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sys/crypto: optimize AES
This commit is contained in:
Oleg Artamonov
Juan Carrano
parent
836fe3dbba
commit
05fe168a1e
751
sys/crypto/aes.c
751
sys/crypto/aes.c
@ -18,6 +18,9 @@
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* @author Fabrice Bellard
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* @author Zakaria Kasmi <zkasmi@inf.fu-berlin.de>
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*
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* @author Unwired Devices LLC
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* @author Oleg Artamonov <oleg@unwds.com>
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*
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* @note Integrated in QEMU by Fabrice Bellard from the OpenSSL project.
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* @version 3.0 (December 2000). Optimised ANSI C code for the
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* Rijndael cipher (now AES).
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@ -115,6 +118,20 @@ static const u32 Te0[256] = {
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0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U,
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0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU,
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};
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#if defined(AES_CALCULATE_TABLES)
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#define Te0(n) (Te0[n])
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#define Te1(n) ((Te0[n] >> 8) | (Te0[n] << 24))
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#define Te2(n) ((Te0[n] >> 16) | (Te0[n] << 16))
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#define Te3(n) ((Te0[n] >> 24) | (Te0[n] << 8))
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#define Te4(n) (((Te0[n] & 0x00FFFF00) >> 8) | ((Te0[n] & 0x00FFFF00) << 8))
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#else
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#define Te0(n) (Te0[n])
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#define Te1(n) (Te1[n])
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#define Te2(n) (Te2[n])
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#define Te3(n) (Te3[n])
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#define Te4(n) (Te4[n])
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static const u32 Te1[256] = {
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0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU,
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0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U,
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@ -380,6 +397,8 @@ static const u32 Te4[256] = {
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0x41414141U, 0x99999999U, 0x2d2d2d2dU, 0x0f0f0f0fU,
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0xb0b0b0b0U, 0x54545454U, 0xbbbbbbbbU, 0x16161616U,
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};
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#endif /* AES_CALCULATE_TABLES */
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static const u32 Td0[256] = {
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0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U,
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0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U,
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@ -446,6 +465,55 @@ static const u32 Td0[256] = {
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0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U,
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0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U,
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};
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#if defined(AES_CALCULATE_TABLES)
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#define Td0(n) (Td0[n])
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#define Td1(n) ((Td0[n] >> 8) | (Td0[n] << 24))
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#define Td2(n) ((Td0[n] >> 16) | (Td0[n] << 16))
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#define Td3(n) ((Td0[n] >> 24) | (Td0[n] << 8))
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#define Td4(n) (Td4[n] | (Td4[n] << 8) | (Td4[n] << 16) | (Td4[n] << 24))
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static const u8 Td4[256] = {
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0x52U, 0x09U, 0x6aU, 0xd5U, 0x30U, 0x36U, 0xa5U, 0x38U,
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0xbfU, 0x40U, 0xa3U, 0x9eU, 0x81U, 0xf3U, 0xd7U, 0xfbU,
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0x7cU, 0xe3U, 0x39U, 0x82U, 0x9bU, 0x2fU, 0xffU, 0x87U,
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0x34U, 0x8eU, 0x43U, 0x44U, 0xc4U, 0xdeU, 0xe9U, 0xcbU,
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0x54U, 0x7bU, 0x94U, 0x32U, 0xa6U, 0xc2U, 0x23U, 0x3dU,
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0xeeU, 0x4cU, 0x95U, 0x0bU, 0x42U, 0xfaU, 0xc3U, 0x4eU,
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0x08U, 0x2eU, 0xa1U, 0x66U, 0x28U, 0xd9U, 0x24U, 0xb2U,
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0x76U, 0x5bU, 0xa2U, 0x49U, 0x6dU, 0x8bU, 0xd1U, 0x25U,
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0x72U, 0xf8U, 0xf6U, 0x64U, 0x86U, 0x68U, 0x98U, 0x16U,
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0xd4U, 0xa4U, 0x5cU, 0xccU, 0x5dU, 0x65U, 0xb6U, 0x92U,
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0x6cU, 0x70U, 0x48U, 0x50U, 0xfdU, 0xedU, 0xb9U, 0xdaU,
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0x5eU, 0x15U, 0x46U, 0x57U, 0xa7U, 0x8dU, 0x9dU, 0x84U,
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0x90U, 0xd8U, 0xabU, 0x00U, 0x8cU, 0xbcU, 0xd3U, 0x0aU,
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0xf7U, 0xe4U, 0x58U, 0x05U, 0xb8U, 0xb3U, 0x45U, 0x06U,
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0xd0U, 0x2cU, 0x1eU, 0x8fU, 0xcaU, 0x3fU, 0x0fU, 0x02U,
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0xc1U, 0xafU, 0xbdU, 0x03U, 0x01U, 0x13U, 0x8aU, 0x6bU,
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0x3aU, 0x91U, 0x11U, 0x41U, 0x4fU, 0x67U, 0xdcU, 0xeaU,
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0x97U, 0xf2U, 0xcfU, 0xceU, 0xf0U, 0xb4U, 0xe6U, 0x73U,
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0x96U, 0xacU, 0x74U, 0x22U, 0xe7U, 0xadU, 0x35U, 0x85U,
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0xe2U, 0xf9U, 0x37U, 0xe8U, 0x1cU, 0x75U, 0xdfU, 0x6eU,
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0x47U, 0xf1U, 0x1aU, 0x71U, 0x1dU, 0x29U, 0xc5U, 0x89U,
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0x6fU, 0xb7U, 0x62U, 0x0eU, 0xaaU, 0x18U, 0xbeU, 0x1bU,
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0xfcU, 0x56U, 0x3eU, 0x4bU, 0xc6U, 0xd2U, 0x79U, 0x20U,
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0x9aU, 0xdbU, 0xc0U, 0xfeU, 0x78U, 0xcdU, 0x5aU, 0xf4U,
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0x1fU, 0xddU, 0xa8U, 0x33U, 0x88U, 0x07U, 0xc7U, 0x31U,
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0xb1U, 0x12U, 0x10U, 0x59U, 0x27U, 0x80U, 0xecU, 0x5fU,
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0x60U, 0x51U, 0x7fU, 0xa9U, 0x19U, 0xb5U, 0x4aU, 0x0dU,
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0x2dU, 0xe5U, 0x7aU, 0x9fU, 0x93U, 0xc9U, 0x9cU, 0xefU,
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0xa0U, 0xe0U, 0x3bU, 0x4dU, 0xaeU, 0x2aU, 0xf5U, 0xb0U,
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0xc8U, 0xebU, 0xbbU, 0x3cU, 0x83U, 0x53U, 0x99U, 0x61U,
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0x17U, 0x2bU, 0x04U, 0x7eU, 0xbaU, 0x77U, 0xd6U, 0x26U,
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0xe1U, 0x69U, 0x14U, 0x63U, 0x55U, 0x21U, 0x0cU, 0x7dU,
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};
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#else
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#define Td0(n) (Td0[n])
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#define Td1(n) (Td1[n])
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#define Td2(n) (Td2[n])
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#define Td3(n) (Td3[n])
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#define Td4(n) (Td4[n])
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static const u32 Td1[256] = {
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0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU,
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0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U,
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@ -711,6 +779,7 @@ static const u32 Td4[256] = {
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0xe1e1e1e1U, 0x69696969U, 0x14141414U, 0x63636363U,
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0x55555555U, 0x21212121U, 0x0c0c0c0cU, 0x7d7d7d7dU,
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};
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#endif /* AES_CALCULATE_TABLES */
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/* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
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static const u32 rcon[] = {
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@ -785,10 +854,10 @@ static int aes_set_encrypt_key(const unsigned char *userKey, const int bits,
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while (1) {
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temp = rk[3];
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rk[4] = rk[0] ^
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(Te4[(temp >> 16) & 0xff] & 0xff000000) ^
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(Te4[(temp >> 8) & 0xff] & 0x00ff0000) ^
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(Te4[(temp) & 0xff] & 0x0000ff00) ^
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(Te4[(temp >> 24) ] & 0x000000ff) ^
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(Te4((temp >> 16) & 0xff) & 0xff000000) ^
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(Te4((temp >> 8) & 0xff) & 0x00ff0000) ^
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(Te4((temp) & 0xff) & 0x0000ff00) ^
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(Te4((temp >> 24) ) & 0x000000ff) ^
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rcon[i];
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rk[5] = rk[1] ^ rk[4];
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rk[6] = rk[2] ^ rk[5];
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@ -809,10 +878,10 @@ static int aes_set_encrypt_key(const unsigned char *userKey, const int bits,
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while (1) {
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temp = rk[ 5];
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rk[ 6] = rk[ 0] ^
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(Te4[(temp >> 16) & 0xff] & 0xff000000) ^
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(Te4[(temp >> 8) & 0xff] & 0x00ff0000) ^
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(Te4[(temp) & 0xff] & 0x0000ff00) ^
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(Te4[(temp >> 24) ] & 0x000000ff) ^
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(Te4((temp >> 16) & 0xff) & 0xff000000) ^
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(Te4((temp >> 8) & 0xff) & 0x00ff0000) ^
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(Te4((temp) & 0xff) & 0x0000ff00) ^
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(Te4((temp >> 24) ) & 0x000000ff) ^
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rcon[i];
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rk[ 7] = rk[ 1] ^ rk[ 6];
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rk[ 8] = rk[ 2] ^ rk[ 7];
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@ -835,10 +904,10 @@ static int aes_set_encrypt_key(const unsigned char *userKey, const int bits,
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while (1) {
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temp = rk[ 7];
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rk[ 8] = rk[ 0] ^
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(Te4[(temp >> 16) & 0xff] & 0xff000000) ^
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(Te4[(temp >> 8) & 0xff] & 0x00ff0000) ^
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(Te4[(temp) & 0xff] & 0x0000ff00) ^
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(Te4[(temp >> 24) ] & 0x000000ff) ^
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(Te4((temp >> 16) & 0xff) & 0xff000000) ^
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(Te4((temp >> 8) & 0xff) & 0x00ff0000) ^
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(Te4((temp) & 0xff) & 0x0000ff00) ^
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(Te4((temp >> 24) ) & 0x000000ff) ^
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rcon[i];
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rk[ 9] = rk[ 1] ^ rk[ 8];
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rk[10] = rk[ 2] ^ rk[ 9];
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@ -850,10 +919,10 @@ static int aes_set_encrypt_key(const unsigned char *userKey, const int bits,
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temp = rk[11];
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rk[12] = rk[ 4] ^
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(Te4[(temp >> 24) ] & 0xff000000) ^
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(Te4[(temp >> 16) & 0xff] & 0x00ff0000) ^
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(Te4[(temp >> 8) & 0xff] & 0x0000ff00) ^
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(Te4[(temp) & 0xff] & 0x000000ff);
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(Te4((temp >> 24) ) & 0xff000000) ^
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(Te4((temp >> 16) & 0xff) & 0x00ff0000) ^
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(Te4((temp >> 8) & 0xff) & 0x0000ff00) ^
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(Te4((temp) & 0xff) & 0x000000ff);
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rk[13] = rk[ 5] ^ rk[12];
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rk[14] = rk[ 6] ^ rk[13];
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rk[15] = rk[ 7] ^ rk[14];
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@ -906,26 +975,36 @@ static int aes_set_decrypt_key(const unsigned char *userKey, const int bits,
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**/
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for (i = 1; i < (key->rounds); i++) {
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rk += 4;
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#ifdef FULL_UNROLL
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rk[0] =
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Td0[Te4[(rk[0] >> 24) ] & 0xff] ^
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Td1[Te4[(rk[0] >> 16) & 0xff] & 0xff] ^
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Td2[Te4[(rk[0] >> 8) & 0xff] & 0xff] ^
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Td3[Te4[(rk[0]) & 0xff] & 0xff];
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Td0(Te4((rk[0] >> 24) ) & 0xff) ^
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Td1(Te4((rk[0] >> 16) & 0xff) & 0xff) ^
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Td2(Te4((rk[0] >> 8) & 0xff) & 0xff) ^
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Td3(Te4((rk[0]) & 0xff) & 0xff);
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rk[1] =
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Td0[Te4[(rk[1] >> 24) ] & 0xff] ^
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Td1[Te4[(rk[1] >> 16) & 0xff] & 0xff] ^
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Td2[Te4[(rk[1] >> 8) & 0xff] & 0xff] ^
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Td3[Te4[(rk[1]) & 0xff] & 0xff];
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Td0(Te4((rk[1] >> 24) ) & 0xff) ^
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Td1(Te4((rk[1] >> 16) & 0xff) & 0xff) ^
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Td2(Te4((rk[1] >> 8) & 0xff) & 0xff) ^
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Td3(Te4((rk[1]) & 0xff) & 0xff);
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rk[2] =
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Td0[Te4[(rk[2] >> 24) ] & 0xff] ^
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Td1[Te4[(rk[2] >> 16) & 0xff] & 0xff] ^
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Td2[Te4[(rk[2] >> 8) & 0xff] & 0xff] ^
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Td3[Te4[(rk[2]) & 0xff] & 0xff];
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Td0(Te4((rk[2] >> 24) ) & 0xff) ^
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Td1(Te4((rk[2] >> 16) & 0xff) & 0xff) ^
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Td2(Te4((rk[2] >> 8) & 0xff) & 0xff) ^
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Td3(Te4((rk[2]) & 0xff) & 0xff);
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rk[3] =
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Td0[Te4[(rk[3] >> 24) ] & 0xff] ^
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Td1[Te4[(rk[3] >> 16) & 0xff] & 0xff] ^
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Td2[Te4[(rk[3] >> 8) & 0xff] & 0xff] ^
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Td3[Te4[(rk[3]) & 0xff] & 0xff];
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Td0(Te4((rk[3] >> 24) ) & 0xff) ^
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Td1(Te4((rk[3] >> 16) & 0xff) & 0xff) ^
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Td2(Te4((rk[3] >> 8) & 0xff) & 0xff) ^
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Td3(Te4((rk[3]) & 0xff) & 0xff);
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#else
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for (int k = 0; k < 4; k++) {
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rk[k] =
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Td0(Te4((rk[k] >> 24) ) & 0xff) ^
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Td1(Te4((rk[k] >> 16) & 0xff) & 0xff) ^
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Td2(Te4((rk[k] >> 8) & 0xff) & 0xff) ^
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Td3(Te4((rk[k]) & 0xff) & 0xff);
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}
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#endif
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}
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return 0;
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@ -967,126 +1046,126 @@ int aes_encrypt(const cipher_context_t *context, const uint8_t *plainBlock,
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s3 = GETU32(plainBlock + 12) ^ rk[3];
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#ifdef FULL_UNROLL
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/* round 1: */
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t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^
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Te3[s3 & 0xff] ^ rk[ 4];
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t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^
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Te3[s0 & 0xff] ^ rk[ 5];
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t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^
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Te3[s1 & 0xff] ^ rk[ 6];
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t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^
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Te3[s2 & 0xff] ^ rk[ 7];
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t0 = Te0(s0 >> 24) ^ Te1((s1 >> 16) & 0xff) ^ Te2((s2 >> 8) & 0xff) ^
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Te3(s3 & 0xff) ^ rk[ 4];
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t1 = Te0(s1 >> 24) ^ Te1((s2 >> 16) & 0xff) ^ Te2((s3 >> 8) & 0xff) ^
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Te3(s0 & 0xff) ^ rk[ 5];
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t2 = Te0(s2 >> 24) ^ Te1((s3 >> 16) & 0xff) ^ Te2((s0 >> 8) & 0xff) ^
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Te3(s1 & 0xff) ^ rk[ 6];
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t3 = Te0(s3 >> 24) ^ Te1((s0 >> 16) & 0xff) ^ Te2((s1 >> 8) & 0xff) ^
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Te3(s2 & 0xff) ^ rk[ 7];
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/* round 2: */
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s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^
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Te3[t3 & 0xff] ^ rk[ 8];
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s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^
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Te3[t0 & 0xff] ^ rk[ 9];
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s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^
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Te3[t1 & 0xff] ^ rk[10];
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s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^
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Te3[t2 & 0xff] ^ rk[11];
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s0 = Te0(t0 >> 24) ^ Te1((t1 >> 16) & 0xff) ^ Te2((t2 >> 8) & 0xff) ^
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Te3(t3 & 0xff) ^ rk[ 8];
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s1 = Te0(t1 >> 24) ^ Te1((t2 >> 16) & 0xff) ^ Te2((t3 >> 8) & 0xff) ^
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Te3(t0 & 0xff) ^ rk[ 9];
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s2 = Te0(t2 >> 24) ^ Te1((t3 >> 16) & 0xff) ^ Te2((t0 >> 8) & 0xff) ^
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Te3(t1 & 0xff) ^ rk[10];
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s3 = Te0(t3 >> 24) ^ Te1((t0 >> 16) & 0xff) ^ Te2((t1 >> 8) & 0xff) ^
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Te3(t2 & 0xff) ^ rk[11];
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/* round 3: */
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t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^
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Te3[s3 & 0xff] ^ rk[12];
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t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^
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Te3[s0 & 0xff] ^ rk[13];
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t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^
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Te3[s1 & 0xff] ^ rk[14];
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t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^
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Te3[s2 & 0xff] ^ rk[15];
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t0 = Te0(s0 >> 24) ^ Te1((s1 >> 16) & 0xff) ^ Te2((s2 >> 8) & 0xff) ^
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Te3(s3 & 0xff) ^ rk[12];
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t1 = Te0(s1 >> 24) ^ Te1((s2 >> 16) & 0xff) ^ Te2((s3 >> 8) & 0xff) ^
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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];
|
||||
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];
|
||||
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];
|
||||
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];
|
||||
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];
|
||||
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];
|
||||
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];
|
||||
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];
|
||||
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];
|
||||
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];
|
||||
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];
|
||||
}
|
||||
}
|
||||
|
||||
@ -1099,28 +1178,28 @@ int aes_encrypt(const cipher_context_t *context, const uint8_t *plainBlock,
|
||||
|
||||
while (1) {
|
||||
t0 =
|
||||
Te0[(s0 >> 24) ] ^
|
||||
Te1[(s1 >> 16) & 0xff] ^
|
||||
Te2[(s2 >> 8) & 0xff] ^
|
||||
Te3[(s3) & 0xff] ^
|
||||
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] ^
|
||||
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] ^
|
||||
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] ^
|
||||
Te0((s3 >> 24) ) ^
|
||||
Te1((s0 >> 16) & 0xff) ^
|
||||
Te2((s1 >> 8) & 0xff) ^
|
||||
Te3((s2) & 0xff) ^
|
||||
rk[7];
|
||||
|
||||
rk += 8;
|
||||
@ -1130,28 +1209,28 @@ int aes_encrypt(const cipher_context_t *context, const uint8_t *plainBlock,
|
||||
}
|
||||
|
||||
s0 =
|
||||
Te0[(t0 >> 24) ] ^
|
||||
Te1[(t1 >> 16) & 0xff] ^
|
||||
Te2[(t2 >> 8) & 0xff] ^
|
||||
Te3[(t3) & 0xff] ^
|
||||
Te0((t0 >> 24) ) ^
|
||||
Te1((t1 >> 16) & 0xff) ^
|
||||
Te2((t2 >> 8) & 0xff) ^
|
||||
Te3((t3) & 0xff) ^
|
||||
rk[0];
|
||||
s1 =
|
||||
Te0[(t1 >> 24) ] ^
|
||||
Te1[(t2 >> 16) & 0xff] ^
|
||||
Te2[(t3 >> 8) & 0xff] ^
|
||||
Te3[(t0) & 0xff] ^
|
||||
Te0((t1 >> 24) ) ^
|
||||
Te1((t2 >> 16) & 0xff) ^
|
||||
Te2((t3 >> 8) & 0xff) ^
|
||||
Te3((t0) & 0xff) ^
|
||||
rk[1];
|
||||
s2 =
|
||||
Te0[(t2 >> 24) ] ^
|
||||
Te1[(t3 >> 16) & 0xff] ^
|
||||
Te2[(t0 >> 8) & 0xff] ^
|
||||
Te3[(t1) & 0xff] ^
|
||||
Te0((t2 >> 24) ) ^
|
||||
Te1((t3 >> 16) & 0xff) ^
|
||||
Te2((t0 >> 8) & 0xff) ^
|
||||
Te3((t1) & 0xff) ^
|
||||
rk[2];
|
||||
s3 =
|
||||
Te0[(t3 >> 24) ] ^
|
||||
Te1[(t0 >> 16) & 0xff] ^
|
||||
Te2[(t1 >> 8) & 0xff] ^
|
||||
Te3[(t2) & 0xff] ^
|
||||
Te0((t3 >> 24) ) ^
|
||||
Te1((t0 >> 16) & 0xff) ^
|
||||
Te2((t1 >> 8) & 0xff) ^
|
||||
Te3((t2) & 0xff) ^
|
||||
rk[3];
|
||||
}
|
||||
|
||||
@ -1161,31 +1240,31 @@ int aes_encrypt(const cipher_context_t *context, const uint8_t *plainBlock,
|
||||
* map cipher state to byte array block:
|
||||
*/
|
||||
s0 =
|
||||
(Te4[(t0 >> 24) ] & 0xff000000) ^
|
||||
(Te4[(t1 >> 16) & 0xff] & 0x00ff0000) ^
|
||||
(Te4[(t2 >> 8) & 0xff] & 0x0000ff00) ^
|
||||
(Te4[(t3) & 0xff] & 0x000000ff) ^
|
||||
(Te4((t0 >> 24) ) & 0xff000000) ^
|
||||
(Te4((t1 >> 16) & 0xff) & 0x00ff0000) ^
|
||||
(Te4((t2 >> 8) & 0xff) & 0x0000ff00) ^
|
||||
(Te4((t3) & 0xff) & 0x000000ff) ^
|
||||
rk[0];
|
||||
PUTU32(cipherBlock , s0);
|
||||
s1 =
|
||||
(Te4[(t1 >> 24) ] & 0xff000000) ^
|
||||
(Te4[(t2 >> 16) & 0xff] & 0x00ff0000) ^
|
||||
(Te4[(t3 >> 8) & 0xff] & 0x0000ff00) ^
|
||||
(Te4[(t0) & 0xff] & 0x000000ff) ^
|
||||
(Te4((t1 >> 24) ) & 0xff000000) ^
|
||||
(Te4((t2 >> 16) & 0xff) & 0x00ff0000) ^
|
||||
(Te4((t3 >> 8) & 0xff) & 0x0000ff00) ^
|
||||
(Te4((t0) & 0xff) & 0x000000ff) ^
|
||||
rk[1];
|
||||
PUTU32(cipherBlock + 4, s1);
|
||||
s2 =
|
||||
(Te4[(t2 >> 24) ] & 0xff000000) ^
|
||||
(Te4[(t3 >> 16) & 0xff] & 0x00ff0000) ^
|
||||
(Te4[(t0 >> 8) & 0xff] & 0x0000ff00) ^
|
||||
(Te4[(t1) & 0xff] & 0x000000ff) ^
|
||||
(Te4((t2 >> 24) ) & 0xff000000) ^
|
||||
(Te4((t3 >> 16) & 0xff) & 0x00ff0000) ^
|
||||
(Te4((t0 >> 8) & 0xff) & 0x0000ff00) ^
|
||||
(Te4((t1) & 0xff) & 0x000000ff) ^
|
||||
rk[2];
|
||||
PUTU32(cipherBlock + 8, s2);
|
||||
s3 =
|
||||
(Te4[(t3 >> 24) ] & 0xff000000) ^
|
||||
(Te4[(t0 >> 16) & 0xff] & 0x00ff0000) ^
|
||||
(Te4[(t1 >> 8) & 0xff] & 0x0000ff00) ^
|
||||
(Te4[(t2) & 0xff] & 0x000000ff) ^
|
||||
(Te4((t3 >> 24) ) & 0xff000000) ^
|
||||
(Te4((t0 >> 16) & 0xff) & 0x00ff0000) ^
|
||||
(Te4((t1 >> 8) & 0xff) & 0x0000ff00) ^
|
||||
(Te4((t2) & 0xff) & 0x000000ff) ^
|
||||
rk[3];
|
||||
PUTU32(cipherBlock + 12, s3);
|
||||
return 1;
|
||||
@ -1227,126 +1306,126 @@ int aes_decrypt(const cipher_context_t *context, const uint8_t *cipherBlock,
|
||||
s3 = GETU32(cipherBlock + 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];
|
||||
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];
|
||||
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];
|
||||
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];
|
||||
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];
|
||||
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];
|
||||
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];
|
||||
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];
|
||||
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];
|
||||
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];
|
||||
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];
|
||||
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];
|
||||
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];
|
||||
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];
|
||||
}
|
||||
}
|
||||
|
||||
@ -1359,28 +1438,28 @@ int aes_decrypt(const cipher_context_t *context, const uint8_t *cipherBlock,
|
||||
|
||||
while (1) {
|
||||
t0 =
|
||||
Td0[(s0 >> 24) ] ^
|
||||
Td1[(s3 >> 16) & 0xff] ^
|
||||
Td2[(s2 >> 8) & 0xff] ^
|
||||
Td3[(s1) & 0xff] ^
|
||||
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] ^
|
||||
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] ^
|
||||
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] ^
|
||||
Td0((s3 >> 24) ) ^
|
||||
Td1((s2 >> 16) & 0xff) ^
|
||||
Td2((s1 >> 8) & 0xff) ^
|
||||
Td3((s0) & 0xff) ^
|
||||
rk[7];
|
||||
|
||||
rk += 8;
|
||||
@ -1390,28 +1469,28 @@ int aes_decrypt(const cipher_context_t *context, const uint8_t *cipherBlock,
|
||||
}
|
||||
|
||||
s0 =
|
||||
Td0[(t0 >> 24) ] ^
|
||||
Td1[(t3 >> 16) & 0xff] ^
|
||||
Td2[(t2 >> 8) & 0xff] ^
|
||||
Td3[(t1) & 0xff] ^
|
||||
Td0((t0 >> 24) ) ^
|
||||
Td1((t3 >> 16) & 0xff) ^
|
||||
Td2((t2 >> 8) & 0xff) ^
|
||||
Td3((t1) & 0xff) ^
|
||||
rk[0];
|
||||
s1 =
|
||||
Td0[(t1 >> 24) ] ^
|
||||
Td1[(t0 >> 16) & 0xff] ^
|
||||
Td2[(t3 >> 8) & 0xff] ^
|
||||
Td3[(t2) & 0xff] ^
|
||||
Td0((t1 >> 24) ) ^
|
||||
Td1((t0 >> 16) & 0xff) ^
|
||||
Td2((t3 >> 8) & 0xff) ^
|
||||
Td3((t2) & 0xff) ^
|
||||
rk[1];
|
||||
s2 =
|
||||
Td0[(t2 >> 24) ] ^
|
||||
Td1[(t1 >> 16) & 0xff] ^
|
||||
Td2[(t0 >> 8) & 0xff] ^
|
||||
Td3[(t3) & 0xff] ^
|
||||
Td0((t2 >> 24) ) ^
|
||||
Td1((t1 >> 16) & 0xff) ^
|
||||
Td2((t0 >> 8) & 0xff) ^
|
||||
Td3((t3) & 0xff) ^
|
||||
rk[2];
|
||||
s3 =
|
||||
Td0[(t3 >> 24) ] ^
|
||||
Td1[(t2 >> 16) & 0xff] ^
|
||||
Td2[(t1 >> 8) & 0xff] ^
|
||||
Td3[(t0) & 0xff] ^
|
||||
Td0((t3 >> 24) ) ^
|
||||
Td1((t2 >> 16) & 0xff) ^
|
||||
Td2((t1 >> 8) & 0xff) ^
|
||||
Td3((t0) & 0xff) ^
|
||||
rk[3];
|
||||
}
|
||||
|
||||
@ -1421,31 +1500,31 @@ int aes_decrypt(const cipher_context_t *context, const uint8_t *cipherBlock,
|
||||
* map cipher state to byte array block:
|
||||
*/
|
||||
s0 =
|
||||
(Td4[(t0 >> 24) ] & 0xff000000) ^
|
||||
(Td4[(t3 >> 16) & 0xff] & 0x00ff0000) ^
|
||||
(Td4[(t2 >> 8) & 0xff] & 0x0000ff00) ^
|
||||
(Td4[(t1) & 0xff] & 0x000000ff) ^
|
||||
(Td4((t0 >> 24) ) & 0xff000000) ^
|
||||
(Td4((t3 >> 16) & 0xff) & 0x00ff0000) ^
|
||||
(Td4((t2 >> 8) & 0xff) & 0x0000ff00) ^
|
||||
(Td4((t1) & 0xff) & 0x000000ff) ^
|
||||
rk[0];
|
||||
PUTU32(plainBlock , s0);
|
||||
s1 =
|
||||
(Td4[(t1 >> 24) ] & 0xff000000) ^
|
||||
(Td4[(t0 >> 16) & 0xff] & 0x00ff0000) ^
|
||||
(Td4[(t3 >> 8) & 0xff] & 0x0000ff00) ^
|
||||
(Td4[(t2) & 0xff] & 0x000000ff) ^
|
||||
(Td4((t1 >> 24) ) & 0xff000000) ^
|
||||
(Td4((t0 >> 16) & 0xff) & 0x00ff0000) ^
|
||||
(Td4((t3 >> 8) & 0xff) & 0x0000ff00) ^
|
||||
(Td4((t2) & 0xff) & 0x000000ff) ^
|
||||
rk[1];
|
||||
PUTU32(plainBlock + 4, s1);
|
||||
s2 =
|
||||
(Td4[(t2 >> 24) ] & 0xff000000) ^
|
||||
(Td4[(t1 >> 16) & 0xff] & 0x00ff0000) ^
|
||||
(Td4[(t0 >> 8) & 0xff] & 0x0000ff00) ^
|
||||
(Td4[(t3) & 0xff] & 0x000000ff) ^
|
||||
(Td4((t2 >> 24) ) & 0xff000000) ^
|
||||
(Td4((t1 >> 16) & 0xff) & 0x00ff0000) ^
|
||||
(Td4((t0 >> 8) & 0xff) & 0x0000ff00) ^
|
||||
(Td4((t3) & 0xff) & 0x000000ff) ^
|
||||
rk[2];
|
||||
PUTU32(plainBlock + 8, s2);
|
||||
s3 =
|
||||
(Td4[(t3 >> 24) ] & 0xff000000) ^
|
||||
(Td4[(t2 >> 16) & 0xff] & 0x00ff0000) ^
|
||||
(Td4[(t1 >> 8) & 0xff] & 0x0000ff00) ^
|
||||
(Td4[(t0) & 0xff] & 0x000000ff) ^
|
||||
(Td4((t3 >> 24) ) & 0xff000000) ^
|
||||
(Td4((t2 >> 16) & 0xff) & 0x00ff0000) ^
|
||||
(Td4((t1 >> 8) & 0xff) & 0x0000ff00) ^
|
||||
(Td4((t0) & 0xff) & 0x000000ff) ^
|
||||
rk[3];
|
||||
PUTU32(plainBlock + 12, s3);
|
||||
return 1;
|
||||
|
||||
@ -37,6 +37,8 @@ typedef uint32_t u32;
|
||||
typedef uint16_t u16;
|
||||
typedef uint8_t u8;
|
||||
|
||||
/* This controls AES table calculation on the fly */
|
||||
#define AES_CALCULATE_TABLES
|
||||
|
||||
/* This controls loop-unrolling in aes_core.c */
|
||||
#undef FULL_UNROLL
|
||||
|
||||
Loading…
Reference in New Issue
Block a user