Function calculateMac

modules/crypt/ssl/ssl_record.js:110–123

(hmac, seqNum, type, version, content)

	tlsCipherText: {
		name: "tlsCipherText",
		calculateMac(hmac, seqNum, type, version, content) {
			hmac.reset();
			seqNum = ArrayBuffer.fromBigInt(seqNum);
			let stream = new SSLStream();
			for (let len = 8 - seqNum.byteLength; len > 0; len--)
				stream.writeChar(0);
			stream.writeChunk(seqNum);
			stream.writeChar(type);
			stream.writeChars(version, 2);
			stream.writeChars(content.byteLength, 2);
			hmac.update(stream.getChunk());
			hmac.update(content);
			return hmac.close();
		},
		aeadAdditionalData(seqNum, type, version, len) {
			const c = ArrayBuffer.fromBigInt(seqNum, 8);
			let tmps = new SSLStream(undefined, c.byteLength + 1 + 2 + 2);