michael@0: let WeaveCryptoModule = Cu.import("resource://services-crypto/WeaveCrypto.js");
michael@0: 
michael@0: let cryptoSvc = new WeaveCrypto();
michael@0: 
michael@0: function run_test() {
michael@0:   if (this.gczeal) {
michael@0:     _("Running crypto random tests with gczeal(2).");
michael@0:     gczeal(2);
michael@0:   }
michael@0: 
michael@0:   // Test salt generation.
michael@0:   var salt;
michael@0: 
michael@0:   salt = cryptoSvc.generateRandomBytes(0);
michael@0:   do_check_eq(salt.length, 0);
michael@0:   salt = cryptoSvc.generateRandomBytes(1);
michael@0:   do_check_eq(salt.length, 4);
michael@0:   salt = cryptoSvc.generateRandomBytes(2);
michael@0:   do_check_eq(salt.length, 4);
michael@0:   salt = cryptoSvc.generateRandomBytes(3);
michael@0:   do_check_eq(salt.length, 4);
michael@0:   salt = cryptoSvc.generateRandomBytes(4);
michael@0:   do_check_eq(salt.length, 8);
michael@0:   salt = cryptoSvc.generateRandomBytes(8);
michael@0:   do_check_eq(salt.length, 12);
michael@0: 
michael@0:   // sanity check to make sure salts seem random
michael@0:   var salt2 = cryptoSvc.generateRandomBytes(8);
michael@0:   do_check_eq(salt2.length, 12);
michael@0:   do_check_neq(salt, salt2);
michael@0: 
michael@0:   salt = cryptoSvc.generateRandomBytes(1024);
michael@0:   do_check_eq(salt.length, 1368);
michael@0:   salt = cryptoSvc.generateRandomBytes(16);
michael@0:   do_check_eq(salt.length, 24);
michael@0: 
michael@0: 
michael@0:   // Test random key generation
michael@0:   var keydata, keydata2, iv;
michael@0: 
michael@0:   keydata  = cryptoSvc.generateRandomKey();
michael@0:   do_check_eq(keydata.length, 44);
michael@0:   keydata2 = cryptoSvc.generateRandomKey();
michael@0:   do_check_neq(keydata, keydata2); // sanity check for randomness
michael@0:   iv = cryptoSvc.generateRandomIV();
michael@0:   do_check_eq(iv.length, 24);
michael@0: 
michael@0:   cryptoSvc.algorithm = WeaveCryptoModule.AES_256_CBC;
michael@0:   keydata  = cryptoSvc.generateRandomKey();
michael@0:   do_check_eq(keydata.length, 44);
michael@0:   keydata2 = cryptoSvc.generateRandomKey();
michael@0:   do_check_neq(keydata, keydata2); // sanity check for randomness
michael@0:   iv = cryptoSvc.generateRandomIV();
michael@0:   do_check_eq(iv.length, 24);
michael@0: 
michael@0:   if (this.gczeal)
michael@0:     gczeal(0);
michael@0: }