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fix: don't allow NaN/Infinity params #31

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fix: don't allow NaN/Infinity params #31

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2 changes: 1 addition & 1 deletion scrypt.js
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Original file line number Diff line number Diff line change
Expand Up @@ -251,7 +251,7 @@
}

function ensureInteger(value, name) {
if (typeof(value) !== "number" || (value % 1)) { throw new Error('invalid ' + name); }
if (!Number.isInteger(value)) { throw new Error('invalid ' + name); }
return value;
}

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14 changes: 14 additions & 0 deletions test/test-scrypt.js
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,20 @@ const scrypt = require('../scrypt.js');

const testVectors = require('./test-vectors.json');

for (const invalid of [NaN, Infinity, -Infinity, 0.5, null]) {
for (let i = 0; i < 4; i++) {
const password = Buffer.from('password');
const salt = Buffer.from('salt');
const argname = ['N', 'r', 'p', 'dkLen'][i];
const args = [16, 1, 1, 64];
args[i] = invalid;
it(`Test ${invalid} rejection ${i}`, () => assert.rejects(
() => scrypt.scrypt(password, salt, ...args, () => {}),
{ message: `invalid ${argname}` }
));
}
}

for (let i = 0; i < testVectors.length; i++) {
const test = testVectors[i];

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