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package main | |
import ( | |
"crypto/aes" | |
"crypto/cipher" | |
"crypto/rand" | |
"crypto/sha256" | |
"encoding/hex" | |
"fmt" | |
"strings" |
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const fs = require('fs'); | |
const path = require('path'); | |
const entry = path.resolve(process.argv.slice(2)[0]) || './index.ts'; | |
const entryPath = path.dirname(entry); | |
/** | |
* Tries to find all imported file names in given file. | |
* @param {string} fileName | |
* @returns {string[]} importedFiles | |
*/ |
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(() => { | |
const fcp = String.fromCodePoint; | |
const L = "length"; | |
/** | |
* @param {Uint8Array} input | |
* @returns {Uint8Array} | |
*/ | |
function compress(input) { | |
const codewords = []; | |
const dictionary = new Map(); |
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// Testrun with: | |
// go build *.go && docker run --rm -v "$PWD":/var/task lambci/lambda:go1.x main '{"prefix":"23727483927892"}' | |
// Deploy by: | |
// zip main.zip main | |
// upload main.zip to https://console.aws.amazon.com/lambda/home | |
package main | |
import ( | |
"context" |
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def cm_method(q,t): | |
""" | |
Given a prime power q and integer t with |t| <= 2sqrt(q), | |
returns an Elliptic curve over GF(q) with q + 1 - t points. | |
""" | |
n = q + 1 - t | |
d = t^2 - 4*q | |
K = QuadraticField(d) | |
j = K.hilbert_class_polynomial().any_root() | |
E = EllipticCurve_from_j(GF(q)(j)) |
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/** | |
* Given a sting s, return the SHA-256 digest of s | |
* (encoded as a UTF-16-LE byte array) in hex form. | |
* @param {string} s | |
* @returns {string} | |
* | |
* python -c 'import hashlib; print(hashlib.sha256("a🐦".encode("utf-16-le")).hexdigest())' | |
* 49f1ecba591ec4ae7a049570bd21b97dc77d42659f3fbe70a34a8f02ebacee17 | |
* | |
* python -c 'import hashlib; print(hashlib.sha256("$€𐐷𤭢".encode("utf-16-le")).hexdigest())' |
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#include "linear-algebra.h" | |
#define mat_val(i, j) A[i * m + j] | |
#define swap_values(a, b) t = b, b = a, a = t | |
#define swap_rows(_i1, _i2) \ | |
for (int k = 0; k < m; k++) \ | |
swap_values(mat_val(_i1, k), mat_val(_i2, k)); | |
int solve(Element *A, Element *b, int n, int m, Element *x) | |
{ |
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const enum Direction { | |
L = 0, | |
R = 1, | |
} | |
const enum Alphabet { | |
A = 0, | |
B = 1, | |
} | |
type StateOutput = [ | |
Alphabet, // write |
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# Curve25519 | |
p = 2^255 - 19 | |
N = 8*(2^252 + 27742317777372353535851937790883648493) | |
E = EllipticCurve(GF(p),[0,486662,0,1,0]) | |
G = E.lift_x(9) | |
assert E.count_points() == N | |
assert G.order() == N/8 |
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