String md5AsBase64(byte[] input)

Parameters:

input - the input in bytes.

Returns:

the MD5 in base64 for the given byte array.

computeMD5Hash

public static byte[] computeMD5Hash(java.io.File file)
                             throws java.io.IOException

Computes the MD5 of the given file.

Parameters:

file - the file.

Returns:

the MD5 hash of the data.

Throws:

java.io.IOException

md5AsBase64

public static java.lang.String md5AsBase64(java.io.File file)
                                    throws java.io.IOException

Parameters:

file - the file.

Returns:

the MD5 in base64 for the given file.

Throws:

java.io.IOException