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changed textKeyChain generation > fixed possible buffer overflow

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This commit is contained in:
Václav Šmejkal 2022-05-25 17:51:57 +02:00
parent 4534ec7521
commit 35959a4393
1 changed files with 3 additions and 3 deletions
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6
src/lib/misc.c
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@ -151,13 +151,13 @@ void generateTextKeyChain(char key[], int *textKeyChain, int textKeyChainSize)
//FILL textKeyChain //FILL textKeyChain
if ((numberBuffer + 1) % 3 == 0) if ((numberBuffer + 1) % 3 == 0)
{ {
textKeyChain[i] = key[numberBuffer] * key[numberBuffer + 1]; textKeyChain[i] = key[numberBuffer] * key[numberBuffer + (i < textKeyChainSize)];
} else if ((numberBuffer + 1) % 2 == 0) } else if ((numberBuffer + 1) % 2 == 0)
{ {
textKeyChain[i] = key[numberBuffer] - key[numberBuffer + 1]; textKeyChain[i] = key[numberBuffer] - key[numberBuffer + (i < textKeyChainSize)];
} else } else
{ {
textKeyChain[i] = key[numberBuffer] + key[numberBuffer + 1]; textKeyChain[i] = key[numberBuffer] + key[numberBuffer + (i < textKeyChainSize)];
} }
} }
} }