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| author | kokke <spam@rowdy.dk> | 2014-05-30 14:59:40 +0200 |
|---|---|---|
| committer | kokke <spam@rowdy.dk> | 2014-05-30 14:59:40 +0200 |
| commit | 3260ed817f0e74dcc023db147e4ed871daa7e127 (patch) | |
| tree | dbde5d52832c314886de6595e6652dd5bb78913c | |
| parent | Update README.md (diff) | |
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| -rw-r--r-- | aes.c | 4 |
1 files changed, 1 insertions, 3 deletions
@@ -68,10 +68,9 @@ static uint8_t RoundKey[176]; // The Key input to the AES Program static uint8_t* Key; -// Marked const so it can be placed in read-only storage instead of RAM +// The lookup-tables are marked const so they can be placed in read-only storage instead of RAM // The numbers below can be computed dynamically trading ROM for RAM - // This can be useful in (embedded) bootloader applications, where ROM is often limited. - static const uint8_t sbox[256] = { //0 1 2 3 4 5 6 7 8 9 A B C D E F 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76, @@ -303,7 +302,6 @@ static void Cipher() // The encryption process is over. // Copy the state array to output array. - for(i = 0; i < 4; ++i) { for(j = 0; j < 4; ++j) |