;;
;; Copyright (c) 2012-2020, Intel Corporation
;;
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;; modification, are permitted provided that the following conditions are met:
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; Routine to do AES key expansion
%include "include/os.asm"
%define NO_AESNI_RENAME
%include "include/aesni_emu.inc"
%include "include/clear_regs.asm"

; Uses the f() function of the aeskeygenassist result
%macro key_expansion_256_sse 0
	;; Assumes the xmm3 includes all zeros at this point.
        pshufd	xmm2, xmm2, 11111111b
        shufps	xmm3, xmm1, 00010000b
        pxor	xmm1, xmm3
        shufps	xmm3, xmm1, 10001100b
        pxor	xmm1, xmm3
	pxor	xmm1, xmm2
%endmacro

; Uses the SubWord function of the aeskeygenassist result
%macro key_expansion_256_sse_2 0
	;; Assumes the xmm3 includes all zeros at this point.
        pshufd	xmm2, xmm2, 10101010b
        shufps	xmm3, xmm4, 00010000b
        pxor	xmm4, xmm3
        shufps	xmm3, xmm4, 10001100b
        pxor	xmm4, xmm3
	pxor	xmm4, xmm2
%endmacro

; Uses the f() function of the aeskeygenassist result
%macro key_expansion_256_avx 0
	;; Assumes the xmm3 includes all zeros at this point.
        vpshufd	xmm2, xmm2, 11111111b
        vshufps	xmm3, xmm3, xmm1, 00010000b
        vpxor	xmm1, xmm1, xmm3
        vshufps	xmm3, xmm3, xmm1, 10001100b
        vpxor	xmm1, xmm1, xmm3
	vpxor	xmm1, xmm1, xmm2
%endmacro

; Uses the SubWord function of the aeskeygenassist result
%macro key_expansion_256_avx_2 0
	;; Assumes the xmm3 includes all zeros at this point.
        vpshufd	xmm2, xmm2, 10101010b
        vshufps	xmm3, xmm3, xmm4, 00010000b
        vpxor	xmm4, xmm4, xmm3
        vshufps	xmm3, xmm3, xmm4, 10001100b
        vpxor	xmm4, xmm4, xmm3
	vpxor	xmm4, xmm4, xmm2
%endmacro

%ifdef LINUX
%define KEY		rdi
%define EXP_ENC_KEYS	rsi
%define EXP_DEC_KEYS	rdx
%else
%define KEY		rcx
%define EXP_ENC_KEYS	rdx
%define EXP_DEC_KEYS	r8
%endif

section .text

; void aes_keyexp_256(UINT128 *key,
;                     UINT128 *enc_exp_keys,
;                     UINT128 *dec_exp_keys);
;
; arg 1: rcx: pointer to key
; arg 2: rdx: pointer to expanded key array for encrypt
; arg 3: r8:  pointer to expanded key array for decrypt
;
MKGLOBAL(aes_keyexp_256_sse,function,)
aes_keyexp_256_sse:

%ifdef SAFE_PARAM
        cmp     KEY, 0
        jz      aes_keyexp_256_sse_return
        cmp     EXP_ENC_KEYS, 0
        jz      aes_keyexp_256_sse_return
        cmp     EXP_DEC_KEYS, 0
        jz      aes_keyexp_256_sse_return
%endif

        movdqu	xmm1, [KEY]			; loading the AES key
	movdqa	[EXP_ENC_KEYS + 16*0], xmm1
        movdqa	[EXP_DEC_KEYS + 16*14], xmm1	; Storing key in memory

        movdqu	xmm4, [KEY+16]			; loading the AES key
	movdqa	[EXP_ENC_KEYS + 16*1], xmm4
        aesimc	xmm0, xmm4
        movdqa	[EXP_DEC_KEYS + 16*13], xmm0	; Storing key in memory

        pxor xmm3, xmm3				; Required for the key_expansion.

        aeskeygenassist xmm2, xmm4, 0x1		; Generating round key 2
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*2], xmm1
	aesimc	xmm5, xmm1
	movdqa	[EXP_DEC_KEYS + 16*12], xmm5

        aeskeygenassist xmm2, xmm1, 0x1		; Generating round key 3
        key_expansion_256_sse_2
	movdqa	[EXP_ENC_KEYS + 16*3], xmm4
        aesimc	xmm0, xmm4
	movdqa	[EXP_DEC_KEYS + 16*11], xmm0

        aeskeygenassist xmm2, xmm4, 0x2		; Generating round key 4
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*4], xmm1
        aesimc	xmm5, xmm1
	movdqa	[EXP_DEC_KEYS + 16*10], xmm5

        aeskeygenassist xmm2, xmm1, 0x2		; Generating round key 5
        key_expansion_256_sse_2
	movdqa	[EXP_ENC_KEYS + 16*5], xmm4
        aesimc	xmm0, xmm4
	movdqa	[EXP_DEC_KEYS + 16*9], xmm0

        aeskeygenassist xmm2, xmm4, 0x4		; Generating round key 6
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*6], xmm1
        aesimc	xmm5, xmm1
	movdqa	[EXP_DEC_KEYS + 16*8], xmm5

        aeskeygenassist xmm2, xmm1, 0x4		; Generating round key 7
        key_expansion_256_sse_2
	movdqa	[EXP_ENC_KEYS + 16*7], xmm4
        aesimc xmm0, xmm4
	movdqa	[EXP_DEC_KEYS + 16*7], xmm0

        aeskeygenassist xmm2, xmm4, 0x8		; Generating round key 8
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*8], xmm1
        aesimc	xmm5, xmm1
	movdqa	[EXP_DEC_KEYS + 16*6], xmm5

        aeskeygenassist xmm2, xmm1, 0x8		; Generating round key 9
        key_expansion_256_sse_2
	movdqa	[EXP_ENC_KEYS + 16*9], xmm4
        aesimc	xmm0, xmm4
	movdqa	[EXP_DEC_KEYS + 16*5], xmm0

        aeskeygenassist xmm2, xmm4, 0x10	; Generating round key 10
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*10], xmm1
        aesimc	xmm5, xmm1
	movdqa	[EXP_DEC_KEYS + 16*4], xmm5

        aeskeygenassist xmm2, xmm1, 0x10	; Generating round key 11
        key_expansion_256_sse_2
	movdqa	[EXP_ENC_KEYS + 16*11], xmm4
        aesimc	xmm0, xmm4
	movdqa	[EXP_DEC_KEYS + 16*3], xmm0

        aeskeygenassist xmm2, xmm4, 0x20	; Generating round key 12
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*12], xmm1
        aesimc	xmm5, xmm1
	movdqa	[EXP_DEC_KEYS + 16*2], xmm5

        aeskeygenassist xmm2, xmm1, 0x20	; Generating round key 13
        key_expansion_256_sse_2
	movdqa	[EXP_ENC_KEYS + 16*13], xmm4
        aesimc	xmm0, xmm4
	movdqa	[EXP_DEC_KEYS + 16*1], xmm0

        aeskeygenassist xmm2, xmm4, 0x40	; Generating round key 14
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*14], xmm1
	movdqa	[EXP_DEC_KEYS + 16*0], xmm1

%ifdef SAFE_DATA
        clear_scratch_gps_asm
        clear_scratch_xmms_sse_asm
%endif

aes_keyexp_256_sse_return:
        ret

MKGLOBAL(aes_keyexp_256_sse_no_aesni,function,)
aes_keyexp_256_sse_no_aesni:

%ifdef SAFE_PARAM
        cmp     KEY, 0
        jz      aes_keyexp_256_sse_no_aesni_return
        cmp     EXP_ENC_KEYS, 0
        jz      aes_keyexp_256_sse_no_aesni_return
        cmp     EXP_DEC_KEYS, 0
        jz      aes_keyexp_256_sse_no_aesni_return
%endif

        movdqu	xmm1, [KEY]			; loading the AES key
	movdqa	[EXP_ENC_KEYS + 16*0], xmm1
        movdqa	[EXP_DEC_KEYS + 16*14], xmm1	; Storing key in memory

        movdqu	xmm4, [KEY+16]			; loading the AES key
	movdqa	[EXP_ENC_KEYS + 16*1], xmm4
        EMULATE_AESIMC	xmm0, xmm4
        movdqa	[EXP_DEC_KEYS + 16*13], xmm0	; Storing key in memory

        pxor xmm3, xmm3				; Required for the key_expansion.

        EMULATE_AESKEYGENASSIST xmm2, xmm4, 0x1		; Generating round key 2
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*2], xmm1
	EMULATE_AESIMC	xmm5, xmm1
	movdqa	[EXP_DEC_KEYS + 16*12], xmm5

        EMULATE_AESKEYGENASSIST xmm2, xmm1, 0x1		; Generating round key 3
        key_expansion_256_sse_2
	movdqa	[EXP_ENC_KEYS + 16*3], xmm4
        EMULATE_AESIMC	xmm0, xmm4
	movdqa	[EXP_DEC_KEYS + 16*11], xmm0

        EMULATE_AESKEYGENASSIST xmm2, xmm4, 0x2		; Generating round key 4
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*4], xmm1
        EMULATE_AESIMC	xmm5, xmm1
	movdqa	[EXP_DEC_KEYS + 16*10], xmm5

        EMULATE_AESKEYGENASSIST xmm2, xmm1, 0x2		; Generating round key 5
        key_expansion_256_sse_2
	movdqa	[EXP_ENC_KEYS + 16*5], xmm4
        EMULATE_AESIMC	xmm0, xmm4
	movdqa	[EXP_DEC_KEYS + 16*9], xmm0

        EMULATE_AESKEYGENASSIST xmm2, xmm4, 0x4		; Generating round key 6
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*6], xmm1
        EMULATE_AESIMC	xmm5, xmm1
	movdqa	[EXP_DEC_KEYS + 16*8], xmm5

        EMULATE_AESKEYGENASSIST xmm2, xmm1, 0x4		; Generating round key 7
        key_expansion_256_sse_2
	movdqa	[EXP_ENC_KEYS + 16*7], xmm4
        EMULATE_AESIMC xmm0, xmm4
	movdqa	[EXP_DEC_KEYS + 16*7], xmm0

        EMULATE_AESKEYGENASSIST xmm2, xmm4, 0x8		; Generating round key 8
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*8], xmm1
        EMULATE_AESIMC	xmm5, xmm1
	movdqa	[EXP_DEC_KEYS + 16*6], xmm5

        EMULATE_AESKEYGENASSIST xmm2, xmm1, 0x8		; Generating round key 9
        key_expansion_256_sse_2
	movdqa	[EXP_ENC_KEYS + 16*9], xmm4
        EMULATE_AESIMC	xmm0, xmm4
	movdqa	[EXP_DEC_KEYS + 16*5], xmm0

        EMULATE_AESKEYGENASSIST xmm2, xmm4, 0x10	; Generating round key 10
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*10], xmm1
        EMULATE_AESIMC	xmm5, xmm1
	movdqa	[EXP_DEC_KEYS + 16*4], xmm5

        EMULATE_AESKEYGENASSIST xmm2, xmm1, 0x10	; Generating round key 11
        key_expansion_256_sse_2
	movdqa	[EXP_ENC_KEYS + 16*11], xmm4
        EMULATE_AESIMC	xmm0, xmm4
	movdqa	[EXP_DEC_KEYS + 16*3], xmm0

        EMULATE_AESKEYGENASSIST xmm2, xmm4, 0x20	; Generating round key 12
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*12], xmm1
        EMULATE_AESIMC	xmm5, xmm1
	movdqa	[EXP_DEC_KEYS + 16*2], xmm5

        EMULATE_AESKEYGENASSIST xmm2, xmm1, 0x20	; Generating round key 13
        key_expansion_256_sse_2
	movdqa	[EXP_ENC_KEYS + 16*13], xmm4
        EMULATE_AESIMC	xmm0, xmm4
	movdqa	[EXP_DEC_KEYS + 16*1], xmm0

        EMULATE_AESKEYGENASSIST xmm2, xmm4, 0x40	; Generating round key 14
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*14], xmm1
	movdqa	[EXP_DEC_KEYS + 16*0], xmm1

%ifdef SAFE_DATA
        clear_scratch_gps_asm
        clear_scratch_xmms_sse_asm
%endif

aes_keyexp_256_sse_no_aesni_return:
	ret

MKGLOBAL(aes_keyexp_256_avx,function,)
MKGLOBAL(aes_keyexp_256_avx2,function,)
MKGLOBAL(aes_keyexp_256_avx512,function,)
aes_keyexp_256_avx:
aes_keyexp_256_avx2:
aes_keyexp_256_avx512:

%ifdef SAFE_PARAM
        cmp     KEY, 0
        jz      aes_keyexp_256_avx_return
        cmp     EXP_ENC_KEYS, 0
        jz      aes_keyexp_256_avx_return
        cmp     EXP_DEC_KEYS, 0
        jz      aes_keyexp_256_avx_return
%endif

        vmovdqu	xmm1, [KEY]			; loading the AES key
	vmovdqa	[EXP_ENC_KEYS + 16*0], xmm1
        vmovdqa	[EXP_DEC_KEYS + 16*14], xmm1	; Storing key in memory

        vmovdqu	xmm4, [KEY+16]			; loading the AES key
	vmovdqa	[EXP_ENC_KEYS + 16*1], xmm4
        vaesimc	xmm0, xmm4
        vmovdqa	[EXP_DEC_KEYS + 16*13], xmm0	; Storing key in memory

        vpxor xmm3, xmm3, xmm3			; Required for the key_expansion.

        vaeskeygenassist xmm2, xmm4, 0x1		; Generating round key 2
        key_expansion_256_avx
	vmovdqa	[EXP_ENC_KEYS + 16*2], xmm1
	vaesimc	xmm5, xmm1
	vmovdqa	[EXP_DEC_KEYS + 16*12], xmm5

        vaeskeygenassist xmm2, xmm1, 0x1		; Generating round key 3
        key_expansion_256_avx_2
	vmovdqa	[EXP_ENC_KEYS + 16*3], xmm4
        vaesimc	xmm0, xmm4
	vmovdqa	[EXP_DEC_KEYS + 16*11], xmm0

        vaeskeygenassist xmm2, xmm4, 0x2		; Generating round key 4
        key_expansion_256_avx
	vmovdqa	[EXP_ENC_KEYS + 16*4], xmm1
        vaesimc	xmm5, xmm1
	vmovdqa	[EXP_DEC_KEYS + 16*10], xmm5

        vaeskeygenassist xmm2, xmm1, 0x2		; Generating round key 5
        key_expansion_256_avx_2
	vmovdqa	[EXP_ENC_KEYS + 16*5], xmm4
        vaesimc	xmm0, xmm4
	vmovdqa	[EXP_DEC_KEYS + 16*9], xmm0

        vaeskeygenassist xmm2, xmm4, 0x4		; Generating round key 6
        key_expansion_256_avx
	vmovdqa	[EXP_ENC_KEYS + 16*6], xmm1
        vaesimc	xmm5, xmm1
	vmovdqa	[EXP_DEC_KEYS + 16*8], xmm5

        vaeskeygenassist xmm2, xmm1, 0x4		; Generating round key 7
        key_expansion_256_avx_2
	vmovdqa	[EXP_ENC_KEYS + 16*7], xmm4
        vaesimc xmm0, xmm4
	vmovdqa	[EXP_DEC_KEYS + 16*7], xmm0

        vaeskeygenassist xmm2, xmm4, 0x8		; Generating round key 8
        key_expansion_256_avx
	vmovdqa	[EXP_ENC_KEYS + 16*8], xmm1
        vaesimc	xmm5, xmm1
	vmovdqa	[EXP_DEC_KEYS + 16*6], xmm5

        vaeskeygenassist xmm2, xmm1, 0x8		; Generating round key 9
        key_expansion_256_avx_2
	vmovdqa	[EXP_ENC_KEYS + 16*9], xmm4
        vaesimc	xmm0, xmm4
	vmovdqa	[EXP_DEC_KEYS + 16*5], xmm0

        vaeskeygenassist xmm2, xmm4, 0x10	; Generating round key 10
        key_expansion_256_avx
	vmovdqa	[EXP_ENC_KEYS + 16*10], xmm1
        vaesimc	xmm5, xmm1
	vmovdqa	[EXP_DEC_KEYS + 16*4], xmm5

        vaeskeygenassist xmm2, xmm1, 0x10	; Generating round key 11
        key_expansion_256_avx_2
	vmovdqa	[EXP_ENC_KEYS + 16*11], xmm4
        vaesimc	xmm0, xmm4
	vmovdqa	[EXP_DEC_KEYS + 16*3], xmm0

        vaeskeygenassist xmm2, xmm4, 0x20	; Generating round key 12
        key_expansion_256_avx
	vmovdqa	[EXP_ENC_KEYS + 16*12], xmm1
        vaesimc	xmm5, xmm1
	vmovdqa	[EXP_DEC_KEYS + 16*2], xmm5

        vaeskeygenassist xmm2, xmm1, 0x20	; Generating round key 13
        key_expansion_256_avx_2
	vmovdqa	[EXP_ENC_KEYS + 16*13], xmm4
        vaesimc	xmm0, xmm4
	vmovdqa	[EXP_DEC_KEYS + 16*1], xmm0

        vaeskeygenassist xmm2, xmm4, 0x40	; Generating round key 14
        key_expansion_256_avx
	vmovdqa	[EXP_ENC_KEYS + 16*14], xmm1
	vmovdqa	[EXP_DEC_KEYS + 16*0], xmm1

%ifdef SAFE_DATA
        clear_scratch_gps_asm
        clear_scratch_xmms_avx_asm
%endif

aes_keyexp_256_avx_return:
	ret

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

; void aes_keyexp_256_enc_sse(UINT128 *key,
;     UINT128 *enc_exp_keys);
;
; arg 1: rcx: pointer to key
; arg 2: rdx: pointer to expanded key array for encrypt
;
MKGLOBAL(aes_keyexp_256_enc_sse,function,)
aes_keyexp_256_enc_sse:

%ifdef SAFE_PARAM
        cmp     KEY, 0
        jz      aes_keyexp_256_enc_sse_return
        cmp     EXP_ENC_KEYS, 0
        jz      aes_keyexp_256_enc_sse_return
%endif

        movdqu	xmm1, [KEY]			; loading the AES key
	movdqa	[EXP_ENC_KEYS + 16*0], xmm1

        movdqu	xmm4, [KEY+16]			; loading the AES key
	movdqa	[EXP_ENC_KEYS + 16*1], xmm4

        pxor xmm3, xmm3				; Required for the key_expansion.

        aeskeygenassist xmm2, xmm4, 0x1		; Generating round key 2
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*2], xmm1

        aeskeygenassist xmm2, xmm1, 0x1		; Generating round key 3
        key_expansion_256_sse_2
	movdqa	[EXP_ENC_KEYS + 16*3], xmm4

        aeskeygenassist xmm2, xmm4, 0x2		; Generating round key 4
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*4], xmm1

        aeskeygenassist xmm2, xmm1, 0x2		; Generating round key 5
        key_expansion_256_sse_2
	movdqa	[EXP_ENC_KEYS + 16*5], xmm4

        aeskeygenassist xmm2, xmm4, 0x4		; Generating round key 6
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*6], xmm1

        aeskeygenassist xmm2, xmm1, 0x4		; Generating round key 7
        key_expansion_256_sse_2
	movdqa	[EXP_ENC_KEYS + 16*7], xmm4

        aeskeygenassist xmm2, xmm4, 0x8		; Generating round key 8
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*8], xmm1

        aeskeygenassist xmm2, xmm1, 0x8		; Generating round key 9
        key_expansion_256_sse_2
	movdqa	[EXP_ENC_KEYS + 16*9], xmm4

        aeskeygenassist xmm2, xmm4, 0x10	; Generating round key 10
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*10], xmm1

        aeskeygenassist xmm2, xmm1, 0x10	; Generating round key 11
        key_expansion_256_sse_2
	movdqa	[EXP_ENC_KEYS + 16*11], xmm4

        aeskeygenassist xmm2, xmm4, 0x20	; Generating round key 12
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*12], xmm1

        aeskeygenassist xmm2, xmm1, 0x20	; Generating round key 13
        key_expansion_256_sse_2
	movdqa	[EXP_ENC_KEYS + 16*13], xmm4

        aeskeygenassist xmm2, xmm4, 0x40	; Generating round key 14
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*14], xmm1

%ifdef SAFE_DATA
        clear_scratch_gps_asm
        clear_scratch_xmms_sse_asm
%endif

aes_keyexp_256_enc_sse_return:
	ret

MKGLOBAL(aes_keyexp_256_enc_sse_no_aesni,function,)
aes_keyexp_256_enc_sse_no_aesni:

%ifdef SAFE_PARAM
        cmp     KEY, 0
        jz      aes_keyexp_256_enc_sse_no_aesni_return
        cmp     EXP_ENC_KEYS, 0
        jz      aes_keyexp_256_enc_sse_no_aesni_return
%endif

        movdqu	xmm1, [KEY]			; loading the AES key
	movdqa	[EXP_ENC_KEYS + 16*0], xmm1

        movdqu	xmm4, [KEY+16]			; loading the AES key
	movdqa	[EXP_ENC_KEYS + 16*1], xmm4

        pxor xmm3, xmm3				; Required for the key_expansion.

        EMULATE_AESKEYGENASSIST xmm2, xmm4, 0x1		; Generating round key 2
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*2], xmm1

        EMULATE_AESKEYGENASSIST xmm2, xmm1, 0x1		; Generating round key 3
        key_expansion_256_sse_2
	movdqa	[EXP_ENC_KEYS + 16*3], xmm4

        EMULATE_AESKEYGENASSIST xmm2, xmm4, 0x2		; Generating round key 4
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*4], xmm1

        EMULATE_AESKEYGENASSIST xmm2, xmm1, 0x2		; Generating round key 5
        key_expansion_256_sse_2
	movdqa	[EXP_ENC_KEYS + 16*5], xmm4

        EMULATE_AESKEYGENASSIST xmm2, xmm4, 0x4		; Generating round key 6
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*6], xmm1

        EMULATE_AESKEYGENASSIST xmm2, xmm1, 0x4		; Generating round key 7
        key_expansion_256_sse_2
	movdqa	[EXP_ENC_KEYS + 16*7], xmm4

        EMULATE_AESKEYGENASSIST xmm2, xmm4, 0x8		; Generating round key 8
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*8], xmm1

        EMULATE_AESKEYGENASSIST xmm2, xmm1, 0x8		; Generating round key 9
        key_expansion_256_sse_2
	movdqa	[EXP_ENC_KEYS + 16*9], xmm4

        EMULATE_AESKEYGENASSIST xmm2, xmm4, 0x10	; Generating round key 10
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*10], xmm1

        EMULATE_AESKEYGENASSIST xmm2, xmm1, 0x10	; Generating round key 11
        key_expansion_256_sse_2
	movdqa	[EXP_ENC_KEYS + 16*11], xmm4

        EMULATE_AESKEYGENASSIST xmm2, xmm4, 0x20	; Generating round key 12
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*12], xmm1

        EMULATE_AESKEYGENASSIST xmm2, xmm1, 0x20	; Generating round key 13
        key_expansion_256_sse_2
	movdqa	[EXP_ENC_KEYS + 16*13], xmm4

        EMULATE_AESKEYGENASSIST xmm2, xmm4, 0x40	; Generating round key 14
        key_expansion_256_sse
	movdqa	[EXP_ENC_KEYS + 16*14], xmm1

%ifdef SAFE_DATA
        clear_scratch_gps_asm
        clear_scratch_xmms_sse_asm
%endif

aes_keyexp_256_enc_sse_no_aesni_return:
	ret

MKGLOBAL(aes_keyexp_256_enc_avx,function,)
MKGLOBAL(aes_keyexp_256_enc_avx2,function,)
MKGLOBAL(aes_keyexp_256_enc_avx512,function,)
aes_keyexp_256_enc_avx:
aes_keyexp_256_enc_avx2:
aes_keyexp_256_enc_avx512:

%ifdef SAFE_PARAM
        cmp     KEY, 0
        jz      aes_keyexp_256_enc_avx_return
        cmp     EXP_ENC_KEYS, 0
        jz      aes_keyexp_256_enc_avx_return
%endif

        vmovdqu	xmm1, [KEY]			; loading the AES key
	vmovdqa	[EXP_ENC_KEYS + 16*0], xmm1

        vmovdqu	xmm4, [KEY+16]			; loading the AES key
	vmovdqa	[EXP_ENC_KEYS + 16*1], xmm4

        vpxor xmm3, xmm3, xmm3			; Required for the key_expansion.

        vaeskeygenassist xmm2, xmm4, 0x1		; Generating round key 2
        key_expansion_256_avx
	vmovdqa	[EXP_ENC_KEYS + 16*2], xmm1

        vaeskeygenassist xmm2, xmm1, 0x1		; Generating round key 3
        key_expansion_256_avx_2
	vmovdqa	[EXP_ENC_KEYS + 16*3], xmm4

        vaeskeygenassist xmm2, xmm4, 0x2		; Generating round key 4
        key_expansion_256_avx
	vmovdqa	[EXP_ENC_KEYS + 16*4], xmm1

        vaeskeygenassist xmm2, xmm1, 0x2		; Generating round key 5
        key_expansion_256_avx_2
	vmovdqa	[EXP_ENC_KEYS + 16*5], xmm4

        vaeskeygenassist xmm2, xmm4, 0x4		; Generating round key 6
        key_expansion_256_avx
	vmovdqa	[EXP_ENC_KEYS + 16*6], xmm1

        vaeskeygenassist xmm2, xmm1, 0x4		; Generating round key 7
        key_expansion_256_avx_2
	vmovdqa	[EXP_ENC_KEYS + 16*7], xmm4

        vaeskeygenassist xmm2, xmm4, 0x8		; Generating round key 8
        key_expansion_256_avx
	vmovdqa	[EXP_ENC_KEYS + 16*8], xmm1

        vaeskeygenassist xmm2, xmm1, 0x8		; Generating round key 9
        key_expansion_256_avx_2
	vmovdqa	[EXP_ENC_KEYS + 16*9], xmm4

        vaeskeygenassist xmm2, xmm4, 0x10	; Generating round key 10
        key_expansion_256_avx
	vmovdqa	[EXP_ENC_KEYS + 16*10], xmm1

        vaeskeygenassist xmm2, xmm1, 0x10	; Generating round key 11
        key_expansion_256_avx_2
	vmovdqa	[EXP_ENC_KEYS + 16*11], xmm4

        vaeskeygenassist xmm2, xmm4, 0x20	; Generating round key 12
        key_expansion_256_avx
	vmovdqa	[EXP_ENC_KEYS + 16*12], xmm1

        vaeskeygenassist xmm2, xmm1, 0x20	; Generating round key 13
        key_expansion_256_avx_2
	vmovdqa	[EXP_ENC_KEYS + 16*13], xmm4

        vaeskeygenassist xmm2, xmm4, 0x40	; Generating round key 14
        key_expansion_256_avx
	vmovdqa	[EXP_ENC_KEYS + 16*14], xmm1

%ifdef SAFE_DATA
        clear_scratch_gps_asm
        clear_scratch_xmms_avx_asm
%endif

aes_keyexp_256_enc_avx_return:
        ret

%ifdef LINUX
section .note.GNU-stack noalloc noexec nowrite progbits
%endif
