332. EPMO Open Source Coordination Office Redaction File Detail Report

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332.1 Files compared

#	Location	File	Last Modified
1	HTRE_P3_v14.5_iter_4_build_14.zip\java\gov\va\med\fw\util	HashUtils.java	Wed May 29 15:26:00 2019 UTC
2	HTRE_P3_v14.5_iter_4_build_14.zip\java\gov\va\med\fw\util	HashUtils.java	Mon Jun 10 19:30:05 2019 UTC

332.2 Comparison summary

Description	Between Files 1 and 2
Description	Text Blocks	Lines
Unchanged	2	114
Changed	1	2
Inserted	0	0
Removed	0	0

332.3 Comparison options

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Character case	Differences in character case are significant
Line endings	Differences in line endings (`CR` and `LF` characters) are ignored
CR/LF characters	Not shown in the comparison detail

332.4 Active regular expressions

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332.5 Comparison detail

	1	/******* ****** ****** ****** ****** ****** *******
	2	* Copyrii ght 2009 V HA. All ri ghts reser ved
	3	******* ****** ****** ****** ****** ****** *******/
	4
	5	package go v.va.med.f w.util;
	6
	7	import jav a.io.ByteA rrayOutput Stream;
	8	import jav a.security .MessageDi gest;
	9
	10	import gov .va.med.fw .model.Has hSummary;
	11
	12	/**
	13	* Central utility f or hashing needs.
	14	*
	15	* Origina l Author - DN S
	16	* Creatio n Date - O ct 29, 200 9 3:09:41 PM
	17	*/
	18	public cla ss HashUti ls {
	19	pu blic stati c final ch ar[] HEX_C HARS = { ' 0', '1', ' 2', '3', ' 4', '5', ' 6', '7', ' 8', '9', ' a', 'b', ' c',
	20	'd', ' e', 'f' };
	21
	22	pu blic stati c final St ring DEFAU LT_ALGORIT HM = "SHA- 256";
	23
	24	pu blic stati c HashSumm ary hash(O bject item ToHash, St ring algor ithm) thro ws Excepti on {
	25	retu rn hash(it emToHash, null, algo rithm);
	26	}
	27
	28	pu blic stati c HashSumm ary hash(O bject item ToHash) th rows Excep tion {
	29	retu rn hash(it emToHash, null, DEFA ULT_ALGORI THM);
	30	}
	31
	32	pu blic stati c HashSumm ary hash(O bject item ToHash, St ring key, String alg orithm) th rows Excep tion{
	33	if(i temToHash == null && key == nu ll)
	34	return null;
	35
	36	// T ODO: if Me ssageDiges t is threa d-safe, co uld share static ins tance
	37	Mess ageDigest digest = j ava.securi ty.Message Digest.get Instance(a lgorithm);
	38
	39	/*Sy stem.out.p rintln("Ha sh perform ed using M essageDige st [name / version / info]: [" + digest. getProvide r().getNam e() +
	40	" / " + digest.get Provider() .getVersio n() + " / " + digest .getProvid er().getIn fo() + "]" );
	41	*/
	42
	43	int hash = ite mToHash.ha shCode();
	44	Byte ArrayOutpu tStream ba os = new B yteArrayOu tputStream ();
	45	baos .write(has h);
	46	if ( key != nu ll ) {
	47	baos.w rite(key.g etBytes()) ;
	48	}
	49	dige st.update( baos.toByt eArray());
	50	byte [] hashSig = digest. digest();
	51	char buf[] = n ew char[ha shSig.leng th * 2];
	52	for (int i = 0 , x = 0; i < hashSig .length; i ++) {
	53	buf[x+ +] = HEX_C HARS[(hash Sig[i] >>> 4) & 0xf] ;
	54	buf[x+ +] = HEX_C HARS[hashS ig[i] & 0x f];
	55	}
	56	retu rn new Has hSummary(n ew String( buf), dige st);
	57	}
	58	}