Add debug logging to see received auth data
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111
node_modules/@noble/hashes/_blake2.js
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111
node_modules/@noble/hashes/_blake2.js
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.BLAKE2 = exports.SIGMA = void 0;
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const _assert_js_1 = require("./_assert.js");
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const utils_js_1 = require("./utils.js");
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// For BLAKE2b, the two extra permutations for rounds 10 and 11 are SIGMA[10..11] = SIGMA[0..1].
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// prettier-ignore
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exports.SIGMA = new Uint8Array([
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
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14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3,
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11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4,
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7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8,
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9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13,
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2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9,
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12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11,
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13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10,
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6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5,
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10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0,
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
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14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3,
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]);
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class BLAKE2 extends utils_js_1.Hash {
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constructor(blockLen, outputLen, opts = {}, keyLen, saltLen, persLen) {
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super();
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this.blockLen = blockLen;
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this.outputLen = outputLen;
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this.length = 0;
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this.pos = 0;
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this.finished = false;
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this.destroyed = false;
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_assert_js_1.default.number(blockLen);
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_assert_js_1.default.number(outputLen);
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_assert_js_1.default.number(keyLen);
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if (outputLen < 0 || outputLen > keyLen)
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throw new Error('outputLen bigger than keyLen');
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if (opts.key !== undefined && (opts.key.length < 1 || opts.key.length > keyLen))
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throw new Error(`key must be up 1..${keyLen} byte long or undefined`);
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if (opts.salt !== undefined && opts.salt.length !== saltLen)
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throw new Error(`salt must be ${saltLen} byte long or undefined`);
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if (opts.personalization !== undefined && opts.personalization.length !== persLen)
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throw new Error(`personalization must be ${persLen} byte long or undefined`);
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this.buffer32 = (0, utils_js_1.u32)((this.buffer = new Uint8Array(blockLen)));
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}
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update(data) {
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_assert_js_1.default.exists(this);
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// Main difference with other hashes: there is flag for last block,
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// so we cannot process current block before we know that there
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// is the next one. This significantly complicates logic and reduces ability
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// to do zero-copy processing
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const { blockLen, buffer, buffer32 } = this;
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data = (0, utils_js_1.toBytes)(data);
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const len = data.length;
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const offset = data.byteOffset;
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const buf = data.buffer;
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for (let pos = 0; pos < len;) {
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// If buffer is full and we still have input (don't process last block, same as blake2s)
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if (this.pos === blockLen) {
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this.compress(buffer32, 0, false);
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this.pos = 0;
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}
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const take = Math.min(blockLen - this.pos, len - pos);
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const dataOffset = offset + pos;
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// full block && aligned to 4 bytes && not last in input
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if (take === blockLen && !(dataOffset % 4) && pos + take < len) {
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const data32 = new Uint32Array(buf, dataOffset, Math.floor((len - pos) / 4));
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for (let pos32 = 0; pos + blockLen < len; pos32 += buffer32.length, pos += blockLen) {
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this.length += blockLen;
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this.compress(data32, pos32, false);
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}
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continue;
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}
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buffer.set(data.subarray(pos, pos + take), this.pos);
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this.pos += take;
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this.length += take;
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pos += take;
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}
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return this;
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}
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digestInto(out) {
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_assert_js_1.default.exists(this);
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_assert_js_1.default.output(out, this);
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const { pos, buffer32 } = this;
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this.finished = true;
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// Padding
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this.buffer.subarray(pos).fill(0);
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this.compress(buffer32, 0, true);
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const out32 = (0, utils_js_1.u32)(out);
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this.get().forEach((v, i) => (out32[i] = v));
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}
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digest() {
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const { buffer, outputLen } = this;
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this.digestInto(buffer);
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const res = buffer.slice(0, outputLen);
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this.destroy();
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return res;
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}
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_cloneInto(to) {
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const { buffer, length, finished, destroyed, outputLen, pos } = this;
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to || (to = new this.constructor({ dkLen: outputLen }));
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to.set(...this.get());
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to.length = length;
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to.finished = finished;
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to.destroyed = destroyed;
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to.outputLen = outputLen;
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to.buffer.set(buffer);
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to.pos = pos;
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return to;
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}
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}
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exports.BLAKE2 = BLAKE2;
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//# sourceMappingURL=_blake2.js.map
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