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authorEgor Tensin <Egor.Tensin@gmail.com>2015-06-17 18:29:40 +0300
committerEgor Tensin <Egor.Tensin@gmail.com>2015-06-17 18:29:40 +0300
commit0651133db30c0932877780c2f98901e4ca1072e1 (patch)
tree2b87823b4b9f4b5a75affa4b1606abb06a598c97 /src/c/aes256.c
parentfactor out 128-bit XORing (diff)
downloadaes-tools-0651133db30c0932877780c2f98901e4ca1072e1.tar.gz
aes-tools-0651133db30c0932877780c2f98901e4ca1072e1.zip
refactoring
Diffstat (limited to 'src/c/aes256.c')
-rw-r--r--src/c/aes256.c46
1 files changed, 23 insertions, 23 deletions
diff --git a/src/c/aes256.c b/src/c/aes256.c
index cd48d0d..05e643e 100644
--- a/src/c/aes256.c
+++ b/src/c/aes256.c
@@ -11,9 +11,9 @@
#include <emmintrin.h>
#include <wmmintrin.h>
-AesNI_Block128 __fastcall aesni_raw_encrypt_block256(
+AesNI_Block128 __fastcall aesni_aes256_encrypt_block_(
AesNI_Block128 plain,
- const AesNI_KeySchedule256* key_schedule)
+ const AesNI_Aes256_RoundKeys* key_schedule)
{
plain = _mm_xor_si128(plain, key_schedule->keys[0]);
plain = _mm_aesenc_si128(plain, key_schedule->keys[1]);
@@ -32,9 +32,9 @@ AesNI_Block128 __fastcall aesni_raw_encrypt_block256(
return _mm_aesenclast_si128(plain, key_schedule->keys[14]);
}
-AesNI_Block128 __fastcall aesni_raw_decrypt_block256(
+AesNI_Block128 __fastcall aesni_aes256_decrypt_block_(
AesNI_Block128 cipher,
- const AesNI_KeySchedule256* inverted_schedule)
+ const AesNI_Aes256_RoundKeys* inverted_schedule)
{
cipher = _mm_xor_si128(cipher, inverted_schedule->keys[0]);
cipher = _mm_aesdec_si128(cipher, inverted_schedule->keys[1]);
@@ -53,7 +53,7 @@ AesNI_Block128 __fastcall aesni_raw_decrypt_block256(
return _mm_aesdeclast_si128(cipher, inverted_schedule->keys[14]);
}
-static AesNI_Block128 __fastcall aes256_keygen_assist(
+static AesNI_Block128 __fastcall aesni_aes256_expand_key_assist(
AesNI_Block128* prev_lo,
AesNI_Block128* prev_hi,
AesNI_Block128 hwgen)
@@ -76,10 +76,10 @@ static AesNI_Block128 __fastcall aes256_keygen_assist(
return *prev_hi;
}
-void __fastcall aesni_raw_expand_key_schedule256(
+void __fastcall aesni_aes256_expand_key_(
AesNI_Block128 key_lo,
AesNI_Block128 key_hi,
- AesNI_KeySchedule256* key_schedule)
+ AesNI_Aes256_RoundKeys* key_schedule)
{
AesNI_Block128 prev_lo, prev_hi;
AesNI_Block128 hwgen;
@@ -89,60 +89,60 @@ void __fastcall aesni_raw_expand_key_schedule256(
hwgen = _mm_aeskeygenassist_si128(prev_hi, 0x01);
hwgen = _mm_shuffle_epi32(hwgen, 0xff);
- key_schedule->keys[2] = aes256_keygen_assist(&prev_lo, &prev_hi, hwgen);
+ key_schedule->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] = aes256_keygen_assist(&prev_lo, &prev_hi, hwgen);
+ key_schedule->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] = aes256_keygen_assist(&prev_lo, &prev_hi, hwgen);
+ key_schedule->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] = aes256_keygen_assist(&prev_lo, &prev_hi, hwgen);
+ key_schedule->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] = aes256_keygen_assist(&prev_lo, &prev_hi, hwgen);
+ key_schedule->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] = aes256_keygen_assist(&prev_lo, &prev_hi, hwgen);
+ key_schedule->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] = aes256_keygen_assist(&prev_lo, &prev_hi, hwgen);
+ key_schedule->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] = aes256_keygen_assist(&prev_lo, &prev_hi, hwgen);
+ key_schedule->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] = aes256_keygen_assist(&prev_lo, &prev_hi, hwgen);
+ key_schedule->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] = aes256_keygen_assist(&prev_lo, &prev_hi, hwgen);
+ key_schedule->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] = aes256_keygen_assist(&prev_lo, &prev_hi, hwgen);
+ key_schedule->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] = aes256_keygen_assist(&prev_lo, &prev_hi, hwgen);
+ key_schedule->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] = aes256_keygen_assist(&prev_lo, &prev_hi, hwgen);
+ key_schedule->keys[14] = aesni_aes256_expand_key_assist(&prev_lo, &prev_hi, hwgen);
}
-void __fastcall aesni_raw_invert_key_schedule256(
- const AesNI_KeySchedule256* key_schedule,
- AesNI_KeySchedule256* inverted_schedule)
+void __fastcall aesni_aes256_derive_decryption_keys_(
+ const AesNI_Aes256_RoundKeys* key_schedule,
+ AesNI_Aes256_RoundKeys* inverted_schedule)
{
inverted_schedule->keys[0] = key_schedule->keys[14];
inverted_schedule->keys[1] = _mm_aesimc_si128(key_schedule->keys[13]);