Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 17x 60x 60x 1x 1x 1x 60x 60x 60x 60x 60x 60x 60x 60x 60x 60x 60x 60x 60x 60x 60x 60x 34x 34x 34x 34x 34x 34x 60x 60x 60x 60x 17x 54x 54x 54x 54x 54x 54x 54x 54x 54x 54x 54x 54x 54x 54x 54x 54x 54x 54x 54x 54x 17x 114x 114x 114x 114x 114x 114x 114x 114x 114x 114x 17x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 17x 17x 17x 17x 17x 17x | 'use strict';
const {
FunctionPrototypeCall,
Promise,
} = primordials;
const { Buffer } = require('buffer');
const {
PBKDF2Job,
kCryptoJobAsync,
kCryptoJobSync,
} = internalBinding('crypto');
const {
validateFunction,
validateInteger,
validateString,
validateUint32,
} = require('internal/validators');
const { ERR_MISSING_OPTION } = require('internal/errors').codes;
const {
getArrayBufferOrView,
getDefaultEncoding,
normalizeHashName,
kKeyObject,
} = require('internal/crypto/util');
const {
lazyDOMException,
} = require('internal/util');
function pbkdf2(password, salt, iterations, keylen, digest, callback) {
if (typeof digest === 'function') {
callback = digest;
digest = undefined;
}
({ password, salt, iterations, keylen, digest } =
check(password, salt, iterations, keylen, digest));
validateFunction(callback, 'callback');
const job = new PBKDF2Job(
kCryptoJobAsync,
password,
salt,
iterations,
keylen,
digest);
const encoding = getDefaultEncoding();
job.ondone = (err, result) => {
if (err !== undefined)
return FunctionPrototypeCall(callback, job, err);
const buf = Buffer.from(result);
if (encoding === 'buffer')
return FunctionPrototypeCall(callback, job, null, buf);
FunctionPrototypeCall(callback, job, null, buf.toString(encoding));
};
job.run();
}
function pbkdf2Sync(password, salt, iterations, keylen, digest) {
({ password, salt, iterations, keylen, digest } =
check(password, salt, iterations, keylen, digest));
const job = new PBKDF2Job(
kCryptoJobSync,
password,
salt,
iterations,
keylen,
digest);
const { 0: err, 1: result } = job.run();
if (err !== undefined)
throw err;
const buf = Buffer.from(result);
const encoding = getDefaultEncoding();
return encoding === 'buffer' ? buf : buf.toString(encoding);
}
function check(password, salt, iterations, keylen, digest) {
validateString(digest, 'digest');
password = getArrayBufferOrView(password, 'password');
salt = getArrayBufferOrView(salt, 'salt');
validateUint32(iterations, 'iterations', true);
validateUint32(keylen, 'keylen');
return { password, salt, iterations, keylen, digest };
}
async function pbkdf2DeriveBits(algorithm, baseKey, length) {
validateUint32(length, 'length');
const { iterations } = algorithm;
let { hash } = algorithm;
const salt = getArrayBufferOrView(algorithm.salt, 'algorithm.salt');
if (hash === undefined)
throw new ERR_MISSING_OPTION('algorithm.hash');
validateInteger(iterations, 'algorithm.iterations', 1);
hash = normalizeHashName(hash.name);
const raw = baseKey[kKeyObject].export();
let byteLength = 64; // the default
if (length !== undefined) {
if (length === 0)
throw lazyDOMException('length cannot be zero', 'OperationError');
if (length % 8) {
throw lazyDOMException(
'length must be a multiple of 8',
'OperationError');
}
byteLength = length / 8;
}
return new Promise((resolve, reject) => {
pbkdf2(raw, salt, iterations, byteLength, hash, (err, result) => {
if (err) return reject(err);
resolve(result.buffer);
});
});
}
module.exports = {
pbkdf2,
pbkdf2Sync,
pbkdf2DeriveBits,
};
|