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more AES key checks

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This commit is contained in:
Todd A Ouska
2011-05-31 17:35:06 -07:00
parent 400e222def
commit 8916f46cc9
1 changed files with 2 additions and 2 deletions
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4
ctaocrypt/src/aes.c
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@ -975,7 +975,7 @@ static void AesEncrypt(Aes* aes, const byte* inBlock, byte* outBlock)
word32 r = aes->rounds >> 1; word32 r = aes->rounds >> 1;
const word32* rk = aes->key; const word32* rk = aes->key;
if (r > 7) { if (r > 7 || r == 0) {
CYASSL_MSG("AesEncrypt encountered improper key, set it up"); CYASSL_MSG("AesEncrypt encountered improper key, set it up");
return; /* stop instead of segfaulting, set up your keys! */ return; /* stop instead of segfaulting, set up your keys! */
} }
@ -1113,7 +1113,7 @@ static void AesDecrypt(Aes* aes, const byte* inBlock, byte* outBlock)
word32 r = aes->rounds >> 1; word32 r = aes->rounds >> 1;
const word32* rk = aes->key; const word32* rk = aes->key;
if (r > 7) { if (r > 7 || r == 0) {
CYASSL_MSG("AesDecrypt encountered improper key, set it up"); CYASSL_MSG("AesDecrypt encountered improper key, set it up");
return; /* stop instead of segfaulting, set up your keys! */ return; /* stop instead of segfaulting, set up your keys! */
} }