michael@0: var btoa;
michael@0: 
michael@0: function test_derive(cryptoSvc) {
michael@0:   // Extracted from test_utils_deriveKey.
michael@0:   let pp = "secret phrase";
michael@0:   let salt = "RE5YUHpQcGl3bg==";   // btoa("DNXPzPpiwn")
michael@0:   
michael@0:   // 16-byte, extract key data.
michael@0:   let k = cryptoSvc.deriveKeyFromPassphrase(pp, salt, 16);
michael@0:   do_check_eq(16, k.length);
michael@0:   do_check_eq(btoa(k), "d2zG0d2cBfXnRwMUGyMwyg==");
michael@0:   
michael@0:   // Test different key lengths.
michael@0:   k = cryptoSvc.deriveKeyFromPassphrase(pp, salt, 32);
michael@0:   do_check_eq(32, k.length);
michael@0:   let encKey = btoa(k);
michael@0:   
michael@0:   // Test via encryption.
michael@0:   let iv = cryptoSvc.generateRandomIV();
michael@0:   do_check_eq(cryptoSvc.decrypt(cryptoSvc.encrypt("bacon", encKey, iv), encKey, iv), "bacon");
michael@0:   
michael@0:   // Test default length (32).
michael@0:   k = cryptoSvc.deriveKeyFromPassphrase(pp, salt, null);
michael@0:   do_check_eq(32, k.length);
michael@0:   do_check_eq(encKey, btoa(k));
michael@0: }
michael@0: 
michael@0: function run_test() {
michael@0:   let cryptoSvc;
michael@0:   try {
michael@0:     let backstagePass = Components.utils.import("resource://services-crypto/WeaveCrypto.js");
michael@0:     btoa = backstagePass.btoa;
michael@0:   } catch (ex) {
michael@0:     _("Aborting test: no WeaveCrypto.js.");
michael@0:     return;
michael@0:   }
michael@0:   test_derive(new WeaveCrypto());
michael@0: }