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Fix sporadic failures in StoreAndRetrieveMnemonicSeedInEncryptedStore

This commit is contained in:
sasha 2022-04-01 14:35:47 -07:00
parent d711a7c529
commit 3cf2ba8853
1 changed files with 7 additions and 8 deletions
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15
src/gtest/test_keystore.cpp
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@ -359,15 +359,14 @@ TEST(KeystoreTests, StoreAndRetrieveMnemonicSeedInEncryptedStore) {
seedOut = keyStore.GetMnemonicSeed();
EXPECT_FALSE(seedOut.has_value());
// Unlocking with a random key should fail
CKeyingMaterial vRandomKey(32, 0);
GetRandBytes(vRandomKey.data(), 32);
EXPECT_FALSE(keyStore.Unlock(vRandomKey));
// Unlocking with a random key causes sporadic failures, since we currently
// don't use an authenticated encryption scheme for CCryptoKeyStore.
// Unlocking with a slightly-modified vMasterKey should fail
CKeyingMaterial vModifiedKey(vMasterKey);
vModifiedKey[0] += 1;
EXPECT_FALSE(keyStore.Unlock(vModifiedKey));
// Currently, DecryptMnemonicSeed tests if a key is invalid by looking at
// the return value of CBCDecrypt. If keyStore.Unlock is called with an
// invalid key, there's roughly a 257/65536 chance that the padding check
// in CBCDecrypt will pass, in which case DecryptMnemonicSeed then calls
// the deserialization code in mnemonic.h with random data.
// Unlocking with vMasterKey should succeed
ASSERT_TRUE(keyStore.Unlock(vMasterKey));