4a9ec9556
Denys Vlasenko
2020-12-15
Subject
tls: code shrink in AES code
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networking/tls_aes.c+3 -3
| @@ -313,15 +313,15 @@ static void InvMixColumns(unsigned astate[16]) | |
| d = astate[i + 3]; | |
| x = (a << 1) ^ (a << 2) ^ (a << 3) ^ b ^ (b << 1) ^ (b << 3) | |
| /***/ ^ c ^ (c << 2) ^ (c << 3) ^ d ^ (d << 3); | |
| + | astate[i + 0] = Multiply(x); |
| y = a ^ (a << 3) ^ (b << 1) ^ (b << 2) ^ (b << 3) | |
| /***/ ^ c ^ (c << 1) ^ (c << 3) ^ d ^ (d << 2) ^ (d << 3); | |
| + | astate[i + 1] = Multiply(y); |
| z = a ^ (a << 2) ^ (a << 3) ^ b ^ (b << 3) | |
| /***/ ^ (c << 1) ^ (c << 2) ^ (c << 3) ^ d ^ (d << 1) ^ (d << 3); | |
| + | astate[i + 2] = Multiply(z); |
| t = a ^ (a << 1) ^ (a << 3) ^ b ^ (b << 2) ^ (b << 3) | |
| /***/ ^ c ^ (c << 3) ^ (d << 1) ^ (d << 2) ^ (d << 3); | |
| - | astate[i + 0] = Multiply(x); |
| - | astate[i + 1] = Multiply(y); |
| - | astate[i + 2] = Multiply(z); |
| astate[i + 3] = Multiply(t); | |
| } | |
| } | |