Initial commit
This commit is contained in:
t3xhno
commit
d3423779dc
2
.gitignore
vendored
Normal file
2
.gitignore
vendored
Normal file
@ -0,0 +1,2 @@
|
||||
node_modules/
|
||||
.idea/
|
||||
14
README.md
Normal file
14
README.md
Normal file
@ -0,0 +1,14 @@
|
||||
# Crypto Pals
|
||||
My attempts at the [CryptoPals](https://cryptopals.com/) challenges.
|
||||
|
||||
Stack: Node.js with Typescript, using TDD.
|
||||
|
||||
## Initialization
|
||||
```bash
|
||||
npm i
|
||||
```
|
||||
|
||||
## Run tests:
|
||||
```bash
|
||||
npm test
|
||||
```
|
||||
92
basics.ts
Normal file
92
basics.ts
Normal file
@ -0,0 +1,92 @@
|
||||
import { range, englishFreqs } from './utils';
|
||||
|
||||
type HexToBuff = (hex: string) => Buffer;
|
||||
export const hexToBuff: HexToBuff = (hex) => Buffer.from(hex, 'hex');
|
||||
|
||||
type BuffTo64 = (buff: Buffer) => string;
|
||||
export const buffTo64: BuffTo64 = (buff) => buff.toString('base64');
|
||||
|
||||
type XorBuffers = (buff1: Buffer, buff2: Buffer) => Buffer;
|
||||
export const xorBuffers: XorBuffers = (buff1, buff2) => {
|
||||
const resBuff = Buffer.alloc(buff1.length);
|
||||
range(0, buff1.length).forEach(i => {
|
||||
resBuff[i] = buff1[i] ^ buff2[i];
|
||||
});
|
||||
return resBuff;
|
||||
};
|
||||
|
||||
type EncryptSingleByte = (msg: Buffer, key: number) => Buffer;
|
||||
export const encryptSingleByte: EncryptSingleByte = (msg, key) => {
|
||||
const resBuffer = Buffer.alloc(msg.length);
|
||||
range(0, msg.length).forEach(i => {
|
||||
resBuffer[i] = msg[i] ^ key;
|
||||
});
|
||||
return resBuffer;
|
||||
};
|
||||
|
||||
type DecryptSingleByte = (msg: Buffer, key: number) => Buffer;
|
||||
export const decryptSingleByte: DecryptSingleByte = (msg, key) => {
|
||||
const resBuffer = Buffer.alloc(msg.length);
|
||||
range(0, msg.length).forEach(i => {
|
||||
resBuffer[i] = msg[i] ^ key;
|
||||
});
|
||||
return resBuffer;
|
||||
};
|
||||
|
||||
type EnglishByteFreqs = () => { [id: number]: number };
|
||||
const englishByteFreqs: EnglishByteFreqs = () => {
|
||||
const byteFreqs = {} as { [id: number]: number };
|
||||
range(0, 255).forEach(i => byteFreqs[i] = 0);
|
||||
|
||||
Object.keys(englishFreqs).forEach(k => byteFreqs[k] = englishFreqs[k]);
|
||||
|
||||
return byteFreqs;
|
||||
};
|
||||
|
||||
type ByteFreqs = (buff: Buffer) => { [id: number]: number };
|
||||
const byteFreqs: ByteFreqs = (buff) => {
|
||||
const freqs = {} as { [id: number]: number };
|
||||
let n = 0;
|
||||
range(0, 255).forEach(i => freqs[i] = 0);
|
||||
|
||||
buff.forEach(b => {
|
||||
freqs[b]++;
|
||||
n++;
|
||||
});
|
||||
|
||||
Object.keys(freqs).forEach(b => freqs[b] = freqs[b] / n);
|
||||
|
||||
return freqs;
|
||||
};
|
||||
|
||||
type ScoreBuffer = (buff: Buffer) => number;
|
||||
export const scoreBuffer: ScoreBuffer = (buff) => {
|
||||
const msgLower = Buffer.from(buff.toString('utf-8').toLowerCase(), 'utf-8');
|
||||
const engBFreqs = englishByteFreqs();
|
||||
|
||||
const msgFreq = byteFreqs(msgLower);
|
||||
|
||||
let [cosSimilarity, normMsgFreq, normEngFreq] = [0, 0, 0];
|
||||
|
||||
range(0, 255).forEach(i => {
|
||||
cosSimilarity += msgFreq[i] * engBFreqs[i];
|
||||
normMsgFreq += msgFreq[i] ** 2;
|
||||
normEngFreq += engBFreqs[i] ** 2;
|
||||
});
|
||||
normMsgFreq = Math.sqrt(normMsgFreq);
|
||||
normEngFreq = Math.sqrt(normEngFreq);
|
||||
cosSimilarity /= normMsgFreq * normEngFreq;
|
||||
|
||||
return cosSimilarity;
|
||||
};
|
||||
|
||||
type CrackSingleByteKeyMsg = (msg: string) => string;
|
||||
export const crackSingleByteKeyMsg: CrackSingleByteKeyMsg = (msg) => {
|
||||
const candidates = [] as [number, string][];
|
||||
range(0, 255).forEach(i => {
|
||||
const decrypted = decryptSingleByte(Buffer.from(msg, 'hex'), i);
|
||||
candidates.push([scoreBuffer(decrypted), decrypted.toString('utf-8')]);
|
||||
});
|
||||
candidates.sort((a, b) => b[0] - a[0]);
|
||||
return candidates[0][1];
|
||||
};
|
||||
488
package-lock.json
generated
Normal file
488
package-lock.json
generated
Normal file
@ -0,0 +1,488 @@
|
||||
{
|
||||
"name": "week_1_v2",
|
||||
"lockfileVersion": 3,
|
||||
"requires": true,
|
||||
"packages": {
|
||||
"": {
|
||||
"devDependencies": {
|
||||
"@types/node": "^22.0.0",
|
||||
"tsx": "^4.16.3"
|
||||
}
|
||||
},
|
||||
"node_modules/@esbuild/aix-ppc64": {
|
||||
"version": "0.21.5",
|
||||
"resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.21.5.tgz",
|
||||
"integrity": "sha512-1SDgH6ZSPTlggy1yI6+Dbkiz8xzpHJEVAlF/AM1tHPLsf5STom9rwtjE4hKAF20FfXXNTFqEYXyJNWh1GiZedQ==",
|
||||
"cpu": [
|
||||
"ppc64"
|
||||
],
|
||||
"dev": true,
|
||||
"optional": true,
|
||||
"os": [
|
||||
"aix"
|
||||
],
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
}
|
||||
},
|
||||
"node_modules/@esbuild/android-arm": {
|
||||
"version": "0.21.5",
|
||||
"resolved": "https://registry.npmjs.org/@esbuild/android-arm/-/android-arm-0.21.5.tgz",
|
||||
"integrity": "sha512-vCPvzSjpPHEi1siZdlvAlsPxXl7WbOVUBBAowWug4rJHb68Ox8KualB+1ocNvT5fjv6wpkX6o/iEpbDrf68zcg==",
|
||||
"cpu": [
|
||||
"arm"
|
||||
],
|
||||
"dev": true,
|
||||
"optional": true,
|
||||
"os": [
|
||||
"android"
|
||||
],
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
}
|
||||
},
|
||||
"node_modules/@esbuild/android-arm64": {
|
||||
"version": "0.21.5",
|
||||
"resolved": "https://registry.npmjs.org/@esbuild/android-arm64/-/android-arm64-0.21.5.tgz",
|
||||
"integrity": "sha512-c0uX9VAUBQ7dTDCjq+wdyGLowMdtR/GoC2U5IYk/7D1H1JYC0qseD7+11iMP2mRLN9RcCMRcjC4YMclCzGwS/A==",
|
||||
"cpu": [
|
||||
"arm64"
|
||||
],
|
||||
"dev": true,
|
||||
"optional": true,
|
||||
"os": [
|
||||
"android"
|
||||
],
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
}
|
||||
},
|
||||
"node_modules/@esbuild/android-x64": {
|
||||
"version": "0.21.5",
|
||||
"resolved": "https://registry.npmjs.org/@esbuild/android-x64/-/android-x64-0.21.5.tgz",
|
||||
"integrity": "sha512-D7aPRUUNHRBwHxzxRvp856rjUHRFW1SdQATKXH2hqA0kAZb1hKmi02OpYRacl0TxIGz/ZmXWlbZgjwWYaCakTA==",
|
||||
"cpu": [
|
||||
"x64"
|
||||
],
|
||||
"dev": true,
|
||||
"optional": true,
|
||||
"os": [
|
||||
"android"
|
||||
],
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
}
|
||||
},
|
||||
"node_modules/@esbuild/darwin-arm64": {
|
||||
"version": "0.21.5",
|
||||
"resolved": "https://registry.npmjs.org/@esbuild/darwin-arm64/-/darwin-arm64-0.21.5.tgz",
|
||||
"integrity": "sha512-DwqXqZyuk5AiWWf3UfLiRDJ5EDd49zg6O9wclZ7kUMv2WRFr4HKjXp/5t8JZ11QbQfUS6/cRCKGwYhtNAY88kQ==",
|
||||
"cpu": [
|
||||
"arm64"
|
||||
],
|
||||
"dev": true,
|
||||
"optional": true,
|
||||
"os": [
|
||||
"darwin"
|
||||
],
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
}
|
||||
},
|
||||
"node_modules/@esbuild/darwin-x64": {
|
||||
"version": "0.21.5",
|
||||
"resolved": "https://registry.npmjs.org/@esbuild/darwin-x64/-/darwin-x64-0.21.5.tgz",
|
||||
"integrity": "sha512-se/JjF8NlmKVG4kNIuyWMV/22ZaerB+qaSi5MdrXtd6R08kvs2qCN4C09miupktDitvh8jRFflwGFBQcxZRjbw==",
|
||||
"cpu": [
|
||||
"x64"
|
||||
],
|
||||
"dev": true,
|
||||
"optional": true,
|
||||
"os": [
|
||||
"darwin"
|
||||
],
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
}
|
||||
},
|
||||
"node_modules/@esbuild/freebsd-arm64": {
|
||||
"version": "0.21.5",
|
||||
"resolved": "https://registry.npmjs.org/@esbuild/freebsd-arm64/-/freebsd-arm64-0.21.5.tgz",
|
||||
"integrity": "sha512-5JcRxxRDUJLX8JXp/wcBCy3pENnCgBR9bN6JsY4OmhfUtIHe3ZW0mawA7+RDAcMLrMIZaf03NlQiX9DGyB8h4g==",
|
||||
"cpu": [
|
||||
"arm64"
|
||||
],
|
||||
"dev": true,
|
||||
"optional": true,
|
||||
"os": [
|
||||
"freebsd"
|
||||
],
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
}
|
||||
},
|
||||
"node_modules/@esbuild/freebsd-x64": {
|
||||
"version": "0.21.5",
|
||||
"resolved": "https://registry.npmjs.org/@esbuild/freebsd-x64/-/freebsd-x64-0.21.5.tgz",
|
||||
"integrity": "sha512-J95kNBj1zkbMXtHVH29bBriQygMXqoVQOQYA+ISs0/2l3T9/kj42ow2mpqerRBxDJnmkUDCaQT/dfNXWX/ZZCQ==",
|
||||
"cpu": [
|
||||
"x64"
|
||||
],
|
||||
"dev": true,
|
||||
"optional": true,
|
||||
"os": [
|
||||
"freebsd"
|
||||
],
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
}
|
||||
},
|
||||
"node_modules/@esbuild/linux-arm": {
|
||||
"version": "0.21.5",
|
||||
"resolved": "https://registry.npmjs.org/@esbuild/linux-arm/-/linux-arm-0.21.5.tgz",
|
||||
"integrity": "sha512-bPb5AHZtbeNGjCKVZ9UGqGwo8EUu4cLq68E95A53KlxAPRmUyYv2D6F0uUI65XisGOL1hBP5mTronbgo+0bFcA==",
|
||||
"cpu": [
|
||||
"arm"
|
||||
],
|
||||
"dev": true,
|
||||
"optional": true,
|
||||
"os": [
|
||||
"linux"
|
||||
],
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
}
|
||||
},
|
||||
"node_modules/@esbuild/linux-arm64": {
|
||||
"version": "0.21.5",
|
||||
"resolved": "https://registry.npmjs.org/@esbuild/linux-arm64/-/linux-arm64-0.21.5.tgz",
|
||||
"integrity": "sha512-ibKvmyYzKsBeX8d8I7MH/TMfWDXBF3db4qM6sy+7re0YXya+K1cem3on9XgdT2EQGMu4hQyZhan7TeQ8XkGp4Q==",
|
||||
"cpu": [
|
||||
"arm64"
|
||||
],
|
||||
"dev": true,
|
||||
"optional": true,
|
||||
"os": [
|
||||
"linux"
|
||||
],
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
}
|
||||
},
|
||||
"node_modules/@esbuild/linux-ia32": {
|
||||
"version": "0.21.5",
|
||||
"resolved": "https://registry.npmjs.org/@esbuild/linux-ia32/-/linux-ia32-0.21.5.tgz",
|
||||
"integrity": "sha512-YvjXDqLRqPDl2dvRODYmmhz4rPeVKYvppfGYKSNGdyZkA01046pLWyRKKI3ax8fbJoK5QbxblURkwK/MWY18Tg==",
|
||||
"cpu": [
|
||||
"ia32"
|
||||
],
|
||||
"dev": true,
|
||||
"optional": true,
|
||||
"os": [
|
||||
"linux"
|
||||
],
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
}
|
||||
},
|
||||
"node_modules/@esbuild/linux-loong64": {
|
||||
"version": "0.21.5",
|
||||
"resolved": "https://registry.npmjs.org/@esbuild/linux-loong64/-/linux-loong64-0.21.5.tgz",
|
||||
"integrity": "sha512-uHf1BmMG8qEvzdrzAqg2SIG/02+4/DHB6a9Kbya0XDvwDEKCoC8ZRWI5JJvNdUjtciBGFQ5PuBlpEOXQj+JQSg==",
|
||||
"cpu": [
|
||||
"loong64"
|
||||
],
|
||||
"dev": true,
|
||||
"optional": true,
|
||||
"os": [
|
||||
"linux"
|
||||
],
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
}
|
||||
},
|
||||
"node_modules/@esbuild/linux-mips64el": {
|
||||
"version": "0.21.5",
|
||||
"resolved": "https://registry.npmjs.org/@esbuild/linux-mips64el/-/linux-mips64el-0.21.5.tgz",
|
||||
"integrity": "sha512-IajOmO+KJK23bj52dFSNCMsz1QP1DqM6cwLUv3W1QwyxkyIWecfafnI555fvSGqEKwjMXVLokcV5ygHW5b3Jbg==",
|
||||
"cpu": [
|
||||
"mips64el"
|
||||
],
|
||||
"dev": true,
|
||||
"optional": true,
|
||||
"os": [
|
||||
"linux"
|
||||
],
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
}
|
||||
},
|
||||
"node_modules/@esbuild/linux-ppc64": {
|
||||
"version": "0.21.5",
|
||||
"resolved": "https://registry.npmjs.org/@esbuild/linux-ppc64/-/linux-ppc64-0.21.5.tgz",
|
||||
"integrity": "sha512-1hHV/Z4OEfMwpLO8rp7CvlhBDnjsC3CttJXIhBi+5Aj5r+MBvy4egg7wCbe//hSsT+RvDAG7s81tAvpL2XAE4w==",
|
||||
"cpu": [
|
||||
"ppc64"
|
||||
],
|
||||
"dev": true,
|
||||
"optional": true,
|
||||
"os": [
|
||||
"linux"
|
||||
],
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
}
|
||||
},
|
||||
"node_modules/@esbuild/linux-riscv64": {
|
||||
"version": "0.21.5",
|
||||
"resolved": "https://registry.npmjs.org/@esbuild/linux-riscv64/-/linux-riscv64-0.21.5.tgz",
|
||||
"integrity": "sha512-2HdXDMd9GMgTGrPWnJzP2ALSokE/0O5HhTUvWIbD3YdjME8JwvSCnNGBnTThKGEB91OZhzrJ4qIIxk/SBmyDDA==",
|
||||
"cpu": [
|
||||
"riscv64"
|
||||
],
|
||||
"dev": true,
|
||||
"optional": true,
|
||||
"os": [
|
||||
"linux"
|
||||
],
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
}
|
||||
},
|
||||
"node_modules/@esbuild/linux-s390x": {
|
||||
"version": "0.21.5",
|
||||
"resolved": "https://registry.npmjs.org/@esbuild/linux-s390x/-/linux-s390x-0.21.5.tgz",
|
||||
"integrity": "sha512-zus5sxzqBJD3eXxwvjN1yQkRepANgxE9lgOW2qLnmr8ikMTphkjgXu1HR01K4FJg8h1kEEDAqDcZQtbrRnB41A==",
|
||||
"cpu": [
|
||||
"s390x"
|
||||
],
|
||||
"dev": true,
|
||||
"optional": true,
|
||||
"os": [
|
||||
"linux"
|
||||
],
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
}
|
||||
},
|
||||
"node_modules/@esbuild/linux-x64": {
|
||||
"version": "0.21.5",
|
||||
"resolved": "https://registry.npmjs.org/@esbuild/linux-x64/-/linux-x64-0.21.5.tgz",
|
||||
"integrity": "sha512-1rYdTpyv03iycF1+BhzrzQJCdOuAOtaqHTWJZCWvijKD2N5Xu0TtVC8/+1faWqcP9iBCWOmjmhoH94dH82BxPQ==",
|
||||
"cpu": [
|
||||
"x64"
|
||||
],
|
||||
"dev": true,
|
||||
"optional": true,
|
||||
"os": [
|
||||
"linux"
|
||||
],
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
}
|
||||
},
|
||||
"node_modules/@esbuild/netbsd-x64": {
|
||||
"version": "0.21.5",
|
||||
"resolved": "https://registry.npmjs.org/@esbuild/netbsd-x64/-/netbsd-x64-0.21.5.tgz",
|
||||
"integrity": "sha512-Woi2MXzXjMULccIwMnLciyZH4nCIMpWQAs049KEeMvOcNADVxo0UBIQPfSmxB3CWKedngg7sWZdLvLczpe0tLg==",
|
||||
"cpu": [
|
||||
"x64"
|
||||
],
|
||||
"dev": true,
|
||||
"optional": true,
|
||||
"os": [
|
||||
"netbsd"
|
||||
],
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
}
|
||||
},
|
||||
"node_modules/@esbuild/openbsd-x64": {
|
||||
"version": "0.21.5",
|
||||
"resolved": "https://registry.npmjs.org/@esbuild/openbsd-x64/-/openbsd-x64-0.21.5.tgz",
|
||||
"integrity": "sha512-HLNNw99xsvx12lFBUwoT8EVCsSvRNDVxNpjZ7bPn947b8gJPzeHWyNVhFsaerc0n3TsbOINvRP2byTZ5LKezow==",
|
||||
"cpu": [
|
||||
"x64"
|
||||
],
|
||||
"dev": true,
|
||||
"optional": true,
|
||||
"os": [
|
||||
"openbsd"
|
||||
],
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
}
|
||||
},
|
||||
"node_modules/@esbuild/sunos-x64": {
|
||||
"version": "0.21.5",
|
||||
"resolved": "https://registry.npmjs.org/@esbuild/sunos-x64/-/sunos-x64-0.21.5.tgz",
|
||||
"integrity": "sha512-6+gjmFpfy0BHU5Tpptkuh8+uw3mnrvgs+dSPQXQOv3ekbordwnzTVEb4qnIvQcYXq6gzkyTnoZ9dZG+D4garKg==",
|
||||
"cpu": [
|
||||
"x64"
|
||||
],
|
||||
"dev": true,
|
||||
"optional": true,
|
||||
"os": [
|
||||
"sunos"
|
||||
],
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
}
|
||||
},
|
||||
"node_modules/@esbuild/win32-arm64": {
|
||||
"version": "0.21.5",
|
||||
"resolved": "https://registry.npmjs.org/@esbuild/win32-arm64/-/win32-arm64-0.21.5.tgz",
|
||||
"integrity": "sha512-Z0gOTd75VvXqyq7nsl93zwahcTROgqvuAcYDUr+vOv8uHhNSKROyU961kgtCD1e95IqPKSQKH7tBTslnS3tA8A==",
|
||||
"cpu": [
|
||||
"arm64"
|
||||
],
|
||||
"dev": true,
|
||||
"optional": true,
|
||||
"os": [
|
||||
"win32"
|
||||
],
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
}
|
||||
},
|
||||
"node_modules/@esbuild/win32-ia32": {
|
||||
"version": "0.21.5",
|
||||
"resolved": "https://registry.npmjs.org/@esbuild/win32-ia32/-/win32-ia32-0.21.5.tgz",
|
||||
"integrity": "sha512-SWXFF1CL2RVNMaVs+BBClwtfZSvDgtL//G/smwAc5oVK/UPu2Gu9tIaRgFmYFFKrmg3SyAjSrElf0TiJ1v8fYA==",
|
||||
"cpu": [
|
||||
"ia32"
|
||||
],
|
||||
"dev": true,
|
||||
"optional": true,
|
||||
"os": [
|
||||
"win32"
|
||||
],
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
}
|
||||
},
|
||||
"node_modules/@esbuild/win32-x64": {
|
||||
"version": "0.21.5",
|
||||
"resolved": "https://registry.npmjs.org/@esbuild/win32-x64/-/win32-x64-0.21.5.tgz",
|
||||
"integrity": "sha512-tQd/1efJuzPC6rCFwEvLtci/xNFcTZknmXs98FYDfGE4wP9ClFV98nyKrzJKVPMhdDnjzLhdUyMX4PsQAPjwIw==",
|
||||
"cpu": [
|
||||
"x64"
|
||||
],
|
||||
"dev": true,
|
||||
"optional": true,
|
||||
"os": [
|
||||
"win32"
|
||||
],
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
}
|
||||
},
|
||||
"node_modules/@types/node": {
|
||||
"version": "22.0.0",
|
||||
"resolved": "https://registry.npmjs.org/@types/node/-/node-22.0.0.tgz",
|
||||
"integrity": "sha512-VT7KSYudcPOzP5Q0wfbowyNLaVR8QWUdw+088uFWwfvpY6uCWaXpqV6ieLAu9WBcnTa7H4Z5RLK8I5t2FuOcqw==",
|
||||
"dev": true,
|
||||
"dependencies": {
|
||||
"undici-types": "~6.11.1"
|
||||
}
|
||||
},
|
||||
"node_modules/esbuild": {
|
||||
"version": "0.21.5",
|
||||
"resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.21.5.tgz",
|
||||
"integrity": "sha512-mg3OPMV4hXywwpoDxu3Qda5xCKQi+vCTZq8S9J/EpkhB2HzKXq4SNFZE3+NK93JYxc8VMSep+lOUSC/RVKaBqw==",
|
||||
"dev": true,
|
||||
"hasInstallScript": true,
|
||||
"bin": {
|
||||
"esbuild": "bin/esbuild"
|
||||
},
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
},
|
||||
"optionalDependencies": {
|
||||
"@esbuild/aix-ppc64": "0.21.5",
|
||||
"@esbuild/android-arm": "0.21.5",
|
||||
"@esbuild/android-arm64": "0.21.5",
|
||||
"@esbuild/android-x64": "0.21.5",
|
||||
"@esbuild/darwin-arm64": "0.21.5",
|
||||
"@esbuild/darwin-x64": "0.21.5",
|
||||
"@esbuild/freebsd-arm64": "0.21.5",
|
||||
"@esbuild/freebsd-x64": "0.21.5",
|
||||
"@esbuild/linux-arm": "0.21.5",
|
||||
"@esbuild/linux-arm64": "0.21.5",
|
||||
"@esbuild/linux-ia32": "0.21.5",
|
||||
"@esbuild/linux-loong64": "0.21.5",
|
||||
"@esbuild/linux-mips64el": "0.21.5",
|
||||
"@esbuild/linux-ppc64": "0.21.5",
|
||||
"@esbuild/linux-riscv64": "0.21.5",
|
||||
"@esbuild/linux-s390x": "0.21.5",
|
||||
"@esbuild/linux-x64": "0.21.5",
|
||||
"@esbuild/netbsd-x64": "0.21.5",
|
||||
"@esbuild/openbsd-x64": "0.21.5",
|
||||
"@esbuild/sunos-x64": "0.21.5",
|
||||
"@esbuild/win32-arm64": "0.21.5",
|
||||
"@esbuild/win32-ia32": "0.21.5",
|
||||
"@esbuild/win32-x64": "0.21.5"
|
||||
}
|
||||
},
|
||||
"node_modules/fsevents": {
|
||||
"version": "2.3.3",
|
||||
"resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.3.tgz",
|
||||
"integrity": "sha512-5xoDfX+fL7faATnagmWPpbFtwh/R77WmMMqqHGS65C3vvB0YHrgF+B1YmZ3441tMj5n63k0212XNoJwzlhffQw==",
|
||||
"dev": true,
|
||||
"hasInstallScript": true,
|
||||
"optional": true,
|
||||
"os": [
|
||||
"darwin"
|
||||
],
|
||||
"engines": {
|
||||
"node": "^8.16.0 || ^10.6.0 || >=11.0.0"
|
||||
}
|
||||
},
|
||||
"node_modules/get-tsconfig": {
|
||||
"version": "4.7.6",
|
||||
"resolved": "https://registry.npmjs.org/get-tsconfig/-/get-tsconfig-4.7.6.tgz",
|
||||
"integrity": "sha512-ZAqrLlu18NbDdRaHq+AKXzAmqIUPswPWKUchfytdAjiRFnCe5ojG2bstg6mRiZabkKfCoL/e98pbBELIV/YCeA==",
|
||||
"dev": true,
|
||||
"dependencies": {
|
||||
"resolve-pkg-maps": "^1.0.0"
|
||||
},
|
||||
"funding": {
|
||||
"url": "https://github.com/privatenumber/get-tsconfig?sponsor=1"
|
||||
}
|
||||
},
|
||||
"node_modules/resolve-pkg-maps": {
|
||||
"version": "1.0.0",
|
||||
"resolved": "https://registry.npmjs.org/resolve-pkg-maps/-/resolve-pkg-maps-1.0.0.tgz",
|
||||
"integrity": "sha512-seS2Tj26TBVOC2NIc2rOe2y2ZO7efxITtLZcGSOnHHNOQ7CkiUBfw0Iw2ck6xkIhPwLhKNLS8BO+hEpngQlqzw==",
|
||||
"dev": true,
|
||||
"funding": {
|
||||
"url": "https://github.com/privatenumber/resolve-pkg-maps?sponsor=1"
|
||||
}
|
||||
},
|
||||
"node_modules/tsx": {
|
||||
"version": "4.16.3",
|
||||
"resolved": "https://registry.npmjs.org/tsx/-/tsx-4.16.3.tgz",
|
||||
"integrity": "sha512-MP8AEUxVnboD2rCC6kDLxnpDBNWN9k3BSVU/0/nNxgm70bPBnfn+yCKcnOsIVPQwdkbKYoFOlKjjWZWJ2XCXUg==",
|
||||
"dev": true,
|
||||
"dependencies": {
|
||||
"esbuild": "~0.21.5",
|
||||
"get-tsconfig": "^4.7.5"
|
||||
},
|
||||
"bin": {
|
||||
"tsx": "dist/cli.mjs"
|
||||
},
|
||||
"engines": {
|
||||
"node": ">=18.0.0"
|
||||
},
|
||||
"optionalDependencies": {
|
||||
"fsevents": "~2.3.3"
|
||||
}
|
||||
},
|
||||
"node_modules/undici-types": {
|
||||
"version": "6.11.1",
|
||||
"resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.11.1.tgz",
|
||||
"integrity": "sha512-mIDEX2ek50x0OlRgxryxsenE5XaQD4on5U2inY7RApK3SOJpofyw7uW2AyfMKkhAxXIceo2DeWGVGwyvng1GNQ==",
|
||||
"dev": true
|
||||
}
|
||||
}
|
||||
}
|
||||
9
package.json
Normal file
9
package.json
Normal file
@ -0,0 +1,9 @@
|
||||
{
|
||||
"scripts": {
|
||||
"test": "node --import tsx --test tests/*.test.*s"
|
||||
},
|
||||
"devDependencies": {
|
||||
"@types/node": "^22.0.0",
|
||||
"tsx": "^4.16.3"
|
||||
}
|
||||
}
|
||||
35
tests/basics.test.ts
Normal file
35
tests/basics.test.ts
Normal file
@ -0,0 +1,35 @@
|
||||
import test from 'node:test';
|
||||
import * as assert from 'node:assert/strict';
|
||||
|
||||
import { range } from '../utils';
|
||||
import { hexToBuff, buffTo64, xorBuffers, encryptSingleByte, decryptSingleByte, crackSingleByteKeyMsg } from '../basics';
|
||||
|
||||
test('range', () => {
|
||||
assert.deepEqual(range(0, 10), [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);
|
||||
assert.deepEqual(range(5, 8), [5, 6, 7, 8]);
|
||||
});
|
||||
|
||||
test('hexToBase64', () => {
|
||||
const input = '49276d206b696c6c696e6720796f757220627261696e206c696b65206120706f69736f6e6f7573206d757368726f6f6d';
|
||||
const expected = 'SSdtIGtpbGxpbmcgeW91ciBicmFpbiBsaWtlIGEgcG9pc29ub3VzIG11c2hyb29t';
|
||||
assert.equal(buffTo64(hexToBuff(input)), expected);
|
||||
});
|
||||
|
||||
test('xorBuffers', () => {
|
||||
const input = '1c0111001f010100061a024b53535009181c';
|
||||
const key = '686974207468652062756c6c277320657965';
|
||||
const expected = '746865206b696420646f6e277420706c6179';
|
||||
assert.equal(xorBuffers(hexToBuff(input), hexToBuff(key)).toString('hex'), expected);
|
||||
});
|
||||
|
||||
test('encrypt/decrypt single byte', () => {
|
||||
const input = '1b37373331363f78151b7f2b783431333d78397828372d363c78373e783a393b3736';
|
||||
const key = 55;
|
||||
assert.deepEqual(decryptSingleByte(encryptSingleByte(Buffer.from(input, 'hex'), key), key).toString('hex'), input);
|
||||
});
|
||||
|
||||
test('crack produces english sentence', () => {
|
||||
const input = '1b37373331363f78151b7f2b783431333d78397828372d363c78373e783a393b3736';
|
||||
const expected = 'Cooking MC\'s like a pound of bacon';
|
||||
assert.equal(crackSingleByteKeyMsg(input), expected);
|
||||
});
|
||||
12
utils.ts
Normal file
12
utils.ts
Normal file
@ -0,0 +1,12 @@
|
||||
// @ts-ignore
|
||||
export const range = (from: number, to: number) => [...Array(to - from + 1).keys()].map(i => i + from);
|
||||
|
||||
export const englishFreqs = {
|
||||
97: 0.08167, 98: 0.01492, 99: 0.02782, 100: 0.04253,
|
||||
101: 0.12702, 102: 0.02228, 103: 0.02015, 104: 0.06094,
|
||||
105: 0.06094, 106: 0.00153, 107: 0.00772, 108: 0.04025,
|
||||
109: 0.02406, 110: 0.06749, 111: 0.07507, 112: 0.01929,
|
||||
113: 0.00095, 114: 0.05987, 115: 0.06327, 116: 0.09056,
|
||||
117: 0.02758, 118: 0.00978, 119: 0.02360, 120: 0.00150,
|
||||
121: 0.01974, 122: 0.00074, 32: 0.13000,
|
||||
};
|
||||
Loading…
Reference in New Issue
Block a user