Function at 0x671a10
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x5c
call fcn.0075cd80
push ebx
push ebp
push esi
push edi
mov dword [esp + 0x48], 0
xor ebx, ebx
call fcn.00544020
mov esi, dword [esp + 0x70]
push esi
mov dword [esp + 0x14], eax
call fcn.00548ba0
mov edi, eax
push edi
call fcn.00540d90
push esi
mov dword [esp + 0x58], eax
call fcn.00548a30
push dword [esp + 0x80]
mov dword [esp + 0x60], eax
xor ebp, ebp
mov dword [esp + 0x28], ebx
mov dword [esp + 0x2c], ebx
mov dword [esp + 0x24], ebx
mov dword [esp + 0x34], ebx
call fcn.00569c50
push esi
mov dword [esp + 0x40], eax
mov dword [esp + 0x58], ebx
call fcn.005793f0
push esi
mov dword [esp + 0x40], eax
call fcn.00550290
add esp, 0x18
mov dword [esp + 0x38], eax
mov dword [esp + 0x68], ebx
mov dword [esp + 0x64], ebx
cmp dword [esp + 0x10], ebx
je 0x671ffd
cmp dword [esp + 0x2c], ebx
jle 0x671ffd
push edi
call fcn.006712a0
mov esi, eax
add esp, 4
mov dword [esp + 0x58], esi
test esi, esi
jne 0x671ad1
call fcn.0055b2b0
push str.ossl_sm2_encrypt
push 0x94
jmp 0x67200c
push edi
call fcn.00578120
push edi
mov dword [esp + 0x20], eax
call fcn.00578120
push dword [esp + 0x30]
mov dword [esp + 0x28], eax
call fcn.00585220
add esp, 0xc
mov ebx, eax
cmp dword [esp + 0x18], ebp
je 0x671fe9
cmp dword [esp + 0x1c], ebp
je 0x671fe9
test ebx, ebx
je 0x671fe9
push ebx
call fcn.005852f0
push ebx
call fcn.005850a0
push ebx
mov dword [esp + 0x2c], eax
call fcn.005850a0
push ebx
mov dword [esp + 0x4c], eax
call fcn.005850a0
push ebx
mov dword [esp + 0x44], eax
call fcn.005850a0
push ebx
mov dword [esp + 0x58], eax
call fcn.005850a0
add esp, 0x18
mov dword [esp + 0x34], eax
test eax, eax
jne 0x671b73
call fcn.0055b2b0
push str.ossl_sm2_encrypt
push 0xa8
push str.crypto_sm2_sm2_crypt.c
call fcn.0055b3b0
push 0
push 0x80003
jmp 0x67201d
push 0xac
lea eax, [esi + esi]
push str.crypto_sm2_sm2_crypt.c
push eax
mov dword [esp + 0x60], eax
call fcn.0053bdb0
push 0xad
push str.crypto_sm2_sm2_crypt.c
push dword [esp + 0x40]
mov dword [esp + 0x2c], eax
call fcn.0053bdb0
add esp, 0x18
mov dword [esp + 0x24], eax
cmp dword [esp + 0x14], ebp
je 0x671fd5
test eax, eax
je 0x671fd5
mov eax, dword [esp + 0x84]
push dword [eax]
push 0
push dword [esp + 0x88]
call fcn.00774aa0
push ebx
push 0
push dword [esp + 0x60]
push dword [esp + 0x38]
call fcn.005c7270
add esp, 0x1c
test eax, eax
jne 0x671bfc
call fcn.0055b2b0
push str.ossl_sm2_encrypt
push 0xb7
jmp 0x67200c
push ebx
push 0
push 0
push dword [esp + 0x2c]
push dword [esp + 0x28]
push edi
call fcn.00577fe0
add esp, 0x18
test eax, eax
je 0x671fb3
push ebx
push dword [esp + 0x44]
push dword [esp + 0x44]
push dword [esp + 0x24]
push edi
call fcn.00577cf0
add esp, 0x14
test eax, eax
je 0x671fb3
push ebx
push dword [esp + 0x24]
push dword [esp + 0x58]
push 0
push dword [esp + 0x2c]
push edi
call fcn.00577fe0
add esp, 0x18
test eax, eax
je 0x671fb3
push ebx
push dword [esp + 0x38]
push dword [esp + 0x38]
push dword [esp + 0x28]
push edi
call fcn.00577cf0
add esp, 0x14
test eax, eax
je 0x671fb3
mov edi, dword [esp + 0x14]
push esi
push edi
push dword [esp + 0x38]
call fcn.0053f910
add esp, 0xc
test eax, eax
js 0x671fa2
lea eax, [esi + edi]
push esi
push eax
push dword [esp + 0x3c]
mov dword [esp + 0x58], eax
call fcn.0053f910
add esp, 0xc
test eax, eax
js 0x671fa2
mov esi, dword [esp + 0x7c]
push 0xc9
push str.crypto_sm2_sm2_crypt.c
push esi
call fcn.0053bdb0
mov ebp, eax
add esp, 0xc
mov dword [esp + 0x20], ebp
test ebp, ebp
jne 0x671cf3
call fcn.0055b2b0
push str.ossl_sm2_encrypt
push 0xcb
push str.crypto_sm2_sm2_crypt.c
call fcn.0055b3b0
push 0
push 0xc0100
jmp 0x67201d
push dword [esp + 0x38]
push dword [esp + 0x2c]
push dword [esp + 0x7c]
push 0
push 0
push dword [esp + 0x68]
push edi
push esi
push ebp
call fcn.005e43d0
add esp, 0x24
test eax, eax
jne 0x671d3b
call fcn.0055b2b0
push str.ossl_sm2_encrypt
push 0xd2
push str.crypto_sm2_sm2_crypt.c
call fcn.0055b3b0
push 0
push 0x80006
jmp 0x67201d
xor edi, edi
test esi, esi
je 0x671e0b
mov edx, ebp
mov ebp, dword [esp + 0x78]
cmp esi, 0x40
jb 0x671dec
lea eax, [ebp - 1]
lea ecx, [edx - 1]
add eax, esi
add ecx, esi
cmp edx, eax
ja 0x671d6a
cmp ecx, ebp
jae 0x671dec
mov eax, esi
lea ecx, [ebp + 0x30]
and eax, 0xffffffc0
mov esi, ebp
sub esi, edx
mov dword [esp + 0x50], eax
mov dword [esp + 0x54], esi
lea eax, [edx + 0x10]
mov esi, dword [esp + 0x7c]
mov ebp, dword [esp + 0x54]
nop dword [eax]
movups xmm0, xmmword [eax - 0x10]
add edi, 0x40
lea ecx, [ecx + 0x40]
lea eax, [eax + 0x40]
movups xmm1, xmmword [ecx - 0x70]
pxor xmm1, xmm0
movups xmmword [eax - 0x50], xmm1
movups xmm0, xmmword [eax - 0x40]
movups xmm1, xmmword [eax + ebp - 0x40]
pxor xmm1, xmm0
movups xmmword [eax - 0x40], xmm1
movups xmm0, xmmword [eax - 0x30]
movups xmm1, xmmword [ecx - 0x50]
pxor xmm1, xmm0
movups xmm0, xmmword [ecx - 0x40]
movups xmmword [eax - 0x30], xmm1
movups xmm1, xmmword [eax - 0x20]
pxor xmm1, xmm0
movups xmmword [eax - 0x20], xmm1
cmp edi, dword [esp + 0x50]
jne 0x671d90
mov ebp, dword [esp + 0x78]
mov dword [esp + 0x54], edi
cmp edi, esi
je 0x671e09
lea ecx, [edi + edx]
sub ebp, edx
mov edx, esi
sub edx, edi
mov al, byte [ecx + ebp]
lea ecx, [ecx + 1]
xor byte [ecx - 1], al
sub edx, 1
jne 0x671df5
mov ebp, dword [esp + 0x20]
jmp 0x671e0b
mov ebp, edx
push dword [esp + 0x38]
push dword [esp + 0x78]
call fcn.00569bf0
add esp, 4
push eax
push dword [esp + 0x30]
call fcn.005441c0
add esp, 0xc
mov dword [esp + 0x44], eax
test eax, eax
jne 0x671e44
call fcn.0055b2b0
push str.ossl_sm2_encrypt
push 0xdb
jmp 0x67200c
mov edi, dword [esp + 0x10]
push eax
push edi
call fcn.00543960
add esp, 8
test eax, eax
je 0x671f8e
mov edi, dword [esp + 0x58]
push edi
push dword [esp + 0x18]
push dword [esp + 0x18]
call fcn.005439c0
add esp, 0xc
test eax, eax
je 0x671f8e
push esi
push dword [esp + 0x7c]
push dword [esp + 0x18]
call fcn.005439c0
add esp, 0xc
test eax, eax
je 0x671f8e
push edi
push dword [esp + 0x50]
mov edi, dword [esp + 0x18]
push edi
call fcn.005439c0
add esp, 0xc
test eax, eax
je 0x671f8e
push 0
push dword [esp + 0x28]
push edi
call fcn.00543680
add esp, 0xc
test eax, eax
je 0x671f8e
mov eax, dword [esp + 0x3c]
mov dword [esp + 0x5c], eax
mov eax, dword [esp + 0x40]
mov dword [esp + 0x60], eax
call fcn.00561590
mov dword [esp + 0x64], eax
call fcn.00561590
mov ecx, dword [esp + 0x64]
mov dword [esp + 0x68], eax
test ecx, ecx
je 0x671f7a
test eax, eax
je 0x671f7a
push dword [esp + 0x2c]
push dword [esp + 0x28]
push ecx
call fcn.0058e520
add esp, 0xc
test eax, eax
je 0x671f66
push esi
push ebp
push dword [esp + 0x70]
call fcn.0058e520
add esp, 0xc
test eax, eax
je 0x671f66
push 0x8415a0
lea eax, [esp + 0x84]
push eax
lea eax, [esp + 0x64]
push eax
call fcn.00566ef0
add esp, 0xc
test eax, eax
jns 0x671f50
call fcn.0055b2b0
push str.ossl_sm2_encrypt
push 0xf9
jmp 0x67200c
mov ecx, dword [esp + 0x84]
mov dword [esp + 0x48], 1
mov dword [ecx], eax
jmp 0x672027
call fcn.0055b2b0
push str.ossl_sm2_encrypt
push 0xf2
jmp 0x67200c
call fcn.0055b2b0
push str.ossl_sm2_encrypt
push 0xed
jmp 0x671cdd
call fcn.0055b2b0
push str.ossl_sm2_encrypt
push 0xe3
jmp 0x671d25
call fcn.0055b2b0
push str.ossl_sm2_encrypt
push 0xc5
jmp 0x67200c
call fcn.0055b2b0
push str.ossl_sm2_encrypt
push 0xbf
push str.crypto_sm2_sm2_crypt.c
call fcn.0055b3b0
push 0
push 0x80010
jmp 0x67201d
call fcn.0055b2b0
push str.ossl_sm2_encrypt
push 0xb0
jmp 0x671cdd
call fcn.0055b2b0
push str.ossl_sm2_encrypt
push 0x9c
jmp 0x671cdd
call fcn.0055b2b0
push str.ossl_sm2_encrypt
push 0x8e
push str.crypto_sm2_sm2_crypt.c
call fcn.0055b3b0
push 0
push 0xc0103
push 0x35
call fcn.0055b460
add esp, 0x18
push dword [esp + 0x44]
call fcn.005441f0
push dword [esp + 0x6c]
call fcn.00561480
push dword [esp + 0x6c]
call fcn.00561480
push 0x104
push str.crypto_sm2_sm2_crypt.c
push ebp
call fcn.0053bb50
push 0x105
push str.crypto_sm2_sm2_crypt.c
push dword [esp + 0x34]
call fcn.0053bb50
push 0x106
push str.crypto_sm2_sm2_crypt.c
push dword [esp + 0x50]
call fcn.0053bb50
push dword [esp + 0x40]
call fcn.00543f90
push ebx
call fcn.00585010
push dword [esp + 0x50]
call fcn.00577cc0
push dword [esp + 0x58]
call fcn.00577cc0
mov eax, dword [esp + 0x88]
add esp, 0x40
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x5c
ret