Add AES-256 using AES-NI

1 files changed, 0 insertions, 177 deletions

diff --git a/src/block/aes_intel/aes_intel.cpp b/src/block/aes_intel/aes_intel.cpp
deleted file mode 100644
index fb71a5d89..000000000
--- a/src/block/aes_intel/aes_intel.cpp
+++ /dev/null
@@ -1,177 +0,0 @@
-/**
-* AES using Intel's AES-NI instructions
-* (C) 2009 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#include <botan/aes_intel.h>
-#include <wmmintrin.h>
-
-namespace Botan {
-
-namespace {
-
-__m128i aes_128_key_expansion(__m128i key, __m128i key_with_rcon)
-   {
-   key_with_rcon = _mm_shuffle_epi32(key_with_rcon, _MM_SHUFFLE(3,3,3,3));
-   key = _mm_xor_si128(key, _mm_slli_si128(key, 4));
-   key = _mm_xor_si128(key, _mm_slli_si128(key, 4));
-   key = _mm_xor_si128(key, _mm_slli_si128(key, 4));
-   return _mm_xor_si128(key, key_with_rcon);
-   }
-
-}
-
-/**
-* AES-128 Encryption
-*/
-void AES_128_Intel::encrypt_n(const byte in[], byte out[], u32bit blocks) const
-   {
-   const __m128i* in_mm = (const __m128i*)in;
-   __m128i* out_mm = (__m128i*)out;
-
-   const __m128i* key_mm = (const __m128i*)&EK[0];
-
-   __m128i K0  = _mm_loadu_si128(key_mm);
-   __m128i K1  = _mm_loadu_si128(key_mm + 1);
-   __m128i K2  = _mm_loadu_si128(key_mm + 2);
-   __m128i K3  = _mm_loadu_si128(key_mm + 3);
-   __m128i K4  = _mm_loadu_si128(key_mm + 4);
-   __m128i K5  = _mm_loadu_si128(key_mm + 5);
-   __m128i K6  = _mm_loadu_si128(key_mm + 6);
-   __m128i K7  = _mm_loadu_si128(key_mm + 7);
-   __m128i K8  = _mm_loadu_si128(key_mm + 8);
-   __m128i K9  = _mm_loadu_si128(key_mm + 9);
-   __m128i K10 = _mm_loadu_si128(key_mm + 10);
-
-   for(u32bit i = 0; i != blocks; ++i)
-      {
-      __m128i B = _mm_loadu_si128(in_mm + i);
-
-      B = _mm_xor_si128(B, K0);
-
-      B = _mm_aesenc_si128(B, K1);
-      B = _mm_aesenc_si128(B, K2);
-      B = _mm_aesenc_si128(B, K3);
-      B = _mm_aesenc_si128(B, K4);
-      B = _mm_aesenc_si128(B, K5);
-      B = _mm_aesenc_si128(B, K6);
-      B = _mm_aesenc_si128(B, K7);
-      B = _mm_aesenc_si128(B, K8);
-      B = _mm_aesenc_si128(B, K9);
-      B = _mm_aesenclast_si128(B, K10);
-
-      _mm_storeu_si128(out_mm + i, B);
-
-      in += BLOCK_SIZE;
-      out += BLOCK_SIZE;
-      }
-   }
-
-/**
-* AES-128 Decryption
-*/
-void AES_128_Intel::decrypt_n(const byte in[], byte out[], u32bit blocks) const
-   {
-   const __m128i* in_mm = (const __m128i*)in;
-   __m128i* out_mm = (__m128i*)out;
-
-   const __m128i* key_mm = (const __m128i*)&DK[0];
-
-   __m128i K0  = _mm_loadu_si128(key_mm);
-   __m128i K1  = _mm_loadu_si128(key_mm + 1);
-   __m128i K2  = _mm_loadu_si128(key_mm + 2);
-   __m128i K3  = _mm_loadu_si128(key_mm + 3);
-   __m128i K4  = _mm_loadu_si128(key_mm + 4);
-   __m128i K5  = _mm_loadu_si128(key_mm + 5);
-   __m128i K6  = _mm_loadu_si128(key_mm + 6);
-   __m128i K7  = _mm_loadu_si128(key_mm + 7);
-   __m128i K8  = _mm_loadu_si128(key_mm + 8);
-   __m128i K9  = _mm_loadu_si128(key_mm + 9);
-   __m128i K10 = _mm_loadu_si128(key_mm + 10);
-
-   for(u32bit i = 0; i != blocks; ++i)
-      {
-      __m128i B = _mm_loadu_si128(in_mm + i);
-
-      B = _mm_xor_si128(B, K0);
-
-      B = _mm_aesdec_si128(B, K1);
-      B = _mm_aesdec_si128(B, K2);
-      B = _mm_aesdec_si128(B, K3);
-      B = _mm_aesdec_si128(B, K4);
-      B = _mm_aesdec_si128(B, K5);
-      B = _mm_aesdec_si128(B, K6);
-      B = _mm_aesdec_si128(B, K7);
-      B = _mm_aesdec_si128(B, K8);
-      B = _mm_aesdec_si128(B, K9);
-      B = _mm_aesdeclast_si128(B, K10);
-
-      _mm_storeu_si128(out_mm + i, B);
-
-      in += BLOCK_SIZE;
-      out += BLOCK_SIZE;
-      }
-   }
-
-/**
-* AES-128 Key Schedule
-*/
-void AES_128_Intel::key_schedule(const byte key[], u32bit length)
-   {
-
-   #define AES_128_key_exp(K, RCON) \
-      aes_128_key_expansion(K, _mm_aeskeygenassist_si128(K, RCON))
-
-   __m128i K0  = _mm_loadu_si128((const __m128i*)key);
-   __m128i K1  = AES_128_key_exp(K0, 0x01);
-   __m128i K2  = AES_128_key_exp(K1, 0x02);
-   __m128i K3  = AES_128_key_exp(K2, 0x04);
-   __m128i K4  = AES_128_key_exp(K3, 0x08);
-   __m128i K5  = AES_128_key_exp(K4, 0x10);
-   __m128i K6  = AES_128_key_exp(K5, 0x20);
-   __m128i K7  = AES_128_key_exp(K6, 0x40);
-   __m128i K8  = AES_128_key_exp(K7, 0x80);
-   __m128i K9  = AES_128_key_exp(K8, 0x1B);
-   __m128i K10 = AES_128_key_exp(K9, 0x36);
-
-   __m128i* EK_mm = (__m128i*)&EK[0];
-   _mm_storeu_si128(EK_mm     , K0);
-   _mm_storeu_si128(EK_mm +  1, K1);
-   _mm_storeu_si128(EK_mm +  2, K2);
-   _mm_storeu_si128(EK_mm +  3, K3);
-   _mm_storeu_si128(EK_mm +  4, K4);
-   _mm_storeu_si128(EK_mm +  5, K5);
-   _mm_storeu_si128(EK_mm +  6, K6);
-   _mm_storeu_si128(EK_mm +  7, K7);
-   _mm_storeu_si128(EK_mm +  8, K8);
-   _mm_storeu_si128(EK_mm +  9, K9);
-   _mm_storeu_si128(EK_mm + 10, K10);
-
-   // Now generate decryption keys
-
-   __m128i* DK_mm = (__m128i*)&DK[0];
-   _mm_storeu_si128(DK_mm     , K10);
-   _mm_storeu_si128(DK_mm +  1, _mm_aesimc_si128(K9));
-   _mm_storeu_si128(DK_mm +  2, _mm_aesimc_si128(K8));
-   _mm_storeu_si128(DK_mm +  3, _mm_aesimc_si128(K7));
-   _mm_storeu_si128(DK_mm +  4, _mm_aesimc_si128(K6));
-   _mm_storeu_si128(DK_mm +  5, _mm_aesimc_si128(K5));
-   _mm_storeu_si128(DK_mm +  6, _mm_aesimc_si128(K4));
-   _mm_storeu_si128(DK_mm +  7, _mm_aesimc_si128(K3));
-   _mm_storeu_si128(DK_mm +  8, _mm_aesimc_si128(K2));
-   _mm_storeu_si128(DK_mm +  9, _mm_aesimc_si128(K1));
-   _mm_storeu_si128(DK_mm + 10, K0);
-   }
-
-/**
-* Clear memory of sensitive data
-*/
-void AES_128_Intel::clear()
-   {
-   EK.clear();
-   DK.clear();
-   }
-
-}