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don't segfault on AES if user didn't set up keys

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This commit is contained in:
Todd A Ouska
2011-02-28 15:25:38 -08:00
parent 27d54b1096
commit ca9caaf606
1 changed files with 4 additions and 0 deletions
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4
ctaocrypt/src/aes.c
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@ -973,6 +973,8 @@ 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)
return; /* stop instead of segfaulting, set up your keys! */
/* /*
* map byte array block to cipher state * map byte array block to cipher state
* and add initial round key: * and add initial round key:
@ -1107,6 +1109,8 @@ 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)
return; /* stop instead of segfaulting, set up your keys! */
/* /*
* map byte array block to cipher state * map byte array block to cipher state
* and add initial round key: * and add initial round key: