org.apache.catalina.util: public final class: MD5Encoder

org.apache.catalina.util
public final class: MD5Encoder [javadoc | source]

java.lang.Object
   org.apache.catalina.util.MD5Encoder

Encode an MD5 digest into a String.

The 128 bit MD5 hash is converted into a 32 character long String. Each character of the String is the hexadecimal representation of 4 bits of the digest.

author: Remy - Maucherat

version: $ - Revision: 467222 $ $Date: 2006-10-24 05:17:11 +0200 (mar., 24 oct. 2006) $

Method from org.apache.catalina.util.MD5Encoder Summary:
encode

Methods from java.lang.Object:
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method from org.apache.catalina.util.MD5Encoder Detail:
public String encode(byte[] binaryData) { // --------------------------------------------------------- Public Methods if (binaryData.length != 16) return null; char[] buffer = new char[32]; for (int i=0; i< 16; i++) { int low = (int) (binaryData[i] & 0x0f); int high = (int) ((binaryData[i] & 0xf0) > > 4); buffer[i2] = hexadecimal[high]; buffer[i2 + 1] = hexadecimal[low]; } return new String(buffer); } Encodes the 128 bit (16 bytes) MD5 into a 32 character String.

Method from org.apache.catalina.util.MD5Encoder Detail:

 public String encode(byte[] binaryData) {
    // --------------------------------------------------------- Public Methods
        if (binaryData.length != 16)
            return null;
        char[] buffer = new char[32];
        for (int i=0; i< 16; i++) {
            int low = (int) (binaryData[i] & 0x0f);
            int high = (int) ((binaryData[i] & 0xf0)  > > 4);
            buffer[i*2] = hexadecimal[high];
            buffer[i*2 + 1] = hexadecimal[low];
        }
        return new String(buffer);
}

Encodes the 128 bit (16 bytes) MD5 into a 32 character String.