Also only define the Inv* family of functions if InvCipher is being compiled

Since only it uses them
This commit is contained in:
Roy Keene 2019-01-22 12:04:17 -06:00
parent ce24c0db9d
commit a5e18ec995
1 changed files with 2 additions and 1 deletions

3
aes.c
View File

@ -341,6 +341,7 @@ static uint8_t Multiply(uint8_t x, uint8_t y)
#endif
#if (defined(CBC) && CBC == 1) || (defined(ECB) && ECB == 1)
// MixColumns function mixes the columns of the state matrix.
// The method used to multiply may be difficult to understand for the inexperienced.
// Please use the references to gain more information.
@ -404,7 +405,7 @@ static void InvShiftRows(state_t* state)
(*state)[2][3] = (*state)[3][3];
(*state)[3][3] = temp;
}
#endif // #if (defined(CBC) && CBC == 1) || (defined(ECB) && ECB == 1)
// Cipher is the main function that encrypts the PlainText.
static void Cipher(state_t* state, uint8_t* RoundKey)