/**
* Gets the MD5 hash the data on the given InputStream.
*
* @param in byte array for which an MD5 hash is desired.
* @return Array of 16 bytes, the hash of all updated bytes.
* @throws IOException if an I/O error occurs.
*/
public static byte[] getHash(InputStream in) throws IOException {
MD5 md5 = new MD5();
byte[] buffer = new byte[1024];
int read;
while ((read = in.read(buffer)) != -1) {
md5.update(buffer, read);
}
return md5.getHash();
}
/**
* Gets the MD5 hash of the given byte array.
*
* @param b byte array for which an MD5 hash is desired.
* @return 32-character hex representation the data's MD5 hash.
*/
public static String getHashString(byte[] b) {
MD5 md5 = new MD5();
md5.update(b);
return md5.getHashString();
}
/**
* Gets the MD5 hash of the given byte array.
*
* @param b byte array for which an MD5 hash is desired.
* @return Array of 16 bytes, the hash of all updated bytes.
*/
public static byte[] getHash(byte[] b) {
MD5 md5 = new MD5();
md5.update(b);
return md5.getHash();
}
/**
* Gets the MD5 hash of the given String.
*
* @param s String for which an MD5 hash is desired.
* @param enc The name of a supported character encoding.
* @return 32-character hex representation the data's MD5 hash.
* @throws UnsupportedEncodingException If the named encoding is not supported.
* @since ostermillerutils 1.00.00
*/
public static String getHashString(String s, String enc) throws UnsupportedEncodingException {
MD5 md5 = new MD5();
md5.update(s, enc);
return md5.getHashString();
}
/**
* Gets the MD5 hash of the given String. The string is converted to bytes using the current
* platform's default character encoding.
*
* @param s String for which an MD5 hash is desired.
* @return 32-character hex representation the data's MD5 hash.
*/
public static String getHashString(String s) {
MD5 md5 = new MD5();
md5.update(s);
return md5.getHashString();
}
/**
* Gets the MD5 hash of the given String. The string is converted to bytes using the current
* platform's default character encoding.
*
* @param s String for which an MD5 hash is desired.
* @return Array of 16 bytes, the hash of all updated bytes.
*/
public static byte[] getHash(String s) {
MD5 md5 = new MD5();
md5.update(s);
return md5.getHash();
}
