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|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; Copyright(c) 2021-2022 Intel Corporation All rights reserved.
;
; 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 "sse_t1/gcm_sse.inc"
%ifndef GCM_API_SSE_INC
%define GCM_API_SSE_INC
section .text
default rel
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;void aes_gcm_precomp_128_sse / aes_gcm_precomp_192_sse / aes_gcm_precomp_256_sse
; (struct gcm_key_data *key_data);
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
MKGLOBAL(FN_NAME(precomp,_),function,)
FN_NAME(precomp,_):
endbranch64
%ifdef SAFE_PARAM
;; Reset imb_errno
IMB_ERR_CHECK_RESET
;; Check key_data != NULL
cmp arg1, 0
jz error_precomp
%endif
push r12
push r13
push r14
push r15
mov r14, rsp
sub rsp, VARIABLE_OFFSET
and rsp, ~63 ; align rsp to 64 bytes
%ifidn __OUTPUT_FORMAT__, win64
; only xmm6 needs to be maintained
movdqu [rsp + LOCAL_STORAGE + 0*16],xmm6
%endif
pxor xmm6, xmm6
ENCRYPT_SINGLE_BLOCK arg1, xmm6, xmm2 ; xmm6 = HashKey
pshufb xmm6, [SHUF_MASK]
;;;;;;;;;;;;;;; PRECOMPUTATION of HashKey<<1 mod poly from the HashKey;;;;;;;;;;;;;;;
movdqa xmm2, xmm6
psllq xmm6, 1
psrlq xmm2, 63
movdqa xmm1, xmm2
pslldq xmm2, 8
psrldq xmm1, 8
por xmm6, xmm2
;reduction
pshufd xmm2, xmm1, 00100100b
pcmpeqd xmm2, [TWOONE]
pand xmm2, [POLY]
pxor xmm6, xmm2 ; xmm6 holds the HashKey<<1 mod poly
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
movdqu [arg1 + HashKey], xmm6 ; store HashKey<<1 mod poly
PRECOMPUTE arg1, xmm6, xmm0, xmm1, xmm2, xmm3, xmm4, xmm5
%ifdef SAFE_DATA
clear_scratch_gps_asm
clear_scratch_xmms_sse_asm
%endif
%ifidn __OUTPUT_FORMAT__, win64
movdqu xmm6, [rsp + LOCAL_STORAGE + 0*16]
%endif
mov rsp, r14
pop r15
pop r14
pop r13
pop r12
exit_precomp:
ret
%ifdef SAFE_PARAM
error_precomp:
;; Clear reg and imb_errno
IMB_ERR_CHECK_START rax
;; Check key_data != NULL
IMB_ERR_CHECK_NULL arg1, rax, IMB_ERR_NULL_EXP_KEY
;; Set imb_errno
IMB_ERR_CHECK_END rax
jmp exit_precomp
%endif
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;void aes_gcm_enc_128_sse / aes_gcm_enc_192_sse / aes_gcm_enc_256_sse
; (const struct gcm_key_data *key_data,
; struct gcm_context_data *context_data,
; u8 *out,
; const u8 *in,
; u64 msg_len,
; u8 *iv,
; const u8 *aad,
; u64 aad_len,
; u8 *auth_tag,
; u64 auth_tag_len);
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
MKGLOBAL(FN_NAME(enc,_),function,)
FN_NAME(enc,_):
endbranch64
FUNC_SAVE
%ifdef SAFE_PARAM
;; Reset imb_errno
IMB_ERR_CHECK_RESET
;; Load max len to reg on windows
INIT_GCM_MAX_LENGTH
;; Check key_data != NULL
cmp arg1, 0
jz error_enc
;; Check context_data != NULL
cmp arg2, 0
jz error_enc
;; Check IV != NULL
cmp arg6, 0
jz error_enc
;; Check auth_tag != NULL
cmp arg9, 0
jz error_enc
;; Check auth_tag_len == 0 or > 16
cmp arg10, 0
jz error_enc
cmp arg10, 16
ja error_enc
;; Check if msg_len == 0
cmp arg5, 0
jz skip_in_out_check_enc
;; Check if msg_len > max_len
cmp arg5, GCM_MAX_LENGTH
ja error_enc
;; Check out != NULL (msg_len != 0)
cmp arg3, 0
jz error_enc
;; Check in != NULL (msg_len != 0)
cmp arg4, 0
jz error_enc
skip_in_out_check_enc:
;; Check if aad_len == 0
cmp arg8, 0
jz skip_aad_check_enc
;; Check aad != NULL (aad_len != 0)
cmp arg7, 0
jz error_enc
skip_aad_check_enc:
%endif
GCM_INIT arg1, arg2, arg6, arg7, arg8
GCM_ENC_DEC arg1, arg2, arg3, arg4, arg5, ENC
GCM_COMPLETE arg1, arg2, arg9, arg10
exit_enc:
FUNC_RESTORE
ret
%ifdef SAFE_PARAM
error_enc:
;; Clear reg and imb_errno
IMB_ERR_CHECK_START rax
;; Check key_data != NULL
IMB_ERR_CHECK_NULL arg1, rax, IMB_ERR_NULL_EXP_KEY
;; Check context_data != NULL
IMB_ERR_CHECK_NULL arg2, rax, IMB_ERR_NULL_CTX
;; Check IV != NULL
IMB_ERR_CHECK_NULL arg6, rax, IMB_ERR_NULL_IV
;; Check auth_tag != NULL
IMB_ERR_CHECK_NULL arg9, rax, IMB_ERR_NULL_AUTH
;; Check auth_tag_len == 0 or > 16
IMB_ERR_CHECK_ZERO arg10, rax, IMB_ERR_AUTH_TAG_LEN
IMB_ERR_CHECK_ABOVE arg10, 16, rax, IMB_ERR_AUTH_TAG_LEN
;; Check if msg_len == 0
cmp arg5, 0
jz skip_in_out_check_error_enc
;; Check if msg_len > max_len
IMB_ERR_CHECK_ABOVE arg5, GCM_MAX_LENGTH, rax, IMB_ERR_CIPH_LEN
;; Check out != NULL (msg_len != 0)
IMB_ERR_CHECK_NULL arg3, rax, IMB_ERR_NULL_DST
;; Check in != NULL (msg_len != 0)
IMB_ERR_CHECK_NULL arg4, rax, IMB_ERR_NULL_SRC
skip_in_out_check_error_enc:
;; Check if aad_len == 0
cmp arg8, 0
jz skip_aad_check_error_enc
;; Check aad != NULL (aad_len != 0)
IMB_ERR_CHECK_NULL arg7, rax, IMB_ERR_NULL_AAD
skip_aad_check_error_enc:
;; Set imb_errno
IMB_ERR_CHECK_END rax
jmp exit_enc
%endif
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;void aes_gcm_dec_128_sse / aes_gcm_dec_192_sse / aes_gcm_dec_256_sse
; (const struct gcm_key_data *key_data,
; struct gcm_context_data *context_data,
; u8 *out,
; const u8 *in,
; u64 msg_len,
; u8 *iv,
; const u8 *aad,
; u64 aad_len,
; u8 *auth_tag,
; u64 auth_tag_len);
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
MKGLOBAL(FN_NAME(dec,_),function,)
FN_NAME(dec,_):
endbranch64
FUNC_SAVE
%ifdef SAFE_PARAM
;; Reset imb_errno
IMB_ERR_CHECK_RESET
;; Load max len to reg on windows
INIT_GCM_MAX_LENGTH
;; Check key_data != NULL
cmp arg1, 0
jz error_dec
;; Check context_data != NULL
cmp arg2, 0
jz error_dec
;; Check IV != NULL
cmp arg6, 0
jz error_dec
;; Check auth_tag != NULL
cmp arg9, 0
jz error_dec
;; Check auth_tag_len == 0 or > 16
cmp arg10, 0
jz error_dec
cmp arg10, 16
ja error_dec
;; Check if msg_len == 0
cmp arg5, 0
jz skip_in_out_check_dec
;; Check if msg_len > max_len
cmp arg5, GCM_MAX_LENGTH
ja error_dec
;; Check out != NULL (msg_len != 0)
cmp arg3, 0
jz error_dec
;; Check in != NULL (msg_len != 0)
cmp arg4, 0
jz error_dec
skip_in_out_check_dec:
;; Check if aad_len == 0
cmp arg8, 0
jz skip_aad_check_dec
;; Check aad != NULL (aad_len != 0)
cmp arg7, 0
jz error_dec
skip_aad_check_dec:
%endif
GCM_INIT arg1, arg2, arg6, arg7, arg8
GCM_ENC_DEC arg1, arg2, arg3, arg4, arg5, DEC
GCM_COMPLETE arg1, arg2, arg9, arg10
exit_dec:
FUNC_RESTORE
ret
%ifdef SAFE_PARAM
error_dec:
;; Clear reg and imb_errno
IMB_ERR_CHECK_START rax
;; Check key_data != NULL
IMB_ERR_CHECK_NULL arg1, rax, IMB_ERR_NULL_EXP_KEY
;; Check context_data != NULL
IMB_ERR_CHECK_NULL arg2, rax, IMB_ERR_NULL_CTX
;; Check IV != NULL
IMB_ERR_CHECK_NULL arg6, rax, IMB_ERR_NULL_IV
;; Check auth_tag != NULL
IMB_ERR_CHECK_NULL arg9, rax, IMB_ERR_NULL_AUTH
;; Check auth_tag_len == 0 or > 16
IMB_ERR_CHECK_ZERO arg10, rax, IMB_ERR_AUTH_TAG_LEN
IMB_ERR_CHECK_ABOVE arg10, 16, rax, IMB_ERR_AUTH_TAG_LEN
;; Check if msg_len == 0
cmp arg5, 0
jz skip_in_out_check_error_dec
;; Check if msg_len > max_len
IMB_ERR_CHECK_ABOVE arg5, GCM_MAX_LENGTH, rax, IMB_ERR_CIPH_LEN
;; Check out != NULL (msg_len != 0)
IMB_ERR_CHECK_NULL arg3, rax, IMB_ERR_NULL_DST
;; Check in != NULL (msg_len != 0)
IMB_ERR_CHECK_NULL arg4, rax, IMB_ERR_NULL_SRC
skip_in_out_check_error_dec:
;; Check if aad_len == 0
cmp arg8, 0
jz skip_aad_check_error_dec
;; Check aad != NULL (aad_len != 0)
IMB_ERR_CHECK_NULL arg7, rax, IMB_ERR_NULL_AAD
skip_aad_check_error_dec:
;; Set imb_errno
IMB_ERR_CHECK_END rax
jmp exit_dec
%endif
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;void aes_gcm_enc_var_iv_128_sse / aes_gcm_enc_var_iv_192_sse /
; aes_gcm_enc_var_iv_256_sse
; (const struct gcm_key_data *key_data,
; struct gcm_context_data *context_data,
; u8 *out,
; const u8 *in,
; u64 msg_len,
; u8 *iv,
; const u64 iv_len,
; const u8 *aad,
; const u64 aad_len,
; u8 *auth_tag,
; const u64 auth_tag_len);
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
MKGLOBAL(FN_NAME(enc_var_iv,_),function,)
FN_NAME(enc_var_iv,_):
FUNC_SAVE
%ifdef SAFE_PARAM
;; Reset imb_errno
IMB_ERR_CHECK_RESET
;; Load max len to reg on windows
INIT_GCM_MAX_LENGTH
;; Check key_data != NULL
cmp arg1, 0
jz error_enc_IV
;; Check context_data != NULL
cmp arg2, 0
jz error_enc_IV
;; Check IV != NULL
cmp arg6, 0
jz error_enc_IV
;; Check IV len != 0
cmp arg7, 0
jz error_enc_IV
;; Check auth_tag != NULL
cmp arg10, 0
jz error_enc_IV
;; Check auth_tag_len == 0 or > 16
cmp arg11, 0
jz error_enc_IV
cmp arg11, 16
ja error_enc_IV
;; Check if msg_len == 0
cmp arg5, 0
jz skip_in_out_check_enc_IV
;; Check if msg_len > max_len
cmp arg5, GCM_MAX_LENGTH
ja error_enc_IV
;; Check out != NULL (msg_len != 0)
cmp arg3, 0
jz error_enc_IV
;; Check in != NULL (msg_len != 0)
cmp arg4, 0
jz error_enc_IV
skip_in_out_check_enc_IV:
;; Check if aad_len == 0
cmp arg9, 0
jz skip_aad_check_enc_IV
;; Check aad != NULL (aad_len != 0)
cmp arg8, 0
jz error_enc_IV
skip_aad_check_enc_IV:
%endif
cmp arg7, 12
je iv_len_12_enc_IV
GCM_INIT arg1, arg2, arg6, arg8, arg9, arg7
jmp skip_iv_len_12_enc_IV
iv_len_12_enc_IV:
GCM_INIT arg1, arg2, arg6, arg8, arg9
skip_iv_len_12_enc_IV:
GCM_ENC_DEC arg1, arg2, arg3, arg4, arg5, ENC
GCM_COMPLETE arg1, arg2, arg10, arg11
exit_enc_IV:
FUNC_RESTORE
ret
%ifdef SAFE_PARAM
error_enc_IV:
;; Clear reg and imb_errno
IMB_ERR_CHECK_START rax
;; Check key_data != NULL
IMB_ERR_CHECK_NULL arg1, rax, IMB_ERR_NULL_EXP_KEY
;; Check context_data != NULL
IMB_ERR_CHECK_NULL arg2, rax, IMB_ERR_NULL_CTX
;; Check IV != NULL
IMB_ERR_CHECK_NULL arg6, rax, IMB_ERR_NULL_IV
;; Check IV len != 0
IMB_ERR_CHECK_ZERO arg7, rax, IMB_ERR_IV_LEN
;; Check auth_tag != NULL
IMB_ERR_CHECK_NULL arg10, rax, IMB_ERR_NULL_AUTH
;; Check auth_tag_len == 0 or > 16
IMB_ERR_CHECK_ZERO arg11, rax, IMB_ERR_AUTH_TAG_LEN
IMB_ERR_CHECK_ABOVE arg11, 16, rax, IMB_ERR_AUTH_TAG_LEN
;; Check if msg_len == 0
cmp arg5, 0
jz skip_in_out_check_error_enc_IV
;; Check if msg_len > max_len
IMB_ERR_CHECK_ABOVE arg5, GCM_MAX_LENGTH, rax, IMB_ERR_CIPH_LEN
;; Check out != NULL (msg_len != 0)
IMB_ERR_CHECK_NULL arg3, rax, IMB_ERR_NULL_DST
;; Check in != NULL (msg_len != 0)
IMB_ERR_CHECK_NULL arg4, rax, IMB_ERR_NULL_SRC
skip_in_out_check_error_enc_IV:
;; Check if aad_len == 0
cmp arg9, 0
jz skip_aad_check_error_enc_IV
;; Check aad != NULL (aad_len != 0)
IMB_ERR_CHECK_NULL arg8, rax, IMB_ERR_NULL_AAD
skip_aad_check_error_enc_IV:
;; Set imb_errno
IMB_ERR_CHECK_END rax
jmp exit_enc_IV
%endif
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;void aes_gcm_dec_var_iv_128_sse / aes_gcm_dec_var_iv_192_sse /
; aes_gcm_dec_var_iv_256_sse
; (const struct gcm_key_data *key_data,
; struct gcm_context_data *context_data,
; u8 *out,
; const u8 *in,
; u64 msg_len,
; u8 *iv,
; const u64 iv_len,
; const u8 *aad,
; const u64 aad_len,
; u8 *auth_tag,
; const u64 auth_tag_len);
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
MKGLOBAL(FN_NAME(dec_var_iv,_),function,)
FN_NAME(dec_var_iv,_):
FUNC_SAVE
%ifdef SAFE_PARAM
;; Reset imb_errno
IMB_ERR_CHECK_RESET
;; Load max len to reg on windows
INIT_GCM_MAX_LENGTH
;; Check key_data != NULL
cmp arg1, 0
jz error_dec_IV
;; Check context_data != NULL
cmp arg2, 0
jz error_dec_IV
;; Check IV != NULL
cmp arg6, 0
jz error_dec_IV
;; Check IV len != 0
cmp arg7, 0
jz error_dec_IV
;; Check auth_tag != NULL
cmp arg10, 0
jz error_dec_IV
;; Check auth_tag_len == 0 or > 16
cmp arg11, 0
jz error_dec_IV
cmp arg11, 16
ja error_dec_IV
;; Check if msg_len == 0
cmp arg5, 0
jz skip_in_out_check_dec_IV
;; Check if msg_len > max_len
cmp arg5, GCM_MAX_LENGTH
ja error_dec_IV
;; Check out != NULL (msg_len != 0)
cmp arg3, 0
jz error_dec_IV
;; Check in != NULL (msg_len != 0)
cmp arg4, 0
jz error_dec_IV
skip_in_out_check_dec_IV:
;; Check if aad_len == 0
cmp arg9, 0
jz skip_aad_check_dec_IV
;; Check aad != NULL (aad_len != 0)
cmp arg8, 0
jz error_dec_IV
skip_aad_check_dec_IV:
%endif
cmp arg7, 12
je iv_len_12_dec_IV
GCM_INIT arg1, arg2, arg6, arg8, arg9, arg7
jmp skip_iv_len_12_dec_IV
iv_len_12_dec_IV:
GCM_INIT arg1, arg2, arg6, arg8, arg9
skip_iv_len_12_dec_IV:
GCM_ENC_DEC arg1, arg2, arg3, arg4, arg5, DEC
GCM_COMPLETE arg1, arg2, arg10, arg11
exit_dec_IV:
FUNC_RESTORE
ret
%ifdef SAFE_PARAM
error_dec_IV:
;; Clear reg and imb_errno
IMB_ERR_CHECK_START rax
;; Check key_data != NULL
IMB_ERR_CHECK_NULL arg1, rax, IMB_ERR_NULL_EXP_KEY
;; Check context_data != NULL
IMB_ERR_CHECK_NULL arg2, rax, IMB_ERR_NULL_CTX
;; Check IV != NULL
IMB_ERR_CHECK_NULL arg6, rax, IMB_ERR_NULL_IV
;; Check IV len != 0
IMB_ERR_CHECK_ZERO arg7, rax, IMB_ERR_IV_LEN
;; Check auth_tag != NULL
IMB_ERR_CHECK_NULL arg10, rax, IMB_ERR_NULL_AUTH
;; Check auth_tag_len == 0 or > 16
IMB_ERR_CHECK_ZERO arg11, rax, IMB_ERR_AUTH_TAG_LEN
IMB_ERR_CHECK_ABOVE arg11, 16, rax, IMB_ERR_AUTH_TAG_LEN
;; Check if msg_len == 0
cmp arg5, 0
jz skip_in_out_check_error_dec_IV
;; Check if msg_len > max_len
IMB_ERR_CHECK_ABOVE arg5, GCM_MAX_LENGTH, rax, IMB_ERR_CIPH_LEN
;; Check out != NULL (msg_len != 0)
IMB_ERR_CHECK_NULL arg3, rax, IMB_ERR_NULL_DST
;; Check in != NULL (msg_len != 0)
IMB_ERR_CHECK_NULL arg4, rax, IMB_ERR_NULL_SRC
skip_in_out_check_error_dec_IV:
;; Check if aad_len == 0
cmp arg9, 0
jz skip_aad_check_error_dec_IV
;; Check aad != NULL (aad_len != 0)
IMB_ERR_CHECK_NULL arg8, rax, IMB_ERR_NULL_AAD
skip_aad_check_error_dec_IV:
;; Set imb_errno
IMB_ERR_CHECK_END rax
jmp exit_dec_IV
%endif
mksection stack-noexec
%endif ; GCM_API_SSE_INC
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