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// 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.
// Note: In 0.8 and before, crypto functions all defaulted to using
// binary-encoded strings rather than buffers.
'use strict';
const {
ObjectDefineProperty,
ObjectDefineProperties,
} = primordials;
const {
assertCrypto,
deprecate
} = require('internal/util');
assertCrypto();
const {
ERR_CRYPTO_FIPS_FORCED,
ERR_CRYPTO_FIPS_UNAVAILABLE
} = require('internal/errors').codes;
const constants = internalBinding('constants').crypto;
const { getOptionValue } = require('internal/options');
const pendingDeprecation = getOptionValue('--pending-deprecation');
const { fipsMode } = internalBinding('config');
const fipsForced = getOptionValue('--force-fips');
const {
getFipsCrypto,
setFipsCrypto,
timingSafeEqual,
} = internalBinding('crypto');
const {
randomBytes,
randomFill,
randomFillSync,
randomInt,
randomUUID,
} = require('internal/crypto/random');
const {
pbkdf2,
pbkdf2Sync
} = require('internal/crypto/pbkdf2');
const {
scrypt,
scryptSync
} = require('internal/crypto/scrypt');
const {
generateKeyPair,
generateKeyPairSync
} = require('internal/crypto/keygen');
const {
createSecretKey,
createPublicKey,
createPrivateKey,
KeyObject,
} = require('internal/crypto/keys');
const {
DiffieHellman,
DiffieHellmanGroup,
ECDH,
diffieHellman
} = require('internal/crypto/diffiehellman');
const {
Cipher,
Cipheriv,
Decipher,
Decipheriv,
privateDecrypt,
privateEncrypt,
publicDecrypt,
publicEncrypt
} = require('internal/crypto/cipher');
const {
Sign,
signOneShot,
Verify,
verifyOneShot
} = require('internal/crypto/sig');
const {
Hash,
Hmac
} = require('internal/crypto/hash');
const {
getCiphers,
getCurves,
getDefaultEncoding,
getHashes,
setDefaultEncoding,
setEngine,
} = require('internal/crypto/util');
const Certificate = require('internal/crypto/certificate');
// These helper functions are needed because the constructors can
// use new, in which case V8 cannot inline the recursive constructor call
function createHash(algorithm, options) {
return new Hash(algorithm, options);
}
function createCipher(cipher, password, options) {
return new Cipher(cipher, password, options);
}
function createCipheriv(cipher, key, iv, options) {
return new Cipheriv(cipher, key, iv, options);
}
function createDecipher(cipher, password, options) {
return new Decipher(cipher, password, options);
}
function createDecipheriv(cipher, key, iv, options) {
return new Decipheriv(cipher, key, iv, options);
}
function createDiffieHellman(sizeOrKey, keyEncoding, generator, genEncoding) {
return new DiffieHellman(sizeOrKey, keyEncoding, generator, genEncoding);
}
function createDiffieHellmanGroup(name) {
return new DiffieHellmanGroup(name);
}
function createECDH(curve) {
return new ECDH(curve);
}
function createHmac(hmac, key, options) {
return new Hmac(hmac, key, options);
}
function createSign(algorithm, options) {
return new Sign(algorithm, options);
}
function createVerify(algorithm, options) {
return new Verify(algorithm, options);
}
module.exports = {
// Methods
createCipheriv,
createDecipheriv,
createDiffieHellman,
createDiffieHellmanGroup,
createECDH,
createHash,
createHmac,
createPrivateKey,
createPublicKey,
createSecretKey,
createSign,
createVerify,
diffieHellman,
getCiphers,
getCurves,
getDiffieHellman: createDiffieHellmanGroup,
getHashes,
pbkdf2,
pbkdf2Sync,
generateKeyPair,
generateKeyPairSync,
privateDecrypt,
privateEncrypt,
publicDecrypt,
publicEncrypt,
randomBytes,
randomFill,
randomFillSync,
randomInt,
randomUUID,
scrypt,
scryptSync,
sign: signOneShot,
setEngine,
timingSafeEqual,
getFips: !fipsMode ? getFipsDisabled :
fipsForced ? getFipsForced : getFipsCrypto,
setFips: !fipsMode ? setFipsDisabled :
fipsForced ? setFipsForced : setFipsCrypto,
verify: verifyOneShot,
// Classes
Certificate,
Cipher,
Cipheriv,
Decipher,
Decipheriv,
DiffieHellman,
DiffieHellmanGroup,
ECDH,
Hash,
Hmac,
KeyObject,
Sign,
Verify
};
function setFipsDisabled() {
throw new ERR_CRYPTO_FIPS_UNAVAILABLE();
}
function setFipsForced(val) {
if (val) return;
throw new ERR_CRYPTO_FIPS_FORCED();
}
function getFipsDisabled() {
return 0;
}
function getFipsForced() {
return 1;
}
ObjectDefineProperty(constants, 'defaultCipherList', {
value: getOptionValue('--tls-cipher-list')
});
ObjectDefineProperties(module.exports, {
createCipher: {
enumerable: false,
value: deprecate(createCipher,
'crypto.createCipher is deprecated.', 'DEP0106')
},
createDecipher: {
enumerable: false,
value: deprecate(createDecipher,
'crypto.createDecipher is deprecated.', 'DEP0106')
},
// crypto.fips is deprecated. DEP0093. Use crypto.getFips()/crypto.setFips()
fips: {
get: !fipsMode ? getFipsDisabled :
fipsForced ? getFipsForced : getFipsCrypto,
set: !fipsMode ? setFipsDisabled :
fipsForced ? setFipsForced : setFipsCrypto
},
DEFAULT_ENCODING: {
enumerable: false,
configurable: true,
get: deprecate(getDefaultEncoding,
'crypto.DEFAULT_ENCODING is deprecated.', 'DEP0091'),
set: deprecate(setDefaultEncoding,
'crypto.DEFAULT_ENCODING is deprecated.', 'DEP0091')
},
constants: {
configurable: false,
enumerable: true,
value: constants
},
// Aliases for randomBytes are deprecated.
// The ecosystem needs those to exist for backwards compatibility.
prng: {
enumerable: false,
configurable: true,
writable: true,
value: pendingDeprecation ?
deprecate(randomBytes, 'crypto.prng is deprecated.', 'DEP0115') :
randomBytes
},
pseudoRandomBytes: {
enumerable: false,
configurable: true,
writable: true,
value: pendingDeprecation ?
deprecate(randomBytes,
'crypto.pseudoRandomBytes is deprecated.', 'DEP0115') :
randomBytes
},
rng: {
enumerable: false,
configurable: true,
writable: true,
value: pendingDeprecation ?
deprecate(randomBytes, 'crypto.rng is deprecated.', 'DEP0115') :
randomBytes
}
});
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