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authorEgor Tensin <Egor.Tensin@gmail.com>2015-06-17 21:09:42 +0300
committerEgor Tensin <Egor.Tensin@gmail.com>2015-06-17 21:09:42 +0300
commit8430473494fcdbf39e02fcff80d51124df728e97 (patch)
treeba2a30c419e2d2e9fdd05ff697d98e24f1ef1876 /src/c
parentfactoring out AES-specific stuff (diff)
downloadaes-tools-8430473494fcdbf39e02fcff80d51124df728e97.tar.gz
aes-tools-8430473494fcdbf39e02fcff80d51124df728e97.zip
refactoring
Diffstat (limited to '')
-rw-r--r--src/c/aes128.c102
-rw-r--r--src/c/aes192.c126
-rw-r--r--src/c/aes256.c134
3 files changed, 181 insertions, 181 deletions
diff --git a/src/c/aes128.c b/src/c/aes128.c
index 49ebc4a..8f2da44 100644
--- a/src/c/aes128.c
+++ b/src/c/aes128.c
@@ -12,37 +12,37 @@
#include <wmmintrin.h>
AesNI_Block128 __fastcall aesni_aes128_encrypt_block_(
- AesNI_Block128 plain,
- const AesNI_Aes128_RoundKeys* key_schedule)
+ AesNI_Block128 plaintext,
+ const AesNI_Aes128_RoundKeys* encryption_keys)
{
- plain = _mm_xor_si128(plain, key_schedule->keys[0]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[1]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[2]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[3]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[4]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[5]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[6]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[7]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[8]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[9]);
- return _mm_aesenclast_si128(plain, key_schedule->keys[10]);
+ plaintext = _mm_xor_si128(plaintext, encryption_keys->keys[0]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[1]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[2]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[3]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[4]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[5]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[6]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[7]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[8]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[9]);
+ return _mm_aesenclast_si128(plaintext, encryption_keys->keys[10]);
}
AesNI_Block128 __fastcall aesni_aes128_decrypt_block_(
- AesNI_Block128 cipher,
- const AesNI_Aes128_RoundKeys* inverted_schedule)
+ AesNI_Block128 ciphertext,
+ const AesNI_Aes128_RoundKeys* decryption_keys)
{
- cipher = _mm_xor_si128(cipher, inverted_schedule->keys[0]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[1]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[2]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[3]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[4]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[5]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[6]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[7]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[8]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[9]);
- return _mm_aesdeclast_si128(cipher, inverted_schedule->keys[10]);
+ ciphertext = _mm_xor_si128(ciphertext, decryption_keys->keys[0]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[1]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[2]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[3]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[4]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[5]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[6]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[7]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[8]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[9]);
+ return _mm_aesdeclast_si128(ciphertext, decryption_keys->keys[10]);
}
static AesNI_Block128 __fastcall aesni_aes128_expand_key_assist(
@@ -66,34 +66,34 @@ static AesNI_Block128 __fastcall aesni_aes128_expand_key_assist(
void __fastcall aesni_aes128_expand_key_(
AesNI_Block128 key,
- AesNI_Aes128_RoundKeys* key_schedule)
+ AesNI_Aes128_RoundKeys* encryption_keys)
{
- AesNI_Block128 prev = key_schedule->keys[0] = key;
- prev = key_schedule->keys[1] = aesni_aes128_expand_key_assist(prev, _mm_aeskeygenassist_si128(prev, 0x01));
- prev = key_schedule->keys[2] = aesni_aes128_expand_key_assist(prev, _mm_aeskeygenassist_si128(prev, 0x02));
- prev = key_schedule->keys[3] = aesni_aes128_expand_key_assist(prev, _mm_aeskeygenassist_si128(prev, 0x04));
- prev = key_schedule->keys[4] = aesni_aes128_expand_key_assist(prev, _mm_aeskeygenassist_si128(prev, 0x08));
- prev = key_schedule->keys[5] = aesni_aes128_expand_key_assist(prev, _mm_aeskeygenassist_si128(prev, 0x10));
- prev = key_schedule->keys[6] = aesni_aes128_expand_key_assist(prev, _mm_aeskeygenassist_si128(prev, 0x20));
- prev = key_schedule->keys[7] = aesni_aes128_expand_key_assist(prev, _mm_aeskeygenassist_si128(prev, 0x40));
- prev = key_schedule->keys[8] = aesni_aes128_expand_key_assist(prev, _mm_aeskeygenassist_si128(prev, 0x80));
- prev = key_schedule->keys[9] = aesni_aes128_expand_key_assist(prev, _mm_aeskeygenassist_si128(prev, 0x1b));
- prev = key_schedule->keys[10] = aesni_aes128_expand_key_assist(prev, _mm_aeskeygenassist_si128(prev, 0x36));
+ AesNI_Block128 prev = encryption_keys->keys[0] = key;
+ prev = encryption_keys->keys[1] = aesni_aes128_expand_key_assist(prev, _mm_aeskeygenassist_si128(prev, 0x01));
+ prev = encryption_keys->keys[2] = aesni_aes128_expand_key_assist(prev, _mm_aeskeygenassist_si128(prev, 0x02));
+ prev = encryption_keys->keys[3] = aesni_aes128_expand_key_assist(prev, _mm_aeskeygenassist_si128(prev, 0x04));
+ prev = encryption_keys->keys[4] = aesni_aes128_expand_key_assist(prev, _mm_aeskeygenassist_si128(prev, 0x08));
+ prev = encryption_keys->keys[5] = aesni_aes128_expand_key_assist(prev, _mm_aeskeygenassist_si128(prev, 0x10));
+ prev = encryption_keys->keys[6] = aesni_aes128_expand_key_assist(prev, _mm_aeskeygenassist_si128(prev, 0x20));
+ prev = encryption_keys->keys[7] = aesni_aes128_expand_key_assist(prev, _mm_aeskeygenassist_si128(prev, 0x40));
+ prev = encryption_keys->keys[8] = aesni_aes128_expand_key_assist(prev, _mm_aeskeygenassist_si128(prev, 0x80));
+ prev = encryption_keys->keys[9] = aesni_aes128_expand_key_assist(prev, _mm_aeskeygenassist_si128(prev, 0x1b));
+ prev = encryption_keys->keys[10] = aesni_aes128_expand_key_assist(prev, _mm_aeskeygenassist_si128(prev, 0x36));
}
void __fastcall aesni_aes128_derive_decryption_keys_(
- const AesNI_Aes128_RoundKeys* key_schedule,
- AesNI_Aes128_RoundKeys* inverted_schedule)
+ const AesNI_Aes128_RoundKeys* encryption_keys,
+ AesNI_Aes128_RoundKeys* decryption_keys)
{
- inverted_schedule->keys[0] = key_schedule->keys[10];
- inverted_schedule->keys[1] = _mm_aesimc_si128(key_schedule->keys[9]);
- inverted_schedule->keys[2] = _mm_aesimc_si128(key_schedule->keys[8]);
- inverted_schedule->keys[3] = _mm_aesimc_si128(key_schedule->keys[7]);
- inverted_schedule->keys[4] = _mm_aesimc_si128(key_schedule->keys[6]);
- inverted_schedule->keys[5] = _mm_aesimc_si128(key_schedule->keys[5]);
- inverted_schedule->keys[6] = _mm_aesimc_si128(key_schedule->keys[4]);
- inverted_schedule->keys[7] = _mm_aesimc_si128(key_schedule->keys[3]);
- inverted_schedule->keys[8] = _mm_aesimc_si128(key_schedule->keys[2]);
- inverted_schedule->keys[9] = _mm_aesimc_si128(key_schedule->keys[1]);
- inverted_schedule->keys[10] = key_schedule->keys[0];
+ decryption_keys->keys[0] = encryption_keys->keys[10];
+ decryption_keys->keys[1] = _mm_aesimc_si128(encryption_keys->keys[9]);
+ decryption_keys->keys[2] = _mm_aesimc_si128(encryption_keys->keys[8]);
+ decryption_keys->keys[3] = _mm_aesimc_si128(encryption_keys->keys[7]);
+ decryption_keys->keys[4] = _mm_aesimc_si128(encryption_keys->keys[6]);
+ decryption_keys->keys[5] = _mm_aesimc_si128(encryption_keys->keys[5]);
+ decryption_keys->keys[6] = _mm_aesimc_si128(encryption_keys->keys[4]);
+ decryption_keys->keys[7] = _mm_aesimc_si128(encryption_keys->keys[3]);
+ decryption_keys->keys[8] = _mm_aesimc_si128(encryption_keys->keys[2]);
+ decryption_keys->keys[9] = _mm_aesimc_si128(encryption_keys->keys[1]);
+ decryption_keys->keys[10] = encryption_keys->keys[0];
}
diff --git a/src/c/aes192.c b/src/c/aes192.c
index d6ecea1..6e97637 100644
--- a/src/c/aes192.c
+++ b/src/c/aes192.c
@@ -12,41 +12,41 @@
#include <wmmintrin.h>
AesNI_Block128 __fastcall aesni_aes192_encrypt_block_(
- AesNI_Block128 plain,
- const AesNI_Aes192_RoundKeys* key_schedule)
+ AesNI_Block128 plaintext,
+ const AesNI_Aes192_RoundKeys* encryption_keys)
{
- plain = _mm_xor_si128(plain, key_schedule->keys[0]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[1]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[2]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[3]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[4]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[5]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[6]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[7]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[8]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[9]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[10]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[11]);
- return _mm_aesenclast_si128(plain, key_schedule->keys[12]);
+ plaintext = _mm_xor_si128(plaintext, encryption_keys->keys[0]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[1]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[2]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[3]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[4]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[5]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[6]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[7]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[8]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[9]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[10]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[11]);
+ return _mm_aesenclast_si128(plaintext, encryption_keys->keys[12]);
}
AesNI_Block128 __fastcall aesni_aes192_decrypt_block_(
- AesNI_Block128 cipher,
- const AesNI_Aes192_RoundKeys* inverted_schedule)
+ AesNI_Block128 ciphertext,
+ const AesNI_Aes192_RoundKeys* decryption_keys)
{
- cipher = _mm_xor_si128(cipher, inverted_schedule->keys[0]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[1]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[2]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[3]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[4]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[5]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[6]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[7]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[8]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[9]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[10]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[11]);
- return _mm_aesdeclast_si128(cipher, inverted_schedule->keys[12]);
+ ciphertext = _mm_xor_si128(ciphertext, decryption_keys->keys[0]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[1]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[2]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[3]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[4]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[5]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[6]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[7]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[8]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[9]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[10]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[11]);
+ return _mm_aesdeclast_si128(ciphertext, decryption_keys->keys[12]);
}
static void __fastcall aesni_aes192_expand_key_assist(
@@ -77,58 +77,58 @@ static void __fastcall aesni_aes192_expand_key_assist(
void __fastcall aesni_aes192_expand_key_(
AesNI_Block128 key_lo,
AesNI_Block128 key_hi,
- AesNI_Aes192_RoundKeys* key_schedule)
+ AesNI_Aes192_RoundKeys* encryption_keys)
{
- key_schedule->keys[0] = key_lo;
- key_schedule->keys[1] = key_hi;
+ encryption_keys->keys[0] = key_lo;
+ encryption_keys->keys[1] = key_hi;
aesni_aes192_expand_key_assist(&key_lo, &key_hi, _mm_aeskeygenassist_si128(key_hi, 0x01));
- key_schedule->keys[1] = _mm_castpd_si128(_mm_shuffle_pd(_mm_castsi128_pd(key_schedule->keys[1]), _mm_castsi128_pd(key_lo), 0));
- key_schedule->keys[2] = _mm_castpd_si128(_mm_shuffle_pd(_mm_castsi128_pd(key_lo), _mm_castsi128_pd(key_hi), 1));
+ encryption_keys->keys[1] = _mm_castpd_si128(_mm_shuffle_pd(_mm_castsi128_pd(encryption_keys->keys[1]), _mm_castsi128_pd(key_lo), 0));
+ encryption_keys->keys[2] = _mm_castpd_si128(_mm_shuffle_pd(_mm_castsi128_pd(key_lo), _mm_castsi128_pd(key_hi), 1));
aesni_aes192_expand_key_assist(&key_lo, &key_hi, _mm_aeskeygenassist_si128(key_hi, 0x02));
- key_schedule->keys[3] = key_lo;
- key_schedule->keys[4] = key_hi;
+ encryption_keys->keys[3] = key_lo;
+ encryption_keys->keys[4] = key_hi;
aesni_aes192_expand_key_assist(&key_lo, &key_hi, _mm_aeskeygenassist_si128(key_hi, 0x04));
- key_schedule->keys[4] = _mm_castpd_si128(_mm_shuffle_pd(_mm_castsi128_pd(key_schedule->keys[4]), _mm_castsi128_pd(key_lo), 0));
- key_schedule->keys[5] = _mm_castpd_si128(_mm_shuffle_pd(_mm_castsi128_pd(key_lo), _mm_castsi128_pd(key_hi), 1));
+ encryption_keys->keys[4] = _mm_castpd_si128(_mm_shuffle_pd(_mm_castsi128_pd(encryption_keys->keys[4]), _mm_castsi128_pd(key_lo), 0));
+ encryption_keys->keys[5] = _mm_castpd_si128(_mm_shuffle_pd(_mm_castsi128_pd(key_lo), _mm_castsi128_pd(key_hi), 1));
aesni_aes192_expand_key_assist(&key_lo, &key_hi, _mm_aeskeygenassist_si128(key_hi, 0x08));
- key_schedule->keys[6] = key_lo;
- key_schedule->keys[7] = key_hi;
+ encryption_keys->keys[6] = key_lo;
+ encryption_keys->keys[7] = key_hi;
aesni_aes192_expand_key_assist(&key_lo, &key_hi, _mm_aeskeygenassist_si128(key_hi, 0x10));
- key_schedule->keys[7] = _mm_castpd_si128(_mm_shuffle_pd(_mm_castsi128_pd(key_schedule->keys[7]), _mm_castsi128_pd(key_lo), 0));
- key_schedule->keys[8] = _mm_castpd_si128(_mm_shuffle_pd(_mm_castsi128_pd(key_lo), _mm_castsi128_pd(key_hi), 1));
+ encryption_keys->keys[7] = _mm_castpd_si128(_mm_shuffle_pd(_mm_castsi128_pd(encryption_keys->keys[7]), _mm_castsi128_pd(key_lo), 0));
+ encryption_keys->keys[8] = _mm_castpd_si128(_mm_shuffle_pd(_mm_castsi128_pd(key_lo), _mm_castsi128_pd(key_hi), 1));
aesni_aes192_expand_key_assist(&key_lo, &key_hi, _mm_aeskeygenassist_si128(key_hi, 0x20));
- key_schedule->keys[9] = key_lo;
- key_schedule->keys[10] = key_hi;
+ encryption_keys->keys[9] = key_lo;
+ encryption_keys->keys[10] = key_hi;
aesni_aes192_expand_key_assist(&key_lo, &key_hi, _mm_aeskeygenassist_si128(key_hi, 0x40));
- key_schedule->keys[10] = _mm_castpd_si128(_mm_shuffle_pd(_mm_castsi128_pd(key_schedule->keys[10]), _mm_castsi128_pd(key_lo), 0));
- key_schedule->keys[11] = _mm_castpd_si128(_mm_shuffle_pd(_mm_castsi128_pd(key_lo), _mm_castsi128_pd(key_hi), 1));
+ encryption_keys->keys[10] = _mm_castpd_si128(_mm_shuffle_pd(_mm_castsi128_pd(encryption_keys->keys[10]), _mm_castsi128_pd(key_lo), 0));
+ encryption_keys->keys[11] = _mm_castpd_si128(_mm_shuffle_pd(_mm_castsi128_pd(key_lo), _mm_castsi128_pd(key_hi), 1));
aesni_aes192_expand_key_assist(&key_lo, &key_hi, _mm_aeskeygenassist_si128(key_hi, 0x80));
- key_schedule->keys[12] = key_lo;
+ encryption_keys->keys[12] = key_lo;
}
void __fastcall aesni_aes192_derive_decryption_keys_(
- const AesNI_Aes192_RoundKeys* key_schedule,
- AesNI_Aes192_RoundKeys* inverted_schedule)
+ const AesNI_Aes192_RoundKeys* encryption_keys,
+ AesNI_Aes192_RoundKeys* decryption_keys)
{
- inverted_schedule->keys[0] = key_schedule->keys[12];
- inverted_schedule->keys[1] = _mm_aesimc_si128(key_schedule->keys[11]);
- inverted_schedule->keys[2] = _mm_aesimc_si128(key_schedule->keys[10]);
- inverted_schedule->keys[3] = _mm_aesimc_si128(key_schedule->keys[9]);
- inverted_schedule->keys[4] = _mm_aesimc_si128(key_schedule->keys[8]);
- inverted_schedule->keys[5] = _mm_aesimc_si128(key_schedule->keys[7]);
- inverted_schedule->keys[6] = _mm_aesimc_si128(key_schedule->keys[6]);
- inverted_schedule->keys[7] = _mm_aesimc_si128(key_schedule->keys[5]);
- inverted_schedule->keys[8] = _mm_aesimc_si128(key_schedule->keys[4]);
- inverted_schedule->keys[9] = _mm_aesimc_si128(key_schedule->keys[3]);
- inverted_schedule->keys[10] = _mm_aesimc_si128(key_schedule->keys[2]);
- inverted_schedule->keys[11] = _mm_aesimc_si128(key_schedule->keys[1]);
- inverted_schedule->keys[12] = key_schedule->keys[0];
+ decryption_keys->keys[0] = encryption_keys->keys[12];
+ decryption_keys->keys[1] = _mm_aesimc_si128(encryption_keys->keys[11]);
+ decryption_keys->keys[2] = _mm_aesimc_si128(encryption_keys->keys[10]);
+ decryption_keys->keys[3] = _mm_aesimc_si128(encryption_keys->keys[9]);
+ decryption_keys->keys[4] = _mm_aesimc_si128(encryption_keys->keys[8]);
+ decryption_keys->keys[5] = _mm_aesimc_si128(encryption_keys->keys[7]);
+ decryption_keys->keys[6] = _mm_aesimc_si128(encryption_keys->keys[6]);
+ decryption_keys->keys[7] = _mm_aesimc_si128(encryption_keys->keys[5]);
+ decryption_keys->keys[8] = _mm_aesimc_si128(encryption_keys->keys[4]);
+ decryption_keys->keys[9] = _mm_aesimc_si128(encryption_keys->keys[3]);
+ decryption_keys->keys[10] = _mm_aesimc_si128(encryption_keys->keys[2]);
+ decryption_keys->keys[11] = _mm_aesimc_si128(encryption_keys->keys[1]);
+ decryption_keys->keys[12] = encryption_keys->keys[0];
}
diff --git a/src/c/aes256.c b/src/c/aes256.c
index 05e643e..820010d 100644
--- a/src/c/aes256.c
+++ b/src/c/aes256.c
@@ -12,45 +12,45 @@
#include <wmmintrin.h>
AesNI_Block128 __fastcall aesni_aes256_encrypt_block_(
- AesNI_Block128 plain,
- const AesNI_Aes256_RoundKeys* key_schedule)
+ AesNI_Block128 plaintext,
+ const AesNI_Aes256_RoundKeys* encryption_keys)
{
- plain = _mm_xor_si128(plain, key_schedule->keys[0]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[1]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[2]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[3]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[4]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[5]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[6]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[7]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[8]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[9]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[10]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[11]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[12]);
- plain = _mm_aesenc_si128(plain, key_schedule->keys[13]);
- return _mm_aesenclast_si128(plain, key_schedule->keys[14]);
+ plaintext = _mm_xor_si128(plaintext, encryption_keys->keys[0]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[1]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[2]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[3]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[4]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[5]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[6]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[7]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[8]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[9]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[10]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[11]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[12]);
+ plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[13]);
+ return _mm_aesenclast_si128(plaintext, encryption_keys->keys[14]);
}
AesNI_Block128 __fastcall aesni_aes256_decrypt_block_(
- AesNI_Block128 cipher,
- const AesNI_Aes256_RoundKeys* inverted_schedule)
+ AesNI_Block128 ciphertext,
+ const AesNI_Aes256_RoundKeys* decryption_keys)
{
- cipher = _mm_xor_si128(cipher, inverted_schedule->keys[0]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[1]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[2]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[3]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[4]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[5]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[6]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[7]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[8]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[9]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[10]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[11]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[12]);
- cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[13]);
- return _mm_aesdeclast_si128(cipher, inverted_schedule->keys[14]);
+ ciphertext = _mm_xor_si128(ciphertext, decryption_keys->keys[0]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[1]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[2]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[3]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[4]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[5]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[6]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[7]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[8]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[9]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[10]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[11]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[12]);
+ ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[13]);
+ return _mm_aesdeclast_si128(ciphertext, decryption_keys->keys[14]);
}
static AesNI_Block128 __fastcall aesni_aes256_expand_key_assist(
@@ -79,84 +79,84 @@ static AesNI_Block128 __fastcall aesni_aes256_expand_key_assist(
void __fastcall aesni_aes256_expand_key_(
AesNI_Block128 key_lo,
AesNI_Block128 key_hi,
- AesNI_Aes256_RoundKeys* key_schedule)
+ AesNI_Aes256_RoundKeys* encryption_keys)
{
AesNI_Block128 prev_lo, prev_hi;
AesNI_Block128 hwgen;
- prev_lo = key_schedule->keys[0] = key_lo;
- prev_hi = key_schedule->keys[1] = key_hi;
+ prev_lo = encryption_keys->keys[0] = key_lo;
+ prev_hi = encryption_keys->keys[1] = key_hi;
hwgen = _mm_aeskeygenassist_si128(prev_hi, 0x01);
hwgen = _mm_shuffle_epi32(hwgen, 0xff);
- key_schedule->keys[2] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
+ encryption_keys->keys[2] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
hwgen = _mm_aeskeygenassist_si128(prev_hi, 0);
hwgen = _mm_shuffle_epi32(hwgen, 0xaa);
- key_schedule->keys[3] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
+ encryption_keys->keys[3] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
hwgen = _mm_aeskeygenassist_si128(prev_hi, 0x02);
hwgen = _mm_shuffle_epi32(hwgen, 0xff);
- key_schedule->keys[4] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
+ encryption_keys->keys[4] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
hwgen = _mm_aeskeygenassist_si128(prev_hi, 0);
hwgen = _mm_shuffle_epi32(hwgen, 0xaa);
- key_schedule->keys[5] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
+ encryption_keys->keys[5] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
hwgen = _mm_aeskeygenassist_si128(prev_hi, 0x04);
hwgen = _mm_shuffle_epi32(hwgen, 0xff);
- key_schedule->keys[6] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
+ encryption_keys->keys[6] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
hwgen = _mm_aeskeygenassist_si128(prev_hi, 0);
hwgen = _mm_shuffle_epi32(hwgen, 0xaa);
- key_schedule->keys[7] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
+ encryption_keys->keys[7] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
hwgen = _mm_aeskeygenassist_si128(prev_hi, 0x08);
hwgen = _mm_shuffle_epi32(hwgen, 0xff);
- key_schedule->keys[8] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
+ encryption_keys->keys[8] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
hwgen = _mm_aeskeygenassist_si128(prev_hi, 0);
hwgen = _mm_shuffle_epi32(hwgen, 0xaa);
- key_schedule->keys[9] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
+ encryption_keys->keys[9] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
hwgen = _mm_aeskeygenassist_si128(prev_hi, 0x10);
hwgen = _mm_shuffle_epi32(hwgen, 0xff);
- key_schedule->keys[10] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
+ encryption_keys->keys[10] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
hwgen = _mm_aeskeygenassist_si128(prev_hi, 0);
hwgen = _mm_shuffle_epi32(hwgen, 0xaa);
- key_schedule->keys[11] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
+ encryption_keys->keys[11] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
hwgen = _mm_aeskeygenassist_si128(prev_hi, 0x20);
hwgen = _mm_shuffle_epi32(hwgen, 0xff);
- key_schedule->keys[12] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
+ encryption_keys->keys[12] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
hwgen = _mm_aeskeygenassist_si128(prev_hi, 0);
hwgen = _mm_shuffle_epi32(hwgen, 0xaa);
- key_schedule->keys[13] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
+ encryption_keys->keys[13] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
hwgen = _mm_aeskeygenassist_si128(prev_hi, 0x40);
hwgen = _mm_shuffle_epi32(hwgen, 0xff);
- key_schedule->keys[14] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
+ encryption_keys->keys[14] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
}
void __fastcall aesni_aes256_derive_decryption_keys_(
- const AesNI_Aes256_RoundKeys* key_schedule,
- AesNI_Aes256_RoundKeys* inverted_schedule)
+ const AesNI_Aes256_RoundKeys* encryption_keys,
+ AesNI_Aes256_RoundKeys* decryption_keys)
{
- inverted_schedule->keys[0] = key_schedule->keys[14];
- inverted_schedule->keys[1] = _mm_aesimc_si128(key_schedule->keys[13]);
- inverted_schedule->keys[2] = _mm_aesimc_si128(key_schedule->keys[12]);
- inverted_schedule->keys[3] = _mm_aesimc_si128(key_schedule->keys[11]);
- inverted_schedule->keys[4] = _mm_aesimc_si128(key_schedule->keys[10]);
- inverted_schedule->keys[5] = _mm_aesimc_si128(key_schedule->keys[9]);
- inverted_schedule->keys[6] = _mm_aesimc_si128(key_schedule->keys[8]);
- inverted_schedule->keys[7] = _mm_aesimc_si128(key_schedule->keys[7]);
- inverted_schedule->keys[8] = _mm_aesimc_si128(key_schedule->keys[6]);
- inverted_schedule->keys[9] = _mm_aesimc_si128(key_schedule->keys[5]);
- inverted_schedule->keys[10] = _mm_aesimc_si128(key_schedule->keys[4]);
- inverted_schedule->keys[11] = _mm_aesimc_si128(key_schedule->keys[3]);
- inverted_schedule->keys[12] = _mm_aesimc_si128(key_schedule->keys[2]);
- inverted_schedule->keys[13] = _mm_aesimc_si128(key_schedule->keys[1]);
- inverted_schedule->keys[14] = key_schedule->keys[0];
+ decryption_keys->keys[0] = encryption_keys->keys[14];
+ decryption_keys->keys[1] = _mm_aesimc_si128(encryption_keys->keys[13]);
+ decryption_keys->keys[2] = _mm_aesimc_si128(encryption_keys->keys[12]);
+ decryption_keys->keys[3] = _mm_aesimc_si128(encryption_keys->keys[11]);
+ decryption_keys->keys[4] = _mm_aesimc_si128(encryption_keys->keys[10]);
+ decryption_keys->keys[5] = _mm_aesimc_si128(encryption_keys->keys[9]);
+ decryption_keys->keys[6] = _mm_aesimc_si128(encryption_keys->keys[8]);
+ decryption_keys->keys[7] = _mm_aesimc_si128(encryption_keys->keys[7]);
+ decryption_keys->keys[8] = _mm_aesimc_si128(encryption_keys->keys[6]);
+ decryption_keys->keys[9] = _mm_aesimc_si128(encryption_keys->keys[5]);
+ decryption_keys->keys[10] = _mm_aesimc_si128(encryption_keys->keys[4]);
+ decryption_keys->keys[11] = _mm_aesimc_si128(encryption_keys->keys[3]);
+ decryption_keys->keys[12] = _mm_aesimc_si128(encryption_keys->keys[2]);
+ decryption_keys->keys[13] = _mm_aesimc_si128(encryption_keys->keys[1]);
+ decryption_keys->keys[14] = encryption_keys->keys[0];
}