mirror of https://github.com/google/oss-fuzz.git
40 lines
1.1 KiB
JavaScript
40 lines
1.1 KiB
JavaScript
// Copyright 2023 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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////////////////////////////////////////////////////////////////////////////////
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/**
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* @param {number} n
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*/
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function encrypt(n) {
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return n ^ 0x11223344;
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}
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/**
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* @param { Buffer } data
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*/
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module.exports.fuzz = function (data) {
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if (data.length < 16) {
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return;
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}
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if (
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encrypt(data.readInt32BE(0)) === 0x50555637 &&
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encrypt(data.readInt32BE(4)) === 0x7e4f5664 &&
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encrypt(data.readInt32BE(8)) === 0x5757493e &&
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encrypt(data.readInt32BE(12)) === 0x784c5465
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) {
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throw Error("XOR with a constant is not a secure encryption method ;-)");
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}
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};
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