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PseudoRandomNumberGenerator: support larger output than 65536 bytes

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This commit is contained in:
MikeCAT 2022-11-17 20:24:54 +09:00
parent ed8bd34915
commit c04f409d23
1 changed files with 6 additions and 2 deletions
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8
src/core/operations/PseudoRandomNumberGenerator.mjs
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@ -52,8 +52,12 @@ class PseudoRandomNumberGenerator extends Operation {
let bytes;
if (isWorkerEnvironment() && self.crypto) {
bytes = self.crypto.getRandomValues(new Uint8Array(numBytes));
bytes = Utils.arrayBufferToStr(bytes.buffer);
bytes = new ArrayBuffer(numBytes);
const CHUNK_SIZE = 65536;
for (let i = 0; i < numBytes; i += CHUNK_SIZE) {
self.crypto.getRandomValues(new Uint8Array(bytes, i, Math.min(numBytes - i, CHUNK_SIZE)));
}
bytes = Utils.arrayBufferToStr(bytes);
} else {
bytes = forge.random.getBytesSync(numBytes);
}