| Current Path : /sys/crypto/aesni/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //sys/crypto/aesni/aeskeys_i386.S |
/*- * The white paper of AES-NI instructions can be downloaded from: * http://softwarecommunity.intel.com/isn/downloads/intelavx/AES-Instructions-Set_WP.pdf * * Copyright (C) 2008-2010, Intel Corporation * Author: Huang Ying <ying.huang@intel.com> * Vinodh Gopal <vinodh.gopal@intel.com> * Kahraman Akdemir * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the * distribution. * * - Neither the name of Intel Corporation nor the names of its * contributors may be used to endorse or promote products * derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include <machine/asmacros.h> .text ENTRY(_key_expansion_128) _key_expansion_256a: .cfi_startproc pshufd $0b11111111,%xmm1,%xmm1 shufps $0b00010000,%xmm0,%xmm4 pxor %xmm4,%xmm0 shufps $0b10001100,%xmm0,%xmm4 pxor %xmm4,%xmm0 pxor %xmm1,%xmm0 movaps %xmm0,(%edx) addl $0x10,%edx retl .cfi_endproc END(_key_expansion_128) ENTRY(_key_expansion_192a) .cfi_startproc pshufd $0b01010101,%xmm1,%xmm1 shufps $0b00010000,%xmm0,%xmm4 pxor %xmm4,%xmm0 shufps $0b10001100,%xmm0,%xmm4 pxor %xmm4,%xmm0 pxor %xmm1,%xmm0 movaps %xmm2,%xmm5 movaps %xmm2,%xmm6 pslldq $4,%xmm5 pshufd $0b11111111,%xmm0,%xmm3 pxor %xmm3,%xmm2 pxor %xmm5,%xmm2 movaps %xmm0,%xmm1 shufps $0b01000100,%xmm0,%xmm6 movaps %xmm6,(%edx) shufps $0b01001110,%xmm2,%xmm1 movaps %xmm1,0x10(%edx) addl $0x20,%edx retl .cfi_endproc END(_key_expansion_192a) ENTRY(_key_expansion_192b) .cfi_startproc pshufd $0b01010101,%xmm1,%xmm1 shufps $0b00010000,%xmm0,%xmm4 pxor %xmm4,%xmm0 shufps $0b10001100,%xmm0,%xmm4 pxor %xmm4,%xmm0 pxor %xmm1,%xmm0 movaps %xmm2,%xmm5 pslldq $4,%xmm5 pshufd $0b11111111,%xmm0,%xmm3 pxor %xmm3,%xmm2 pxor %xmm5,%xmm2 movaps %xmm0,(%edx) addl $0x10,%edx retl .cfi_endproc END(_key_expansion_192b) ENTRY(_key_expansion_256b) .cfi_startproc pshufd $0b10101010,%xmm1,%xmm1 shufps $0b00010000,%xmm2,%xmm4 pxor %xmm4,%xmm2 shufps $0b10001100,%xmm2,%xmm4 pxor %xmm4,%xmm2 pxor %xmm1,%xmm2 movaps %xmm2,(%edx) addl $0x10,%edx retl .cfi_endproc END(_key_expansion_256b) ENTRY(aesni_set_enckey) .cfi_startproc pushl %ebp .cfi_adjust_cfa_offset 4 movl %esp,%ebp movl 8(%ebp),%ecx movl 12(%ebp),%edx movups (%ecx),%xmm0 # user key (first 16 bytes) movaps %xmm0,(%edx) addl $0x10,%edx # key addr pxor %xmm4,%xmm4 # xmm4 is assumed 0 in _key_expansion_x cmpl $12,16(%ebp) # rounds jb .Lenc_key128 je .Lenc_key192 movups 0x10(%ecx),%xmm2 # other user key movaps %xmm2,(%edx) addl $0x10,%edx // aeskeygenassist $0x1,%xmm2,%xmm1 # round 1 .byte 0x66,0x0f,0x3a,0xdf,0xca,0x01 call _key_expansion_256a // aeskeygenassist $0x1,%xmm0,%xmm1 .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x01 call _key_expansion_256b // aeskeygenassist $0x2,%xmm2,%xmm1 # round 2 .byte 0x66,0x0f,0x3a,0xdf,0xca,0x02 call _key_expansion_256a // aeskeygenassist $0x2,%xmm0,%xmm1 .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x02 call _key_expansion_256b // aeskeygenassist $0x4,%xmm2,%xmm1 # round 3 .byte 0x66,0x0f,0x3a,0xdf,0xca,0x04 call _key_expansion_256a // aeskeygenassist $0x4,%xmm0,%xmm1 .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x04 call _key_expansion_256b // aeskeygenassist $0x8,%xmm2,%xmm1 # round 4 .byte 0x66,0x0f,0x3a,0xdf,0xca,0x08 call _key_expansion_256a // aeskeygenassist $0x8,%xmm0,%xmm1 .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x08 call _key_expansion_256b // aeskeygenassist $0x10,%xmm2,%xmm1 # round 5 .byte 0x66,0x0f,0x3a,0xdf,0xca,0x10 call _key_expansion_256a // aeskeygenassist $0x10,%xmm0,%xmm1 .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x10 call _key_expansion_256b // aeskeygenassist $0x20,%xmm2,%xmm1 # round 6 .byte 0x66,0x0f,0x3a,0xdf,0xca,0x20 call _key_expansion_256a // aeskeygenassist $0x20,%xmm0,%xmm1 .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x20 call _key_expansion_256b // aeskeygenassist $0x40,%xmm2,%xmm1 # round 7 .byte 0x66,0x0f,0x3a,0xdf,0xca,0x40 call _key_expansion_256a .cfi_adjust_cfa_offset -4 leave retl .Lenc_key192: movq 0x10(%ecx),%xmm2 # other user key // aeskeygenassist $0x1,%xmm2,%xmm1 # round 1 .byte 0x66,0x0f,0x3a,0xdf,0xca,0x01 call _key_expansion_192a // aeskeygenassist $0x2,%xmm2,%xmm1 # round 2 .byte 0x66,0x0f,0x3a,0xdf,0xca,0x02 call _key_expansion_192b // aeskeygenassist $0x4,%xmm2,%xmm1 # round 3 .byte 0x66,0x0f,0x3a,0xdf,0xca,0x04 call _key_expansion_192a // aeskeygenassist $0x8,%xmm2,%xmm1 # round 4 .byte 0x66,0x0f,0x3a,0xdf,0xca,0x08 call _key_expansion_192b // aeskeygenassist $0x10,%xmm2,%xmm1 # round 5 .byte 0x66,0x0f,0x3a,0xdf,0xca,0x10 call _key_expansion_192a // aeskeygenassist $0x20,%xmm2,%xmm1 # round 6 .byte 0x66,0x0f,0x3a,0xdf,0xca,0x20 call _key_expansion_192b // aeskeygenassist $0x40,%xmm2,%xmm1 # round 7 .byte 0x66,0x0f,0x3a,0xdf,0xca,0x40 call _key_expansion_192a // aeskeygenassist $0x80,%xmm2,%xmm1 # round 8 .byte 0x66,0x0f,0x3a,0xdf,0xca,0x80 call _key_expansion_192b leave .cfi_adjust_cfa_offset -4 retl .Lenc_key128: // aeskeygenassist $0x1,%xmm0,%xmm1 # round 1 .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x01 call _key_expansion_128 // aeskeygenassist $0x2,%xmm0,%xmm1 # round 2 .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x02 call _key_expansion_128 // aeskeygenassist $0x4,%xmm0,%xmm1 # round 3 .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x04 call _key_expansion_128 // aeskeygenassist $0x8,%xmm0,%xmm1 # round 4 .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x08 call _key_expansion_128 // aeskeygenassist $0x10,%xmm0,%xmm1 # round 5 .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x10 call _key_expansion_128 // aeskeygenassist $0x20,%xmm0,%xmm1 # round 6 .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x20 call _key_expansion_128 // aeskeygenassist $0x40,%xmm0,%xmm1 # round 7 .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x40 call _key_expansion_128 // aeskeygenassist $0x80,%xmm0,%xmm1 # round 8 .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x80 call _key_expansion_128 // aeskeygenassist $0x1b,%xmm0,%xmm1 # round 9 .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x1b call _key_expansion_128 // aeskeygenassist $0x36,%xmm0,%xmm1 # round 10 .byte 0x66,0x0f,0x3a,0xdf,0xc8,0x36 call _key_expansion_128 leave .cfi_adjust_cfa_offset -4 retl .cfi_endproc END(aesni_set_enckey) ENTRY(aesni_set_deckey) .cfi_startproc pushl %ebp .cfi_adjust_cfa_offset 4 movl %esp,%ebp movl 16(%ebp),%eax /* rounds */ movl %eax,%ecx shll $4,%ecx addl 8(%ebp),%ecx /* encrypt_schedule last quad */ movl 12(%ebp),%edx /* decrypt_schedule */ movdqa (%ecx),%xmm0 movdqa %xmm0,(%edx) decl %eax 1: addl $0x10,%edx subl $0x10,%ecx // aesimc (%ecx),%xmm1 .byte 0x66,0x0f,0x38,0xdb,0x09 movdqa %xmm1,(%edx) decl %eax jne 1b addl $0x10,%edx subl $0x10,%ecx movdqa (%ecx),%xmm0 movdqa %xmm0,(%edx) leave .cfi_adjust_cfa_offset -4 retl .cfi_endproc END(aesni_set_deckey) .ident "$FreeBSD: release/9.1.0/sys/crypto/aesni/aeskeys_i386.S 219178 2011-03-02 14:56:58Z kib $"