de6ffc2f76
'use strict' is unnecessary inside modules because module code is always strict mode code. Ref: https://www.ecma-international.org/ecma-262/6.0/#sec-strict-mode-code
40 lines
1.2 KiB
JavaScript
40 lines
1.2 KiB
JavaScript
var openpgp = typeof window !== 'undefined' && window.openpgp ? window.openpgp : require('../../dist/openpgp');
|
|
|
|
var expect = require('chai').expect;
|
|
|
|
describe('PKCS5 padding', function() {
|
|
function repeat(pattern, count) {
|
|
var result = '';
|
|
for (var k=0; k<count; ++k) {
|
|
result += pattern;
|
|
}
|
|
return result;
|
|
}
|
|
var pkcs5 = openpgp.crypto.pkcs5;
|
|
it('Add padding', function () {
|
|
var s = '';
|
|
while (s.length < 16) {
|
|
var r = pkcs5.encode(s);
|
|
// 0..7 -> 8, 8..15 -> 16
|
|
var l = Math.ceil((s.length+1)/8)*8;
|
|
var c = l - s.length;
|
|
expect(r.length).to.equal(l);
|
|
expect(c).is.at.least(1).is.at.most(8);
|
|
expect(r.substr(-1)).to.equal(String.fromCharCode(c));
|
|
s += ' ';
|
|
}
|
|
});
|
|
it('Remove padding', function () {
|
|
for (var k=1; k<=8; ++k) {
|
|
var s = repeat(' ', 8-k);
|
|
var r = s + repeat(String.fromCharCode(k), k);
|
|
var t = pkcs5.decode(r);
|
|
expect(t).to.equal(s);
|
|
}
|
|
});
|
|
it('Invalid padding', function () {
|
|
expect(function () {pkcs5.decode(' ');}).to.throw(Error, /Invalid padding/);
|
|
expect(function () {pkcs5.decode('');}).to.throw(Error, /Invalid padding/);
|
|
});
|
|
});
|