38 lines
1.3 KiB
JavaScript
38 lines
1.3 KiB
JavaScript
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"use strict";
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var __importStar = (this && this.__importStar) || function (mod) {
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if (mod && mod.__esModule) return mod;
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var result = {};
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if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
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result["default"] = mod;
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return result;
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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var bytes_1 = require("@ethersproject/bytes");
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var errors = __importStar(require("@ethersproject/errors"));
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var shuffle_1 = require("./shuffle");
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exports.shuffled = shuffle_1.shuffled;
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var crypto = global.crypto || global.msCrypto;
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if (!crypto || !crypto.getRandomValues) {
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errors.warn("WARNING: Missing strong random number source");
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crypto = {
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getRandomValues: function (buffer) {
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return errors.throwError("no secure random source avaialble", errors.UNSUPPORTED_OPERATION, {
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operation: "crypto.getRandomValues"
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});
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}
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};
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}
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function randomBytes(length) {
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if (length <= 0 || length > 1024 || parseInt(String(length)) != length) {
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errors.throwError("invalid length", errors.INVALID_ARGUMENT, {
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argument: "length",
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value: length
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});
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}
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var result = new Uint8Array(length);
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crypto.getRandomValues(result);
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return bytes_1.arrayify(result);
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}
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exports.randomBytes = randomBytes;
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;
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