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rotator-test.js
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rotator-test.js
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const assert = require('assert');
const expect = require('chai').expect;
const {SodiumPlus} = require('sodium-plus');
const BlindIndex = require('../lib/blindindex');
const CipherSweet = require('../lib/ciphersweet');
const EncryptedField = require('../lib/encryptedfield');
const EncryptedMultiRows = require('../lib/encryptedmultirows');
const EncryptedRow = require('../lib/encryptedrow');
const FieldRotator = require('../lib/keyrotation/fieldrotator');
const MultiRowsRotator = require('../lib/keyrotation/multirowsrotator');
const RowRotator = require('../lib/keyrotation/rowrotator');
const FIPSCrypto = require('../lib/backend/fipsrypto');
const LastFourDigits = require('../lib/transformation/lastfourdigits');
const Lowercase = require('../lib/transformation/lowercase');
const ModernCrypto = require('../lib/backend/moderncrypto');
const StringProvider = require('../lib/keyprovider/stringprovider');
const Util = require('../lib/util');
function getExampleField(backend, longer = false, fast = false)
{
return (new EncryptedField(backend, 'contacts', 'ssn'))
.addBlindIndex(
new BlindIndex(
'contact_ssn_last_four',
[new LastFourDigits()],
longer ? 64 : 16,
fast
)
)
.addBlindIndex(
new BlindIndex(
'contact_ssn_last_4',
[new LastFourDigits()],
longer ? 64 : 16,
fast
)
)
.addBlindIndex(
new BlindIndex(
'contact_ssn',
[],
longer ? 128 : 32,
fast
)
);
}
function getExampleRow(engine, longer = false, fast = false)
{
let row = new EncryptedRow(engine, 'contacts')
.addTextField('ssn')
.addBooleanField('hivstatus');
row.addBlindIndex('ssn', new BlindIndex(
'contact_ssn_last_four',
[new LastFourDigits()],
longer ? 64 : 16,
fast
));
row.createCompoundIndex(
'contact_ssnlast4_hivstatus',
['ssn', 'hivstatus'],
longer ? 64 : 16,
fast
);
return row;
}
/**
* @param {module.CipherSweet} engine
*/
function getExampleMultiRows(engine)
{
return new EncryptedMultiRows(engine)
.addTable('foo')
.addTable('bar')
.addIntegerField('foo', 'column1')
.addTextField('foo', 'column2')
.addBooleanField('foo', 'column3')
.addIntegerField('bar', 'column1')
.addIntegerField('baz', 'column1')
.addBlindIndex(
'foo',
'column2',
new BlindIndex('foo_column2_idx', [new Lowercase()], 32, true)
);
}
let sodium;
let buf, fipsEngine, naclEngine, fipsRandom, naclRandom;
let initialized = false;
/**
* @return {Promise<boolean>}
*/
async function initialize() {
if (initialized) return true;
if (!sodium) sodium = await SodiumPlus.auto();
if (!buf) buf = await sodium.randombytes_buf(32);
if (!fipsEngine) fipsEngine = new CipherSweet(
new StringProvider('4e1c44f87b4cdf21808762970b356891db180a9dd9850e7baf2a79ff3ab8a2fc'),
new FIPSCrypto()
);
if (!naclEngine) naclEngine = new CipherSweet(
new StringProvider('4e1c44f87b4cdf21808762970b356891db180a9dd9850e7baf2a79ff3ab8a2fc'),
new ModernCrypto()
);
if (!fipsRandom) fipsRandom = new CipherSweet(
new StringProvider(buf.toString('hex')),
new FIPSCrypto()
);
if (!naclRandom) naclRandom = new CipherSweet(
new StringProvider(buf.toString('hex')),
new ModernCrypto()
);
initialized = true;
return false;
}
let message = 'This is a test message';
describe('Key/Backend Rotation', function () {
it('FieldRotator', async function () {
this.timeout(0);
if (!initialized) await initialize();
let eF = getExampleField(fipsRandom);
let eM = getExampleField(naclRandom);
let fieldRotator = new FieldRotator(eF, eM);
let fCipher = await eF.encryptValue(message);
let mCipher = await eM.encryptValue(message);
assert(true === await fieldRotator.needsReEncrypt(fCipher));
assert(false === await fieldRotator.needsReEncrypt(mCipher));
let cipher, indices;
[cipher, indices] = await fieldRotator.prepareForUpdate(fCipher);
expect(cipher.slice(0, 5)).to.be.equal(naclRandom.getBackend().getPrefix());
eM.decryptValue(cipher).then(plaintext => {
expect(plaintext).to.be.equal(message);
});
});
it('RowRotator', async function () {
this.timeout(0);
if (!initialized) await initialize();
let eFR = getExampleRow(fipsRandom);
let eMR = getExampleRow(naclRandom);
let rowRotator = new RowRotator(eFR, eMR);
let plainRow = {
"first_name": "test",
"last_name": "test",
"ssn": "123-45-6789",
"hivstatus": false
};
let fipsRow = await eFR.encryptRow(plainRow);
let naclRow = await eMR.encryptRow(plainRow);
assert(true === await rowRotator.needsReEncrypt(fipsRow));
assert(false === await rowRotator.needsReEncrypt(naclRow));
let cipherRow, indices;
[cipherRow, indices] = await rowRotator.prepareForUpdate(fipsRow);
eMR.decryptRow(cipherRow).then(plaintext => {
expect(plaintext.ssn).to.be.equal(plainRow.ssn);
});
});
it('MultiRowsRotator', async function () {
this.timeout(0);
if (!initialized) await initialize();
let eFMR = getExampleMultiRows(fipsRandom);
let eMMR = getExampleMultiRows(naclRandom);
let mutliRowsRotator = new MultiRowsRotator(eFMR, eMMR);
let plainRows = {
"foo": {
"column1": 12345,
"column2": message,
"column3": false,
"column4": "testing"
},
"bar": {
"column1": 45,
"extraneous": "test"
},
"baz": {
"column1": 67,
"extraneous": true
}
};
let fipsRows = await eFMR.encryptManyRows(plainRows);
let naclRows = await eMMR.encryptManyRows(plainRows);
assert(true === await mutliRowsRotator.needsReEncrypt(fipsRows));
assert(false === await mutliRowsRotator.needsReEncrypt(naclRows));
let cipherRows, indices;
[cipherRows, indices] = await mutliRowsRotator.prepareForUpdate(fipsRows);
eMMR.decryptManyRows(cipherRows).then(plaintext => {
expect(plaintext.foo.column2).to.be.equal(message);
});
});
});