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Drop FULL_UNROLL code in aes.c. 

We've never defined this so this code has always been dead.

Change-Id: Ibcc4095bf812c7e1866c5f39968789606f0995ae
Reviewed-on: https://boringssl-review.googlesource.com/28024
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
kris/onging/CECPQ3_patch15
Adam Langley 6 years ago
committed by CQ bot account: commit-bot@chromium.org
parent
0ca921431a
commit
0c9ac2e7bf
1 changed files with 5 additions and 255 deletions
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  1. +5
    -255
      crypto/fipsmodule/aes/aes.c

+ 5
- 255
crypto/fipsmodule/aes/aes.c View File

@@ -6,7 +6,7 @@
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
@@ -680,9 +680,7 @@ int AES_set_decrypt_key(const uint8_t *key, unsigned bits, AES_KEY *aeskey) {
void AES_encrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key) {
const uint32_t *rk;
uint32_t s0, s1, s2, s3, t0, t1, t2, t3;
#ifndef FULL_UNROLL
int r;
#endif // ?FULL_UNROLL

assert(in && out && key);
rk = key->rd_key;
@@ -693,130 +691,7 @@ void AES_encrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key) {
s1 = GETU32(in + 4) ^ rk[1];
s2 = GETU32(in + 8) ^ rk[2];
s3 = GETU32(in + 12) ^ rk[3];
#ifdef FULL_UNROLL
// round 1:
t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^
Te3[s3 & 0xff] ^ rk[4];
t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^
Te3[s0 & 0xff] ^ rk[5];
t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^
Te3[s1 & 0xff] ^ rk[6];
t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^
Te3[s2 & 0xff] ^ rk[7];
// round 2:
s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^
Te3[t3 & 0xff] ^ rk[8];
s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^
Te3[t0 & 0xff] ^ rk[9];
s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^
Te3[t1 & 0xff] ^ rk[10];
s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^
Te3[t2 & 0xff] ^ rk[11];
// round 3:
t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^
Te3[s3 & 0xff] ^ rk[12];
t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^
Te3[s0 & 0xff] ^ rk[13];
t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^
Te3[s1 & 0xff] ^ rk[14];
t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^
Te3[s2 & 0xff] ^ rk[15];
// round 4:
s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^
Te3[t3 & 0xff] ^ rk[16];
s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^
Te3[t0 & 0xff] ^ rk[17];
s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^
Te3[t1 & 0xff] ^ rk[18];
s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^
Te3[t2 & 0xff] ^ rk[19];
// round 5:
t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^
Te3[s3 & 0xff] ^ rk[20];
t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^
Te3[s0 & 0xff] ^ rk[21];
t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^
Te3[s1 & 0xff] ^ rk[22];
t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^
Te3[s2 & 0xff] ^ rk[23];
// round 6:
s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^
Te3[t3 & 0xff] ^ rk[24];
s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^
Te3[t0 & 0xff] ^ rk[25];
s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^
Te3[t1 & 0xff] ^ rk[26];
s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^
Te3[t2 & 0xff] ^ rk[27];
// round 7:
t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^
Te3[s3 & 0xff] ^ rk[28];
t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^
Te3[s0 & 0xff] ^ rk[29];
t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^
Te3[s1 & 0xff] ^ rk[30];
t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^
Te3[s2 & 0xff] ^ rk[31];
// round 8:
s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^
Te3[t3 & 0xff] ^ rk[32];
s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^
Te3[t0 & 0xff] ^ rk[33];
s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^
Te3[t1 & 0xff] ^ rk[34];
s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^
Te3[t2 & 0xff] ^ rk[35];
// round 9:
t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^
Te3[s3 & 0xff] ^ rk[36];
t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^
Te3[s0 & 0xff] ^ rk[37];
t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^
Te3[s1 & 0xff] ^ rk[38];
t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^
Te3[s2 & 0xff] ^ rk[39];
if (key->rounds > 10) {
// round 10:
s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^
Te3[t3 & 0xff] ^ rk[40];
s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^
Te3[t0 & 0xff] ^ rk[41];
s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^
Te3[t1 & 0xff] ^ rk[42];
s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^
Te3[t2 & 0xff] ^ rk[43];
// round 11:
t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^
Te3[s3 & 0xff] ^ rk[44];
t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^
Te3[s0 & 0xff] ^ rk[45];
t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^
Te3[s1 & 0xff] ^ rk[46];
t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^
Te3[s2 & 0xff] ^ rk[47];
if (key->rounds > 12) {
// round 12:
s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^
Te3[t3 & 0xff] ^ rk[48];
s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^
Te3[t0 & 0xff] ^ rk[49];
s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^
Te3[t1 & 0xff] ^ rk[50];
s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^
Te3[t2 & 0xff] ^ rk[51];
// round 13:
t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^
Te3[s3 & 0xff] ^ rk[52];
t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^
Te3[s0 & 0xff] ^ rk[53];
t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^
Te3[s1 & 0xff] ^ rk[54];
t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^
Te3[s2 & 0xff] ^ rk[55];
}
}
rk += key->rounds << 2;
#else // !FULL_UNROLL

// Nr - 1 full rounds:
r = key->rounds >> 1;
for (;;) {
@@ -843,7 +718,7 @@ void AES_encrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key) {
s3 = Te0[(t3 >> 24)] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^
Te3[(t2) & 0xff] ^ rk[3];
}
#endif // ?FULL_UNROLL
// apply last round and map cipher state to byte array block:
s0 = (Te2[(t0 >> 24)] & 0xff000000) ^ (Te3[(t1 >> 16) & 0xff] & 0x00ff0000) ^
(Te0[(t2 >> 8) & 0xff] & 0x0000ff00) ^ (Te1[(t3) & 0xff] & 0x000000ff) ^
@@ -866,9 +741,7 @@ void AES_encrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key) {
void AES_decrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key) {
const uint32_t *rk;
uint32_t s0, s1, s2, s3, t0, t1, t2, t3;
#ifndef FULL_UNROLL
int r;
#endif // ?FULL_UNROLL

assert(in && out && key);
rk = key->rd_key;
@@ -879,130 +752,7 @@ void AES_decrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key) {
s1 = GETU32(in + 4) ^ rk[1];
s2 = GETU32(in + 8) ^ rk[2];
s3 = GETU32(in + 12) ^ rk[3];
#ifdef FULL_UNROLL
// round 1:
t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^
Td3[s1 & 0xff] ^ rk[4];
t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^
Td3[s2 & 0xff] ^ rk[5];
t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^
Td3[s3 & 0xff] ^ rk[6];
t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^
Td3[s0 & 0xff] ^ rk[7];
// round 2:
s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^
Td3[t1 & 0xff] ^ rk[8];
s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^
Td3[t2 & 0xff] ^ rk[9];
s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^
Td3[t3 & 0xff] ^ rk[10];
s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^
Td3[t0 & 0xff] ^ rk[11];
// round 3:
t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^
Td3[s1 & 0xff] ^ rk[12];
t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^
Td3[s2 & 0xff] ^ rk[13];
t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^
Td3[s3 & 0xff] ^ rk[14];
t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^
Td3[s0 & 0xff] ^ rk[15];
// round 4:
s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^
Td3[t1 & 0xff] ^ rk[16];
s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^
Td3[t2 & 0xff] ^ rk[17];
s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^
Td3[t3 & 0xff] ^ rk[18];
s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^
Td3[t0 & 0xff] ^ rk[19];
// round 5:
t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^
Td3[s1 & 0xff] ^ rk[20];
t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^
Td3[s2 & 0xff] ^ rk[21];
t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^
Td3[s3 & 0xff] ^ rk[22];
t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^
Td3[s0 & 0xff] ^ rk[23];
// round 6:
s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^
Td3[t1 & 0xff] ^ rk[24];
s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^
Td3[t2 & 0xff] ^ rk[25];
s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^
Td3[t3 & 0xff] ^ rk[26];
s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^
Td3[t0 & 0xff] ^ rk[27];
// round 7:
t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^
Td3[s1 & 0xff] ^ rk[28];
t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^
Td3[s2 & 0xff] ^ rk[29];
t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^
Td3[s3 & 0xff] ^ rk[30];
t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^
Td3[s0 & 0xff] ^ rk[31];
// round 8:
s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^
Td3[t1 & 0xff] ^ rk[32];
s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^
Td3[t2 & 0xff] ^ rk[33];
s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^
Td3[t3 & 0xff] ^ rk[34];
s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^
Td3[t0 & 0xff] ^ rk[35];
// round 9:
t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^
Td3[s1 & 0xff] ^ rk[36];
t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^
Td3[s2 & 0xff] ^ rk[37];
t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^
Td3[s3 & 0xff] ^ rk[38];
t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^
Td3[s0 & 0xff] ^ rk[39];
if (key->rounds > 10) {
// round 10:
s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^
Td3[t1 & 0xff] ^ rk[40];
s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^
Td3[t2 & 0xff] ^ rk[41];
s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^
Td3[t3 & 0xff] ^ rk[42];
s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^
Td3[t0 & 0xff] ^ rk[43];
// round 11:
t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^
Td3[s1 & 0xff] ^ rk[44];
t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^
Td3[s2 & 0xff] ^ rk[45];
t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^
Td3[s3 & 0xff] ^ rk[46];
t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^
Td3[s0 & 0xff] ^ rk[47];
if (key->rounds > 12) {
// round 12:
s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^
Td3[t1 & 0xff] ^ rk[48];
s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^
Td3[t2 & 0xff] ^ rk[49];
s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^
Td3[t3 & 0xff] ^ rk[50];
s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^
Td3[t0 & 0xff] ^ rk[51];
// round 13:
t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^
Td3[s1 & 0xff] ^ rk[52];
t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^
Td3[s2 & 0xff] ^ rk[53];
t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^
Td3[s3 & 0xff] ^ rk[54];
t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^
Td3[s0 & 0xff] ^ rk[55];
}
}
rk += key->rounds << 2;
#else // !FULL_UNROLL

// Nr - 1 full rounds:
r = key->rounds >> 1;
for (;;) {
@@ -1029,7 +779,7 @@ void AES_decrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key) {
s3 = Td0[(t3 >> 24)] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^
Td3[(t0) & 0xff] ^ rk[3];
}
#endif // ?FULL_UNROLL
// apply last round and
// map cipher state to byte array block:
s0 = ((uint32_t)Td4[(t0 >> 24)] << 24) ^


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