n8n-nodes-cloudinary
Version:
The official Cloudinary n8n node - upload media, update asset tags and metadata, and more
68 lines • 3.06 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.sha256 = void 0;
function rotr(n, x) { return (x >>> n) | (x << (32 - n)); }
const K = [
0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1,
0x923f82a4, 0xab1c5ed5, 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, 0xe49b69c1, 0xefbe4786,
0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147,
0x06ca6351, 0x14292967, 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, 0xa2bfe8a1, 0xa81a664b,
0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a,
0x5b9cca4f, 0x682e6ff3, 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
];
const sha256 = (message) => {
const msg = new TextEncoder().encode(message);
const l = msg.length * 8;
const withOne = new Uint8Array(((msg.length + 9 + 63) >> 6) << 6);
withOne.set(msg);
withOne[msg.length] = 0x80;
const dv = new DataView(withOne.buffer);
dv.setUint32(withOne.length - 4, l >>> 0, false);
dv.setUint32(withOne.length - 8, (l / 0x100000000) >>> 0, false);
let h0 = 0x6a09e667, h1 = 0xbb67ae85, h2 = 0x3c6ef372, h3 = 0xa54ff53a;
let h4 = 0x510e527f, h5 = 0x9b05688c, h6 = 0x1f83d9ab, h7 = 0x5be0cd19;
const w = new Uint32Array(64);
for (let i = 0; i < withOne.length; i += 64) {
for (let t = 0; t < 16; ++t)
w[t] = dv.getUint32(i + t * 4, false);
for (let t = 16; t < 64; ++t) {
const s0 = rotr(7, w[t - 15]) ^ rotr(18, w[t - 15]) ^ (w[t - 15] >>> 3);
const s1 = rotr(17, w[t - 2]) ^ rotr(19, w[t - 2]) ^ (w[t - 2] >>> 10);
w[t] = (w[t - 16] + s0 + w[t - 7] + s1) >>> 0;
}
let a = h0, b = h1, c = h2, d = h3, e = h4, f = h5, g = h6, h = h7;
for (let t = 0; t < 64; ++t) {
const S1 = rotr(6, e) ^ rotr(11, e) ^ rotr(25, e);
const ch = (e & f) ^ (~e & g);
const temp1 = (h + S1 + ch + K[t] + w[t]) >>> 0;
const S0 = rotr(2, a) ^ rotr(13, a) ^ rotr(22, a);
const maj = (a & b) ^ (a & c) ^ (b & c);
const temp2 = (S0 + maj) >>> 0;
h = g;
g = f;
f = e;
e = (d + temp1) >>> 0;
d = c;
c = b;
b = a;
a = (temp1 + temp2) >>> 0;
}
h0 = (h0 + a) >>> 0;
h1 = (h1 + b) >>> 0;
h2 = (h2 + c) >>> 0;
h3 = (h3 + d) >>> 0;
h4 = (h4 + e) >>> 0;
h5 = (h5 + f) >>> 0;
h6 = (h6 + g) >>> 0;
h7 = (h7 + h) >>> 0;
}
const HH = [h0, h1, h2, h3, h4, h5, h6, h7];
return HH.map(x => x.toString(16).padStart(8, '0')).join('');
};
exports.sha256 = sha256;
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