Function at 0x541ba0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x4c
call fcn.004c47c0
push ebx
push ebp
push esi
push edi
mov dword [esp + 0x3c], 0
call fcn.00517fd0
mov esi, dword [esp + 0x60]
push esi
mov dword [esp + 0x20], eax
call fcn.004fdfd0
mov edi, eax
push edi
call fcn.004fddc0
push esi
mov dword [esp + 0x4c], eax
call fcn.004fdf50
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.004fe520
add esp, 0x10
mov dword [esp + 0x38], eax
mov dword [esp + 0x58], ebx
mov dword [esp + 0x54], ebx
cmp dword [esp + 0x1c], ebx
je 0x542150
test eax, eax
jle 0x542150
push edi
call fcn.005414f0
add esp, 4
mov dword [esp + 0x28], eax
test eax, eax
jne 0x541c3a
push 0x93
jmp 0x542155
push edi
call fcn.0051c6b0
push edi
mov dword [esp + 0x28], eax
call fcn.0051c6b0
add esp, 8
mov ebp, eax
mov dword [esp + 0x24], ebp
call fcn.0050cbd0
mov esi, eax
mov dword [esp + 0x14], esi
cmp dword [esp + 0x20], ebx
je 0x542139
test ebp, ebp
je 0x542139
test esi, esi
je 0x542139
push esi
call fcn.0050ccc0
push esi
call fcn.0050ca80
push esi
mov ebp, eax
call fcn.0050ca80
push esi
mov dword [esp + 0x40], eax
call fcn.0050ca80
push esi
mov dword [esp + 0x40], eax
call fcn.0050ca80
push esi
mov dword [esp + 0x4c], eax
call fcn.0050ca80
add esp, 0x18
mov dword [esp + 0x48], eax
test eax, eax
jne 0x541ccf
push 0xa7
push str.crypto_sm2_sm2_crypt.c
push 3
push 0x67
push 0x35
call fcn.004fd720
jmp 0x542167
mov eax, dword [esp + 0x28]
push 0xab
add eax, eax
push str.crypto_sm2_sm2_crypt.c
push eax
call fcn.00508510
push 0xac
push str.crypto_sm2_sm2_crypt.c
push dword [esp + 0x4c]
mov dword [esp + 0x30], eax
call fcn.00508510
add esp, 0x18
mov dword [esp + 0x10], eax
cmp dword [esp + 0x18], ebx
je 0x54211b
test eax, eax
je 0x54211b
mov eax, dword [esp + 0x74]
push dword [eax]
push 0
push dword [esp + 0x78]
call fcn.004ce740
push dword [esp + 0x4c]
push ebp
call fcn.0051b190
add esp, 0x14
test eax, eax
jne 0x541d58
push 0xb6
push str.crypto_sm2_sm2_crypt.c
push 0x44
push 0x67
push 0x35
call fcn.004fd720
mov ebp, dword [esp + 0x24]
add esp, 0x14
jmp 0x54216c
push esi
push 0
push 0
push ebp
push dword [esp + 0x30]
push edi
call fcn.0051c660
add esp, 0x18
test eax, eax
je 0x5420fd
push esi
push dword [esp + 0x38]
push dword [esp + 0x38]
push dword [esp + 0x2c]
push edi
call fcn.0051c390
add esp, 0x14
test eax, eax
je 0x5420fd
push esi
push ebp
push dword [esp + 0x4c]
push 0
push dword [esp + 0x34]
push edi
call fcn.0051c660
add esp, 0x18
test eax, eax
je 0x5420fd
mov ebp, dword [esp + 0x48]
push esi
push ebp
push dword [esp + 0x34]
push dword [esp + 0x30]
push edi
call fcn.0051c390
add esp, 0x14
test eax, eax
je 0x5420fd
mov edi, dword [esp + 0x28]
push edi
push dword [esp + 0x1c]
push dword [esp + 0x34]
call fcn.005066a0
add esp, 0xc
test eax, eax
js 0x5420f3
mov eax, dword [esp + 0x18]
add eax, edi
push edi
push eax
push ebp
mov dword [esp + 0x4c], eax
call fcn.005066a0
add esp, 0xc
test eax, eax
js 0x5420f3
mov esi, dword [esp + 0x6c]
push 0xc8
push str.crypto_sm2_sm2_crypt.c
push esi
call fcn.00508510
mov ebx, eax
add esp, 0xc
test ebx, ebx
jne 0x541e49
push 0xca
push str.crypto_sm2_sm2_crypt.c
push 0x41
push 0x67
push 0x35
call fcn.004fd720
mov esi, dword [esp + 0x28]
add esp, 0x14
mov ebp, dword [esp + 0x10]
jmp 0x54216c
push dword [esp + 0x64]
lea eax, [edi + edi]
push 0
push 0
push eax
push dword [esp + 0x28]
push esi
push ebx
call fcn.005408d0
add esp, 0x1c
test eax, eax
jne 0x541e8c
push 0xd1
push str.crypto_sm2_sm2_crypt.c
push 6
push 0x67
push 0x35
call fcn.004fd720
mov esi, dword [esp + 0x28]
add esp, 0x14
mov ebp, dword [esp + 0x10]
jmp 0x54216c
xor edx, edx
test esi, esi
je 0x541f7e
mov ebp, dword [esp + 0x68]
cmp esi, 8
jb 0x541f62
lea eax, [ebp - 1]
lea ecx, [esi - 1]
add eax, esi
add ecx, ebx
cmp ebx, eax
ja 0x541eb9
cmp ecx, ebp
jae 0x541f62
cmp esi, 0x40
jb 0x541f36
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 0x541ee1
cmp dword [esp + 0x44], 8
mov ebp, dword [esp + 0x68]
jb 0x541f5e
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 0x541f42
cmp edx, esi
je 0x541f82
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 0x541f70
mov ebp, dword [esp + 0x68]
push dword [esp + 0x64]
mov edi, dword [esp + 0x20]
push edi
call fcn.00517c50
add esp, 8
test eax, eax
je 0x5420d1
mov edi, dword [esp + 0x28]
push edi
push dword [esp + 0x1c]
push dword [esp + 0x24]
call fcn.00517e20
add esp, 0xc
test eax, eax
je 0x5420d1
push esi
push ebp
push dword [esp + 0x24]
call fcn.00517e20
add esp, 0xc
test eax, eax
je 0x5420d1
push edi
push dword [esp + 0x44]
mov edi, dword [esp + 0x24]
push edi
call fcn.00517e20
mov ebp, dword [esp + 0x1c]
add esp, 0xc
test eax, eax
je 0x5420d5
push 0
push ebp
push edi
call fcn.00517ac0
add esp, 0xc
test eax, eax
je 0x5420d5
mov eax, dword [esp + 0x30]
mov dword [esp + 0x4c], eax
mov eax, dword [esp + 0x34]
mov dword [esp + 0x50], eax
call fcn.00531f50
mov dword [esp + 0x54], eax
call fcn.00531f50
mov ecx, dword [esp + 0x54]
mov dword [esp + 0x58], eax
test ecx, ecx
je 0x5420b0
test eax, eax
je 0x5420b0
push dword [esp + 0x38]
push ebp
push ecx
call fcn.00532e30
add esp, 0xc
test eax, eax
je 0x54208f
push esi
push ebx
push dword [esp + 0x60]
call fcn.00532e30
add esp, 0xc
test eax, eax
je 0x54208f
push 0x623f08
lea eax, [esp + 0x74]
push eax
lea eax, [esp + 0x54]
push eax
call fcn.0053e540
add esp, 0xc
test eax, eax
jns 0x542078
push 0xf3
jmp 0x542094
mov ecx, dword [esp + 0x74]
mov esi, dword [esp + 0x14]
mov dword [esp + 0x3c], 1
mov dword [ecx], eax
jmp 0x54216c
push 0xec
push str.crypto_sm2_sm2_crypt.c
push 0x44
push 0x67
push 0x35
call fcn.004fd720
mov esi, dword [esp + 0x28]
add esp, 0x14
jmp 0x54216c
push 0xe7
push str.crypto_sm2_sm2_crypt.c
push 0x41
push 0x67
push 0x35
call fcn.004fd720
mov esi, dword [esp + 0x28]
add esp, 0x14
jmp 0x54216c
mov ebp, dword [esp + 0x10]
push 0xdd
push str.crypto_sm2_sm2_crypt.c
push 6
push 0x67
push 0x35
call fcn.004fd720
mov esi, dword [esp + 0x28]
add esp, 0x14
jmp 0x54216c
push 0xc4
jmp 0x541d3c
push 0xbe
push str.crypto_sm2_sm2_crypt.c
push 0x10
push 0x67
push 0x35
call fcn.004fd720
mov ebp, dword [esp + 0x24]
add esp, 0x14
jmp 0x54216c
push 0xaf
push str.crypto_sm2_sm2_crypt.c
push 0x41
push 0x67
push 0x35
call fcn.004fd720
mov ebp, dword [esp + 0x24]
add esp, 0x14
jmp 0x54216c
push 0x9b
push str.crypto_sm2_sm2_crypt.c
push 0x41
push 0x67
push 0x35
call fcn.004fd720
jmp 0x542167
push 0x8d
push str.crypto_sm2_sm2_crypt.c
push 0x44
push 0x67
push 0x35
call fcn.004fd720
xor esi, esi
add esp, 0x14
xor ebp, ebp
push dword [esp + 0x58]
call fcn.00531e40
push dword [esp + 0x58]
call fcn.00531e40
push 0xfd
push str.crypto_sm2_sm2_crypt.c
push ebx
call fcn.005082a0
push 0xfe
push str.crypto_sm2_sm2_crypt.c
push dword [esp + 0x34]
call fcn.005082a0
push 0xff
push str.crypto_sm2_sm2_crypt.c
push ebp
call fcn.005082a0
push dword [esp + 0x48]
call fcn.00517fb0
push esi
call fcn.0050c9f0
push dword [esp + 0x54]
call fcn.0051c360
push dword [esp + 0x5c]
call fcn.0051c360
mov eax, dword [esp + 0x78]
add esp, 0x3c
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x4c
ret