// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

'use strict';
// Flags: --expose-internals

// This is the same as test/simple/test-crypto, but from before the shift
// to use buffers by default.


const common = require('../common');

if (!common.hasCrypto)
  common.skip('missing crypto');

const assert = require('assert');
const crypto = require('crypto');
const fs = require('fs');
const tls = require('tls');
const fixtures = require('../common/fixtures');
const DH_NOT_SUITABLE_GENERATOR = crypto.constants.DH_NOT_SUITABLE_GENERATOR;

require('internal/crypto/util').setDefaultEncoding('latin1');

// Test Certificates
const certPem = fixtures.readSync('test_cert.pem', 'ascii');
const certPfx = fixtures.readSync('test_cert.pfx');
const keyPem = fixtures.readSync('test_key.pem', 'ascii');
const rsaPubPem = fixtures.readSync('test_rsa_pubkey.pem', 'ascii');
const rsaKeyPem = fixtures.readSync('test_rsa_privkey.pem', 'ascii');

// PFX tests
tls.createSecureContext({ pfx: certPfx, passphrase: 'sample' });

assert.throws(function() {
  tls.createSecureContext({ pfx: certPfx });
}, /^Error: mac verify failure$/);

assert.throws(function() {
  tls.createSecureContext({ pfx: certPfx, passphrase: 'test' });
}, /^Error: mac verify failure$/);

assert.throws(function() {
  tls.createSecureContext({ pfx: 'sample', passphrase: 'test' });
}, /^Error: not enough data$/);

// Test HMAC
{
  const hmacHash = crypto.createHmac('sha1', 'Node')
                         .update('some data')
                         .update('to hmac')
                         .digest('hex');
  assert.strictEqual(hmacHash, '19fd6e1ba73d9ed2224dd5094a71babe85d9a892');
}

// Test HMAC-SHA-* (rfc 4231 Test Cases)
{
  const rfc4231 = [
    {
      key: Buffer.from('0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b', 'hex'),
      data: Buffer.from('4869205468657265', 'hex'), // 'Hi There'
      hmac: {
        sha224: '896fb1128abbdf196832107cd49df33f47b4b1169912ba4f53684b22',
        sha256:
            'b0344c61d8db38535ca8afceaf0bf12b881dc200c9833da726e9376c' +
            '2e32cff7',
        sha384:
            'afd03944d84895626b0825f4ab46907f15f9dadbe4101ec682aa034c' +
            '7cebc59cfaea9ea9076ede7f4af152e8b2fa9cb6',
        sha512:
            '87aa7cdea5ef619d4ff0b4241a1d6cb02379f4e2ce4ec2787ad0b305' +
            '45e17cdedaa833b7d6b8a702038b274eaea3f4e4be9d914eeb61f170' +
            '2e696c203a126854'
      }
    },
    {
      key: Buffer.from('4a656665', 'hex'), // 'Jefe'
      data: Buffer.from('7768617420646f2079612077616e7420666f72206e6f74686' +
                        '96e673f', 'hex'), // 'what do ya want for nothing?'
      hmac: {
        sha224: 'a30e01098bc6dbbf45690f3a7e9e6d0f8bbea2a39e6148008fd05e44',
        sha256:
            '5bdcc146bf60754e6a042426089575c75a003f089d2739839dec58b9' +
            '64ec3843',
        sha384:
            'af45d2e376484031617f78d2b58a6b1b9c7ef464f5a01b47e42ec373' +
            '6322445e8e2240ca5e69e2c78b3239ecfab21649',
        sha512:
            '164b7a7bfcf819e2e395fbe73b56e0a387bd64222e831fd610270cd7' +
            'ea2505549758bf75c05a994a6d034f65f8f0e6fdcaeab1a34d4a6b4b' +
            '636e070a38bce737'
      }
    },
    {
      key: Buffer.from('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'hex'),
      data: Buffer.from('ddddddddddddddddddddddddddddddddddddddddddddddddd' +
                        'ddddddddddddddddddddddddddddddddddddddddddddddddddd',
                        'hex'),
      hmac: {
        sha224: '7fb3cb3588c6c1f6ffa9694d7d6ad2649365b0c1f65d69d1ec8333ea',
        sha256:
            '773ea91e36800e46854db8ebd09181a72959098b3ef8c122d9635514' +
            'ced565fe',
        sha384:
            '88062608d3e6ad8a0aa2ace014c8a86f0aa635d947ac9febe83ef4e5' +
            '5966144b2a5ab39dc13814b94e3ab6e101a34f27',
        sha512:
            'fa73b0089d56a284efb0f0756c890be9b1b5dbdd8ee81a3655f83e33' +
            'b2279d39bf3e848279a722c806b485a47e67c807b946a337bee89426' +
            '74278859e13292fb'
      }
    },
    {
      key: Buffer.from('0102030405060708090a0b0c0d0e0f10111213141516171819',
                       'hex'),
      data: Buffer.from('cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdc' +
                        'dcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd',
                        'hex'),
      hmac: {
        sha224: '6c11506874013cac6a2abc1bb382627cec6a90d86efc012de7afec5a',
        sha256:
            '82558a389a443c0ea4cc819899f2083a85f0faa3e578f8077a2e3ff4' +
            '6729665b',
        sha384:
            '3e8a69b7783c25851933ab6290af6ca77a9981480850009cc5577c6e' +
            '1f573b4e6801dd23c4a7d679ccf8a386c674cffb',
        sha512:
            'b0ba465637458c6990e5a8c5f61d4af7e576d97ff94b872de76f8050' +
            '361ee3dba91ca5c11aa25eb4d679275cc5788063a5f19741120c4f2d' +
            'e2adebeb10a298dd'
      }
    },
    {
      key: Buffer.from('0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c', 'hex'),
      // 'Test With Truncation'
      data: Buffer.from('546573742057697468205472756e636174696f6e', 'hex'),
      hmac: {
        sha224: '0e2aea68a90c8d37c988bcdb9fca6fa8',
        sha256: 'a3b6167473100ee06e0c796c2955552b',
        sha384: '3abf34c3503b2a23a46efc619baef897',
        sha512: '415fad6271580a531d4179bc891d87a6'
      },
      truncate: true
    },
    {
      key: Buffer.from('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' +
                       'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' +
                       'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' +
                       'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' +
                       'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' +
                       'aaaaaaaaaaaa', 'hex'),
      // 'Test Using Larger Than Block-Size Key - Hash Key First'
      data: Buffer.from('54657374205573696e67204c6172676572205468616e20426' +
                        'c6f636b2d53697a65204b6579202d2048617368204b657920' +
                        '4669727374', 'hex'),
      hmac: {
        sha224: '95e9a0db962095adaebe9b2d6f0dbce2d499f112f2d2b7273fa6870e',
        sha256:
            '60e431591ee0b67f0d8a26aacbf5b77f8e0bc6213728c5140546040f' +
            '0ee37f54',
        sha384:
            '4ece084485813e9088d2c63a041bc5b44f9ef1012a2b588f3cd11f05' +
            '033ac4c60c2ef6ab4030fe8296248df163f44952',
        sha512:
            '80b24263c7c1a3ebb71493c1dd7be8b49b46d1f41b4aeec1121b0137' +
            '83f8f3526b56d037e05f2598bd0fd2215d6a1e5295e64f73f63f0aec' +
            '8b915a985d786598'
      }
    },
    {
      key: Buffer.from('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' +
                       'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' +
                       'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' +
                       'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' +
                       'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' +
                       'aaaaaaaaaaaa', 'hex'),
      // 'This is a test using a larger than block-size key and a larger ' +
      // 'than block-size data. The key needs to be hashed before being ' +
      // 'used by the HMAC algorithm.'
      data: Buffer.from('5468697320697320612074657374207573696e672061206c6' +
                        '172676572207468616e20626c6f636b2d73697a65206b6579' +
                        '20616e642061206c6172676572207468616e20626c6f636b2' +
                        'd73697a6520646174612e20546865206b6579206e65656473' +
                        '20746f20626520686173686564206265666f7265206265696' +
                        'e6720757365642062792074686520484d414320616c676f72' +
                        '6974686d2e', 'hex'),
      hmac: {
        sha224: '3a854166ac5d9f023f54d517d0b39dbd946770db9c2b95c9f6f565d1',
        sha256:
            '9b09ffa71b942fcb27635fbcd5b0e944bfdc63644f0713938a7f5153' +
            '5c3a35e2',
        sha384:
            '6617178e941f020d351e2f254e8fd32c602420feb0b8fb9adccebb82' +
            '461e99c5a678cc31e799176d3860e6110c46523e',
        sha512:
            'e37b6a775dc87dbaa4dfa9f96e5e3ffddebd71f8867289865df5a32d' +
            '20cdc944b6022cac3c4982b10d5eeb55c3e4de15134676fb6de04460' +
            '65c97440fa8c6a58'
      }
    }
  ];

  for (const testCase of rfc4231) {
    for (const hash in testCase.hmac) {
      let result = crypto.createHmac(hash, testCase.key)
                       .update(testCase.data)
                       .digest('hex');
      if (testCase.truncate) {
        result = result.substr(0, 32); // first 128 bits == 32 hex chars
      }
      assert.strictEqual(
        testCase.hmac[hash],
        result
      );
    }
  }
}

// Test HMAC-MD5/SHA1 (rfc 2202 Test Cases)
{
  const rfc2202_md5 = [
    {
      key: Buffer.from('0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b', 'hex'),
      data: 'Hi There',
      hmac: '9294727a3638bb1c13f48ef8158bfc9d'
    },
    {
      key: 'Jefe',
      data: 'what do ya want for nothing?',
      hmac: '750c783e6ab0b503eaa86e310a5db738'
    },
    {
      key: Buffer.from('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'hex'),
      data: Buffer.from('ddddddddddddddddddddddddddddddddddddddddddddddddd' +
                        'ddddddddddddddddddddddddddddddddddddddddddddddddddd',
                        'hex'),
      hmac: '56be34521d144c88dbb8c733f0e8b3f6'
    },
    {
      key: Buffer.from('0102030405060708090a0b0c0d0e0f10111213141516171819',
                       'hex'),
      data: Buffer.from('cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdc' +
                        'dcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd' +
                        'cdcdcdcdcd',
                        'hex'),
      hmac: '697eaf0aca3a3aea3a75164746ffaa79'
    },
    {
      key: Buffer.from('0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c', 'hex'),
      data: 'Test With Truncation',
      hmac: '56461ef2342edc00f9bab995690efd4c'
    },
    {
      key: Buffer.from('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' +
                       'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' +
                       'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' +
                       'aaaaaaaaaaaaaaaaaaaaaa',
                       'hex'),
      data: 'Test Using Larger Than Block-Size Key - Hash Key First',
      hmac: '6b1ab7fe4bd7bf8f0b62e6ce61b9d0cd'
    },
    {
      key: Buffer.from('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' +
                       'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' +
                       'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' +
                       'aaaaaaaaaaaaaaaaaaaaaa',
                       'hex'),
      data:
          'Test Using Larger Than Block-Size Key and Larger Than One ' +
          'Block-Size Data',
      hmac: '6f630fad67cda0ee1fb1f562db3aa53e'
    }
  ];
  const rfc2202_sha1 = [
    {
      key: Buffer.from('0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b', 'hex'),
      data: 'Hi There',
      hmac: 'b617318655057264e28bc0b6fb378c8ef146be00'
    },
    {
      key: 'Jefe',
      data: 'what do ya want for nothing?',
      hmac: 'effcdf6ae5eb2fa2d27416d5f184df9c259a7c79'
    },
    {
      key: Buffer.from('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'hex'),
      data: Buffer.from('ddddddddddddddddddddddddddddddddddddddddddddd' +
                        'ddddddddddddddddddddddddddddddddddddddddddddd' +
                        'dddddddddd',
                        'hex'),
      hmac: '125d7342b9ac11cd91a39af48aa17b4f63f175d3'
    },
    {
      key: Buffer.from('0102030405060708090a0b0c0d0e0f10111213141516171819',
                       'hex'),
      data: Buffer.from('cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdc' +
                        'dcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd' +
                        'cdcdcdcdcd',
                        'hex'),
      hmac: '4c9007f4026250c6bc8414f9bf50c86c2d7235da'
    },
    {
      key: Buffer.from('0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c', 'hex'),
      data: 'Test With Truncation',
      hmac: '4c1a03424b55e07fe7f27be1d58bb9324a9a5a04'
    },
    {
      key: Buffer.from('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' +
                       'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' +
                       'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' +
                       'aaaaaaaaaaaaaaaaaaaaaa',
                       'hex'),
      data: 'Test Using Larger Than Block-Size Key - Hash Key First',
      hmac: 'aa4ae5e15272d00e95705637ce8a3b55ed402112'
    },
    {
      key: Buffer.from('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' +
                       'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' +
                       'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' +
                       'aaaaaaaaaaaaaaaaaaaaaa',
                       'hex'),
      data:
          'Test Using Larger Than Block-Size Key and Larger Than One ' +
          'Block-Size Data',
      hmac: 'e8e99d0f45237d786d6bbaa7965c7808bbff1a91'
    }
  ];

  if (!common.hasFipsCrypto) {
    for (const testCase of rfc2202_md5) {
      assert.strictEqual(
        testCase.hmac,
        crypto.createHmac('md5', testCase.key)
          .update(testCase.data)
          .digest('hex')
      );
    }
  }
  for (const testCase of rfc2202_sha1) {
    assert.strictEqual(
      testCase.hmac,
      crypto.createHmac('sha1', testCase.key)
        .update(testCase.data)
        .digest('hex')
    );
  }
}

// Test hashing
{
  const a1 = crypto.createHash('sha1').update('Test123').digest('hex');
  const a2 = crypto.createHash('sha256').update('Test123').digest('base64');
  const a3 = crypto.createHash('sha512').update('Test123').digest(); // binary
  const a4 = crypto.createHash('sha1').update('Test123').digest('buffer');

  if (!common.hasFipsCrypto) {
    const a0 = crypto.createHash('md5').update('Test123').digest('latin1');
    assert.strictEqual(
      a0,
      'h\u00ea\u00cb\u0097\u00d8o\fF!\u00fa+\u000e\u0017\u00ca\u00bd\u008c'
    );
  }

  assert.strictEqual(a1, '8308651804facb7b9af8ffc53a33a22d6a1c8ac2');

  assert.strictEqual(a2, '2bX1jws4GYKTlxhloUB09Z66PoJZW+y+hq5R8dnx9l4=');

  // Test SHA512 as assumed latin1
  assert.strictEqual(
    a3,
    '\u00c1(4\u00f1\u0003\u001fd\u0097!O\'\u00d4C/&Qz\u00d4' +
    '\u0094\u0015l\u00b8\u008dQ+\u00db\u001d\u00c4\u00b5}\u00b2' +
    '\u00d6\u0092\u00a3\u00df\u00a2i\u00a1\u009b\n\n*\u000f' +
    '\u00d7\u00d6\u00a2\u00a8\u0085\u00e3<\u0083\u009c\u0093' +
    '\u00c2\u0006\u00da0\u00a1\u00879(G\u00ed\''
  );

  assert.deepStrictEqual(
    a4,
    Buffer.from('8308651804facb7b9af8ffc53a33a22d6a1c8ac2', 'hex')
  );
}

// Test multiple updates to same hash
{
  const h1 = crypto.createHash('sha1').update('Test123').digest('hex');
  const h2 = crypto.createHash('sha1').update('Test').update('123')
    .digest('hex');
  assert.strictEqual(h1, h2);
}

// Test hashing for binary files
{
  const fn = fixtures.path('sample.png');
  const sha1Hash = crypto.createHash('sha1');
  const fileStream = fs.createReadStream(fn);
  fileStream.on('data', function(data) {
    sha1Hash.update(data);
  });
  fileStream.on('close', common.mustCall(function() {
    assert.strictEqual(
      sha1Hash.digest('hex'),
      '22723e553129a336ad96e10f6aecdf0f45e4149e'
    );
  }));
}

// Unknown digest method should throw an error:
// https://github.com/nodejs/node-v0.x-archive/issues/2227
assert.throws(function() {
  crypto.createHash('xyzzy');
}, /^Error: Digest method not supported$/);

// Test signing and verifying
{
  const s1 = crypto.createSign('SHA1')
                 .update('Test123')
                 .sign(keyPem, 'base64');
  const s1Verified = crypto.createVerify('SHA1')
                         .update('Test')
                         .update('123')
                         .verify(certPem, s1, 'base64');
  assert.strictEqual(s1Verified, true);

  const s2 = crypto.createSign('SHA256')
                 .update('Test123')
                 .sign(keyPem); // binary
  const s2Verified = crypto.createVerify('SHA256')
                         .update('Test')
                         .update('123')
                         .verify(certPem, s2); // binary
  assert.strictEqual(s2Verified, true);

  const s3 = crypto.createSign('SHA1')
                 .update('Test123')
                 .sign(keyPem, 'buffer');
  const s3Verified = crypto.createVerify('SHA1')
                         .update('Test')
                         .update('123')
                         .verify(certPem, s3);
  assert.strictEqual(s3Verified, true);
}


function testCipher1(key) {
  // Test encryption and decryption
  const plaintext = 'Keep this a secret? No! Tell everyone about node.js!';
  const cipher = crypto.createCipher('aes192', key);

  // encrypt plaintext which is in utf8 format
  // to a ciphertext which will be in hex
  let ciph = cipher.update(plaintext, 'utf8', 'hex');
  // Only use binary or hex, not base64.
  ciph += cipher.final('hex');

  const decipher = crypto.createDecipher('aes192', key);
  let txt = decipher.update(ciph, 'hex', 'utf8');
  txt += decipher.final('utf8');

  assert.strictEqual(txt, plaintext);
}


function testCipher2(key) {
  // encryption and decryption with Base64
  // reported in https://github.com/joyent/node/issues/738
  const plaintext =
      '32|RmVZZkFUVmpRRkp0TmJaUm56ZU9qcnJkaXNNWVNpTTU*|iXmckfRWZBGWWELw' +
      'eCBsThSsfUHLeRe0KCsK8ooHgxie0zOINpXxfZi/oNG7uq9JWFVCk70gfzQH8ZUJ' +
      'jAfaFg**';
  const cipher = crypto.createCipher('aes256', key);

  // encrypt plaintext which is in utf8 format
  // to a ciphertext which will be in Base64
  let ciph = cipher.update(plaintext, 'utf8', 'base64');
  ciph += cipher.final('base64');

  const decipher = crypto.createDecipher('aes256', key);
  let txt = decipher.update(ciph, 'base64', 'utf8');
  txt += decipher.final('utf8');

  assert.strictEqual(txt, plaintext);
}


function testCipher3(key, iv) {
  // Test encryption and decryption with explicit key and iv
  const plaintext =
      '32|RmVZZkFUVmpRRkp0TmJaUm56ZU9qcnJkaXNNWVNpTTU*|iXmckfRWZBGWWELw' +
      'eCBsThSsfUHLeRe0KCsK8ooHgxie0zOINpXxfZi/oNG7uq9JWFVCk70gfzQH8ZUJ' +
      'jAfaFg**';
  const cipher = crypto.createCipheriv('des-ede3-cbc', key, iv);
  let ciph = cipher.update(plaintext, 'utf8', 'hex');
  ciph += cipher.final('hex');

  const decipher = crypto.createDecipheriv('des-ede3-cbc', key, iv);
  let txt = decipher.update(ciph, 'hex', 'utf8');
  txt += decipher.final('utf8');

  assert.strictEqual(txt, plaintext);
}


function testCipher4(key, iv) {
  // Test encryption and decryption with explicit key and iv
  const plaintext =
      '32|RmVZZkFUVmpRRkp0TmJaUm56ZU9qcnJkaXNNWVNpTTU*|iXmckfRWZBGWWELw' +
      'eCBsThSsfUHLeRe0KCsK8ooHgxie0zOINpXxfZi/oNG7uq9JWFVCk70gfzQH8ZUJ' +
      'jAfaFg**';
  const cipher = crypto.createCipheriv('des-ede3-cbc', key, iv);
  let ciph = cipher.update(plaintext, 'utf8', 'buffer');
  ciph = Buffer.concat([ciph, cipher.final('buffer')]);

  const decipher = crypto.createDecipheriv('des-ede3-cbc', key, iv);
  let txt = decipher.update(ciph, 'buffer', 'utf8');
  txt += decipher.final('utf8');

  assert.strictEqual(txt, plaintext);
}


function testCipher5(key, iv) {
  // Test encryption and decryption with explicit key with aes128-wrap
  const plaintext =
      '32|RmVZZkFUVmpRRkp0TmJaUm56ZU9qcnJkaXNNWVNpTTU*|iXmckfRWZBGWWELw' +
      'eCBsThSsfUHLeRe0KCsK8ooHgxie0zOINpXxfZi/oNG7uq9JWFVCk70gfzQH8ZUJ' +
      'jAfaFg**';
  const cipher = crypto.createCipher('id-aes128-wrap', key);
  let ciph = cipher.update(plaintext, 'utf8', 'buffer');
  ciph = Buffer.concat([ciph, cipher.final('buffer')]);

  const decipher = crypto.createDecipher('id-aes128-wrap', key);
  let txt = decipher.update(ciph, 'buffer', 'utf8');
  txt += decipher.final('utf8');

  assert.strictEqual(txt, plaintext);
}

if (!common.hasFipsCrypto) {
  testCipher1('MySecretKey123');
  testCipher1(Buffer.from('MySecretKey123'));

  testCipher2('0123456789abcdef');
  testCipher2(Buffer.from('0123456789abcdef'));

  testCipher5(Buffer.from('0123456789abcd0123456789'));
}

testCipher3('0123456789abcd0123456789', '12345678');
testCipher3('0123456789abcd0123456789', Buffer.from('12345678'));
testCipher3(Buffer.from('0123456789abcd0123456789'), '12345678');
testCipher3(Buffer.from('0123456789abcd0123456789'), Buffer.from('12345678'));

testCipher4(Buffer.from('0123456789abcd0123456789'), Buffer.from('12345678'));


// update() should only take buffers / strings
common.expectsError(
  () => crypto.createHash('sha1').update({ foo: 'bar' }),
  {
    code: 'ERR_INVALID_ARG_TYPE',
    type: TypeError
  });


// Test Diffie-Hellman with two parties sharing a secret,
// using various encodings as we go along
{
  const dh1 = crypto.createDiffieHellman(common.hasFipsCrypto ? 1024 : 256);
  const p1 = dh1.getPrime('buffer');
  const dh2 = crypto.createDiffieHellman(p1, 'base64');
  const key1 = dh1.generateKeys();
  const key2 = dh2.generateKeys('hex');
  const secret1 = dh1.computeSecret(key2, 'hex', 'base64');
  const secret2 = dh2.computeSecret(key1, 'latin1', 'buffer');

  assert.strictEqual(secret1, secret2.toString('base64'));

  // Create "another dh1" using generated keys from dh1,
  // and compute secret again
  const dh3 = crypto.createDiffieHellman(p1, 'buffer');
  const privkey1 = dh1.getPrivateKey();
  dh3.setPublicKey(key1);
  dh3.setPrivateKey(privkey1);

  assert.strictEqual(dh1.getPrime(), dh3.getPrime());
  assert.strictEqual(dh1.getGenerator(), dh3.getGenerator());
  assert.strictEqual(dh1.getPublicKey(), dh3.getPublicKey());
  assert.strictEqual(dh1.getPrivateKey(), dh3.getPrivateKey());

  const secret3 = dh3.computeSecret(key2, 'hex', 'base64');

  assert.strictEqual(secret1, secret3);

  // https://github.com/joyent/node/issues/2338
  const p = 'FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74' +
            '020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F1437' +
            '4FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED' +
            'EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381FFFFFFFFFFFFFFFF';
  const d = crypto.createDiffieHellman(p, 'hex');
  assert.strictEqual(d.verifyError, DH_NOT_SUITABLE_GENERATOR);

  // Test RSA key signing/verification
  const rsaSign = crypto.createSign('SHA1');
  const rsaVerify = crypto.createVerify('SHA1');
  assert.ok(rsaSign instanceof crypto.Sign);
  assert.ok(rsaVerify instanceof crypto.Verify);

  rsaSign.update(rsaPubPem);
  const rsaSignature = rsaSign.sign(rsaKeyPem, 'hex');
  assert.strictEqual(
    rsaSignature,
    '5c50e3145c4e2497aadb0eabc83b342d0b0021ece0d4c4a064b7c' +
    '8f020d7e2688b122bfb54c724ac9ee169f83f66d2fe90abeb95e8' +
    'e1290e7e177152a4de3d944cf7d4883114a20ed0f78e70e25ef0f' +
    '60f06b858e6af42a2f276ede95bbc6bc9a9bbdda15bd663186a6f' +
    '40819a7af19e577bb2efa5e579a1f5ce8a0d4ca8b8f6'
  );

  rsaVerify.update(rsaPubPem);
  assert.strictEqual(rsaVerify.verify(rsaPubPem, rsaSignature, 'hex'), true);
}

//
// Test RSA signing and verification
//
{
  const privateKey = fixtures.readSync('test_rsa_privkey_2.pem');
  const publicKey = fixtures.readSync('test_rsa_pubkey_2.pem');

  const input = 'I AM THE WALRUS';

  const signature =
      '79d59d34f56d0e94aa6a3e306882b52ed4191f07521f25f505a078dc2f89' +
      '396e0c8ac89e996fde5717f4cb89199d8fec249961fcb07b74cd3d2a4ffa' +
      '235417b69618e4bcd76b97e29975b7ce862299410e1b522a328e44ac9bb2' +
      '8195e0268da7eda23d9825ac43c724e86ceeee0d0d4465678652ccaf6501' +
      '0ddfb299bedeb1ad';

  const sign = crypto.createSign('SHA256');
  sign.update(input);

  const output = sign.sign(privateKey, 'hex');
  assert.strictEqual(output, signature);

  const verify = crypto.createVerify('SHA256');
  verify.update(input);

  assert.strictEqual(verify.verify(publicKey, signature, 'hex'), true);
}


//
// Test DSA signing and verification
//
{
  const privateKey = fixtures.readSync('test_dsa_privkey.pem');
  const publicKey = fixtures.readSync('test_dsa_pubkey.pem');

  const input = 'I AM THE WALRUS';

  // DSA signatures vary across runs so there is no static string to verify
  // against
  const sign = crypto.createSign('SHA1');
  sign.update(input);
  const signature = sign.sign(privateKey, 'hex');

  const verify = crypto.createVerify('SHA1');
  verify.update(input);

  assert.strictEqual(verify.verify(publicKey, signature, 'hex'), true);
}


//
// 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, expected);

  const cb = common.mustCall((err, actual) => {
    assert.strictEqual(actual, expected);
  });
  crypto.pbkdf2(password, salt, iterations, keylen, 'sha256', cb);
}


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');