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Added hasher test class and changed converter hex function to lower case

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Ziver Koc 2010-11-04 19:04:38 +00:00
parent e508fbe783
commit b9a11aff97
4 changed files with 84 additions and 25 deletions
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70
src/zutil/Hasher.java
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@ -16,9 +16,9 @@ public class Hasher {
/**
* Returns a hash of a file
*
* @param file is the path to the file
* @param hashType is the hash type
* @return a String with the hash
* @param file is the path to the file
* @param hashType is the hash type
* @return a String with the hash
*/
public static String hash(File file, String hashType) throws NoSuchAlgorithmException, IOException {
MessageDigest digest = MessageDigest.getInstance(hashType);//"MD5"
@ -45,8 +45,23 @@ public class Hasher {
/**
* Returns the MD5 hash of the given object
*
* @param object is the object to hash
* @return an String containing the hash
* @param object is the String to hash
* @return an String containing the hash
*/
public static String MD5(String str){
try {
return hash(str, "MD5");
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
/**
* Returns the MD5 hash of the given object
*
* @param object is the object to hash
* @return an String containing the hash
*/
public static String MD5(Serializable object){
try {
@ -60,8 +75,23 @@ public class Hasher {
/**
* Returns the SHA-1 hash of the given object
*
* @param object is the object to hash
* @return an String containing the hash
* @param str is the String to hash
* @return an String containing the hash
*/
public static String SHA1(String str){
try {
return hash(str, "SHA-1");
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
/**
* Returns the SHA-1 hash of the given object
*
* @param object is the object to hash
* @return an String containing the hash
*/
public static String SHA1(Serializable object){
try {
@ -75,20 +105,20 @@ public class Hasher {
/**
* Hashes the given String as UTF8
*
* @param object is the String
* @param hashType is the hash algorithm (MD2, MD5, SHA-1, SHA-256, SHA-384, SHA-512 )
* @return a hex String of the hash
* @param object is the String
* @param hashType is the hash algorithm (MD2, MD5, SHA-1, SHA-256, SHA-384, SHA-512 )
* @return a hex String of the hash
*/
public static String hash(String object, String hashType) throws Exception {
return hash(object.getBytes("UTF8"), hashType);//(new BASE64Encoder()).encode(raw);
return hash(object.getBytes(), hashType);//(new BASE64Encoder()).encode(raw);
}
/**
* Returns the hash of the given object
*
* @param object is the object to hash
* @param hashType is the hash method (MD2, MD5, SHA-1, SHA-256, SHA-384, SHA-512 )
* @return an String containing the hash
* @param object is the object to hash
* @param hashType is the hash method (MD2, MD5, SHA-1, SHA-256, SHA-384, SHA-512 )
* @return an String containing the hash
*/
public static String hash(Serializable object, String hashType) throws Exception {
return hash(Converter.toBytes(object), hashType);//(new BASE64Encoder()).encode(raw);
@ -97,9 +127,9 @@ public class Hasher {
/**
* Hashes a given byte array
*
* @param data is the byte array to hash
* @param hashType is the hash method (MD2, MD5, SHA-1, SHA-256, SHA-384, SHA-512 )
* @return an String containing the hash
* @param data is the byte array to hash
* @param hashType is the hash method (MD2, MD5, SHA-1, SHA-256, SHA-384, SHA-512 )
* @return an String containing the hash
* @throws Exception
*/
public static String hash(byte[] data, String hashType) throws Exception {
@ -114,9 +144,9 @@ public class Hasher {
/**
* MurmurHash2 ported from c++ source
*
* @param object is the Key
* @param seed is the seed
* @return A MurmurHash of the key
* @param object is the Key
* @param seed is the seed
* @return A MurmurHash of the key
*/
public static int MurmurHash(Serializable object, int seed) throws Exception{
byte[] data = Converter.toBytes(object);