Class KJUR.crypto.MessageDigest

MessageDigest class which is very similar to java.security.MessageDigest class
Defined in: crypto-1.1.js.

Class Summary
Constructor Attributes	Constructor Name and Description
	KJUR.crypto.MessageDigest(params) MessageDigest class which is very similar to java.security.MessageDigest class Currently this supports following algorithm and providers combination: md5 - cryptojs sha1 - cryptojs sha224 - cryptojs sha256 - cryptojs sha384 - cryptojs sha512 - cryptojs ripemd160 - cryptojs sha256 - sjcl (NEW from crypto.js 1.0.4)

Method Summary
Method Attributes	Method Name and Description
<static>	KJUR.crypto.MessageDigest.digest() completes hash calculation and returns hash result
<static>	KJUR.crypto.MessageDigest.digestHex(hex) performs final update on the digest using hexadecimal string, then completes the digest computation
<static>	KJUR.crypto.MessageDigest.digestString(str) performs final update on the digest using string, then completes the digest computation
<static>	KJUR.crypto.MessageDigest.setAlgAndProvider(alg, prov) set hash algorithm and provider
<static>	KJUR.crypto.MessageDigest.updateHex(hex) update digest by specified hexadecimal string
<static>	KJUR.crypto.MessageDigest.updateString(str) update digest by specified string

Class Detail

KJUR.crypto.MessageDigest(params)

MessageDigest class which is very similar to java.security.MessageDigest class
Currently this supports following algorithm and providers combination:

md5 - cryptojs
sha1 - cryptojs
sha224 - cryptojs
sha256 - cryptojs
sha384 - cryptojs
sha512 - cryptojs
ripemd160 - cryptojs
sha256 - sjcl (NEW from crypto.js 1.0.4)

// CryptoJS provider sample
<script src="http://crypto-js.googlecode.com/svn/tags/3.1.2/build/components/core.js"></script>
<script src="http://crypto-js.googlecode.com/svn/tags/3.1.2/build/components/sha1.js"></script>
<script src="crypto-1.0.js"></script>
var md = new KJUR.crypto.MessageDigest({alg: "sha1", prov: "cryptojs"});
md.updateString('aaa')
var mdHex = md.digest()

// SJCL(Stanford JavaScript Crypto Library) provider sample
<script src="http://bitwiseshiftleft.github.io/sjcl/sjcl.js"></script>
<script src="crypto-1.0.js"></script>
var md = new KJUR.crypto.MessageDigest({alg: "sha256", prov: "sjcl"}); // sjcl supports sha256 only
md.updateString('aaa')
var mdHex = md.digest()

Parameters:
{Array} params: parameters for constructor

Method Detail

<static> KJUR.crypto.MessageDigest.digest()

completes hash calculation and returns hash result

md.digest()

<static> KJUR.crypto.MessageDigest.digestHex(hex)

performs final update on the digest using hexadecimal string, then completes the digest computation

md.digestHex('0f2abd')

Parameters:
{String} hex: hexadecimal string to final update

<static> KJUR.crypto.MessageDigest.digestString(str)

performs final update on the digest using string, then completes the digest computation

md.digestString('aaa')

Parameters:
{String} str: string to final update

<static> KJUR.crypto.MessageDigest.setAlgAndProvider(alg, prov)

set hash algorithm and provider

// for SHA1
md.setAlgAndProvider('sha1', 'cryptojs');
// for RIPEMD160
md.setAlgAndProvider('ripemd160', 'cryptojs');

Parameters:
{String} alg: hash algorithm name
{String} prov: provider name

<static> KJUR.crypto.MessageDigest.updateHex(hex)

update digest by specified hexadecimal string

md.updateHex('0afe36');

Parameters:
{String} hex: hexadecimal string to update

<static> KJUR.crypto.MessageDigest.updateString(str)

update digest by specified string

md.updateString('New York');

Parameters:
{String} str: string to update

Classes

Class KJUR.crypto.MessageDigest