'use strict';
const common = require('../common');
if (!common.hasCrypto)
  common.skip('missing crypto');

const assert = require('assert');
const crypto = require('crypto');

common.expectWarning(
  'DeprecationWarning',
  'Calling pbkdf2 or pbkdf2Sync with "digest" set to null is deprecated.',
  'DEP0009');

//
// Test PBKDF2 with RFC 6070 test vectors (except #4)
//
function testPBKDF2(password, salt, iterations, keylen, expected) {
  const actual =
    crypto.pbkdf2Sync(password, salt, iterations, keylen, 'sha256');
  assert.strictEqual(actual.toString('latin1'), expected);

  crypto.pbkdf2(password, salt, iterations, keylen, 'sha256', (err, actual) => {
    assert.strictEqual(actual.toString('latin1'), expected);
  });
}


testPBKDF2('password', 'salt', 1, 20,
           '\x12\x0f\xb6\xcf\xfc\xf8\xb3\x2c\x43\xe7\x22\x52' +
           '\x56\xc4\xf8\x37\xa8\x65\x48\xc9');

testPBKDF2('password', 'salt', 2, 20,
           '\xae\x4d\x0c\x95\xaf\x6b\x46\xd3\x2d\x0a\xdf\xf9' +
           '\x28\xf0\x6d\xd0\x2a\x30\x3f\x8e');

testPBKDF2('password', 'salt', 4096, 20,
           '\xc5\xe4\x78\xd5\x92\x88\xc8\x41\xaa\x53\x0d\xb6' +
           '\x84\x5c\x4c\x8d\x96\x28\x93\xa0');

testPBKDF2('passwordPASSWORDpassword',
           'saltSALTsaltSALTsaltSALTsaltSALTsalt',
           4096,
           25,
           '\x34\x8c\x89\xdb\xcb\xd3\x2b\x2f\x32\xd8\x14\xb8\x11' +
           '\x6e\x84\xcf\x2b\x17\x34\x7e\xbc\x18\x00\x18\x1c');

testPBKDF2('pass\0word', 'sa\0lt', 4096, 16,
           '\x89\xb6\x9d\x05\x16\xf8\x29\x89\x3c\x69\x62\x26\x65' +
           '\x0a\x86\x87');

const expected =
    '64c486c55d30d4c5a079b8823b7d7cb37ff0556f537da8410233bcec330ed956';
const key = crypto.pbkdf2Sync('password', 'salt', 32, 32, 'sha256');
assert.strictEqual(key.toString('hex'), expected);

crypto.pbkdf2('password', 'salt', 32, 32, 'sha256', common.mustCall(ondone));
function ondone(err, key) {
  assert.ifError(err);
  assert.strictEqual(key.toString('hex'), expected);
}

// Error path should not leak memory (check with valgrind).
assert.throws(
  () => crypto.pbkdf2('password', 'salt', 1, 20, null),
  {
    code: 'ERR_INVALID_CALLBACK',
    name: 'TypeError'
  }
);

assert.throws(
  () => crypto.pbkdf2Sync('password', 'salt', -1, 20, 'sha1'),
  {
    code: 'ERR_OUT_OF_RANGE',
    name: 'RangeError',
    message: 'The value of "iterations" is out of range. ' +
             'It must be >= 0 && < 4294967296. Received -1'
  }
);

['str', null, undefined, [], {}].forEach((notNumber) => {
  assert.throws(
    () => {
      crypto.pbkdf2Sync('password', 'salt', 1, notNumber, 'sha256');
    }, {
      code: 'ERR_INVALID_ARG_TYPE',
      name: 'TypeError',
      message: 'The "keylen" argument must be of type number. ' +
               `Received type ${typeof notNumber}`
    });
});

[Infinity, -Infinity, NaN].forEach((input) => {
  assert.throws(
    () => {
      crypto.pbkdf2('password', 'salt', 1, input, 'sha256',
                    common.mustNotCall());
    }, {
      code: 'ERR_OUT_OF_RANGE',
      name: 'RangeError',
      message: 'The value of "keylen" is out of range. It ' +
               `must be an integer. Received ${input}`
    });
});

[-1, 4294967297].forEach((input) => {
  assert.throws(
    () => {
      crypto.pbkdf2('password', 'salt', 1, input, 'sha256',
                    common.mustNotCall());
    }, {
      code: 'ERR_OUT_OF_RANGE',
      name: 'RangeError',
      message: 'The value of "keylen" is out of range. It must be >= 0 && < ' +
               `4294967296. Received ${input === -1 ? '-1' : '4_294_967_297'}`
    });
});

// Should not get FATAL ERROR with empty password and salt
// https://github.com/nodejs/node/issues/8571
crypto.pbkdf2('', '', 1, 32, 'sha256', common.mustCall(assert.ifError));

assert.throws(
  () => crypto.pbkdf2('password', 'salt', 8, 8, common.mustNotCall()),
  {
    code: 'ERR_INVALID_ARG_TYPE',
    name: 'TypeError',
    message: 'The "digest" argument must be one of type string or null. ' +
             'Received type undefined'
  });

assert.throws(
  () => crypto.pbkdf2Sync('password', 'salt', 8, 8),
  {
    code: 'ERR_INVALID_ARG_TYPE',
    name: 'TypeError',
    message: 'The "digest" argument must be one of type string or null. ' +
             'Received type undefined'
  });

[1, {}, [], true, undefined, null].forEach((input) => {
  const msgPart2 = 'Buffer, TypedArray, or DataView.' +
                   ` Received type ${typeof input}`;
  assert.throws(
    () => crypto.pbkdf2(input, 'salt', 8, 8, 'sha256', common.mustNotCall()),
    {
      code: 'ERR_INVALID_ARG_TYPE',
      name: 'TypeError',
      message: `The "password" argument must be one of type string, ${msgPart2}`
    }
  );

  assert.throws(
    () => crypto.pbkdf2('pass', input, 8, 8, 'sha256', common.mustNotCall()),
    {
      code: 'ERR_INVALID_ARG_TYPE',
      name: 'TypeError',
      message: `The "salt" argument must be one of type string, ${msgPart2}`
    }
  );

  assert.throws(
    () => crypto.pbkdf2Sync(input, 'salt', 8, 8, 'sha256'),
    {
      code: 'ERR_INVALID_ARG_TYPE',
      name: 'TypeError',
      message: `The "password" argument must be one of type string, ${msgPart2}`
    }
  );

  assert.throws(
    () => crypto.pbkdf2Sync('pass', input, 8, 8, 'sha256'),
    {
      code: 'ERR_INVALID_ARG_TYPE',
      name: 'TypeError',
      message: `The "salt" argument must be one of type string, ${msgPart2}`
    }
  );
});

['test', {}, [], true, undefined, null].forEach((i) => {
  const received = `Received type ${typeof i}`;
  assert.throws(
    () => crypto.pbkdf2('pass', 'salt', i, 8, 'sha256', common.mustNotCall()),
    {
      code: 'ERR_INVALID_ARG_TYPE',
      name: 'TypeError',
      message: `The "iterations" argument must be of type number. ${received}`
    }
  );

  assert.throws(
    () => crypto.pbkdf2Sync('pass', 'salt', i, 8, 'sha256'),
    {
      code: 'ERR_INVALID_ARG_TYPE',
      name: 'TypeError',
      message: `The "iterations" argument must be of type number. ${received}`
    }
  );
});

// Any TypedArray should work for password and salt
crypto.pbkdf2(new Uint8Array(10), 'salt', 8, 8, 'sha256', common.mustCall());
crypto.pbkdf2('pass', new Uint8Array(10), 8, 8, 'sha256', common.mustCall());
crypto.pbkdf2(new Uint16Array(10), 'salt', 8, 8, 'sha256', common.mustCall());
crypto.pbkdf2('pass', new Uint16Array(10), 8, 8, 'sha256', common.mustCall());
crypto.pbkdf2(new Uint32Array(10), 'salt', 8, 8, 'sha256', common.mustCall());
crypto.pbkdf2('pass', new Uint32Array(10), 8, 8, 'sha256', common.mustCall());
crypto.pbkdf2(new Float32Array(10), 'salt', 8, 8, 'sha256', common.mustCall());
crypto.pbkdf2('pass', new Float32Array(10), 8, 8, 'sha256', common.mustCall());
crypto.pbkdf2(new Float64Array(10), 'salt', 8, 8, 'sha256', common.mustCall());
crypto.pbkdf2('pass', new Float64Array(10), 8, 8, 'sha256', common.mustCall());

crypto.pbkdf2Sync(new Uint8Array(10), 'salt', 8, 8, 'sha256');
crypto.pbkdf2Sync('pass', new Uint8Array(10), 8, 8, 'sha256');
crypto.pbkdf2Sync(new Uint16Array(10), 'salt', 8, 8, 'sha256');
crypto.pbkdf2Sync('pass', new Uint16Array(10), 8, 8, 'sha256');
crypto.pbkdf2Sync(new Uint32Array(10), 'salt', 8, 8, 'sha256');
crypto.pbkdf2Sync('pass', new Uint32Array(10), 8, 8, 'sha256');
crypto.pbkdf2Sync(new Float32Array(10), 'salt', 8, 8, 'sha256');
crypto.pbkdf2Sync('pass', new Float32Array(10), 8, 8, 'sha256');
crypto.pbkdf2Sync(new Float64Array(10), 'salt', 8, 8, 'sha256');
crypto.pbkdf2Sync('pass', new Float64Array(10), 8, 8, 'sha256');

assert.throws(
  () => crypto.pbkdf2('pass', 'salt', 8, 8, 'md55', common.mustNotCall()),
  {
    code: 'ERR_CRYPTO_INVALID_DIGEST',
    name: 'TypeError',
    message: 'Invalid digest: md55'
  }
);

assert.throws(
  () => crypto.pbkdf2Sync('pass', 'salt', 8, 8, 'md55'),
  {
    code: 'ERR_CRYPTO_INVALID_DIGEST',
    name: 'TypeError',
    message: 'Invalid digest: md55'
  }
);
