Function at 0x56c990
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x58
call fcn.00581890
push ebx
push ebp
push esi
push edi
mov dword [esp + 0x48], 0
mov dword [esp + 0x2c], 0
call fcn.004867a0
mov esi, dword [esp + 0x6c]
push esi
mov dword [esp + 0x2c], eax
call fcn.0046a620
mov edi, eax
push edi
call fcn.00469e30
push esi
mov dword [esp + 0x58], eax
call fcn.004fc800
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.0046a630
mov ebp, eax
mov dword [esp + 0x54], 0
push esi
mov dword [esp + 0x54], ebp
call fcn.0048c3c0
mov ebx, eax
push esi
mov dword [esp + 0x4c], ebx
call fcn.0048c3b0
add esp, 0x18
mov dword [esp + 0x30], eax
cmp dword [esp + 0x28], 0
mov dword [esp + 0x64], 0
mov dword [esp + 0x60], 0
je 0x56d049
test ebp, ebp
jle 0x56d049
push edi
call fcn.0056c290
add esp, 4
mov dword [esp + 0x20], eax
test eax, eax
jne 0x56ca8c
call fcn.0046aff0
push str.ossl_sm2_encrypt
push 0x94
push str.crypto_sm2_sm2_crypt.c
call fcn.0046b040
push 0
push 0xc0103
push 0x35
call fcn.0046b070
add esp, 0x18
xor ebx, ebx
jmp 0x56cbed
push edi
call fcn.0048ad70
push edi
mov dword [esp + 0x24], eax
call fcn.0048ad70
add esp, 8
mov dword [esp + 0x24], eax
cmp dword [esp + 0x1c], 0
je 0x56d018
test eax, eax
je 0x56d018
push ebx
call fcn.004c23a0
add esp, 4
mov dword [esp + 0x2c], eax
test eax, eax
jne 0x56caf8
call fcn.0046aff0
push str.ossl_sm2_encrypt
push 0xa0
push str.crypto_sm2_sm2_crypt.c
call fcn.0046b040
push 0
push 0x80003
push 0x35
call fcn.0046b070
add esp, 0x18
xor ebx, ebx
jmp 0x56cbed
push eax
call fcn.004c2440
mov ebx, dword [esp + 0x30]
push ebx
call fcn.004c2320
push ebx
mov esi, eax
call fcn.004c2320
push ebx
mov dword [esp + 0x48], eax
call fcn.004c2320
push ebx
mov dword [esp + 0x68], eax
call fcn.004c2320
push ebx
mov dword [esp + 0x54], eax
call fcn.004c2320
mov ebp, eax
add esp, 0x18
test ebp, ebp
jne 0x56cb48
call fcn.0046aff0
push str.ossl_sm2_encrypt
push 0xac
jmp 0x56cad6
mov eax, dword [esp + 0x20]
push 0xb0
add eax, eax
push str.crypto_sm2_sm2_crypt.c
push eax
call fcn.00465eb0
push 0xb1
push str.crypto_sm2_sm2_crypt.c
push dword [esp + 0x54]
mov dword [esp + 0x2c], eax
call fcn.00465eb0
mov ecx, dword [esp + 0x2c]
add esp, 0x18
mov dword [esp + 0x10], eax
test ecx, ecx
je 0x56d05d
test eax, eax
je 0x56d05d
mov eax, dword [esp + 0x80]
push dword [eax]
push 0
push dword [esp + 0x84]
call fcn.005840f0
push ebx
push 0
push dword [esp + 0x60]
push esi
call fcn.004da780
add esp, 0x1c
test eax, eax
jne 0x56cc74
call fcn.0046aff0
push str.ossl_sm2_encrypt
push 0xb9
push str.crypto_sm2_sm2_crypt.c
call fcn.0046b040
push 0
push 0xc0103
push 0x35
call fcn.0046b070
add esp, 0x18
mov ebx, dword [esp + 0x10]
push dword [esp + 0x44]
call fcn.00486e90
push dword [esp + 0x68]
call fcn.004a18b0
push dword [esp + 0x68]
call fcn.004a18b0
push 0x104
push str.crypto_sm2_sm2_crypt.c
push dword [esp + 0x2c]
call fcn.00465ce0
push 0x105
push str.crypto_sm2_sm2_crypt.c
push dword [esp + 0x34]
call fcn.00465ce0
push 0x106
push str.crypto_sm2_sm2_crypt.c
push ebx
call fcn.00465ce0
push dword [esp + 0x58]
call fcn.00486710
push dword [esp + 0x60]
call fcn.004c22e0
push dword [esp + 0x54]
call fcn.0048a970
push dword [esp + 0x60]
call fcn.0048a970
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.0048ac30
add esp, 0x18
test eax, eax
je 0x56cff3
push ebx
push dword [esp + 0x40]
push dword [esp + 0x40]
push dword [esp + 0x28]
push edi
call fcn.0048a9a0
add esp, 0x14
test eax, eax
je 0x56cff3
push ebx
push esi
push dword [esp + 0x58]
push 0
push dword [esp + 0x34]
push edi
call fcn.0048ac30
add esp, 0x18
test eax, eax
je 0x56cff3
mov esi, dword [esp + 0x54]
push ebx
push ebp
push esi
push dword [esp + 0x30]
push edi
call fcn.0048a9a0
add esp, 0x14
test eax, eax
je 0x56cff3
mov ebx, dword [esp + 0x20]
push ebx
push dword [esp + 0x18]
push esi
call fcn.00474630
add esp, 0xc
test eax, eax
js 0x56cfdf
mov esi, dword [esp + 0x14]
push ebx
lea eax, [ebx + esi]
push eax
push ebp
call fcn.00474630
add esp, 0xc
test eax, eax
js 0x56cfdf
mov edi, dword [esp + 0x78]
push 0xcb
push str.crypto_sm2_sm2_crypt.c
push edi
call fcn.00465eb0
add esp, 0xc
mov dword [esp + 0x18], eax
test eax, eax
je 0x56cbe9
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.004ab7b0
add esp, 0x24
test eax, eax
jne 0x56cd85
call fcn.0046aff0
push str.ossl_sm2_encrypt
push 0xd2
push str.crypto_sm2_sm2_crypt.c
call fcn.0046b040
push 0
push 0x80006
jmp 0x56cbdf
mov ebp, dword [esp + 0x74]
xor edx, edx
test edi, edi
je 0x56ce03
mov ebx, dword [esp + 0x18]
cmp edi, 0x20
jb 0x56cde0
lea eax, [ebp - 1]
lea ecx, [ebx - 1]
add eax, edi
add ecx, edi
cmp ebx, eax
ja 0x56cdaa
cmp ecx, ebp
jae 0x56cde0
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 0x56cdb5
cmp edx, edi
je 0x56cdff
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 0x56cdf1
mov ebx, dword [esp + 0x20]
push dword [esp + 0x30]
push dword [esp + 0x74]
call fcn.0046a5c0
add esp, 4
push eax
push dword [esp + 0x3c]
call fcn.00486940
add esp, 0xc
mov dword [esp + 0x44], eax
test eax, eax
jne 0x56ce3c
call fcn.0046aff0
push str.ossl_sm2_encrypt
push 0xdb
jmp 0x56cbce
mov esi, dword [esp + 0x28]
push eax
push esi
call fcn.00486270
add esp, 8
test eax, eax
je 0x56cfac
push ebx
push dword [esp + 0x18]
push esi
call fcn.004862d0
add esp, 0xc
test eax, eax
je 0x56cfac
push edi
push ebp
push esi
call fcn.004862d0
add esp, 0xc
test eax, eax
je 0x56cfac
mov eax, dword [esp + 0x14]
push ebx
add eax, ebx
push eax
push esi
call fcn.004862d0
mov ebx, dword [esp + 0x1c]
add esp, 0xc
test eax, eax
je 0x56cfb0
push 0
push ebx
push esi
call fcn.00485eb0
add esp, 0xc
test eax, eax
je 0x56cfb0
mov eax, dword [esp + 0x38]
mov dword [esp + 0x58], eax
mov eax, dword [esp + 0x3c]
mov dword [esp + 0x5c], eax
call fcn.004a18d0
mov dword [esp + 0x60], eax
call fcn.004a18d0
mov ecx, dword [esp + 0x60]
mov dword [esp + 0x64], eax
test ecx, ecx
je 0x56cf7d
test eax, eax
je 0x56cf7d
push dword [esp + 0x40]
push ebx
push ecx
call fcn.004e5cd0
add esp, 0xc
test eax, eax
je 0x56cf4e
push edi
push dword [esp + 0x1c]
push dword [esp + 0x6c]
call fcn.004e5cd0
add esp, 0xc
test eax, eax
je 0x56cf4e
push 0x61ada8
lea eax, [esp + 0x80]
push eax
lea eax, [esp + 0x60]
push eax
call fcn.004dece0
add esp, 0xc
test eax, eax
jns 0x56cf38
call fcn.0046aff0
push str.ossl_sm2_encrypt
push 0xf9
jmp 0x56cf5d
mov ecx, dword [esp + 0x80]
mov dword [esp + 0x48], 1
mov dword [ecx], eax
jmp 0x56cbed
call fcn.0046aff0
push str.ossl_sm2_encrypt
push 0xf2
push str.crypto_sm2_sm2_crypt.c
call fcn.0046b040
push 0
push 0xc0103
push 0x35
call fcn.0046b070
add esp, 0x18
jmp 0x56cbed
call fcn.0046aff0
push str.ossl_sm2_encrypt
push 0xed
push str.crypto_sm2_sm2_crypt.c
call fcn.0046b040
push 0
push 0x8000d
push 0x35
call fcn.0046b070
add esp, 0x18
jmp 0x56cbed
mov ebx, dword [esp + 0x10]
call fcn.0046aff0
push str.ossl_sm2_encrypt
push 0xe3
push str.crypto_sm2_sm2_crypt.c
call fcn.0046b040
push 0
push 0x80006
push 0x35
call fcn.0046b070
add esp, 0x18
jmp 0x56cbed
call fcn.0046aff0
push str.ossl_sm2_encrypt
push 0xc7
jmp 0x56cbce
call fcn.0046aff0
push str.ossl_sm2_encrypt
push 0xc1
push str.crypto_sm2_sm2_crypt.c
call fcn.0046b040
push 0
push 0x80010
jmp 0x56cbdf
call fcn.0046aff0
push str.ossl_sm2_encrypt
push 0x9b
push str.crypto_sm2_sm2_crypt.c
call fcn.0046b040
push 0
push 0x80010
push 0x35
call fcn.0046b070
add esp, 0x18
xor ebx, ebx
jmp 0x56cbed
call fcn.0046aff0
push str.ossl_sm2_encrypt
push 0x8e
jmp 0x56ca6a
mov ebx, eax
jmp 0x56cbed