72 lines
2.0 KiB
JavaScript
72 lines
2.0 KiB
JavaScript
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/* eslint-disable camelcase */
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const test = require('brittle')
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const sodium = require('..')
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test('crypto_kdf_keygen', function (t) {
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const key = Buffer.alloc(sodium.crypto_kdf_KEYBYTES)
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t.exception.all(function () {
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sodium.crypto_kdf_keygen(Buffer.alloc(1))
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})
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sodium.crypto_kdf_keygen(key)
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t.not(key, Buffer.alloc(key.length))
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})
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test('crypto_kdf_derive_from_key', function (t) {
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const key = Buffer.alloc(sodium.crypto_kdf_KEYBYTES)
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sodium.crypto_kdf_keygen(key)
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const subkey = Buffer.alloc(sodium.crypto_kdf_BYTES_MIN)
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sodium.crypto_kdf_derive_from_key(subkey, 0, Buffer.from('context_'), key)
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t.not(subkey, Buffer.alloc(subkey.length))
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const subkey2 = Buffer.alloc(sodium.crypto_kdf_BYTES_MIN)
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sodium.crypto_kdf_derive_from_key(subkey2, 1, Buffer.from('context_'), key)
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t.not(subkey, subkey2)
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sodium.crypto_kdf_derive_from_key(subkey2, 0, Buffer.from('context_'), key)
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t.alike(subkey, subkey2)
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})
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test('test vectors', function (assert) {
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const fixtures = require('./fixtures/crypto_kdf.json')
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for (let i = 0; i < fixtures.length; i++) {
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const key = Buffer.from(fixtures[i].key, 'hex')
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const subkeyLen = fixtures[i].subkey_len
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const id = fixtures[i].id
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const context = Buffer.from(fixtures[i].context, 'hex')
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const shouldError = fixtures[i].error
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const actual = Buffer.alloc(subkeyLen)
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try {
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sodium.crypto_kdf_derive_from_key(actual, id, context, key)
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const expected = Buffer.from(fixtures[i].subkey, 'hex')
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if (Buffer.compare(actual, expected) !== 0) {
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assert.fail('Failed on fixture #' + i)
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}
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} catch (ex) {
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if (shouldError === false) assert.fail('Failed on fixture #' + i)
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}
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}
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assert.pass('Passed all fixtures')
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assert.end()
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})
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test('constants', function (t) {
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t.ok(sodium.crypto_kdf_PRIMITIVE)
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t.ok(sodium.crypto_kdf_BYTES_MAX > 0)
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t.ok(sodium.crypto_kdf_BYTES_MIN <= sodium.crypto_kdf_BYTES_MAX)
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t.ok(sodium.crypto_kdf_CONTEXTBYTES > 0)
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t.ok(sodium.crypto_kdf_KEYBYTES >= 16)
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t.end()
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})
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