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util-test.js
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util-test.js
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const expect = require('chai').expect;
const Util = require('../lib/util');
const {SodiumPlus} = require('sodium-plus');
let sodium;
describe('Util', function () {
it('Util.increaseCtrNonce()', async function () {
let testCases = [
[
'00000000000000000000000000000001',
'00000000000000000000000000000000'
],
[
'00000000000000000000000000000100',
'000000000000000000000000000000ff'
],
[
'0000000000000000000000000000ff00',
'0000000000000000000000000000feff'
],
[
'00000000000000000000000000000000',
'ffffffffffffffffffffffffffffffff'
]
];
let input, output, inBuf;
for (let i = 0; i < testCases.length; i++) {
[output, input] = testCases[i];
inBuf = Buffer.from(input, 'hex');
expect(output).to.be.equal(
(await Util.increaseCtrNonce(inBuf)).toString('hex')
);
}
output = '0000000000000000000000000000feff';
inBuf = Buffer.from('0000000000000000000000000000fe00', 'hex');
expect(output).to.be.equal(
(await Util.increaseCtrNonce(inBuf, 255)).toString('hex')
);
});
it('Util.andMask()', async function () {
let input, size, output, outputRight, masked;
let testCases = [
['ff', 4, 'f0', '0f'],
['ff', 9, 'ff00', 'ff00'],
['ffffffff', 16, 'ffff', 'ffff'],
['ffffffff', 17, 'ffff80', 'ffff01'],
['ffffffff', 18, 'ffffc0', 'ffff03'],
['ffffffff', 19, 'ffffe0', 'ffff07'],
['ffffffff', 20, 'fffff0', 'ffff0f'],
['ffffffff', 21, 'fffff8', 'ffff1f' ],
['ffffffff', 22, 'fffffc', 'ffff3f'],
['ffffffff', 23, 'fffffe', 'ffff7f'],
['ffffffff', 24, 'ffffff', 'ffffff'],
['ffffffff', 32, 'ffffffff', 'ffffffff'],
['ffffffff', 64, 'ffffffff00000000', 'ffffffff00000000'],
['55f6778c', 11, '55e0', '5506'],
['55f6778c', 12, '55f0', '5506'],
['55f6778c', 13, '55f0', '5516'],
['55f6778c', 14, '55f4', '5536'],
['55f6778c', 15, '55f6', '5576'],
['55f6778c', 16, '55f6', '55f6'],
['55f6778c', 17, '55f600', '55f601'],
['55f6778c', 32, '55f6778c', '55f6778c']
];
for (let i = 0; i < testCases.length; i++) {
[input, size, output, outputRight] = testCases[i];
masked = await Util.andMask(Buffer.from(input, 'hex'), size);
expect(output).to.be.equal(masked.toString('hex'));
masked = await Util.andMask(Buffer.from(input, 'hex'), size, true);
expect(outputRight).to.be.equal(masked.toString('hex'));
}
});
it('Util.hmac()', function () {
Util.hmac("sha256", "Paragon Initiative Enterprises", "Happy Pie Day!").then(out=>{
expect(
'6f3e128164ab6edb5e1d61fd4657f778665d3f0b4d3f3d6e8a29d27eb68e14c8'
).to.be.equal(
out.toString('hex')
)
});
Util.hmac(
'sha256',
Buffer.from('f0f1f2f3f4f5f6f7f8f901', 'hex'),
Buffer.from('077709362c2e32df0ddc3f0dc47bba6390b6c73bb50f9c3122ec844ad7c2b3e5', 'hex')
).then(out => {
expect('3cb25f25faacd57a90434f64d0362f2a2d2d0a90cf1a5a4c5db02d56ecc4c5bf').to.be.equal(out);
});
});
it('Util.HKDF() -- (RFC 5869) test vectors', function () {
let ikm = Buffer.from('0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b', 'hex');
let salt = Buffer.from('000102030405060708090a0b0c', 'hex');
let info = Buffer.from('f0f1f2f3f4f5f6f7f8f9', 'hex');
expect('0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b').to.be.equal(ikm.toString('hex'));
expect('000102030405060708090a0b0c').to.be.equal(salt.toString('hex'));
expect('f0f1f2f3f4f5f6f7f8f9').to.be.equal(info.toString('hex'));
Util.HKDF(ikm, salt, info, 42, 'sha256').then(out=>{
expect(
'3cb25f25faacd57a90434f64d0362f2a2d2d0a90cf1a5a4c5db02d56ecc4c5bf34007208d5b887185865'
).to.be.equal(
out.toString('hex')
);
});
});
it('Util -- type conversions', async function () {
if (!sodium) sodium = await SodiumPlus.auto();
// BOOL
expect(Util.chrToBool("\x02")).to.be.equal(true);
expect(Util.chrToBool("\x01")).to.be.equal(false);
expect(Util.chrToBool("\x00")).to.be.equal(null);
expect(Util.boolToChr(true)).to.be.equal("\x02");
expect(Util.boolToChr(false)).to.be.equal("\x01");
expect(Util.boolToChr(null)).to.be.equal("\x00");
// FLOAT
let float = Math.PI;
expect(
Util.bufferToFloat(Util.floatToBuffer(float)).toFixed(9)
).to.be.equal(
float.toFixed(9)
);
let a = await sodium.randombytes_uniform(0x7ffffff) + 1;
let b = await sodium.randombytes_uniform(0x7fffffff) + 2;
float = a/b;
expect(
Util.bufferToFloat(Util.floatToBuffer(float)).toFixed(9)
).to.be.equal(
float.toFixed(9)
);
// INTEGER
for (let i = 0; i < 100; i++) {
b = await sodium.randombytes_uniform(0x7fffffff);
expect(b).to.be.equal(Util.load64_le(Util.store64_le(b)));
}
});
});