11. EPMO Open Source Coordination Office Redaction File Detail Report

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11.1 Files compared

#	Location	File	Last Modified
1	MHV_2017.2.0.0 Code In Flight.zip\National Portal\mhv_common\mhv-common-api\src\main\java\gov\va\med\mhv\core\crypto	ChecksumCalculator.java	Thu Feb 11 17:10:34 2016 UTC
2	MHV_2017.2.0.0 Code In Flight.zip\National Portal\mhv_common\mhv-common-api\src\main\java\gov\va\med\mhv\core\crypto	ChecksumCalculator.java	Fri Mar 24 20:04:23 2017 UTC

11.2 Comparison summary

Description	Between Files 1 and 2
Description	Text Blocks	Lines
Unchanged	5	116
Changed	4	10
Inserted	0	0
Removed	0	0

11.3 Comparison options

Whitespace
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

11.4 Active regular expressions

No regular expressions were active.

11.5 Comparison detail

	1	package go v.va.med.m hv.core.cr ypto;
	2
	3	import jav a.io.Seria lizable;
	4	import jav a.security .MessageDi gest;
	5	import jav a.security .NoSuchAlg orithmExce ption;
	6
	7	import org .springfra mework.uti l.Assert;
	8
	9	/**
	10	* Provide s calculat ion of a c hecksum, b ased on a specific a lgorithm,
	11	* from a given inpu t.
	12	* @author Rob Prope r
	13	*
	14	*/
	15	public cla ss Checksu mCalculato r implemen ts Seriali zable {
	16
	17	/* *
	18	* encrypt
	19	* /
	20	pu blic stati c final St ring DEFAU LT_ALGORIT HM = " encrypt ";
	21
	22	pr ivate fina l MessageD igest dige ster;
	23
	24	/* *
	25	* Creates a checksum calculator based on the defaul t algorith m.
	26	* @see #DEF AULT_ALGOR ITHM
	27	* @throws N oSuchAlgor ithmExcept ion When t here is no provider for
	28	* the defau lt algorit hm
	29	* /
	30	pu blic Check sumCalcula tor() thro ws NoSuchA lgorithmEx ception {
	31	this (DEFAULT_A LGORITHM);
	32	}
	33
	34	/* *
	35	* Creates a checksum calculator based on the given algorithm.
	36	* @param al gorithm Th e algorith m to use f or calcula tions.
	37	* @throws N oSuchAlgor ithmExcept ion When t here is no provider for
	38	* the given algorithm
	39	* /
	40	pu blic Check sumCalcula tor(String algorithm )
	41	thro ws NoSuchA lgorithmEx ception
	42	{
	43	dige ster = Mes sageDigest .getInstan ce(algorit hm);
	44	}
	45
	46	/* *
	47	* Calculate s the chec ksum for a given inp ut.
	48	* @param in put The in put to cal culate the checksum from
	49	* @return T he checksu m calculat ed from th e given in put.
	50	* /
	51	pu blic Strin g calculat e(String i nput) {
	52	Asse rt.notNull (input);
	53	//Pr econdition .assertNot Null("inpu t", input) ;
	54	dige ster.updat e(input.ge tBytes());
	55	byte[] encrypt = digeste r.digest() ;
	56	Stri ngBuffer b uffer = ne w StringBu ffer();
	57	for(int i = 0; i < encrypt .length; i ++) {
	58	buffer.app end(Intege r.toHexStr ing( encrypt [i]));
	59	}
	60	retu rn buffer. toString() ;
	61	}
	62
	63	}