Function at 0x671390
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x44
call fcn.0075cd80
push ebx
mov ebx, dword [esp + 0x4c]
push ebp
push esi
push edi
push ebx
mov dword [esp + 0x44], 0
mov dword [esp + 0x1c], 0
call fcn.00548ba0
push eax
mov dword [esp + 0x24], eax
mov dword [esp + 0x2c], 0
mov dword [esp + 0x38], 0
mov dword [esp + 0x1c], 0
call fcn.006712a0
push dword [esp + 0x64]
mov edi, eax
mov dword [esp + 0x2c], edi
call fcn.00569c50
push ebx
mov dword [esp + 0x3c], eax
xor ebp, ebp
xor esi, esi
call fcn.005793f0
push ebx
mov dword [esp + 0x50], eax
call fcn.00550290
add esp, 0x14
mov dword [esp + 0x44], eax
test edi, edi
je 0x671471
mov ebx, dword [esp + 0x2c]
test ebx, ebx
jle 0x671471
mov eax, dword [esp + 0x6c]
push dword [eax]
push 0xff
push dword [esp + 0x70]
call fcn.00774aa0
push 0x8415a0
push dword [esp + 0x74]
lea eax, [esp + 0x74]
push eax
push esi
call fcn.00564880
add esp, 0x1c
mov dword [esp + 0x30], eax
test eax, eax
jne 0x6714ef
call fcn.0055b2b0
push str.ossl_sm2_decrypt
push 0x12f
push str.crypto_sm2_sm2_crypt.c
call fcn.0055b3b0
push esi
push 0x64
push 0x35
call fcn.0055b460
add esp, 0x18
xor edi, edi
mov eax, dword [esp + 0x6c]
push dword [eax]
push 0
push dword [esp + 0x70]
call fcn.00774aa0
add esp, 0xc
push 0x18d
push str.crypto_sm2_sm2_crypt.c
push ebp
call fcn.0053bb50
push 0x18e
push str.crypto_sm2_sm2_crypt.c
push dword [esp + 0x28]
call fcn.0053bb50
push 0x18f
push str.crypto_sm2_sm2_crypt.c
push edi
call fcn.0053bb50
push dword [esp + 0x48]
call fcn.00577cc0
push dword [esp + 0x40]
call fcn.00585010
push 0x8415a0
push dword [esp + 0x60]
call fcn.005644f0
push esi
call fcn.00543f90
mov eax, dword [esp + 0x78]
add esp, 0x38
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x44
ret
mov ecx, dword [eax + 8]
cmp dword [ecx], ebx
je 0x671518
call fcn.0055b2b0
push str.ossl_sm2_decrypt
push 0x134
push str.crypto_sm2_sm2_crypt.c
call fcn.0055b3b0
push 0
push 0x68
jmp 0x671467
mov eax, dword [eax + 0xc]
mov ecx, dword [ecx + 8]
mov dword [esp + 0x50], ecx
mov ebx, dword [eax]
mov edi, dword [eax + 8]
mov eax, dword [esp + 0x6c]
mov dword [esp + 0x4c], ebx
cmp dword [eax], ebx
jae 0x671555
call fcn.0055b2b0
push str.ossl_sm2_decrypt
push 0x13c
push str.crypto_sm2_sm2_crypt.c
call fcn.0055b3b0
push 0
push 0x6b
jmp 0x671467
push dword [esp + 0x3c]
call fcn.00585220
add esp, 4
mov dword [esp + 0x18], eax
test eax, eax
jne 0x67158e
call fcn.0055b2b0
push str.ossl_sm2_decrypt
push 0x142
push str.crypto_sm2_sm2_crypt.c
call fcn.0055b3b0
push 0
push 0xc0100
jmp 0x671467
push eax
call fcn.005852f0
push dword [esp + 0x1c]
call fcn.005850a0
push dword [esp + 0x20]
mov dword [esp + 0x40], eax
call fcn.005850a0
add esp, 0xc
mov dword [esp + 0x38], eax
test eax, eax
jne 0x6715da
call fcn.0055b2b0
push str.ossl_sm2_decrypt
push 0x14b
push str.crypto_sm2_sm2_crypt.c
call fcn.0055b3b0
push 0
push 0x80003
jmp 0x671467
push 0x14f
push str.crypto_sm2_sm2_crypt.c
push ebx
call fcn.0053bdb0
mov ebp, eax
mov eax, dword [esp + 0x2c]
push 0x150
add eax, eax
mov dword [esp + 0x38], ebp
push str.crypto_sm2_sm2_crypt.c
push eax
mov dword [esp + 0x60], eax
call fcn.0053bdb0
push 0x151
push str.crypto_sm2_sm2_crypt.c
push dword [esp + 0x4c]
mov dword [esp + 0x38], eax
call fcn.0053bdb0
add esp, 0x24
mov dword [esp + 0x10], eax
test ebp, ebp
je 0x6719e9
cmp dword [esp + 0x14], esi
je 0x6719e9
test eax, eax
je 0x6719e9
push dword [esp + 0x1c]
call fcn.00578120
mov ecx, eax
add esp, 4
mov dword [esp + 0x24], ecx
test ecx, ecx
jne 0x67168b
call fcn.0055b2b0
push str.ossl_sm2_decrypt
push 0x15a
push str.crypto_sm2_sm2_crypt.c
call fcn.0055b3b0
push 0
push 0xc0100
push 0x35
call fcn.0055b460
mov edi, dword [esp + 0x28]
add esp, 0x18
jmp 0x671473
mov eax, dword [esp + 0x30]
push dword [esp + 0x18]
push dword [eax + 4]
push dword [eax]
push ecx
push dword [esp + 0x2c]
call fcn.005782a0
add esp, 0x14
test eax, eax
je 0x6719b6
push dword [esp + 0x18]
push dword [esp + 0x5c]
call fcn.0053c920
add esp, 4
push eax
mov eax, dword [esp + 0x2c]
push eax
push 0
push eax
push dword [esp + 0x30]
call fcn.00577fe0
add esp, 0x18
test eax, eax
je 0x6719b6
push dword [esp + 0x18]
push dword [esp + 0x3c]
push dword [esp + 0x3c]
push dword [esp + 0x30]
push dword [esp + 0x2c]
call fcn.00577cf0
add esp, 0x14
test eax, eax
je 0x6719b6
push dword [esp + 0x20]
push dword [esp + 0x18]
push dword [esp + 0x3c]
call fcn.0053f910
add esp, 0xc
test eax, eax
js 0x671983
mov eax, dword [esp + 0x20]
mov ecx, dword [esp + 0x14]
add ecx, eax
push eax
push ecx
push dword [esp + 0x40]
mov dword [esp + 0x40], ecx
call fcn.0053f910
add esp, 0xc
test eax, eax
js 0x671983
push dword [esp + 0x44]
push dword [esp + 0x40]
push dword [esp + 0x64]
push 0
push 0
push dword [esp + 0x5c]
push dword [esp + 0x2c]
push ebx
push ebp
call fcn.005e43d0
add esp, 0x24
test eax, eax
je 0x671983
xor esi, esi
test ebx, ebx
je 0x671876
mov edx, dword [esp + 0x68]
cmp ebx, 0x40
jb 0x671849
lea eax, [ebp - 1]
lea ecx, [edx - 1]
add eax, ebx
add ecx, ebx
cmp edx, eax
ja 0x671795
cmp ecx, ebp
jae 0x671849
lea eax, [edi - 1]
add eax, ebx
cmp edx, eax
ja 0x6717a6
cmp ecx, edi
jae 0x671849
mov eax, ebx
and eax, 0x8000003f
jns 0x6717b4
dec eax
or eax, 0xffffffc0
inc eax
mov ecx, ebx
mov dword [esp + 0x1c], edx
sub dword [esp + 0x1c], ebp
sub ecx, eax
lea eax, [ebp + 0x10]
mov dword [esp + 0x44], ecx
mov ebx, edi
lea ecx, [edx + 0x20]
sub ebx, ebp
mov ebp, edi
sub ebp, edx
mov dword [esp + 0x48], ebp
mov ebp, dword [esp + 0x1c]
nop word [eax + eax]
movups xmm0, xmmword [eax - 0x10]
mov edx, dword [esp + 0x48]
lea eax, [eax + 0x40]
movups xmm1, xmmword [esi + edi]
lea ecx, [ecx + 0x40]
pxor xmm1, xmm0
movups xmm0, xmmword [eax - 0x40]
movups xmmword [ecx - 0x60], xmm1
movups xmm1, xmmword [ebx + eax - 0x40]
pxor xmm1, xmm0
movups xmm0, xmmword [eax - 0x30]
movups xmmword [eax + ebp - 0x40], xmm1
movups xmm1, xmmword [edx + ecx - 0x40]
pxor xmm1, xmm0
movups xmm0, xmmword [eax - 0x20]
movups xmmword [ecx - 0x40], xmm1
movups xmm1, xmmword [esi + edi + 0x30]
add esi, 0x40
mov edx, esi
pxor xmm1, xmm0
movups xmmword [ecx - 0x30], xmm1
cmp esi, dword [esp + 0x44]
jne 0x6717e0
mov ebx, dword [esp + 0x4c]
mov ebp, dword [esp + 0x28]
cmp edx, ebx
je 0x671876
mov edx, dword [esp + 0x68]
sub edi, ebp
lea ecx, [esi + ebp]
mov ebp, edx
mov edx, ebx
sub ebp, dword [esp + 0x28]
sub edx, esi
nop dword [eax + eax]
mov al, byte [edi + ecx]
lea ecx, [ecx + 1]
xor al, byte [ecx - 1]
mov byte [ecx + ebp - 1], al
sub edx, 1
jne 0x671860
mov ebp, dword [esp + 0x28]
call fcn.00544020
mov esi, eax
test esi, esi
jne 0x671895
call fcn.0055b2b0
push str.ossl_sm2_decrypt
push 0x174
jmp 0x671667
push dword [esp + 0x5c]
push esi
call fcn.00543960
add esp, 8
test eax, eax
je 0x671950
mov edi, dword [esp + 0x20]
push edi
push dword [esp + 0x18]
push esi
call fcn.005439c0
add esp, 0xc
test eax, eax
je 0x671950
push ebx
push dword [esp + 0x6c]
push esi
call fcn.005439c0
add esp, 0xc
test eax, eax
je 0x671950
push edi
push dword [esp + 0x38]
push esi
call fcn.005439c0
mov edi, dword [esp + 0x1c]
add esp, 0xc
test eax, eax
je 0x671954
push 0
push edi
push esi
call fcn.00543680
add esp, 0xc
test eax, eax
je 0x671954
push dword [esp + 0x2c]
push dword [esp + 0x54]
push edi
call fcn.005d8780
add esp, 0xc
test eax, eax
je 0x67193d
call fcn.0055b2b0
push str.ossl_sm2_decrypt
push 0x182
push str.crypto_sm2_sm2_crypt.c
call fcn.0055b3b0
push 0
push 0x66
push 0x35
call fcn.0055b460
add esp, 0x18
jmp 0x671473
mov eax, dword [esp + 0x6c]
mov dword [esp + 0x40], 1
mov dword [eax], ebx
jmp 0x671487
mov edi, dword [esp + 0x10]
call fcn.0055b2b0
push str.ossl_sm2_decrypt
push 0x17d
push str.crypto_sm2_sm2_crypt.c
call fcn.0055b3b0
push 0
push 0x80006
push 0x35
call fcn.0055b460
add esp, 0x18
jmp 0x671473
call fcn.0055b2b0
push str.ossl_sm2_decrypt
push 0x16b
push str.crypto_sm2_sm2_crypt.c
call fcn.0055b3b0
push 0
push 0xc0103
push 0x35
call fcn.0055b460
mov edi, dword [esp + 0x28]
add esp, 0x18
jmp 0x671473
call fcn.0055b2b0
push str.ossl_sm2_decrypt
push 0x163
push str.crypto_sm2_sm2_crypt.c
call fcn.0055b3b0
push 0
push 0x80010
push 0x35
call fcn.0055b460
mov edi, dword [esp + 0x28]
add esp, 0x18
jmp 0x671473
call fcn.0055b2b0
push str.ossl_sm2_decrypt
push 0x154
jmp 0x671667