Function at 0x542160
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x4c
call fcn.004c4b70
push ebx
push ebp
push esi
push edi
mov dword [esp + 0x3c], 0
call fcn.0050b310
mov esi, dword [esp + 0x60]
push esi
mov dword [esp + 0x20], eax
call fcn.004fd7a0
mov edi, eax
push edi
call fcn.004fd590
push esi
mov dword [esp + 0x4c], eax
call fcn.004fd720
push dword [esp + 0x70]
xor ebx, ebx
mov dword [esp + 0x54], eax
mov dword [esp + 0x30], 0
mov dword [esp + 0x34], 0
mov dword [esp + 0x28], ebx
call fcn.004fdcf0
add esp, 0x10
mov dword [esp + 0x38], eax
mov dword [esp + 0x58], ebx
mov dword [esp + 0x54], ebx
cmp dword [esp + 0x1c], ebx
je 0x542710
test eax, eax
jle 0x542710
push edi
call fcn.00541ab0
add esp, 4
mov dword [esp + 0x28], eax
test eax, eax
jne 0x5421fa
push 0x93
jmp 0x542715
push edi
call fcn.0051b560
push edi
mov dword [esp + 0x28], eax
call fcn.0051b560
add esp, 8
mov ebp, eax
mov dword [esp + 0x24], ebp
call fcn.0050d780
mov esi, eax
mov dword [esp + 0x14], esi
cmp dword [esp + 0x20], ebx
je 0x5426f9
test ebp, ebp
je 0x5426f9
test esi, esi
je 0x5426f9
push esi
call fcn.0050d870
push esi
call fcn.0050d630
push esi
mov ebp, eax
call fcn.0050d630
push esi
mov dword [esp + 0x40], eax
call fcn.0050d630
push esi
mov dword [esp + 0x40], eax
call fcn.0050d630
push esi
mov dword [esp + 0x4c], eax
call fcn.0050d630
add esp, 0x18
mov dword [esp + 0x48], eax
test eax, eax
jne 0x54228f
push 0xa7
push str.crypto_sm2_sm2_crypt.c
push 3
push 0x67
push 0x35
call fcn.004fcef0
jmp 0x542727
mov eax, dword [esp + 0x28]
push 0xab
add eax, eax
push str.crypto_sm2_sm2_crypt.c
push eax
call fcn.00507cf0
push 0xac
push str.crypto_sm2_sm2_crypt.c
push dword [esp + 0x4c]
mov dword [esp + 0x30], eax
call fcn.00507cf0
add esp, 0x18
mov dword [esp + 0x10], eax
cmp dword [esp + 0x18], ebx
je 0x5426db
test eax, eax
je 0x5426db
mov eax, dword [esp + 0x74]
push dword [eax]
push 0
push dword [esp + 0x78]
call fcn.004cf790
push dword [esp + 0x4c]
push ebp
call fcn.0051a030
add esp, 0x14
test eax, eax
jne 0x542318
push 0xb6
push str.crypto_sm2_sm2_crypt.c
push 0x44
push 0x67
push 0x35
call fcn.004fcef0
mov ebp, dword [esp + 0x24]
add esp, 0x14
jmp 0x54272c
push esi
push 0
push 0
push ebp
push dword [esp + 0x30]
push edi
call fcn.0051b510
add esp, 0x18
test eax, eax
je 0x5426bd
push esi
push dword [esp + 0x38]
push dword [esp + 0x38]
push dword [esp + 0x2c]
push edi
call fcn.0051b240
add esp, 0x14
test eax, eax
je 0x5426bd
push esi
push ebp
push dword [esp + 0x4c]
push 0
push dword [esp + 0x34]
push edi
call fcn.0051b510
add esp, 0x18
test eax, eax
je 0x5426bd
mov ebp, dword [esp + 0x48]
push esi
push ebp
push dword [esp + 0x34]
push dword [esp + 0x30]
push edi
call fcn.0051b240
add esp, 0x14
test eax, eax
je 0x5426bd
mov edi, dword [esp + 0x28]
push edi
push dword [esp + 0x1c]
push dword [esp + 0x34]
call fcn.00505e80
add esp, 0xc
test eax, eax
js 0x5426b3
mov eax, dword [esp + 0x18]
add eax, edi
push edi
push eax
push ebp
mov dword [esp + 0x4c], eax
call fcn.00505e80
add esp, 0xc
test eax, eax
js 0x5426b3
mov esi, dword [esp + 0x6c]
push 0xc8
push str.crypto_sm2_sm2_crypt.c
push esi
call fcn.00507cf0
mov ebx, eax
add esp, 0xc
test ebx, ebx
jne 0x542409
push 0xca
push str.crypto_sm2_sm2_crypt.c
push 0x41
push 0x67
push 0x35
call fcn.004fcef0
mov esi, dword [esp + 0x28]
add esp, 0x14
mov ebp, dword [esp + 0x10]
jmp 0x54272c
push dword [esp + 0x64]
lea eax, [edi + edi]
push 0
push 0
push eax
push dword [esp + 0x28]
push esi
push ebx
call fcn.00540e90
add esp, 0x1c
test eax, eax
jne 0x54244c
push 0xd1
push str.crypto_sm2_sm2_crypt.c
push 6
push 0x67
push 0x35
call fcn.004fcef0
mov esi, dword [esp + 0x28]
add esp, 0x14
mov ebp, dword [esp + 0x10]
jmp 0x54272c
xor edx, edx
test esi, esi
je 0x54253e
mov ebp, dword [esp + 0x68]
cmp esi, 8
jb 0x542522
lea eax, [ebp - 1]
lea ecx, [esi - 1]
add eax, esi
add ecx, ebx
cmp ebx, eax
ja 0x542479
cmp ecx, ebp
jae 0x542522
cmp esi, 0x40
jb 0x5424f6
mov eax, esi
lea ecx, [ebp + 0x30]
and eax, 0x3f
mov edi, esi
mov esi, ebp
mov dword [esp + 0x44], eax
sub edi, eax
sub esi, ebx
mov dword [esp + 0x48], esi
lea eax, [ebx + 0x10]
mov esi, dword [esp + 0x6c]
mov ebp, dword [esp + 0x48]
movups xmm0, xmmword [eax - 0x10]
add edx, 0x40
lea ecx, [ecx + 0x40]
lea eax, [eax + 0x40]
movups xmm1, xmmword [ecx - 0x70]
xorps xmm1, xmm0
movups xmmword [eax - 0x50], xmm1
movups xmm0, xmmword [eax - 0x40]
movups xmm1, xmmword [eax + ebp - 0x40]
xorps xmm1, xmm0
movups xmmword [eax - 0x40], xmm1
movups xmm0, xmmword [eax - 0x30]
movups xmm1, xmmword [ecx - 0x50]
xorps xmm1, xmm0
movups xmmword [eax - 0x30], xmm1
movups xmm1, xmmword [eax - 0x20]
movups xmm0, xmmword [ecx - 0x40]
xorps xmm1, xmm0
movups xmmword [eax - 0x20], xmm1
cmp edx, edi
jne 0x5424a1
cmp dword [esp + 0x44], 8
mov ebp, dword [esp + 0x68]
jb 0x54251e
mov ecx, esi
lea eax, [edx + ebx]
mov edi, ebp
and ecx, 0xfffffff8
sub edi, ebx
movq xmm1, qword [edi + eax]
lea eax, [eax + 8]
movq xmm0, qword [eax - 8]
add edx, 8
xorps xmm1, xmm0
movq qword [eax - 8], xmm1
cmp edx, ecx
jne 0x542502
cmp edx, esi
je 0x542542
mov edi, esi
lea ecx, [edx + ebx]
sub ebp, ebx
sub edi, edx
nop dword [eax + eax]
mov al, byte [ecx + ebp]
lea ecx, [ecx + 1]
xor byte [ecx - 1], al
sub edi, 1
jne 0x542530
mov ebp, dword [esp + 0x68]
push dword [esp + 0x64]
mov edi, dword [esp + 0x20]
push edi
call fcn.0050af90
add esp, 8
test eax, eax
je 0x542691
mov edi, dword [esp + 0x28]
push edi
push dword [esp + 0x1c]
push dword [esp + 0x24]
call fcn.0050b160
add esp, 0xc
test eax, eax
je 0x542691
push esi
push ebp
push dword [esp + 0x24]
call fcn.0050b160
add esp, 0xc
test eax, eax
je 0x542691
push edi
push dword [esp + 0x44]
mov edi, dword [esp + 0x24]
push edi
call fcn.0050b160
mov ebp, dword [esp + 0x1c]
add esp, 0xc
test eax, eax
je 0x542695
push 0
push ebp
push edi
call fcn.0050ae00
add esp, 0xc
test eax, eax
je 0x542695
mov eax, dword [esp + 0x30]
mov dword [esp + 0x4c], eax
mov eax, dword [esp + 0x34]
mov dword [esp + 0x50], eax
call fcn.00530e00
mov dword [esp + 0x54], eax
call fcn.00530e00
mov ecx, dword [esp + 0x54]
mov dword [esp + 0x58], eax
test ecx, ecx
je 0x542670
test eax, eax
je 0x542670
push dword [esp + 0x38]
push ebp
push ecx
call fcn.00531ce0
add esp, 0xc
test eax, eax
je 0x54264f
push esi
push ebx
push dword [esp + 0x60]
call fcn.00531ce0
add esp, 0xc
test eax, eax
je 0x54264f
push 0x626a08
lea eax, [esp + 0x74]
push eax
lea eax, [esp + 0x54]
push eax
call fcn.0053eb00
add esp, 0xc
test eax, eax
jns 0x542638
push 0xf3
jmp 0x542654
mov ecx, dword [esp + 0x74]
mov esi, dword [esp + 0x14]
mov dword [esp + 0x3c], 1
mov dword [ecx], eax
jmp 0x54272c
push 0xec
push str.crypto_sm2_sm2_crypt.c
push 0x44
push 0x67
push 0x35
call fcn.004fcef0
mov esi, dword [esp + 0x28]
add esp, 0x14
jmp 0x54272c
push 0xe7
push str.crypto_sm2_sm2_crypt.c
push 0x41
push 0x67
push 0x35
call fcn.004fcef0
mov esi, dword [esp + 0x28]
add esp, 0x14
jmp 0x54272c
mov ebp, dword [esp + 0x10]
push 0xdd
push str.crypto_sm2_sm2_crypt.c
push 6
push 0x67
push 0x35
call fcn.004fcef0
mov esi, dword [esp + 0x28]
add esp, 0x14
jmp 0x54272c
push 0xc4
jmp 0x5422fc
push 0xbe
push str.crypto_sm2_sm2_crypt.c
push 0x10
push 0x67
push 0x35
call fcn.004fcef0
mov ebp, dword [esp + 0x24]
add esp, 0x14
jmp 0x54272c
push 0xaf
push str.crypto_sm2_sm2_crypt.c
push 0x41
push 0x67
push 0x35
call fcn.004fcef0
mov ebp, dword [esp + 0x24]
add esp, 0x14
jmp 0x54272c
push 0x9b
push str.crypto_sm2_sm2_crypt.c
push 0x41
push 0x67
push 0x35
call fcn.004fcef0
jmp 0x542727
push 0x8d
push str.crypto_sm2_sm2_crypt.c
push 0x44
push 0x67
push 0x35
call fcn.004fcef0
xor esi, esi
add esp, 0x14
xor ebp, ebp
push dword [esp + 0x58]
call fcn.00530cf0
push dword [esp + 0x58]
call fcn.00530cf0
push 0xfd
push str.crypto_sm2_sm2_crypt.c
push ebx
call fcn.00507a80
push 0xfe
push str.crypto_sm2_sm2_crypt.c
push dword [esp + 0x34]
call fcn.00507a80
push 0xff
push str.crypto_sm2_sm2_crypt.c
push ebp
call fcn.00507a80
push dword [esp + 0x48]
call fcn.0050b2f0
push esi
call fcn.0050d5a0
push dword [esp + 0x54]
call fcn.0051b210
push dword [esp + 0x5c]
call fcn.0051b210
mov eax, dword [esp + 0x78]
add esp, 0x3c
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x4c
ret