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net.sf.mindoro.commons.util.Sha256Util	54%	100%

1		/*
2		* Created on Jun 6, 2005
3		*
4		* A utility class to calculate SHA-256 message digests.
5		*/
6		package net.sf.mindoro.commons.util;
7
8		import java.security.MessageDigest;
9		import java.security.NoSuchAlgorithmException;
10
11		/**
12		* A utility class to calculate SHA-256 message digests.
13		*
14		* @author aisrael
15		*/
16		public final class Sha256Util {
17
18		/**
19		* Instances of Sha256Util should NOT be constructed during regular
20		* programming.
21		*/
22	0	private Sha256Util() {
23		// noop
24	0	}
25
26		/**
27		* Get the SHA-256 MessageDigest to use.
28		*
29		* @return MessageDigest
30		*/
31		private static MessageDigest getDigest() {
32		try {
33	5	return MessageDigest.getInstance("SHA-256");
34	0	} catch (final NoSuchAlgorithmException e) {
35	0	throw new RuntimeException(e);
36		}
37	2	}
38
39		/**
40		* @param s
41		* String
42		* @return SHA-256 hash of s
43		*/
44		public static String hash(final String s) {
45	5	return StringUtils.toHex(getDigest().digest(s.getBytes()));
46		}
47	7
48	2	}

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