aesni: Added AES_ECB support
This commit is contained in:
Andreas Steffen
committed by
Tobias Brunner
Tobias Brunner
parent
1352413272
commit
20f3d04b13
@@ -16,6 +16,7 @@ endif
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libstrongswan_aesni_la_SOURCES = \
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aesni_key.h aesni_key.c \
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aesni_cbc.h aesni_cbc.c \
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aesni_ecb.h aesni_ecb.c \
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aesni_ctr.h aesni_ctr.c \
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aesni_ccm.h aesni_ccm.c \
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aesni_gcm.h aesni_gcm.c \
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@@ -0,0 +1,836 @@
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/*
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* Copyright (C) 2015 Martin Willi
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* Copyright (C) 2015 revosec AG
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*
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* Copyright (C) 2019 Andreas Steffen
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* HSR Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "aesni_ecb.h"
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#include "aesni_key.h"
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/**
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* Pipeline parallelism we use for ECB encryption/decryption
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*/
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#define ECB_PARALLELISM 4
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typedef struct private_aesni_ecb_t private_aesni_ecb_t;
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/**
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* ECB en/decryption method type
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*/
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typedef void (*aesni_ecb_fn_t)(aesni_key_t*, u_int, u_char*, u_char*);
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/**
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* Private data of an aesni_ecb_t object.
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*/
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struct private_aesni_ecb_t {
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/**
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* Public aesni_ecb_t interface.
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*/
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aesni_ecb_t public;
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/**
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* Key size
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*/
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u_int key_size;
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/**
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* Encryption key schedule
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*/
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aesni_key_t *ekey;
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/**
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* Decryption key schedule
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*/
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aesni_key_t *dkey;
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/**
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* Encryption method
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*/
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aesni_ecb_fn_t encrypt;
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/**
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* Decryption method
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*/
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aesni_ecb_fn_t decrypt;
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};
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/**
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* AES-128 ECB encryption
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*/
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static void encrypt_ecb128(aesni_key_t *key, u_int blocks, u_char *in,
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u_char *out)
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{
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__m128i *ks, *bi, *bo;
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__m128i t1, t2, t3, t4;
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u_int i, pblocks;
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ks = key->schedule;
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bi = (__m128i*)in;
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bo = (__m128i*)out;
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pblocks = blocks - (blocks % ECB_PARALLELISM);
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for (i = 0; i < pblocks; i += ECB_PARALLELISM)
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{
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t1 = _mm_loadu_si128(bi + i + 0);
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t2 = _mm_loadu_si128(bi + i + 1);
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t3 = _mm_loadu_si128(bi + i + 2);
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t4 = _mm_loadu_si128(bi + i + 3);
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t1 = _mm_xor_si128(t1, ks[0]);
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t2 = _mm_xor_si128(t2, ks[0]);
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t3 = _mm_xor_si128(t3, ks[0]);
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t4 = _mm_xor_si128(t4, ks[0]);
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t1 = _mm_aesenc_si128(t1, ks[1]);
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t2 = _mm_aesenc_si128(t2, ks[1]);
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t3 = _mm_aesenc_si128(t3, ks[1]);
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t4 = _mm_aesenc_si128(t4, ks[1]);
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t1 = _mm_aesenc_si128(t1, ks[2]);
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t2 = _mm_aesenc_si128(t2, ks[2]);
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t3 = _mm_aesenc_si128(t3, ks[2]);
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t4 = _mm_aesenc_si128(t4, ks[2]);
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t1 = _mm_aesenc_si128(t1, ks[3]);
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t2 = _mm_aesenc_si128(t2, ks[3]);
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t3 = _mm_aesenc_si128(t3, ks[3]);
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t4 = _mm_aesenc_si128(t4, ks[3]);
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t1 = _mm_aesenc_si128(t1, ks[4]);
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t2 = _mm_aesenc_si128(t2, ks[4]);
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t3 = _mm_aesenc_si128(t3, ks[4]);
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t4 = _mm_aesenc_si128(t4, ks[4]);
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t1 = _mm_aesenc_si128(t1, ks[5]);
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t2 = _mm_aesenc_si128(t2, ks[5]);
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t3 = _mm_aesenc_si128(t3, ks[5]);
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t4 = _mm_aesenc_si128(t4, ks[5]);
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t1 = _mm_aesenc_si128(t1, ks[6]);
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t2 = _mm_aesenc_si128(t2, ks[6]);
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t3 = _mm_aesenc_si128(t3, ks[6]);
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t4 = _mm_aesenc_si128(t4, ks[6]);
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t1 = _mm_aesenc_si128(t1, ks[7]);
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t2 = _mm_aesenc_si128(t2, ks[7]);
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t3 = _mm_aesenc_si128(t3, ks[7]);
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t4 = _mm_aesenc_si128(t4, ks[7]);
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t1 = _mm_aesenc_si128(t1, ks[8]);
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t2 = _mm_aesenc_si128(t2, ks[8]);
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t3 = _mm_aesenc_si128(t3, ks[8]);
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t4 = _mm_aesenc_si128(t4, ks[8]);
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t1 = _mm_aesenc_si128(t1, ks[9]);
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t2 = _mm_aesenc_si128(t2, ks[9]);
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t3 = _mm_aesenc_si128(t3, ks[9]);
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t4 = _mm_aesenc_si128(t4, ks[9]);
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t1 = _mm_aesenclast_si128(t1, ks[10]);
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t2 = _mm_aesenclast_si128(t2, ks[10]);
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t3 = _mm_aesenclast_si128(t3, ks[10]);
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t4 = _mm_aesenclast_si128(t4, ks[10]);
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_mm_storeu_si128(bo + i + 0, t1);
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_mm_storeu_si128(bo + i + 1, t2);
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_mm_storeu_si128(bo + i + 2, t3);
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_mm_storeu_si128(bo + i + 3, t4);
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}
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for (i = pblocks; i < blocks; i++)
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{
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t1 = _mm_loadu_si128(bi + i);
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t1 = _mm_xor_si128(t1, ks[0]);
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t1 = _mm_aesenc_si128(t1, ks[1]);
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t1 = _mm_aesenc_si128(t1, ks[2]);
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t1 = _mm_aesenc_si128(t1, ks[3]);
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t1 = _mm_aesenc_si128(t1, ks[4]);
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t1 = _mm_aesenc_si128(t1, ks[5]);
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t1 = _mm_aesenc_si128(t1, ks[6]);
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t1 = _mm_aesenc_si128(t1, ks[7]);
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t1 = _mm_aesenc_si128(t1, ks[8]);
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t1 = _mm_aesenc_si128(t1, ks[9]);
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t1 = _mm_aesenclast_si128(t1, ks[10]);
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_mm_storeu_si128(bo + i, t1);
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}
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}
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/**
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* AES-128 ECB decryption
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*/
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static void decrypt_ecb128(aesni_key_t *key, u_int blocks, u_char *in,
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u_char *out)
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{
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__m128i *ks, *bi, *bo;
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__m128i t1, t2, t3, t4;
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u_int i, pblocks;
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ks = key->schedule;
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bi = (__m128i*)in;
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bo = (__m128i*)out;
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pblocks = blocks - (blocks % ECB_PARALLELISM);
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for (i = 0; i < pblocks; i += ECB_PARALLELISM)
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{
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t1 = _mm_loadu_si128(bi + i + 0);
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t2 = _mm_loadu_si128(bi + i + 1);
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t3 = _mm_loadu_si128(bi + i + 2);
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t4 = _mm_loadu_si128(bi + i + 3);
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t1 = _mm_xor_si128(t1, ks[0]);
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t2 = _mm_xor_si128(t2, ks[0]);
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t3 = _mm_xor_si128(t3, ks[0]);
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t4 = _mm_xor_si128(t4, ks[0]);
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t1 = _mm_aesdec_si128(t1, ks[1]);
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t2 = _mm_aesdec_si128(t2, ks[1]);
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t3 = _mm_aesdec_si128(t3, ks[1]);
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t4 = _mm_aesdec_si128(t4, ks[1]);
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t1 = _mm_aesdec_si128(t1, ks[2]);
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t2 = _mm_aesdec_si128(t2, ks[2]);
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t3 = _mm_aesdec_si128(t3, ks[2]);
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t4 = _mm_aesdec_si128(t4, ks[2]);
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t1 = _mm_aesdec_si128(t1, ks[3]);
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t2 = _mm_aesdec_si128(t2, ks[3]);
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t3 = _mm_aesdec_si128(t3, ks[3]);
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t4 = _mm_aesdec_si128(t4, ks[3]);
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t1 = _mm_aesdec_si128(t1, ks[4]);
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t2 = _mm_aesdec_si128(t2, ks[4]);
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t3 = _mm_aesdec_si128(t3, ks[4]);
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t4 = _mm_aesdec_si128(t4, ks[4]);
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t1 = _mm_aesdec_si128(t1, ks[5]);
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t2 = _mm_aesdec_si128(t2, ks[5]);
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t3 = _mm_aesdec_si128(t3, ks[5]);
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t4 = _mm_aesdec_si128(t4, ks[5]);
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t1 = _mm_aesdec_si128(t1, ks[6]);
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t2 = _mm_aesdec_si128(t2, ks[6]);
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t3 = _mm_aesdec_si128(t3, ks[6]);
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t4 = _mm_aesdec_si128(t4, ks[6]);
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t1 = _mm_aesdec_si128(t1, ks[7]);
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t2 = _mm_aesdec_si128(t2, ks[7]);
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t3 = _mm_aesdec_si128(t3, ks[7]);
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t4 = _mm_aesdec_si128(t4, ks[7]);
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t1 = _mm_aesdec_si128(t1, ks[8]);
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t2 = _mm_aesdec_si128(t2, ks[8]);
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t3 = _mm_aesdec_si128(t3, ks[8]);
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t4 = _mm_aesdec_si128(t4, ks[8]);
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t1 = _mm_aesdec_si128(t1, ks[9]);
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t2 = _mm_aesdec_si128(t2, ks[9]);
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t3 = _mm_aesdec_si128(t3, ks[9]);
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t4 = _mm_aesdec_si128(t4, ks[9]);
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t1 = _mm_aesdeclast_si128(t1, ks[10]);
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t2 = _mm_aesdeclast_si128(t2, ks[10]);
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t3 = _mm_aesdeclast_si128(t3, ks[10]);
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t4 = _mm_aesdeclast_si128(t4, ks[10]);
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_mm_storeu_si128(bo + i + 0, t1);
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_mm_storeu_si128(bo + i + 1, t2);
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_mm_storeu_si128(bo + i + 2, t3);
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_mm_storeu_si128(bo + i + 3, t4);
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}
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for (i = pblocks; i < blocks; i++)
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{
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t1 = _mm_loadu_si128(bi + i);
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t1 = _mm_xor_si128(t1, ks[0]);
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t1 = _mm_aesdec_si128(t1, ks[1]);
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t1 = _mm_aesdec_si128(t1, ks[2]);
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t1 = _mm_aesdec_si128(t1, ks[3]);
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t1 = _mm_aesdec_si128(t1, ks[4]);
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t1 = _mm_aesdec_si128(t1, ks[5]);
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t1 = _mm_aesdec_si128(t1, ks[6]);
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t1 = _mm_aesdec_si128(t1, ks[7]);
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t1 = _mm_aesdec_si128(t1, ks[8]);
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t1 = _mm_aesdec_si128(t1, ks[9]);
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t1 = _mm_aesdeclast_si128(t1, ks[10]);
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_mm_storeu_si128(bo + i, t1);
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}
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}
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/**
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* AES-192 ECB encryption
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*/
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static void encrypt_ecb192(aesni_key_t *key, u_int blocks, u_char *in,
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u_char *out)
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{
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__m128i *ks, *bi, *bo;
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__m128i t1, t2, t3, t4;
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u_int i, pblocks;
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ks = key->schedule;
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bi = (__m128i*)in;
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bo = (__m128i*)out;
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pblocks = blocks - (blocks % ECB_PARALLELISM);
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for (i = 0; i < pblocks; i += ECB_PARALLELISM)
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{
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t1 = _mm_loadu_si128(bi + i + 0);
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t2 = _mm_loadu_si128(bi + i + 1);
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t3 = _mm_loadu_si128(bi + i + 2);
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t4 = _mm_loadu_si128(bi + i + 3);
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t1 = _mm_xor_si128(t1, ks[0]);
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t2 = _mm_xor_si128(t2, ks[0]);
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t3 = _mm_xor_si128(t3, ks[0]);
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t4 = _mm_xor_si128(t4, ks[0]);
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t1 = _mm_aesenc_si128(t1, ks[1]);
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t2 = _mm_aesenc_si128(t2, ks[1]);
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t3 = _mm_aesenc_si128(t3, ks[1]);
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t4 = _mm_aesenc_si128(t4, ks[1]);
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t1 = _mm_aesenc_si128(t1, ks[2]);
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t2 = _mm_aesenc_si128(t2, ks[2]);
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t3 = _mm_aesenc_si128(t3, ks[2]);
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t4 = _mm_aesenc_si128(t4, ks[2]);
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t1 = _mm_aesenc_si128(t1, ks[3]);
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t2 = _mm_aesenc_si128(t2, ks[3]);
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t3 = _mm_aesenc_si128(t3, ks[3]);
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t4 = _mm_aesenc_si128(t4, ks[3]);
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t1 = _mm_aesenc_si128(t1, ks[4]);
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t2 = _mm_aesenc_si128(t2, ks[4]);
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t3 = _mm_aesenc_si128(t3, ks[4]);
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t4 = _mm_aesenc_si128(t4, ks[4]);
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t1 = _mm_aesenc_si128(t1, ks[5]);
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t2 = _mm_aesenc_si128(t2, ks[5]);
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t3 = _mm_aesenc_si128(t3, ks[5]);
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t4 = _mm_aesenc_si128(t4, ks[5]);
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t1 = _mm_aesenc_si128(t1, ks[6]);
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t2 = _mm_aesenc_si128(t2, ks[6]);
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t3 = _mm_aesenc_si128(t3, ks[6]);
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t4 = _mm_aesenc_si128(t4, ks[6]);
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t1 = _mm_aesenc_si128(t1, ks[7]);
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t2 = _mm_aesenc_si128(t2, ks[7]);
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t3 = _mm_aesenc_si128(t3, ks[7]);
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t4 = _mm_aesenc_si128(t4, ks[7]);
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t1 = _mm_aesenc_si128(t1, ks[8]);
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t2 = _mm_aesenc_si128(t2, ks[8]);
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t3 = _mm_aesenc_si128(t3, ks[8]);
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t4 = _mm_aesenc_si128(t4, ks[8]);
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t1 = _mm_aesenc_si128(t1, ks[9]);
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t2 = _mm_aesenc_si128(t2, ks[9]);
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t3 = _mm_aesenc_si128(t3, ks[9]);
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t4 = _mm_aesenc_si128(t4, ks[9]);
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t1 = _mm_aesenc_si128(t1, ks[10]);
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t2 = _mm_aesenc_si128(t2, ks[10]);
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t3 = _mm_aesenc_si128(t3, ks[10]);
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t4 = _mm_aesenc_si128(t4, ks[10]);
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t1 = _mm_aesenc_si128(t1, ks[11]);
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t2 = _mm_aesenc_si128(t2, ks[11]);
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t3 = _mm_aesenc_si128(t3, ks[11]);
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t4 = _mm_aesenc_si128(t4, ks[11]);
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t1 = _mm_aesenclast_si128(t1, ks[12]);
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t2 = _mm_aesenclast_si128(t2, ks[12]);
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t3 = _mm_aesenclast_si128(t3, ks[12]);
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t4 = _mm_aesenclast_si128(t4, ks[12]);
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_mm_storeu_si128(bo + i + 0, t1);
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_mm_storeu_si128(bo + i + 1, t2);
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_mm_storeu_si128(bo + i + 2, t3);
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_mm_storeu_si128(bo + i + 3, t4);
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}
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for (i = pblocks; i < blocks; i++)
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{
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t1 = _mm_loadu_si128(bi + i);
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t1 = _mm_xor_si128(t1, ks[0]);
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t1 = _mm_aesenc_si128(t1, ks[1]);
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t1 = _mm_aesenc_si128(t1, ks[2]);
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t1 = _mm_aesenc_si128(t1, ks[3]);
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t1 = _mm_aesenc_si128(t1, ks[4]);
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t1 = _mm_aesenc_si128(t1, ks[5]);
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t1 = _mm_aesenc_si128(t1, ks[6]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[7]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[8]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[9]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[10]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[11]);
|
||||
|
||||
t1 = _mm_aesenclast_si128(t1, ks[12]);
|
||||
_mm_storeu_si128(bo + i, t1);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* AES-192 ECB decryption
|
||||
*/
|
||||
static void decrypt_ecb192(aesni_key_t *key, u_int blocks, u_char *in,
|
||||
u_char *out)
|
||||
{
|
||||
__m128i *ks, *bi, *bo;
|
||||
__m128i t1, t2, t3, t4;
|
||||
u_int i, pblocks;
|
||||
|
||||
ks = key->schedule;
|
||||
bi = (__m128i*)in;
|
||||
bo = (__m128i*)out;
|
||||
pblocks = blocks - (blocks % ECB_PARALLELISM);
|
||||
|
||||
for (i = 0; i < pblocks; i += ECB_PARALLELISM)
|
||||
{
|
||||
t1 = _mm_loadu_si128(bi + i + 0);
|
||||
t2 = _mm_loadu_si128(bi + i + 1);
|
||||
t3 = _mm_loadu_si128(bi + i + 2);
|
||||
t4 = _mm_loadu_si128(bi + i + 3);
|
||||
|
||||
t1 = _mm_xor_si128(t1, ks[0]);
|
||||
t2 = _mm_xor_si128(t2, ks[0]);
|
||||
t3 = _mm_xor_si128(t3, ks[0]);
|
||||
t4 = _mm_xor_si128(t4, ks[0]);
|
||||
|
||||
t1 = _mm_aesdec_si128(t1, ks[1]);
|
||||
t2 = _mm_aesdec_si128(t2, ks[1]);
|
||||
t3 = _mm_aesdec_si128(t3, ks[1]);
|
||||
t4 = _mm_aesdec_si128(t4, ks[1]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[2]);
|
||||
t2 = _mm_aesdec_si128(t2, ks[2]);
|
||||
t3 = _mm_aesdec_si128(t3, ks[2]);
|
||||
t4 = _mm_aesdec_si128(t4, ks[2]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[3]);
|
||||
t2 = _mm_aesdec_si128(t2, ks[3]);
|
||||
t3 = _mm_aesdec_si128(t3, ks[3]);
|
||||
t4 = _mm_aesdec_si128(t4, ks[3]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[4]);
|
||||
t2 = _mm_aesdec_si128(t2, ks[4]);
|
||||
t3 = _mm_aesdec_si128(t3, ks[4]);
|
||||
t4 = _mm_aesdec_si128(t4, ks[4]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[5]);
|
||||
t2 = _mm_aesdec_si128(t2, ks[5]);
|
||||
t3 = _mm_aesdec_si128(t3, ks[5]);
|
||||
t4 = _mm_aesdec_si128(t4, ks[5]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[6]);
|
||||
t2 = _mm_aesdec_si128(t2, ks[6]);
|
||||
t3 = _mm_aesdec_si128(t3, ks[6]);
|
||||
t4 = _mm_aesdec_si128(t4, ks[6]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[7]);
|
||||
t2 = _mm_aesdec_si128(t2, ks[7]);
|
||||
t3 = _mm_aesdec_si128(t3, ks[7]);
|
||||
t4 = _mm_aesdec_si128(t4, ks[7]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[8]);
|
||||
t2 = _mm_aesdec_si128(t2, ks[8]);
|
||||
t3 = _mm_aesdec_si128(t3, ks[8]);
|
||||
t4 = _mm_aesdec_si128(t4, ks[8]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[9]);
|
||||
t2 = _mm_aesdec_si128(t2, ks[9]);
|
||||
t3 = _mm_aesdec_si128(t3, ks[9]);
|
||||
t4 = _mm_aesdec_si128(t4, ks[9]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[10]);
|
||||
t2 = _mm_aesdec_si128(t2, ks[10]);
|
||||
t3 = _mm_aesdec_si128(t3, ks[10]);
|
||||
t4 = _mm_aesdec_si128(t4, ks[10]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[11]);
|
||||
t2 = _mm_aesdec_si128(t2, ks[11]);
|
||||
t3 = _mm_aesdec_si128(t3, ks[11]);
|
||||
t4 = _mm_aesdec_si128(t4, ks[11]);
|
||||
|
||||
t1 = _mm_aesdeclast_si128(t1, ks[12]);
|
||||
t2 = _mm_aesdeclast_si128(t2, ks[12]);
|
||||
t3 = _mm_aesdeclast_si128(t3, ks[12]);
|
||||
t4 = _mm_aesdeclast_si128(t4, ks[12]);
|
||||
|
||||
_mm_storeu_si128(bo + i + 0, t1);
|
||||
_mm_storeu_si128(bo + i + 1, t2);
|
||||
_mm_storeu_si128(bo + i + 2, t3);
|
||||
_mm_storeu_si128(bo + i + 3, t4);
|
||||
}
|
||||
|
||||
for (i = pblocks; i < blocks; i++)
|
||||
{
|
||||
t1 = _mm_loadu_si128(bi + i);
|
||||
t1 = _mm_xor_si128(t1, ks[0]);
|
||||
|
||||
t1 = _mm_aesdec_si128(t1, ks[1]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[2]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[3]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[4]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[5]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[6]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[7]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[8]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[9]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[10]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[11]);
|
||||
|
||||
t1 = _mm_aesdeclast_si128(t1, ks[12]);
|
||||
_mm_storeu_si128(bo + i, t1);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* AES-256 ECB encryption
|
||||
*/
|
||||
static void encrypt_ecb256(aesni_key_t *key, u_int blocks, u_char *in,
|
||||
u_char *out)
|
||||
{
|
||||
__m128i *ks, *bi, *bo;
|
||||
__m128i t1, t2, t3, t4;
|
||||
u_int i, pblocks;
|
||||
|
||||
ks = key->schedule;
|
||||
bi = (__m128i*)in;
|
||||
bo = (__m128i*)out;
|
||||
pblocks = blocks - (blocks % ECB_PARALLELISM);
|
||||
|
||||
for (i = 0; i < pblocks; i += ECB_PARALLELISM)
|
||||
{
|
||||
t1 = _mm_loadu_si128(bi + i + 0);
|
||||
t2 = _mm_loadu_si128(bi + i + 1);
|
||||
t3 = _mm_loadu_si128(bi + i + 2);
|
||||
t4 = _mm_loadu_si128(bi + i + 3);
|
||||
|
||||
t1 = _mm_xor_si128(t1, ks[0]);
|
||||
t2 = _mm_xor_si128(t2, ks[0]);
|
||||
t3 = _mm_xor_si128(t3, ks[0]);
|
||||
t4 = _mm_xor_si128(t4, ks[0]);
|
||||
|
||||
t1 = _mm_aesenc_si128(t1, ks[1]);
|
||||
t2 = _mm_aesenc_si128(t2, ks[1]);
|
||||
t3 = _mm_aesenc_si128(t3, ks[1]);
|
||||
t4 = _mm_aesenc_si128(t4, ks[1]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[2]);
|
||||
t2 = _mm_aesenc_si128(t2, ks[2]);
|
||||
t3 = _mm_aesenc_si128(t3, ks[2]);
|
||||
t4 = _mm_aesenc_si128(t4, ks[2]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[3]);
|
||||
t2 = _mm_aesenc_si128(t2, ks[3]);
|
||||
t3 = _mm_aesenc_si128(t3, ks[3]);
|
||||
t4 = _mm_aesenc_si128(t4, ks[3]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[4]);
|
||||
t2 = _mm_aesenc_si128(t2, ks[4]);
|
||||
t3 = _mm_aesenc_si128(t3, ks[4]);
|
||||
t4 = _mm_aesenc_si128(t4, ks[4]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[5]);
|
||||
t2 = _mm_aesenc_si128(t2, ks[5]);
|
||||
t3 = _mm_aesenc_si128(t3, ks[5]);
|
||||
t4 = _mm_aesenc_si128(t4, ks[5]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[6]);
|
||||
t2 = _mm_aesenc_si128(t2, ks[6]);
|
||||
t3 = _mm_aesenc_si128(t3, ks[6]);
|
||||
t4 = _mm_aesenc_si128(t4, ks[6]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[7]);
|
||||
t2 = _mm_aesenc_si128(t2, ks[7]);
|
||||
t3 = _mm_aesenc_si128(t3, ks[7]);
|
||||
t4 = _mm_aesenc_si128(t4, ks[7]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[8]);
|
||||
t2 = _mm_aesenc_si128(t2, ks[8]);
|
||||
t3 = _mm_aesenc_si128(t3, ks[8]);
|
||||
t4 = _mm_aesenc_si128(t4, ks[8]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[9]);
|
||||
t2 = _mm_aesenc_si128(t2, ks[9]);
|
||||
t3 = _mm_aesenc_si128(t3, ks[9]);
|
||||
t4 = _mm_aesenc_si128(t4, ks[9]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[10]);
|
||||
t2 = _mm_aesenc_si128(t2, ks[10]);
|
||||
t3 = _mm_aesenc_si128(t3, ks[10]);
|
||||
t4 = _mm_aesenc_si128(t4, ks[10]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[11]);
|
||||
t2 = _mm_aesenc_si128(t2, ks[11]);
|
||||
t3 = _mm_aesenc_si128(t3, ks[11]);
|
||||
t4 = _mm_aesenc_si128(t4, ks[11]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[12]);
|
||||
t2 = _mm_aesenc_si128(t2, ks[12]);
|
||||
t3 = _mm_aesenc_si128(t3, ks[12]);
|
||||
t4 = _mm_aesenc_si128(t4, ks[12]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[13]);
|
||||
t2 = _mm_aesenc_si128(t2, ks[13]);
|
||||
t3 = _mm_aesenc_si128(t3, ks[13]);
|
||||
t4 = _mm_aesenc_si128(t4, ks[13]);
|
||||
|
||||
t1 = _mm_aesenclast_si128(t1, ks[14]);
|
||||
t2 = _mm_aesenclast_si128(t2, ks[14]);
|
||||
t3 = _mm_aesenclast_si128(t3, ks[14]);
|
||||
t4 = _mm_aesenclast_si128(t4, ks[14]);
|
||||
|
||||
_mm_storeu_si128(bo + i + 0, t1);
|
||||
_mm_storeu_si128(bo + i + 1, t2);
|
||||
_mm_storeu_si128(bo + i + 2, t3);
|
||||
_mm_storeu_si128(bo + i + 3, t4);
|
||||
}
|
||||
|
||||
for (i = pblocks; i < blocks; i++)
|
||||
{
|
||||
t1 = _mm_loadu_si128(bi + i);
|
||||
t1 = _mm_xor_si128(t1, ks[0]);
|
||||
|
||||
t1 = _mm_aesenc_si128(t1, ks[1]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[2]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[3]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[4]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[5]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[6]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[7]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[8]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[9]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[10]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[11]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[12]);
|
||||
t1 = _mm_aesenc_si128(t1, ks[13]);
|
||||
|
||||
t1 = _mm_aesenclast_si128(t1, ks[14]);
|
||||
_mm_storeu_si128(bo + i, t1);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* AES-256 ECB decryption
|
||||
*/
|
||||
static void decrypt_ecb256(aesni_key_t *key, u_int blocks, u_char *in,
|
||||
u_char *out)
|
||||
{
|
||||
__m128i *ks, *bi, *bo;
|
||||
__m128i t1, t2, t3, t4;
|
||||
u_int i, pblocks;
|
||||
|
||||
ks = key->schedule;
|
||||
bi = (__m128i*)in;
|
||||
bo = (__m128i*)out;
|
||||
pblocks = blocks - (blocks % ECB_PARALLELISM);
|
||||
|
||||
for (i = 0; i < pblocks; i += ECB_PARALLELISM)
|
||||
{
|
||||
t1 = _mm_loadu_si128(bi + i + 0);
|
||||
t2 = _mm_loadu_si128(bi + i + 1);
|
||||
t3 = _mm_loadu_si128(bi + i + 2);
|
||||
t4 = _mm_loadu_si128(bi + i + 3);
|
||||
|
||||
t1 = _mm_xor_si128(t1, ks[0]);
|
||||
t2 = _mm_xor_si128(t2, ks[0]);
|
||||
t3 = _mm_xor_si128(t3, ks[0]);
|
||||
t4 = _mm_xor_si128(t4, ks[0]);
|
||||
|
||||
t1 = _mm_aesdec_si128(t1, ks[1]);
|
||||
t2 = _mm_aesdec_si128(t2, ks[1]);
|
||||
t3 = _mm_aesdec_si128(t3, ks[1]);
|
||||
t4 = _mm_aesdec_si128(t4, ks[1]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[2]);
|
||||
t2 = _mm_aesdec_si128(t2, ks[2]);
|
||||
t3 = _mm_aesdec_si128(t3, ks[2]);
|
||||
t4 = _mm_aesdec_si128(t4, ks[2]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[3]);
|
||||
t2 = _mm_aesdec_si128(t2, ks[3]);
|
||||
t3 = _mm_aesdec_si128(t3, ks[3]);
|
||||
t4 = _mm_aesdec_si128(t4, ks[3]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[4]);
|
||||
t2 = _mm_aesdec_si128(t2, ks[4]);
|
||||
t3 = _mm_aesdec_si128(t3, ks[4]);
|
||||
t4 = _mm_aesdec_si128(t4, ks[4]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[5]);
|
||||
t2 = _mm_aesdec_si128(t2, ks[5]);
|
||||
t3 = _mm_aesdec_si128(t3, ks[5]);
|
||||
t4 = _mm_aesdec_si128(t4, ks[5]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[6]);
|
||||
t2 = _mm_aesdec_si128(t2, ks[6]);
|
||||
t3 = _mm_aesdec_si128(t3, ks[6]);
|
||||
t4 = _mm_aesdec_si128(t4, ks[6]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[7]);
|
||||
t2 = _mm_aesdec_si128(t2, ks[7]);
|
||||
t3 = _mm_aesdec_si128(t3, ks[7]);
|
||||
t4 = _mm_aesdec_si128(t4, ks[7]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[8]);
|
||||
t2 = _mm_aesdec_si128(t2, ks[8]);
|
||||
t3 = _mm_aesdec_si128(t3, ks[8]);
|
||||
t4 = _mm_aesdec_si128(t4, ks[8]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[9]);
|
||||
t2 = _mm_aesdec_si128(t2, ks[9]);
|
||||
t3 = _mm_aesdec_si128(t3, ks[9]);
|
||||
t4 = _mm_aesdec_si128(t4, ks[9]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[10]);
|
||||
t2 = _mm_aesdec_si128(t2, ks[10]);
|
||||
t3 = _mm_aesdec_si128(t3, ks[10]);
|
||||
t4 = _mm_aesdec_si128(t4, ks[10]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[11]);
|
||||
t2 = _mm_aesdec_si128(t2, ks[11]);
|
||||
t3 = _mm_aesdec_si128(t3, ks[11]);
|
||||
t4 = _mm_aesdec_si128(t4, ks[11]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[12]);
|
||||
t2 = _mm_aesdec_si128(t2, ks[12]);
|
||||
t3 = _mm_aesdec_si128(t3, ks[12]);
|
||||
t4 = _mm_aesdec_si128(t4, ks[12]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[13]);
|
||||
t2 = _mm_aesdec_si128(t2, ks[13]);
|
||||
t3 = _mm_aesdec_si128(t3, ks[13]);
|
||||
t4 = _mm_aesdec_si128(t4, ks[13]);
|
||||
|
||||
t1 = _mm_aesdeclast_si128(t1, ks[14]);
|
||||
t2 = _mm_aesdeclast_si128(t2, ks[14]);
|
||||
t3 = _mm_aesdeclast_si128(t3, ks[14]);
|
||||
t4 = _mm_aesdeclast_si128(t4, ks[14]);
|
||||
|
||||
_mm_storeu_si128(bo + i + 0, t1);
|
||||
_mm_storeu_si128(bo + i + 1, t2);
|
||||
_mm_storeu_si128(bo + i + 2, t3);
|
||||
_mm_storeu_si128(bo + i + 3, t4);
|
||||
}
|
||||
|
||||
for (i = pblocks; i < blocks; i++)
|
||||
{
|
||||
t1 = _mm_loadu_si128(bi + i);
|
||||
t1 = _mm_xor_si128(t1, ks[0]);
|
||||
|
||||
t1 = _mm_aesdec_si128(t1, ks[1]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[2]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[3]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[4]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[5]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[6]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[7]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[8]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[9]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[10]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[11]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[12]);
|
||||
t1 = _mm_aesdec_si128(t1, ks[13]);
|
||||
|
||||
t1 = _mm_aesdeclast_si128(t1, ks[14]);
|
||||
_mm_storeu_si128(bo + i, t1);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Do inline or allocated de/encryption using key schedule
|
||||
*/
|
||||
static bool crypt(aesni_ecb_fn_t fn, aesni_key_t *key, chunk_t data,
|
||||
chunk_t *out)
|
||||
{
|
||||
u_char *buf;
|
||||
|
||||
if (!key || data.len % AES_BLOCK_SIZE)
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
if (out)
|
||||
{
|
||||
*out = chunk_alloc(data.len);
|
||||
buf = out->ptr;
|
||||
}
|
||||
else
|
||||
{
|
||||
buf = data.ptr;
|
||||
}
|
||||
fn(key, data.len / AES_BLOCK_SIZE, data.ptr, buf);
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
METHOD(crypter_t, encrypt, bool,
|
||||
private_aesni_ecb_t *this, chunk_t data, chunk_t iv, chunk_t *encrypted)
|
||||
{
|
||||
return crypt(this->encrypt, this->ekey, data, encrypted);
|
||||
}
|
||||
|
||||
METHOD(crypter_t, decrypt, bool,
|
||||
private_aesni_ecb_t *this, chunk_t data, chunk_t iv, chunk_t *decrypted)
|
||||
{
|
||||
return crypt(this->decrypt, this->dkey, data, decrypted);
|
||||
}
|
||||
|
||||
METHOD(crypter_t, get_block_size, size_t,
|
||||
private_aesni_ecb_t *this)
|
||||
{
|
||||
return AES_BLOCK_SIZE;
|
||||
}
|
||||
|
||||
METHOD(crypter_t, get_iv_size, size_t,
|
||||
private_aesni_ecb_t *this)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
METHOD(crypter_t, get_key_size, size_t,
|
||||
private_aesni_ecb_t *this)
|
||||
{
|
||||
return this->key_size;
|
||||
}
|
||||
|
||||
METHOD(crypter_t, set_key, bool,
|
||||
private_aesni_ecb_t *this, chunk_t key)
|
||||
{
|
||||
if (key.len != this->key_size)
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
DESTROY_IF(this->ekey);
|
||||
DESTROY_IF(this->dkey);
|
||||
|
||||
this->ekey = aesni_key_create(TRUE, key);
|
||||
this->dkey = aesni_key_create(FALSE, key);
|
||||
|
||||
return this->ekey && this->dkey;
|
||||
}
|
||||
|
||||
METHOD(crypter_t, destroy, void,
|
||||
private_aesni_ecb_t *this)
|
||||
{
|
||||
DESTROY_IF(this->ekey);
|
||||
DESTROY_IF(this->dkey);
|
||||
free_align(this);
|
||||
}
|
||||
|
||||
/**
|
||||
* See header
|
||||
*/
|
||||
aesni_ecb_t *aesni_ecb_create(encryption_algorithm_t algo, size_t key_size)
|
||||
{
|
||||
private_aesni_ecb_t *this;
|
||||
|
||||
if (algo != ENCR_AES_ECB)
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
switch (key_size)
|
||||
{
|
||||
case 0:
|
||||
key_size = 16;
|
||||
break;
|
||||
case 16:
|
||||
case 24:
|
||||
case 32:
|
||||
break;
|
||||
default:
|
||||
return NULL;
|
||||
}
|
||||
|
||||
INIT_ALIGN(this, sizeof(__m128i),
|
||||
.public = {
|
||||
.crypter = {
|
||||
.encrypt = _encrypt,
|
||||
.decrypt = _decrypt,
|
||||
.get_block_size = _get_block_size,
|
||||
.get_iv_size = _get_iv_size,
|
||||
.get_key_size = _get_key_size,
|
||||
.set_key = _set_key,
|
||||
.destroy = _destroy,
|
||||
},
|
||||
},
|
||||
.key_size = key_size,
|
||||
);
|
||||
|
||||
switch (key_size)
|
||||
{
|
||||
case 16:
|
||||
this->encrypt = encrypt_ecb128;
|
||||
this->decrypt = decrypt_ecb128;
|
||||
break;
|
||||
case 24:
|
||||
this->encrypt = encrypt_ecb192;
|
||||
this->decrypt = decrypt_ecb192;
|
||||
break;
|
||||
case 32:
|
||||
this->encrypt = encrypt_ecb256;
|
||||
this->decrypt = decrypt_ecb256;
|
||||
break;
|
||||
}
|
||||
|
||||
return &this->public;
|
||||
}
|
||||
@@ -0,0 +1,48 @@
|
||||
/*
|
||||
* Copyright (C) 2019 Andreas Steffen
|
||||
* HSR Hochschule fuer Technik Rapperswil
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License as published by the
|
||||
* Free Software Foundation; either version 2 of the License, or (at your
|
||||
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful, but
|
||||
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
||||
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
* for more details.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @defgroup aesni_ecb aesni_ecb
|
||||
* @{ @ingroup aesni
|
||||
*/
|
||||
|
||||
#ifndef AESNI_ECB_H_
|
||||
#define AESNI_ECB_H_
|
||||
|
||||
#include <library.h>
|
||||
|
||||
typedef struct aesni_ecb_t aesni_ecb_t;
|
||||
|
||||
/**
|
||||
* ECB mode crypter using AES-NI
|
||||
*/
|
||||
struct aesni_ecb_t {
|
||||
|
||||
/**
|
||||
* Implements crypter interface
|
||||
*/
|
||||
crypter_t crypter;
|
||||
};
|
||||
|
||||
/**
|
||||
* Create a aesni_ecb instance.
|
||||
*
|
||||
* @param algo encryption algorithm, AES_ENCR_ECB
|
||||
* @param key_size AES key size, in bytes
|
||||
* @return AES-ECB crypter, NULL if not supported
|
||||
*/
|
||||
aesni_ecb_t *aesni_ecb_create(encryption_algorithm_t algo, size_t key_size);
|
||||
|
||||
#endif /** AESNI_ECB_H_ @}*/
|
||||
@@ -15,6 +15,7 @@
|
||||
|
||||
#include "aesni_plugin.h"
|
||||
#include "aesni_cbc.h"
|
||||
#include "aesni_ecb.h"
|
||||
#include "aesni_ctr.h"
|
||||
#include "aesni_ccm.h"
|
||||
#include "aesni_gcm.h"
|
||||
@@ -55,6 +56,10 @@ METHOD(plugin_t, get_features, int,
|
||||
PLUGIN_PROVIDE(CRYPTER, ENCR_AES_CBC, 16),
|
||||
PLUGIN_PROVIDE(CRYPTER, ENCR_AES_CBC, 24),
|
||||
PLUGIN_PROVIDE(CRYPTER, ENCR_AES_CBC, 32),
|
||||
PLUGIN_REGISTER(CRYPTER, aesni_ecb_create),
|
||||
PLUGIN_PROVIDE(CRYPTER, ENCR_AES_ECB, 16),
|
||||
PLUGIN_PROVIDE(CRYPTER, ENCR_AES_ECB, 24),
|
||||
PLUGIN_PROVIDE(CRYPTER, ENCR_AES_ECB, 32),
|
||||
PLUGIN_REGISTER(CRYPTER, aesni_ctr_create),
|
||||
PLUGIN_PROVIDE(CRYPTER, ENCR_AES_CTR, 16),
|
||||
PLUGIN_PROVIDE(CRYPTER, ENCR_AES_CTR, 24),
|
||||
|
||||
Reference in New Issue
Block a user