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33 lines
1.1 KiB
33 lines
1.1 KiB
package org.r3pek.droiduptime;
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import java.io.UnsupportedEncodingException;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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public class MD5 {
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private static String convertToHex(byte[] data) {
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StringBuffer buf = new StringBuffer();
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for (int i = 0; i < data.length; i++) {
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int halfbyte = (data[i] >>> 4) & 0x0F;
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int two_halfs = 0;
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do {
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if ((0 <= halfbyte) && (halfbyte <= 9))
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buf.append((char) ('0' + halfbyte));
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else
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buf.append((char) ('a' + (halfbyte - 10)));
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halfbyte = data[i] & 0x0F;
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} while(two_halfs++ < 1);
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}
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return buf.toString();
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}
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public static String calculateMD5(String text) throws NoSuchAlgorithmException, UnsupportedEncodingException {
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MessageDigest md;
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md = MessageDigest.getInstance("MD5");
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byte[] md5hash = new byte[32];
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md.update(text.getBytes("iso-8859-1"), 0, text.length());
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md5hash = md.digest();
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return convertToHex(md5hash);
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}
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} |