diff options
Diffstat (limited to 'src/libs/7zip/win/C/AesOpt.c')
-rw-r--r-- | src/libs/7zip/win/C/AesOpt.c | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/src/libs/7zip/win/C/AesOpt.c b/src/libs/7zip/win/C/AesOpt.c deleted file mode 100644 index c0bd8bc15..000000000 --- a/src/libs/7zip/win/C/AesOpt.c +++ /dev/null @@ -1,182 +0,0 @@ -/* AesOpt.c -- Intel's AES -2009-11-23 : Igor Pavlov : Public domain */ - -#include "CpuArch.h" - -#ifdef MY_CPU_X86_OR_AMD64 -#if _MSC_VER >= 1500 -//#define USE_INTEL_AES -#endif -#endif - -#ifdef USE_INTEL_AES - -#include <wmmintrin.h> - -void MY_FAST_CALL AesCbc_Encode_Intel(__m128i *p, __m128i *data, size_t numBlocks) -{ - __m128i m = *p; - for (; numBlocks != 0; numBlocks--, data++) - { - UInt32 numRounds2 = *(const UInt32 *)(p + 1) - 1; - const __m128i *w = p + 3; - m = _mm_xor_si128(m, *data); - m = _mm_xor_si128(m, p[2]); - do - { - m = _mm_aesenc_si128(m, w[0]); - m = _mm_aesenc_si128(m, w[1]); - w += 2; - } - while (--numRounds2 != 0); - m = _mm_aesenc_si128(m, w[0]); - m = _mm_aesenclast_si128(m, w[1]); - *data = m; - } - *p = m; -} - -#define NUM_WAYS 3 - -#define AES_OP_W(op, n) { \ - const __m128i t = w[n]; \ - m0 = op(m0, t); \ - m1 = op(m1, t); \ - m2 = op(m2, t); \ - } - -#define AES_DEC(n) AES_OP_W(_mm_aesdec_si128, n) -#define AES_DEC_LAST(n) AES_OP_W(_mm_aesdeclast_si128, n) -#define AES_ENC(n) AES_OP_W(_mm_aesenc_si128, n) -#define AES_ENC_LAST(n) AES_OP_W(_mm_aesenclast_si128, n) - -void MY_FAST_CALL AesCbc_Decode_Intel(__m128i *p, __m128i *data, size_t numBlocks) -{ - __m128i iv = *p; - for (; numBlocks >= NUM_WAYS; numBlocks -= NUM_WAYS, data += NUM_WAYS) - { - UInt32 numRounds2 = *(const UInt32 *)(p + 1); - const __m128i *w = p + numRounds2 * 2; - __m128i m0, m1, m2; - { - const __m128i t = w[2]; - m0 = _mm_xor_si128(t, data[0]); - m1 = _mm_xor_si128(t, data[1]); - m2 = _mm_xor_si128(t, data[2]); - } - numRounds2--; - do - { - AES_DEC(1) - AES_DEC(0) - w -= 2; - } - while (--numRounds2 != 0); - AES_DEC(1) - AES_DEC_LAST(0) - - { - __m128i t; - t = _mm_xor_si128(m0, iv); iv = data[0]; data[0] = t; - t = _mm_xor_si128(m1, iv); iv = data[1]; data[1] = t; - t = _mm_xor_si128(m2, iv); iv = data[2]; data[2] = t; - } - } - for (; numBlocks != 0; numBlocks--, data++) - { - UInt32 numRounds2 = *(const UInt32 *)(p + 1); - const __m128i *w = p + numRounds2 * 2; - __m128i m = _mm_xor_si128(w[2], *data); - numRounds2--; - do - { - m = _mm_aesdec_si128(m, w[1]); - m = _mm_aesdec_si128(m, w[0]); - w -= 2; - } - while (--numRounds2 != 0); - m = _mm_aesdec_si128(m, w[1]); - m = _mm_aesdeclast_si128(m, w[0]); - - m = _mm_xor_si128(m, iv); - iv = *data; - *data = m; - } - *p = iv; -} - -void MY_FAST_CALL AesCtr_Code_Intel(__m128i *p, __m128i *data, size_t numBlocks) -{ - __m128i ctr = *p; - __m128i one; - one.m128i_u64[0] = 1; - one.m128i_u64[1] = 0; - for (; numBlocks >= NUM_WAYS; numBlocks -= NUM_WAYS, data += NUM_WAYS) - { - UInt32 numRounds2 = *(const UInt32 *)(p + 1) - 1; - const __m128i *w = p; - __m128i m0, m1, m2; - { - const __m128i t = w[2]; - ctr = _mm_add_epi64(ctr, one); m0 = _mm_xor_si128(ctr, t); - ctr = _mm_add_epi64(ctr, one); m1 = _mm_xor_si128(ctr, t); - ctr = _mm_add_epi64(ctr, one); m2 = _mm_xor_si128(ctr, t); - } - w += 3; - do - { - AES_ENC(0) - AES_ENC(1) - w += 2; - } - while (--numRounds2 != 0); - AES_ENC(0) - AES_ENC_LAST(1) - data[0] = _mm_xor_si128(data[0], m0); - data[1] = _mm_xor_si128(data[1], m1); - data[2] = _mm_xor_si128(data[2], m2); - } - for (; numBlocks != 0; numBlocks--, data++) - { - UInt32 numRounds2 = *(const UInt32 *)(p + 1) - 1; - const __m128i *w = p; - __m128i m; - ctr = _mm_add_epi64(ctr, one); - m = _mm_xor_si128(ctr, p[2]); - w += 3; - do - { - m = _mm_aesenc_si128(m, w[0]); - m = _mm_aesenc_si128(m, w[1]); - w += 2; - } - while (--numRounds2 != 0); - m = _mm_aesenc_si128(m, w[0]); - m = _mm_aesenclast_si128(m, w[1]); - *data = _mm_xor_si128(*data, m); - } - *p = ctr; -} - -#else - -void MY_FAST_CALL AesCbc_Encode(UInt32 *ivAes, Byte *data, size_t numBlocks); -void MY_FAST_CALL AesCbc_Decode(UInt32 *ivAes, Byte *data, size_t numBlocks); -void MY_FAST_CALL AesCtr_Code(UInt32 *ivAes, Byte *data, size_t numBlocks); - -void MY_FAST_CALL AesCbc_Encode_Intel(UInt32 *p, Byte *data, size_t numBlocks) -{ - AesCbc_Encode(p, data, numBlocks); -} - -void MY_FAST_CALL AesCbc_Decode_Intel(UInt32 *p, Byte *data, size_t numBlocks) -{ - AesCbc_Decode(p, data, numBlocks); -} - -void MY_FAST_CALL AesCtr_Code_Intel(UInt32 *p, Byte *data, size_t numBlocks) -{ - AesCtr_Code(p, data, numBlocks); -} - -#endif |