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RetroZilla/security/nss/lib/freebl/intel-gcm-x86-masm.asm
roytam1 30d33aa8e8 cherry-picked mozilla NSS upstream changes (to rev f7a4c771997e, which is on par with 3.16.1 but without windows rand() changes): 
9934c8faef29, 3c3b381c4865, 5a67f6beee9a, 1b1eb6d77728, a8b668fd72f7, bug962760, bug743700, bug857304, bug972653, bug972450, bug971358, bug903885, bug977073, bug976111, bug949939, bug947653, bug947572, bug903885, bug979106, bug966596, bug979004, bug979752, bug980848, bug938369, bug981170, bug668130, bug974693, bug975056, bug979132, bug370717, bug979070, bug985070, bug900067, bug977673, bug519255, bug989558, bug557299, bug987263, bug369802, a751a5146718, bug992343, bug952572, bug979703, bug994883, bug994869, bug993489, bug984608, bug977869, bug667371, bug672828, bug793347, bug977869
2018-07-14 21:22:29 +08:00

1210 lines
31 KiB
NASM
Raw Blame History

; LICENSE:
; This submission to NSS is to be made available under the terms of the
; Mozilla Public License, v. 2.0. You can obtain one at http:
; //mozilla.org/MPL/2.0/.
;###############################################################################
; Copyright(c) 2014, Intel Corp.
; Developers and authors:
; Shay Gueron and Vlad Krasnov
; Intel Corporation, Israel Development Centre, Haifa, Israel
; Please send feedback directly to crypto.feedback.alias@intel.com
.MODEL FLAT, C
.XMM
.DATA
ALIGN 16
Lone dq 1,0
Ltwo dq 2,0
Lbswap_mask db 15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0
Lshuff_mask dq 0f0f0f0f0f0f0f0fh, 0f0f0f0f0f0f0f0fh
Lpoly dq 01h, 0c200000000000000h
.CODE
GFMUL MACRO DST, SRC1, SRC2, TMP1, TMP2, TMP3, TMP4
vpclmulqdq TMP1, SRC2, SRC1, 0h
vpclmulqdq TMP4, SRC2, SRC1, 011h
vpshufd TMP2, SRC2, 78
vpshufd TMP3, SRC1, 78
vpxor TMP2, TMP2, SRC2
vpxor TMP3, TMP3, SRC1
vpclmulqdq TMP2, TMP2, TMP3, 0h
vpxor TMP2, TMP2, TMP1
vpxor TMP2, TMP2, TMP4
vpslldq TMP3, TMP2, 8
vpsrldq TMP2, TMP2, 8
vpxor TMP1, TMP1, TMP3
vpxor TMP4, TMP4, TMP2
vpclmulqdq TMP2, TMP1, [Lpoly], 010h
vpshufd TMP3, TMP1, 78
vpxor TMP1, TMP2, TMP3
vpclmulqdq TMP2, TMP1, [Lpoly], 010h
vpshufd TMP3, TMP1, 78
vpxor TMP1, TMP2, TMP3
vpxor DST, TMP1, TMP4
ENDM
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;
; Generates the final GCM tag
; void intel_aes_gcmTAG(unsigned char Htbl[16*16],
; unsigned char *Tp,
; unsigned int Mlen,
; unsigned int Alen,
; unsigned char* X0,
; unsigned char* TAG);
;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
ALIGN 16
intel_aes_gcmTAG PROC
Htbl textequ <eax>
Tp textequ <ecx>
X0 textequ <edx>
TAG textequ <ebx>
T textequ <xmm0>
TMP0 textequ <xmm1>
push ebx
mov Htbl, [esp + 2*4 + 0*4]
mov Tp, [esp + 2*4 + 1*4]
mov X0, [esp + 2*4 + 4*4]
mov TAG, [esp + 2*4 + 5*4]
vzeroupper
vmovdqu T, XMMWORD PTR[Tp]
vpxor TMP0, TMP0, TMP0
vpinsrd TMP0, TMP0, DWORD PTR[esp + 2*4 + 2*4], 0
vpinsrd TMP0, TMP0, DWORD PTR[esp + 2*4 + 3*4], 2
vpsllq TMP0, TMP0, 3
vpxor T, T, TMP0
vmovdqu TMP0, XMMWORD PTR[Htbl]
GFMUL T, T, TMP0, xmm2, xmm3, xmm4, xmm5
vpshufb T, T, [Lbswap_mask]
vpxor T, T, [X0]
vmovdqu XMMWORD PTR[TAG], T
vzeroupper
pop ebx
ret
intel_aes_gcmTAG ENDP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;
; Generates the H table
; void intel_aes_gcmINIT(unsigned char Htbl[16*16], unsigned char *KS, int NR);
;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
ALIGN 16
intel_aes_gcmINIT PROC
Htbl textequ <eax>
KS textequ <ecx>
NR textequ <edx>
T textequ <xmm0>
TMP0 textequ <xmm1>
mov Htbl, [esp + 4*1 + 0*4]
mov KS, [esp + 4*1 + 1*4]
mov NR, [esp + 4*1 + 2*4]
vzeroupper
; AES-ENC(0)
vmovdqu T, XMMWORD PTR[KS]
lea KS, [16 + KS]
dec NR
Lenc_loop:
vaesenc T, T, [KS]
lea KS, [16 + KS]
dec NR
jnz Lenc_loop
vaesenclast T, T, [KS]
vpshufb T, T, [Lbswap_mask]
;Calculate H` = GFMUL(H, 2)
vpsrad xmm3, T, 31
vpshufd xmm3, xmm3, 0ffh
vpand xmm5, xmm3, [Lpoly]
vpsrld xmm3, T, 31
vpslld xmm4, T, 1
vpslldq xmm3, xmm3, 4
vpxor T, xmm4, xmm3
vpxor T, T, xmm5
vmovdqu TMP0, T
vmovdqu XMMWORD PTR[Htbl + 0*16], T
vpshufd xmm2, T, 78
vpxor xmm2, xmm2, T
vmovdqu XMMWORD PTR[Htbl + 8*16 + 0*16], xmm2
i = 1
WHILE i LT 8
GFMUL T, T, TMP0, xmm2, xmm3, xmm4, xmm5
vmovdqu XMMWORD PTR[Htbl + i*16], T
vpshufd xmm2, T, 78
vpxor xmm2, xmm2, T
vmovdqu XMMWORD PTR[Htbl + 8*16 + i*16], xmm2
i = i+1
ENDM
vzeroupper
ret
intel_aes_gcmINIT ENDP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;
; Authenticate only
; void intel_aes_gcmAAD(unsigned char Htbl[16*16], unsigned char *AAD, unsigned int Alen, unsigned char *Tp);
;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
ALIGN 16
intel_aes_gcmAAD PROC
Htbl textequ <eax>
inp textequ <ecx>
len textequ <edx>
Tp textequ <ebx>
hlp0 textequ <esi>
DATA textequ <xmm0>
T textequ <xmm1>
TMP0 textequ <xmm2>
TMP1 textequ <xmm3>
TMP2 textequ <xmm4>
TMP3 textequ <xmm5>
TMP4 textequ <xmm6>
Xhi textequ <xmm7>
KARATSUBA_AAD MACRO i
vpclmulqdq TMP3, DATA, [Htbl + i*16], 0h
vpxor TMP0, TMP0, TMP3
vpclmulqdq TMP3, DATA, [Htbl + i*16], 011h
vpxor TMP1, TMP1, TMP3
vpshufd TMP3, DATA, 78
vpxor TMP3, TMP3, DATA
vpclmulqdq TMP3, TMP3, [Htbl + 8*16 + i*16], 0h
vpxor TMP2, TMP2, TMP3
ENDM
cmp DWORD PTR[esp + 1*3 + 2*4], 0
jnz LbeginAAD
ret
LbeginAAD:
push ebx
push esi
mov Htbl, [esp + 4*3 + 0*4]
mov inp, [esp + 4*3 + 1*4]
mov len, [esp + 4*3 + 2*4]
mov Tp, [esp + 4*3 + 3*4]
vzeroupper
vpxor Xhi, Xhi, Xhi
vmovdqu T, XMMWORD PTR[Tp]
;we hash 8 block each iteration, if the total amount of blocks is not a multiple of 8, we hash the first n%8 blocks first
mov hlp0, len
and hlp0, 128-1
jz Lmod_loop
and len, -128
sub hlp0, 16
; Prefix block
vmovdqu DATA, XMMWORD PTR[inp]
vpshufb DATA, DATA, [Lbswap_mask]
vpxor DATA, DATA, T
vpclmulqdq TMP0, DATA, XMMWORD PTR[Htbl + hlp0], 0h
vpclmulqdq TMP1, DATA, XMMWORD PTR[Htbl + hlp0], 011h
vpshufd TMP3, DATA, 78
vpxor TMP3, TMP3, DATA
vpclmulqdq TMP2, TMP3, XMMWORD PTR[Htbl + 8*16 + hlp0], 0h
lea inp, [inp+16]
test hlp0, hlp0
jnz Lpre_loop
jmp Lred1
;hash remaining prefix bocks (up to 7 total prefix blocks)
Lpre_loop:
sub hlp0, 16
vmovdqu DATA, XMMWORD PTR[inp]
vpshufb DATA, DATA, [Lbswap_mask]
vpclmulqdq TMP3, DATA, XMMWORD PTR[Htbl + hlp0], 0h
vpxor TMP0, TMP0, TMP3
vpclmulqdq TMP3, DATA, XMMWORD PTR[Htbl + hlp0], 011h
vpxor TMP1, TMP1, TMP3
vpshufd TMP3, DATA, 78
vpxor TMP3, TMP3, DATA
vpclmulqdq TMP3, TMP3, XMMWORD PTR[Htbl + 8*16 + hlp0], 0h
vpxor TMP2, TMP2, TMP3
test hlp0, hlp0
lea inp, [inp+16]
jnz Lpre_loop
Lred1:
vpxor TMP2, TMP2, TMP0
vpxor TMP2, TMP2, TMP1
vpsrldq TMP3, TMP2, 8
vpslldq TMP2, TMP2, 8
vpxor Xhi, TMP1, TMP3
vpxor T, TMP0, TMP2
Lmod_loop:
sub len, 16*8
jb Ldone
; Block #0
vmovdqu DATA, XMMWORD PTR[inp + 16*7]
vpshufb DATA, DATA, XMMWORD PTR[Lbswap_mask]
vpclmulqdq TMP0, DATA, XMMWORD PTR[Htbl + 0*16], 0h
vpclmulqdq TMP1, DATA, XMMWORD PTR[Htbl + 0*16], 011h
vpshufd TMP3, DATA, 78
vpxor TMP3, TMP3, DATA
vpclmulqdq TMP2, TMP3, XMMWORD PTR[Htbl + 8*16 + 0*16], 0h
; Block #1
vmovdqu DATA, XMMWORD PTR[inp + 16*6]
vpshufb DATA, DATA, [Lbswap_mask]
KARATSUBA_AAD 1
; Block #2
vmovdqu DATA, XMMWORD PTR[inp + 16*5]
vpshufb DATA, DATA, [Lbswap_mask]
vpclmulqdq TMP4, T, [Lpoly], 010h ;reduction stage 1a
vpalignr T, T, T, 8
KARATSUBA_AAD 2
vpxor T, T, TMP4 ;reduction stage 1b
; Block #3
vmovdqu DATA, XMMWORD PTR[inp + 16*4]
vpshufb DATA, DATA, [Lbswap_mask]
KARATSUBA_AAD 3
; Block #4
vmovdqu DATA, XMMWORD PTR[inp + 16*3]
vpshufb DATA, DATA, [Lbswap_mask]
vpclmulqdq TMP4, T, [Lpoly], 010h ;reduction stage 2a
vpalignr T, T, T, 8
KARATSUBA_AAD 4
vpxor T, T, TMP4 ;reduction stage 2b
; Block #5
vmovdqu DATA, XMMWORD PTR[inp + 16*2]
vpshufb DATA, DATA, [Lbswap_mask]
KARATSUBA_AAD 5
vpxor T, T, Xhi ;reduction finalize
; Block #6
vmovdqu DATA, XMMWORD PTR[inp + 16*1]
vpshufb DATA, DATA, [Lbswap_mask]
KARATSUBA_AAD 6
; Block #7
vmovdqu DATA, XMMWORD PTR[inp + 16*0]
vpshufb DATA, DATA, [Lbswap_mask]
vpxor DATA, DATA, T
KARATSUBA_AAD 7
; Aggregated 8 blocks, now karatsuba fixup
vpxor TMP2, TMP2, TMP0
vpxor TMP2, TMP2, TMP1
vpsrldq TMP3, TMP2, 8
vpslldq TMP2, TMP2, 8
vpxor Xhi, TMP1, TMP3
vpxor T, TMP0, TMP2
lea inp, [inp + 16*8]
jmp Lmod_loop
Ldone:
vpclmulqdq TMP4, T, [Lpoly], 010h
vpalignr T, T, T, 8
vpxor T, T, TMP4
vpclmulqdq TMP4, T, [Lpoly], 010h
vpalignr T, T, T, 8
vpxor T, T, TMP4
vpxor T, T, Xhi
vmovdqu XMMWORD PTR[Tp], T
vzeroupper
pop esi
pop ebx
ret
intel_aes_gcmAAD ENDP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;
; Encrypt and Authenticate
; void intel_aes_gcmENC(unsigned char* PT, unsigned char* CT, void *Gctx, unsigned int len);
;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
ALIGN 16
intel_aes_gcmENC PROC
PT textequ <eax>
CT textequ <ecx>
Htbl textequ <edx>
Gctx textequ <edx>
len textequ <DWORD PTR[ebp + 5*4 + 3*4]>
KS textequ <esi>
NR textequ <DWORD PTR[-40 + KS]>
aluCTR textequ <ebx>
aluTMP textequ <edi>
T textequ <XMMWORD PTR[16*16 + 1*16 + Gctx]>
TMP0 textequ <xmm1>
TMP1 textequ <xmm2>
TMP2 textequ <xmm3>
TMP3 textequ <xmm4>
TMP4 textequ <xmm5>
TMP5 textequ <xmm6>
CTR0 textequ <xmm0>
CTR1 textequ <xmm1>
CTR2 textequ <xmm2>
CTR3 textequ <xmm3>
CTR4 textequ <xmm4>
CTR5 textequ <xmm5>
CTR6 textequ <xmm6>
ROUND MACRO i
vmovdqu xmm7, XMMWORD PTR[i*16 + KS]
vaesenc CTR0, CTR0, xmm7
vaesenc CTR1, CTR1, xmm7
vaesenc CTR2, CTR2, xmm7
vaesenc CTR3, CTR3, xmm7
vaesenc CTR4, CTR4, xmm7
vaesenc CTR5, CTR5, xmm7
vaesenc CTR6, CTR6, xmm7
ENDM
KARATSUBA MACRO i
vpshufd TMP4, TMP5, 78
vpxor TMP4, TMP4, TMP5
vpclmulqdq TMP3, TMP4, XMMWORD PTR[i*16 + 8*16 + Htbl], 000h
vpxor TMP0, TMP0, TMP3
vmovdqu TMP4, XMMWORD PTR[i*16 + Htbl]
vpclmulqdq TMP3, TMP5, TMP4, 011h
vpxor TMP1, TMP1, TMP3
vpclmulqdq TMP3, TMP5, TMP4, 000h
vpxor TMP2, TMP2, TMP3
ENDM
NEXTCTR MACRO i
add aluCTR, 1
mov aluTMP, aluCTR
bswap aluTMP
xor aluTMP, [3*4 + KS]
mov [3*4 + 8*16 + i*16 + esp], aluTMP
ENDM
cmp DWORD PTR[1*4 + 3*4 + esp], 0
jne LbeginENC
ret
LbeginENC:
vzeroupper
push ebp
push ebx
push esi
push edi
mov ebp, esp
sub esp, 16*16
and esp, -16
mov PT, [ebp + 5*4 + 0*4]
mov CT, [ebp + 5*4 + 1*4]
mov Gctx, [ebp + 5*4 + 2*4]
mov KS, [16*16 + 3*16 + Gctx]
lea KS, [44 + KS]
mov aluCTR, [16*16 + 2*16 + 3*4 + Gctx]
bswap aluCTR
vmovdqu TMP0, XMMWORD PTR[0*16 + KS]
vpxor TMP0, TMP0, XMMWORD PTR[16*16 + 2*16 + Gctx]
vmovdqu XMMWORD PTR[8*16 + 0*16 + esp], TMP0
cmp len, 16*7
jb LEncDataSingles
; Prepare the "top" counters
vmovdqu XMMWORD PTR[8*16 + 1*16 + esp], TMP0
vmovdqu XMMWORD PTR[8*16 + 2*16 + esp], TMP0
vmovdqu XMMWORD PTR[8*16 + 3*16 + esp], TMP0
vmovdqu XMMWORD PTR[8*16 + 4*16 + esp], TMP0
vmovdqu XMMWORD PTR[8*16 + 5*16 + esp], TMP0
vmovdqu XMMWORD PTR[8*16 + 6*16 + esp], TMP0
vmovdqu CTR0, XMMWORD PTR[16*16 + 2*16 + Gctx]
vpshufb CTR0, CTR0, XMMWORD PTR[Lbswap_mask]
; Encrypt the initial 7 blocks
sub len, 16*7
vpaddd CTR1, CTR0, XMMWORD PTR[Lone]
vpaddd CTR2, CTR0, XMMWORD PTR[Ltwo]
vpaddd CTR3, CTR2, XMMWORD PTR[Lone]
vpaddd CTR4, CTR2, XMMWORD PTR[Ltwo]
vpaddd CTR5, CTR4, XMMWORD PTR[Lone]
vpaddd CTR6, CTR4, XMMWORD PTR[Ltwo]
vpshufb CTR0, CTR0, XMMWORD PTR[Lbswap_mask]
vpshufb CTR1, CTR1, XMMWORD PTR[Lbswap_mask]
vpshufb CTR2, CTR2, XMMWORD PTR[Lbswap_mask]
vpshufb CTR3, CTR3, XMMWORD PTR[Lbswap_mask]
vpshufb CTR4, CTR4, XMMWORD PTR[Lbswap_mask]
vpshufb CTR5, CTR5, XMMWORD PTR[Lbswap_mask]
vpshufb CTR6, CTR6, XMMWORD PTR[Lbswap_mask]
vmovdqu xmm7, XMMWORD PTR[0*16 + KS]
vpxor CTR0, CTR0, xmm7
vpxor CTR1, CTR1, xmm7
vpxor CTR2, CTR2, xmm7
vpxor CTR3, CTR3, xmm7
vpxor CTR4, CTR4, xmm7
vpxor CTR5, CTR5, xmm7
vpxor CTR6, CTR6, xmm7
ROUND 1
add aluCTR, 7
mov aluTMP, aluCTR
bswap aluTMP
xor aluTMP, [KS + 3*4]
mov [8*16 + 0*16 + 3*4 + esp], aluTMP
ROUND 2
NEXTCTR 1
ROUND 3
NEXTCTR 2
ROUND 4
NEXTCTR 3
ROUND 5
NEXTCTR 4
ROUND 6
NEXTCTR 5
ROUND 7
NEXTCTR 6
ROUND 8
ROUND 9
vmovdqu xmm7, XMMWORD PTR[10*16 + KS]
cmp NR, 10
je @f
ROUND 10
ROUND 11
vmovdqu xmm7, XMMWORD PTR[12*16 + KS]
cmp NR, 12
je @f
ROUND 12
ROUND 13
vmovdqu xmm7, XMMWORD PTR[14*16 + KS]
@@:
vaesenclast CTR0, CTR0, xmm7
vaesenclast CTR1, CTR1, xmm7
vaesenclast CTR2, CTR2, xmm7
vaesenclast CTR3, CTR3, xmm7
vaesenclast CTR4, CTR4, xmm7
vaesenclast CTR5, CTR5, xmm7
vaesenclast CTR6, CTR6, xmm7
vpxor CTR0, CTR0, XMMWORD PTR[0*16 + PT]
vpxor CTR1, CTR1, XMMWORD PTR[1*16 + PT]
vpxor CTR2, CTR2, XMMWORD PTR[2*16 + PT]
vpxor CTR3, CTR3, XMMWORD PTR[3*16 + PT]
vpxor CTR4, CTR4, XMMWORD PTR[4*16 + PT]
vpxor CTR5, CTR5, XMMWORD PTR[5*16 + PT]
vpxor CTR6, CTR6, XMMWORD PTR[6*16 + PT]
vmovdqu XMMWORD PTR[0*16 + CT], CTR0
vmovdqu XMMWORD PTR[1*16 + CT], CTR1
vmovdqu XMMWORD PTR[2*16 + CT], CTR2
vmovdqu XMMWORD PTR[3*16 + CT], CTR3
vmovdqu XMMWORD PTR[4*16 + CT], CTR4
vmovdqu XMMWORD PTR[5*16 + CT], CTR5
vmovdqu XMMWORD PTR[6*16 + CT], CTR6
vpshufb CTR0, CTR0, XMMWORD PTR[Lbswap_mask]
vpshufb CTR1, CTR1, XMMWORD PTR[Lbswap_mask]
vpshufb CTR2, CTR2, XMMWORD PTR[Lbswap_mask]
vpshufb CTR3, CTR3, XMMWORD PTR[Lbswap_mask]
vpshufb CTR4, CTR4, XMMWORD PTR[Lbswap_mask]
vpshufb CTR5, CTR5, XMMWORD PTR[Lbswap_mask]
vpshufb TMP5, CTR6, XMMWORD PTR[Lbswap_mask]
vmovdqa XMMWORD PTR[1*16 + esp], CTR5
vmovdqa XMMWORD PTR[2*16 + esp], CTR4
vmovdqa XMMWORD PTR[3*16 + esp], CTR3
vmovdqa XMMWORD PTR[4*16 + esp], CTR2
vmovdqa XMMWORD PTR[5*16 + esp], CTR1
vmovdqa XMMWORD PTR[6*16 + esp], CTR0
lea CT, [7*16 + CT]
lea PT, [7*16 + PT]
jmp LEncData7
LEncData7:
cmp len, 16*7
jb LEndEnc7
sub len, 16*7
vpshufd TMP4, TMP5, 78
vpxor TMP4, TMP4, TMP5
vpclmulqdq TMP0, TMP4, XMMWORD PTR[0*16 + 8*16 + Htbl], 000h
vmovdqu TMP4, XMMWORD PTR[0*16 + Htbl]
vpclmulqdq TMP1, TMP5, TMP4, 011h
vpclmulqdq TMP2, TMP5, TMP4, 000h
vmovdqu TMP5, XMMWORD PTR[1*16 + esp]
KARATSUBA 1
vmovdqu TMP5, XMMWORD PTR[2*16 + esp]
KARATSUBA 2
vmovdqu TMP5, XMMWORD PTR[3*16 + esp]
KARATSUBA 3
vmovdqu TMP5, XMMWORD PTR[4*16 + esp]
KARATSUBA 4
vmovdqu TMP5, XMMWORD PTR[5*16 + esp]
KARATSUBA 5
vmovdqu TMP5, XMMWORD PTR[6*16 + esp]
vpxor TMP5, TMP5, T
KARATSUBA 6
vpxor TMP0, TMP0, TMP1
vpxor TMP0, TMP0, TMP2
vpsrldq TMP3, TMP0, 8
vpxor TMP4, TMP1, TMP3
vpslldq TMP3, TMP0, 8
vpxor TMP5, TMP2, TMP3
vpclmulqdq TMP1, TMP5, XMMWORD PTR[Lpoly], 010h
vpalignr TMP5,TMP5,TMP5,8
vpxor TMP5, TMP5, TMP1
vpclmulqdq TMP1, TMP5, XMMWORD PTR[Lpoly], 010h
vpalignr TMP5,TMP5,TMP5,8
vpxor TMP5, TMP5, TMP1
vpxor TMP5, TMP5, TMP4
vmovdqu T, TMP5
vmovdqa CTR0, XMMWORD PTR[8*16 + 0*16 + esp]
vmovdqa CTR1, XMMWORD PTR[8*16 + 1*16 + esp]
vmovdqa CTR2, XMMWORD PTR[8*16 + 2*16 + esp]
vmovdqa CTR3, XMMWORD PTR[8*16 + 3*16 + esp]
vmovdqa CTR4, XMMWORD PTR[8*16 + 4*16 + esp]
vmovdqa CTR5, XMMWORD PTR[8*16 + 5*16 + esp]
vmovdqa CTR6, XMMWORD PTR[8*16 + 6*16 + esp]
ROUND 1
NEXTCTR 0
ROUND 2
NEXTCTR 1
ROUND 3
NEXTCTR 2
ROUND 4
NEXTCTR 3
ROUND 5
NEXTCTR 4
ROUND 6
NEXTCTR 5
ROUND 7
NEXTCTR 6
ROUND 8
ROUND 9
vmovdqu xmm7, XMMWORD PTR[10*16 + KS]
cmp NR, 10
je @f
ROUND 10
ROUND 11
vmovdqu xmm7, XMMWORD PTR[12*16 + KS]
cmp NR, 12
je @f
ROUND 12
ROUND 13
vmovdqu xmm7, XMMWORD PTR[14*16 + KS]
@@:
vaesenclast CTR0, CTR0, xmm7
vaesenclast CTR1, CTR1, xmm7
vaesenclast CTR2, CTR2, xmm7
vaesenclast CTR3, CTR3, xmm7
vaesenclast CTR4, CTR4, xmm7
vaesenclast CTR5, CTR5, xmm7
vaesenclast CTR6, CTR6, xmm7
vpxor CTR0, CTR0, XMMWORD PTR[0*16 + PT]
vpxor CTR1, CTR1, XMMWORD PTR[1*16 + PT]
vpxor CTR2, CTR2, XMMWORD PTR[2*16 + PT]
vpxor CTR3, CTR3, XMMWORD PTR[3*16 + PT]
vpxor CTR4, CTR4, XMMWORD PTR[4*16 + PT]
vpxor CTR5, CTR5, XMMWORD PTR[5*16 + PT]
vpxor CTR6, CTR6, XMMWORD PTR[6*16 + PT]
vmovdqu XMMWORD PTR[0*16 + CT], CTR0
vmovdqu XMMWORD PTR[1*16 + CT], CTR1
vmovdqu XMMWORD PTR[2*16 + CT], CTR2
vmovdqu XMMWORD PTR[3*16 + CT], CTR3
vmovdqu XMMWORD PTR[4*16 + CT], CTR4
vmovdqu XMMWORD PTR[5*16 + CT], CTR5
vmovdqu XMMWORD PTR[6*16 + CT], CTR6
vpshufb CTR0, CTR0, XMMWORD PTR[Lbswap_mask]
vpshufb CTR1, CTR1, XMMWORD PTR[Lbswap_mask]
vpshufb CTR2, CTR2, XMMWORD PTR[Lbswap_mask]
vpshufb CTR3, CTR3, XMMWORD PTR[Lbswap_mask]
vpshufb CTR4, CTR4, XMMWORD PTR[Lbswap_mask]
vpshufb CTR5, CTR5, XMMWORD PTR[Lbswap_mask]
vpshufb TMP5, CTR6, XMMWORD PTR[Lbswap_mask]
vmovdqa XMMWORD PTR[1*16 + esp], CTR5
vmovdqa XMMWORD PTR[2*16 + esp], CTR4
vmovdqa XMMWORD PTR[3*16 + esp], CTR3
vmovdqa XMMWORD PTR[4*16 + esp], CTR2
vmovdqa XMMWORD PTR[5*16 + esp], CTR1
vmovdqa XMMWORD PTR[6*16 + esp], CTR0
lea CT, [7*16 + CT]
lea PT, [7*16 + PT]
jmp LEncData7
LEndEnc7:
vpshufd TMP4, TMP5, 78
vpxor TMP4, TMP4, TMP5
vpclmulqdq TMP0, TMP4, XMMWORD PTR[0*16 + 8*16 + Htbl], 000h
vmovdqu TMP4, XMMWORD PTR[0*16 + Htbl]
vpclmulqdq TMP1, TMP5, TMP4, 011h
vpclmulqdq TMP2, TMP5, TMP4, 000h
vmovdqu TMP5, XMMWORD PTR[1*16 + esp]
KARATSUBA 1
vmovdqu TMP5, XMMWORD PTR[2*16 + esp]
KARATSUBA 2
vmovdqu TMP5, XMMWORD PTR[3*16 + esp]
KARATSUBA 3
vmovdqu TMP5, XMMWORD PTR[4*16 + esp]
KARATSUBA 4
vmovdqu TMP5, XMMWORD PTR[5*16 + esp]
KARATSUBA 5
vmovdqu TMP5, XMMWORD PTR[6*16 + esp]
vpxor TMP5, TMP5, T
KARATSUBA 6
vpxor TMP0, TMP0, TMP1
vpxor TMP0, TMP0, TMP2
vpsrldq TMP3, TMP0, 8
vpxor TMP4, TMP1, TMP3
vpslldq TMP3, TMP0, 8
vpxor TMP5, TMP2, TMP3
vpclmulqdq TMP1, TMP5, XMMWORD PTR[Lpoly], 010h
vpalignr TMP5,TMP5,TMP5,8
vpxor TMP5, TMP5, TMP1
vpclmulqdq TMP1, TMP5, XMMWORD PTR[Lpoly], 010h
vpalignr TMP5,TMP5,TMP5,8
vpxor TMP5, TMP5, TMP1
vpxor TMP5, TMP5, TMP4
vmovdqu T, TMP5
sub aluCTR, 6
LEncDataSingles:
cmp len, 16
jb LEncDataTail
sub len, 16
vmovdqa TMP1, XMMWORD PTR[8*16 + 0*16 + esp]
NEXTCTR 0
vaesenc TMP1, TMP1, XMMWORD PTR[1*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[2*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[3*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[4*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[5*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[6*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[7*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[8*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[9*16 + KS]
vmovdqu TMP2, XMMWORD PTR[10*16 + KS]
cmp NR, 10
je @f
vaesenc TMP1, TMP1, XMMWORD PTR[10*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[11*16 + KS]
vmovdqu TMP2, XMMWORD PTR[12*16 + KS]
cmp NR, 12
je @f
vaesenc TMP1, TMP1, XMMWORD PTR[12*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[13*16 + KS]
vmovdqu TMP2, XMMWORD PTR[14*16 + KS]
@@:
vaesenclast TMP1, TMP1, TMP2
vpxor TMP1, TMP1, XMMWORD PTR[PT]
vmovdqu XMMWORD PTR[CT], TMP1
lea PT, [16+PT]
lea CT, [16+CT]
vpshufb TMP1, TMP1, XMMWORD PTR[Lbswap_mask]
vpxor TMP1, TMP1, T
vmovdqu TMP0, XMMWORD PTR[Htbl]
GFMUL TMP1, TMP1, TMP0, TMP5, TMP2, TMP3, TMP4
vmovdqu T, TMP1
jmp LEncDataSingles
LEncDataTail:
cmp len, 0
je LEncDataEnd
vmovdqa TMP1, XMMWORD PTR[8*16 + 0*16 + esp]
vaesenc TMP1, TMP1, XMMWORD PTR[1*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[2*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[3*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[4*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[5*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[6*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[7*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[8*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[9*16 + KS]
vmovdqu TMP2, XMMWORD PTR[10*16 + KS]
cmp NR, 10
je @f
vaesenc TMP1, TMP1, XMMWORD PTR[10*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[11*16 + KS]
vmovdqu TMP2, XMMWORD PTR[12*16 + KS]
cmp NR, 12
je @f
vaesenc TMP1, TMP1, XMMWORD PTR[12*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[13*16 + KS]
vmovdqu TMP2, XMMWORD PTR[14*16 + KS]
@@:
vaesenclast TMP1, TMP1, TMP2
; zero a temp location
vpxor TMP2, TMP2, TMP2
vmovdqa XMMWORD PTR[esp], TMP2
; copy as many bytes as needed
xor KS, KS
mov aluTMP, edx
@@:
cmp len, KS
je @f
mov dl, BYTE PTR[PT + KS]
mov BYTE PTR[esp + KS], dl
inc KS
jmp @b
@@:
vpxor TMP1, TMP1, XMMWORD PTR[esp]
vmovdqa XMMWORD PTR[esp], TMP1
xor KS, KS
@@:
cmp len, KS
je @f
mov dl, BYTE PTR[esp + KS]
mov BYTE PTR[CT + KS], dl
inc KS
jmp @b
@@:
cmp KS, 16
je @f
mov BYTE PTR[esp + KS], 0
inc KS
jmp @b
@@:
mov edx, aluTMP
vmovdqa TMP1, XMMWORD PTR[esp]
vpshufb TMP1, TMP1, XMMWORD PTR[Lbswap_mask]
vpxor TMP1, TMP1, T
vmovdqu TMP0, XMMWORD PTR[Htbl]
GFMUL TMP1, TMP1, TMP0, TMP5, TMP2, TMP3, TMP4
vmovdqu T, TMP1
LEncDataEnd:
inc aluCTR
bswap aluCTR
mov [16*16 + 2*16 + 3*4 + Gctx], aluCTR
mov esp, ebp
pop edi
pop esi
pop ebx
pop ebp
vzeroupper
ret
intel_aes_gcmENC ENDP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;
; Decrypt and Authenticate
; void intel_aes_gcmDEC(uint8_t* PT, uint8_t* CT, void *Gctx, unsigned int len);
;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
NEXTCTR MACRO i
add aluCTR, 1
mov aluTMP, aluCTR
bswap aluTMP
xor aluTMP, [3*4 + KS]
mov [3*4 + i*16 + esp], aluTMP
ENDM
intel_aes_gcmDEC PROC
cmp DWORD PTR[1*4 + 3*4 + esp], 0
jne LbeginDEC
ret
LbeginDEC:
vzeroupper
push ebp
push ebx
push esi
push edi
mov ebp, esp
sub esp, 8*16
and esp, -16
mov CT, [ebp + 5*4 + 0*4]
mov PT, [ebp + 5*4 + 1*4]
mov Gctx, [ebp + 5*4 + 2*4]
mov KS, [16*16 + 3*16 + Gctx]
lea KS, [44 + KS]
mov aluCTR, [16*16 + 2*16 + 3*4 + Gctx]
bswap aluCTR
vmovdqu TMP0, XMMWORD PTR[0*16 + KS]
vpxor TMP0, TMP0, XMMWORD PTR[16*16 + 2*16 + Gctx]
vmovdqu XMMWORD PTR[0*16 + esp], TMP0
cmp len, 16*7
jb LDecDataSingles
vmovdqu XMMWORD PTR[1*16 + esp], TMP0
vmovdqu XMMWORD PTR[2*16 + esp], TMP0
vmovdqu XMMWORD PTR[3*16 + esp], TMP0
vmovdqu XMMWORD PTR[4*16 + esp], TMP0
vmovdqu XMMWORD PTR[5*16 + esp], TMP0
vmovdqu XMMWORD PTR[6*16 + esp], TMP0
dec aluCTR
LDecData7:
cmp len, 16*7
jb LDecData7End
sub len, 16*7
vmovdqu TMP5, XMMWORD PTR[0*16 + CT]
vpshufb TMP5, TMP5, XMMWORD PTR[Lbswap_mask]
vpxor TMP5, TMP5, T
vpshufd TMP4, TMP5, 78
vpxor TMP4, TMP4, TMP5
vpclmulqdq TMP0, TMP4, XMMWORD PTR[6*16 + 8*16 + Htbl], 000h
vmovdqu TMP4, XMMWORD PTR[6*16 + Htbl]
vpclmulqdq TMP1, TMP5, TMP4, 011h
vpclmulqdq TMP2, TMP5, TMP4, 000h
NEXTCTR 0
vmovdqu TMP5, XMMWORD PTR[1*16 + CT]
vpshufb TMP5, TMP5, XMMWORD PTR[Lbswap_mask]
KARATSUBA 5
NEXTCTR 1
vmovdqu TMP5, XMMWORD PTR[2*16 + CT]
vpshufb TMP5, TMP5, XMMWORD PTR[Lbswap_mask]
KARATSUBA 4
NEXTCTR 2
vmovdqu TMP5, XMMWORD PTR[3*16 + CT]
vpshufb TMP5, TMP5, XMMWORD PTR[Lbswap_mask]
KARATSUBA 3
NEXTCTR 3
vmovdqu TMP5, XMMWORD PTR[4*16 + CT]
vpshufb TMP5, TMP5, XMMWORD PTR[Lbswap_mask]
KARATSUBA 2
NEXTCTR 4
vmovdqu TMP5, XMMWORD PTR[5*16 + CT]
vpshufb TMP5, TMP5, XMMWORD PTR[Lbswap_mask]
KARATSUBA 1
NEXTCTR 5
vmovdqu TMP5, XMMWORD PTR[6*16 + CT]
vpshufb TMP5, TMP5, XMMWORD PTR[Lbswap_mask]
KARATSUBA 0
NEXTCTR 6
vpxor TMP0, TMP0, TMP1
vpxor TMP0, TMP0, TMP2
vpsrldq TMP3, TMP0, 8
vpxor TMP4, TMP1, TMP3
vpslldq TMP3, TMP0, 8
vpxor TMP5, TMP2, TMP3
vpclmulqdq TMP1, TMP5, XMMWORD PTR[Lpoly], 010h
vpalignr TMP5,TMP5,TMP5,8
vpxor TMP5, TMP5, TMP1
vpclmulqdq TMP1, TMP5, XMMWORD PTR[Lpoly], 010h
vpalignr TMP5,TMP5,TMP5,8
vpxor TMP5, TMP5, TMP1
vpxor TMP5, TMP5, TMP4
vmovdqu T, TMP5
vmovdqa CTR0, XMMWORD PTR[0*16 + esp]
vmovdqa CTR1, XMMWORD PTR[1*16 + esp]
vmovdqa CTR2, XMMWORD PTR[2*16 + esp]
vmovdqa CTR3, XMMWORD PTR[3*16 + esp]
vmovdqa CTR4, XMMWORD PTR[4*16 + esp]
vmovdqa CTR5, XMMWORD PTR[5*16 + esp]
vmovdqa CTR6, XMMWORD PTR[6*16 + esp]
ROUND 1
ROUND 2
ROUND 3
ROUND 4
ROUND 5
ROUND 6
ROUND 7
ROUND 8
ROUND 9
vmovdqu xmm7, XMMWORD PTR[10*16 + KS]
cmp NR, 10
je @f
ROUND 10
ROUND 11
vmovdqu xmm7, XMMWORD PTR[12*16 + KS]
cmp NR, 12
je @f
ROUND 12
ROUND 13
vmovdqu xmm7, XMMWORD PTR[14*16 + KS]
@@:
vaesenclast CTR0, CTR0, xmm7
vaesenclast CTR1, CTR1, xmm7
vaesenclast CTR2, CTR2, xmm7
vaesenclast CTR3, CTR3, xmm7
vaesenclast CTR4, CTR4, xmm7
vaesenclast CTR5, CTR5, xmm7
vaesenclast CTR6, CTR6, xmm7
vpxor CTR0, CTR0, XMMWORD PTR[0*16 + CT]
vpxor CTR1, CTR1, XMMWORD PTR[1*16 + CT]
vpxor CTR2, CTR2, XMMWORD PTR[2*16 + CT]
vpxor CTR3, CTR3, XMMWORD PTR[3*16 + CT]
vpxor CTR4, CTR4, XMMWORD PTR[4*16 + CT]
vpxor CTR5, CTR5, XMMWORD PTR[5*16 + CT]
vpxor CTR6, CTR6, XMMWORD PTR[6*16 + CT]
vmovdqu XMMWORD PTR[0*16 + PT], CTR0
vmovdqu XMMWORD PTR[1*16 + PT], CTR1
vmovdqu XMMWORD PTR[2*16 + PT], CTR2
vmovdqu XMMWORD PTR[3*16 + PT], CTR3
vmovdqu XMMWORD PTR[4*16 + PT], CTR4
vmovdqu XMMWORD PTR[5*16 + PT], CTR5
vmovdqu XMMWORD PTR[6*16 + PT], CTR6
lea CT, [7*16 + CT]
lea PT, [7*16 + PT]
jmp LDecData7
LDecData7End:
NEXTCTR 0
LDecDataSingles:
cmp len, 16
jb LDecDataTail
sub len, 16
vmovdqu TMP1, XMMWORD PTR[CT]
vpshufb TMP1, TMP1, XMMWORD PTR[Lbswap_mask]
vpxor TMP1, TMP1, T
vmovdqu TMP0, XMMWORD PTR[Htbl]
GFMUL TMP1, TMP1, TMP0, TMP5, TMP2, TMP3, TMP4
vmovdqu T, TMP1
vmovdqa TMP1, XMMWORD PTR[0*16 + esp]
NEXTCTR 0
vaesenc TMP1, TMP1, XMMWORD PTR[1*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[2*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[3*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[4*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[5*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[6*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[7*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[8*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[9*16 + KS]
vmovdqu TMP2, XMMWORD PTR[10*16 + KS]
cmp NR, 10
je @f
vaesenc TMP1, TMP1, XMMWORD PTR[10*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[11*16 + KS]
vmovdqu TMP2, XMMWORD PTR[12*16 + KS]
cmp NR, 12
je @f
vaesenc TMP1, TMP1, XMMWORD PTR[12*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[13*16 + KS]
vmovdqu TMP2, XMMWORD PTR[14*16 + KS]
@@:
vaesenclast TMP1, TMP1, TMP2
vpxor TMP1, TMP1, XMMWORD PTR[CT]
vmovdqu XMMWORD PTR[PT], TMP1
lea PT, [16+PT]
lea CT, [16+CT]
jmp LDecDataSingles
LDecDataTail:
cmp len, 0
je LDecDataEnd
vmovdqa TMP1, XMMWORD PTR[0*16 + esp]
inc aluCTR
vaesenc TMP1, TMP1, XMMWORD PTR[1*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[2*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[3*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[4*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[5*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[6*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[7*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[8*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[9*16 + KS]
vmovdqu TMP2, XMMWORD PTR[10*16 + KS]
cmp NR, 10
je @f
vaesenc TMP1, TMP1, XMMWORD PTR[10*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[11*16 + KS]
vmovdqu TMP2, XMMWORD PTR[12*16 + KS]
cmp NR, 12
je @f
vaesenc TMP1, TMP1, XMMWORD PTR[12*16 + KS]
vaesenc TMP1, TMP1, XMMWORD PTR[13*16 + KS]
vmovdqu TMP2, XMMWORD PTR[14*16 + KS]
@@:
vaesenclast xmm7, TMP1, TMP2
; copy as many bytes as needed
xor KS, KS
mov aluTMP, edx
@@:
cmp len, KS
je @f
mov dl, BYTE PTR[CT + KS]
mov BYTE PTR[esp + KS], dl
inc KS
jmp @b
@@:
cmp KS, 16
je @f
mov BYTE PTR[esp + KS], 0
inc KS
jmp @b
@@:
mov edx, aluTMP
vmovdqa TMP1, XMMWORD PTR[esp]
vpshufb TMP1, TMP1, XMMWORD PTR[Lbswap_mask]
vpxor TMP1, TMP1, T
vmovdqu TMP0, XMMWORD PTR[Htbl]
GFMUL TMP1, TMP1, TMP0, TMP5, TMP2, TMP3, TMP4
vmovdqu T, TMP1
vpxor xmm7, xmm7, XMMWORD PTR[esp]
vmovdqa XMMWORD PTR[esp], xmm7
xor KS, KS
mov aluTMP, edx
@@:
cmp len, KS
je @f
mov dl, BYTE PTR[esp + KS]
mov BYTE PTR[PT + KS], dl
inc KS
jmp @b
@@:
mov edx, aluTMP
LDecDataEnd:
bswap aluCTR
mov [16*16 + 2*16 + 3*4 + Gctx], aluCTR
mov esp, ebp
pop edi
pop esi
pop ebx
pop ebp
vzeroupper
ret
intel_aes_gcmDEC ENDP
END
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