Created
March 29, 2014 15:48
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Encrypted SHA1 string for android
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package no.rocketfarm.festivalcore.util; | |
import java.io.UnsupportedEncodingException; | |
import java.security.MessageDigest; | |
import java.security.NoSuchAlgorithmException; | |
public class StringEncryption { | |
private static String convertToHex(byte[] data) { | |
StringBuilder buf = new StringBuilder(); | |
for (byte b : data) { | |
int halfbyte = (b >>> 4) & 0x0F; | |
int two_halfs = 0; | |
do { | |
buf.append((0 <= halfbyte) && (halfbyte <= 9) ? (char) ('0' + halfbyte) : (char) ('a' + (halfbyte - 10))); | |
halfbyte = b & 0x0F; | |
} while (two_halfs++ < 1); | |
} | |
return buf.toString(); | |
} | |
public static String SHA1(String text) throws NoSuchAlgorithmException, UnsupportedEncodingException { | |
MessageDigest md = MessageDigest.getInstance("SHA-1"); | |
md.update(text.getBytes("iso-8859-1"), 0, text.length()); | |
byte[] sha1hash = md.digest(); | |
return convertToHex(sha1hash); | |
} | |
} |
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