Function at 0x566900
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x58
call fcn.0057a200
push ebx
push ebp
push esi
push edi
mov dword [esp + 0x48], 0
mov dword [esp + 0x2c], 0
call fcn.00480720
mov esi, dword [esp + 0x6c]
push esi
mov dword [esp + 0x2c], eax
call fcn.0045b060
mov edi, eax
push edi
call fcn.00536010
push esi
mov dword [esp + 0x58], eax
call fcn.00464520
push dword [esp + 0x7c]
mov dword [esp + 0x60], eax
mov dword [esp + 0x2c], 0
mov dword [esp + 0x34], 0
mov dword [esp + 0x28], 0
mov dword [esp + 0x24], 0
call fcn.00464600
mov ebp, eax
mov dword [esp + 0x54], 0
push esi
mov dword [esp + 0x54], ebp
call fcn.004b62b0
mov ebx, eax
push esi
mov dword [esp + 0x4c], ebx
call fcn.00486340
add esp, 0x18
mov dword [esp + 0x30], eax
cmp dword [esp + 0x28], 0
mov dword [esp + 0x64], 0
mov dword [esp + 0x60], 0
je 0x566fb9
test ebp, ebp
jle 0x566fb9
push edi
call fcn.00566200
add esp, 4
mov dword [esp + 0x20], eax
test eax, eax
jne 0x5669fc
call fcn.00464f60
push str.ossl_sm2_encrypt
push 0x94
push str.crypto_sm2_sm2_crypt.c
call fcn.00464fb0
push 0
push 0xc0103
push 0x35
call fcn.00464fe0
add esp, 0x18
xor ebx, ebx
jmp 0x566b5d
push edi
call fcn.00484d10
push edi
mov dword [esp + 0x24], eax
call fcn.00484d10
add esp, 8
mov dword [esp + 0x24], eax
cmp dword [esp + 0x1c], 0
je 0x566f88
test eax, eax
je 0x566f88
push ebx
call fcn.004bc210
add esp, 4
mov dword [esp + 0x2c], eax
test eax, eax
jne 0x566a68
call fcn.00464f60
push str.ossl_sm2_encrypt
push 0xa0
push str.crypto_sm2_sm2_crypt.c
call fcn.00464fb0
push 0
push 0x80003
push 0x35
call fcn.00464fe0
add esp, 0x18
xor ebx, ebx
jmp 0x566b5d
push eax
call fcn.004bc2b0
mov ebx, dword [esp + 0x30]
push ebx
call fcn.004bc190
push ebx
mov esi, eax
call fcn.004bc190
push ebx
mov dword [esp + 0x48], eax
call fcn.004bc190
push ebx
mov dword [esp + 0x68], eax
call fcn.004bc190
push ebx
mov dword [esp + 0x54], eax
call fcn.004bc190
mov ebp, eax
add esp, 0x18
test ebp, ebp
jne 0x566ab8
call fcn.00464f60
push str.ossl_sm2_encrypt
push 0xac
jmp 0x566a46
mov eax, dword [esp + 0x20]
push 0xb0
add eax, eax
push str.crypto_sm2_sm2_crypt.c
push eax
call fcn.0045fe60
push 0xb1
push str.crypto_sm2_sm2_crypt.c
push dword [esp + 0x54]
mov dword [esp + 0x2c], eax
call fcn.0045fe60
mov ecx, dword [esp + 0x2c]
add esp, 0x18
mov dword [esp + 0x10], eax
test ecx, ecx
je 0x566fcd
test eax, eax
je 0x566fcd
mov eax, dword [esp + 0x80]
push dword [eax]
push 0
push dword [esp + 0x84]
call sub.VCRUNTIME140.dll_memset
push ebx
push 0
push dword [esp + 0x60]
push esi
call fcn.004d4640
add esp, 0x1c
test eax, eax
jne 0x566be4
call fcn.00464f60
push str.ossl_sm2_encrypt
push 0xb9
push str.crypto_sm2_sm2_crypt.c
call fcn.00464fb0
push 0
push 0xc0103
push 0x35
call fcn.00464fe0
add esp, 0x18
mov ebx, dword [esp + 0x10]
push dword [esp + 0x44]
call fcn.004808f0
push dword [esp + 0x68]
call fcn.0049b7a0
push dword [esp + 0x68]
call fcn.0049b7a0
push 0x104
push str.crypto_sm2_sm2_crypt.c
push dword [esp + 0x2c]
call fcn.0045fc90
push 0x105
push str.crypto_sm2_sm2_crypt.c
push dword [esp + 0x34]
call fcn.0045fc90
push 0x106
push str.crypto_sm2_sm2_crypt.c
push ebx
call fcn.0045fc90
push dword [esp + 0x58]
call fcn.00480690
push dword [esp + 0x60]
call fcn.004bc150
push dword [esp + 0x54]
call fcn.00484910
push dword [esp + 0x60]
call fcn.00484910
mov eax, dword [esp + 0x88]
add esp, 0x40
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x58
ret
push ebx
push 0
push 0
push esi
push dword [esp + 0x2c]
push edi
call fcn.00484bd0
add esp, 0x18
test eax, eax
je 0x566f63
push ebx
push dword [esp + 0x40]
push dword [esp + 0x40]
push dword [esp + 0x28]
push edi
call fcn.00484940
add esp, 0x14
test eax, eax
je 0x566f63
push ebx
push esi
push dword [esp + 0x58]
push 0
push dword [esp + 0x34]
push edi
call fcn.00484bd0
add esp, 0x18
test eax, eax
je 0x566f63
mov esi, dword [esp + 0x54]
push ebx
push ebp
push esi
push dword [esp + 0x30]
push edi
call fcn.00484940
add esp, 0x14
test eax, eax
je 0x566f63
mov ebx, dword [esp + 0x20]
push ebx
push dword [esp + 0x18]
push esi
call fcn.0046e620
add esp, 0xc
test eax, eax
js 0x566f4f
mov esi, dword [esp + 0x14]
push ebx
lea eax, [ebx + esi]
push eax
push ebp
call fcn.0046e620
add esp, 0xc
test eax, eax
js 0x566f4f
mov edi, dword [esp + 0x78]
push 0xcb
push str.crypto_sm2_sm2_crypt.c
push edi
call fcn.0045fe60
add esp, 0xc
mov dword [esp + 0x18], eax
test eax, eax
je 0x566b59
push dword [esp + 0x30]
lea ecx, [ebx + ebx]
push dword [esp + 0x38]
push dword [esp + 0x78]
push 0
push 0
push ecx
push esi
push edi
push eax
call fcn.004a5710
add esp, 0x24
test eax, eax
jne 0x566cf5
call fcn.00464f60
push str.ossl_sm2_encrypt
push 0xd2
push str.crypto_sm2_sm2_crypt.c
call fcn.00464fb0
push 0
push 0x80006
jmp 0x566b4f
mov ebp, dword [esp + 0x74]
xor edx, edx
test edi, edi
je 0x566d73
mov ebx, dword [esp + 0x18]
cmp edi, 0x20
jb 0x566d50
lea eax, [ebp - 1]
lea ecx, [ebx - 1]
add eax, edi
add ecx, edi
cmp ebx, eax
ja 0x566d1a
cmp ecx, ebp
jae 0x566d50
mov ecx, edi
mov esi, ebp
and ecx, 0xffffffe0
mov eax, ebx
sub esi, ebx
movups xmm0, xmmword [eax]
lea eax, [eax + 0x20]
movups xmm1, xmmword [esi + eax - 0x20]
pxor xmm1, xmm0
movups xmmword [eax - 0x20], xmm1
movups xmm1, xmmword [edx + ebp + 0x10]
add edx, 0x20
movups xmm0, xmmword [eax - 0x10]
pxor xmm1, xmm0
movups xmmword [eax - 0x10], xmm1
cmp edx, ecx
jne 0x566d25
cmp edx, edi
je 0x566d6f
lea ecx, [edx + ebx]
mov esi, edi
mov ebx, ebp
sub ebx, dword [esp + 0x18]
sub esi, edx
mov al, byte [ecx + ebx]
lea ecx, [ecx + 1]
xor byte [ecx - 1], al
sub esi, 1
jne 0x566d61
mov ebx, dword [esp + 0x20]
push dword [esp + 0x30]
push dword [esp + 0x74]
call fcn.004645a0
add esp, 4
push eax
push dword [esp + 0x3c]
call fcn.004808c0
add esp, 0xc
mov dword [esp + 0x44], eax
test eax, eax
jne 0x566dac
call fcn.00464f60
push str.ossl_sm2_encrypt
push 0xdb
jmp 0x566b3e
mov esi, dword [esp + 0x28]
push eax
push esi
call fcn.004801f0
add esp, 8
test eax, eax
je 0x566f1c
push ebx
push dword [esp + 0x18]
push esi
call fcn.00480250
add esp, 0xc
test eax, eax
je 0x566f1c
push edi
push ebp
push esi
call fcn.00480250
add esp, 0xc
test eax, eax
je 0x566f1c
mov eax, dword [esp + 0x14]
push ebx
add eax, ebx
push eax
push esi
call fcn.00480250
mov ebx, dword [esp + 0x1c]
add esp, 0xc
test eax, eax
je 0x566f20
push 0
push ebx
push esi
call fcn.0047fe30
add esp, 0xc
test eax, eax
je 0x566f20
mov eax, dword [esp + 0x38]
mov dword [esp + 0x58], eax
mov eax, dword [esp + 0x3c]
mov dword [esp + 0x5c], eax
call fcn.0049b860
mov dword [esp + 0x60], eax
call fcn.0049b860
mov ecx, dword [esp + 0x60]
mov dword [esp + 0x64], eax
test ecx, ecx
je 0x566eed
test eax, eax
je 0x566eed
push dword [esp + 0x40]
push ebx
push ecx
call fcn.004de410
add esp, 0xc
test eax, eax
je 0x566ebe
push edi
push dword [esp + 0x1c]
push dword [esp + 0x6c]
call fcn.004de410
add esp, 0xc
test eax, eax
je 0x566ebe
push 0x5ede78
lea eax, [esp + 0x80]
push eax
lea eax, [esp + 0x60]
push eax
call fcn.004d8ba0
add esp, 0xc
test eax, eax
jns 0x566ea8
call fcn.00464f60
push str.ossl_sm2_encrypt
push 0xf9
jmp 0x566ecd
mov ecx, dword [esp + 0x80]
mov dword [esp + 0x48], 1
mov dword [ecx], eax
jmp 0x566b5d
call fcn.00464f60
push str.ossl_sm2_encrypt
push 0xf2
push str.crypto_sm2_sm2_crypt.c
call fcn.00464fb0
push 0
push 0xc0103
push 0x35
call fcn.00464fe0
add esp, 0x18
jmp 0x566b5d
call fcn.00464f60
push str.ossl_sm2_encrypt
push 0xed
push str.crypto_sm2_sm2_crypt.c
call fcn.00464fb0
push 0
push 0x8000d
push 0x35
call fcn.00464fe0
add esp, 0x18
jmp 0x566b5d
mov ebx, dword [esp + 0x10]
call fcn.00464f60
push str.ossl_sm2_encrypt
push 0xe3
push str.crypto_sm2_sm2_crypt.c
call fcn.00464fb0
push 0
push 0x80006
push 0x35
call fcn.00464fe0
add esp, 0x18
jmp 0x566b5d
call fcn.00464f60
push str.ossl_sm2_encrypt
push 0xc7
jmp 0x566b3e
call fcn.00464f60
push str.ossl_sm2_encrypt
push 0xc1
push str.crypto_sm2_sm2_crypt.c
call fcn.00464fb0
push 0
push 0x80010
jmp 0x566b4f
call fcn.00464f60
push str.ossl_sm2_encrypt
push 0x9b
push str.crypto_sm2_sm2_crypt.c
call fcn.00464fb0
push 0
push 0x80010
push 0x35
call fcn.00464fe0
add esp, 0x18
xor ebx, ebx
jmp 0x566b5d
call fcn.00464f60
push str.ossl_sm2_encrypt
push 0x8e
jmp 0x5669da
mov ebx, eax
jmp 0x566b5d