Function setupSub

modules/crypt/ssl/ssl_setup.js:46–91

(o, cipher)

import Gcm from "gcm";

function setupSub(o, cipher)
{
	let enc, h;

	switch (cipher.cipherAlgorithm) {
	case DES:
		enc = new BlockCipher("DES", o.key);
		break;
	case TDES:
		enc = new BlockCipher("TDES", o.key);
		break;
	case AES:
		enc = new BlockCipher("AES", o.key);
		break;
	case RC4:
		enc = new StreamCipher("RC4", o.key);
		break;
	default:
		throw new TLSError("SetupCipher: unkown encryption algorithm");
	}
	switch (cipher.encryptionMode) {
	case CBC:
	case NONE:
		switch (cipher.hashAlgorithm) {
		case MD5: h = "MD5"; break;
		case SHA1: h = "SHA1"; break;
		case SHA256: h = "SHA256"; break;
		case SHA384: h = "SHA384"; break;
		default:
			throw new TLSError("SetupCipher: unknown hash algorithm");
		}
		o.hmac = new HMAC(new Digest(h), o.macSecret);
		if (cipher.encryptionMode == CBC)
			o.enc = new Mode("CBC", enc, o.iv);	// no padding -- SSL 3.2 requires padding process beyond RFC2630
		else
			o.enc = enc;
		break;
	case GCM:
		o.enc = new Gcm(enc);
		o.nonce = BigInt(1);
		break;
	default:
		o.enc = enc;
		break;
	}
}

function SetupCipher(session, connectionEnd)
{