Function at 0x5b9920
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x54
push ebx
push esi
push edi
mov dword [ebp - 0x38], 0
call fcn.00520aa0
mov esi, dword [ebp + 8]
push esi
mov dword [ebp - 8], eax
call fcn.004b1b30
mov edi, eax
push edi
call fcn.0054a250
push esi
mov dword [ebp - 0x3c], eax
call fcn.00533650
push dword [ebp + 0xc]
xor ebx, ebx
mov dword [ebp - 0x40], eax
mov dword [ebp - 0x10], 0
mov dword [ebp - 0x14], 0
mov dword [ebp - 4], ebx
mov dword [ebp - 0x18], ebx
call fcn.00533770
add esp, 0x10
mov dword [ebp - 0x34], eax
mov dword [ebp - 0x48], ebx
mov dword [ebp - 0x4c], ebx
cmp dword [ebp - 8], ebx
je 0x5b9df3
test eax, eax
jle 0x5b9df3
push edi
call fcn.005b9360
add esp, 4
mov dword [ebp - 0x20], eax
test eax, eax
jne 0x5b99aa
push 0x93
jmp 0x5b9df8
push edi
call fcn.00549900
push edi
mov dword [ebp - 0x10], eax
call fcn.00549900
add esp, 8
mov dword [ebp - 0x14], eax
call fcn.00558380
mov esi, eax
mov dword [ebp - 0xc], esi
cmp dword [ebp - 0x10], ebx
je 0x5b9dd9
cmp dword [ebp - 0x14], ebx
je 0x5b9dd9
test esi, esi
je 0x5b9dd9
push esi
call fcn.005583f0
push esi
call fcn.00558310
push esi
mov dword [ebp - 0x1c], eax
call fcn.00558310
push esi
mov dword [ebp - 0x2c], eax
call fcn.00558310
push esi
mov dword [ebp - 0x24], eax
call fcn.00558310
push esi
mov dword [ebp - 0x30], eax
call fcn.00558310
add esp, 0x18
mov dword [ebp - 0x28], eax
test eax, eax
jne 0x5b9a3a
push 0xa7
push str.....crypto_sm2_sm2_crypt.c
push 3
push 0x67
push 0x35
call fcn.005288a0
add esp, 0x14
jmp 0x5b9e0d
mov eax, dword [ebp - 0x20]
push 0xab
add eax, eax
push str.....crypto_sm2_sm2_crypt.c
push eax
mov dword [ebp - 0x44], eax
call fcn.0051a060
push 0xac
push str.....crypto_sm2_sm2_crypt.c
push dword [ebp - 0x34]
mov dword [ebp - 4], eax
call fcn.0051a060
add esp, 0x18
mov dword [ebp - 0x18], eax
cmp dword [ebp - 4], ebx
je 0x5b9dd2
test eax, eax
je 0x5b9dd2
mov eax, dword [ebp + 0x1c]
push dword [eax]
push 0
push dword [ebp + 0x18]
call fcn.005e1720
push dword [ebp - 0x3c]
push dword [ebp - 0x1c]
call fcn.00577500
add esp, 0x14
test eax, eax
jne 0x5b9abc
push 0xb6
push str.....crypto_sm2_sm2_crypt.c
push 0x44
push 0x67
push 0x35
call fcn.005288a0
add esp, 0x14
jmp 0x5b9e0d
push esi
push 0
push 0
push dword [ebp - 0x1c]
push dword [ebp - 0x10]
push edi
call fcn.005498b0
add esp, 0x18
test eax, eax
je 0x5b9db8
push esi
push dword [ebp - 0x30]
push dword [ebp - 0x2c]
push dword [ebp - 0x10]
push edi
call fcn.00549640
add esp, 0x14
test eax, eax
je 0x5b9db8
push esi
push dword [ebp - 0x1c]
push dword [ebp - 0x40]
push 0
push dword [ebp - 0x14]
push edi
call fcn.005498b0
add esp, 0x18
test eax, eax
je 0x5b9db8
push esi
push dword [ebp - 0x28]
push dword [ebp - 0x24]
push dword [ebp - 0x14]
push edi
call fcn.00549640
add esp, 0x14
test eax, eax
je 0x5b9db8
mov edi, dword [ebp - 0x20]
push edi
push dword [ebp - 4]
push dword [ebp - 0x24]
call fcn.0051cc20
add esp, 0xc
test eax, eax
js 0x5b9d9e
mov eax, dword [ebp - 4]
add eax, edi
push edi
push eax
push dword [ebp - 0x28]
mov dword [ebp - 0x40], eax
call fcn.0051cc20
add esp, 0xc
test eax, eax
js 0x5b9d9e
mov edi, dword [ebp + 0x14]
push 0xc8
push str.....crypto_sm2_sm2_crypt.c
push edi
call fcn.0051a060
mov ebx, eax
add esp, 0xc
mov dword [ebp - 0x1c], ebx
test ebx, ebx
jne 0x5b9b8b
push 0xca
jmp 0x5b9dde
push dword [ebp + 0xc]
push 0
push 0
push dword [ebp - 0x44]
push dword [ebp - 4]
push edi
push ebx
call fcn.005b87c0
add esp, 0x1c
test eax, eax
jne 0x5b9bc3
push 0xd1
push str.....crypto_sm2_sm2_crypt.c
push 6
push 0x67
push 0x35
call fcn.005288a0
add esp, 0x14
jmp 0x5b9e0d
xor edx, edx
test edi, edi
je 0x5b9c51
mov esi, dword [ebp + 0x10]
cmp edi, 0x20
jb 0x5b9c30
lea eax, [esi - 1]
lea ecx, [edi - 1]
add eax, edi
add ecx, ebx
cmp ebx, eax
ja 0x5b9be7
cmp ecx, esi
jae 0x5b9c30
mov ecx, edi
sub esi, ebx
mov edi, dword [ebp + 0x10]
and ecx, 0xffffffe0
add edi, 0x10
mov eax, ebx
mov dword [ebp - 0x44], edi
mov edi, dword [ebp + 0x14]
mov ebx, dword [ebp - 0x44]
nop
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 [ebx + edx]
add edx, 0x20
movups xmm0, xmmword [eax - 0x10]
pxor xmm1, xmm0
movups xmmword [eax - 0x10], xmm1
cmp edx, ecx
jne 0x5b9c00
mov ebx, dword [ebp - 0x1c]
mov esi, dword [ebp + 0x10]
cmp edx, edi
je 0x5b9c51
lea ecx, [edx + ebx]
mov ebx, esi
sub ebx, dword [ebp - 0x1c]
mov esi, edi
sub esi, edx
mov al, byte [ecx + ebx]
lea ecx, [ecx + 1]
xor byte [ecx - 1], al
sub esi, 1
jne 0x5b9c40
mov ebx, dword [ebp - 0x1c]
push dword [ebp + 0xc]
mov esi, dword [ebp - 8]
push esi
call fcn.005206c0
add esp, 8
test eax, eax
je 0x5b9d81
mov esi, dword [ebp - 0x20]
push esi
push dword [ebp - 4]
push dword [ebp - 8]
call fcn.00520890
add esp, 0xc
test eax, eax
je 0x5b9d81
push edi
push dword [ebp + 0x10]
push dword [ebp - 8]
call fcn.00520890
add esp, 0xc
test eax, eax
je 0x5b9d81
push esi
push dword [ebp - 0x40]
mov esi, dword [ebp - 8]
push esi
call fcn.00520890
add esp, 0xc
test eax, eax
je 0x5b9d81
push 0
push dword [ebp - 0x18]
push esi
call fcn.00520580
add esp, 0xc
test eax, eax
je 0x5b9d81
mov eax, dword [ebp - 0x2c]
mov dword [ebp - 0x54], eax
mov eax, dword [ebp - 0x30]
mov dword [ebp - 0x50], eax
call fcn.0051e280
mov dword [ebp - 0x4c], eax
call fcn.0051e280
mov ecx, dword [ebp - 0x4c]
mov dword [ebp - 0x48], eax
test ecx, ecx
je 0x5b9d61
test eax, eax
je 0x5b9d61
push dword [ebp - 0x34]
push dword [ebp - 0x18]
push ecx
call fcn.00594180
add esp, 0xc
test eax, eax
je 0x5b9d41
push edi
push ebx
push dword [ebp - 0x48]
call fcn.00594180
add esp, 0xc
test eax, eax
je 0x5b9d41
lea eax, [ebp + 0x18]
push eax
lea eax, [ebp - 0x54]
push eax
call fcn.005b93e0
add esp, 8
test eax, eax
jns 0x5b9d2d
push 0xf3
jmp 0x5b9d46
mov ecx, dword [ebp + 0x1c]
mov esi, dword [ebp - 0xc]
mov dword [ebp - 0x38], 1
mov dword [ecx], eax
jmp 0x5b9e0d
push 0xec
push str.....crypto_sm2_sm2_crypt.c
push 0x44
push 0x67
push 0x35
call fcn.005288a0
mov esi, dword [ebp - 0xc]
add esp, 0x14
jmp 0x5b9e0d
push 0xe7
push str.....crypto_sm2_sm2_crypt.c
push 0x41
push 0x67
push 0x35
call fcn.005288a0
mov esi, dword [ebp - 0xc]
add esp, 0x14
jmp 0x5b9e0d
push 0xdd
push str.....crypto_sm2_sm2_crypt.c
push 6
push 0x67
push 0x35
call fcn.005288a0
mov esi, dword [ebp - 0xc]
add esp, 0x14
jmp 0x5b9e0d
push 0xc4
push str.....crypto_sm2_sm2_crypt.c
push 0x44
push 0x67
push 0x35
call fcn.005288a0
add esp, 0x14
jmp 0x5b9e0d
push 0xbe
push str.....crypto_sm2_sm2_crypt.c
push 0x10
push 0x67
push 0x35
call fcn.005288a0
add esp, 0x14
jmp 0x5b9e0d
push 0xaf
jmp 0x5b9dde
push 0x9b
push str.....crypto_sm2_sm2_crypt.c
push 0x41
push 0x67
push 0x35
call fcn.005288a0
add esp, 0x14
jmp 0x5b9e0d
push 0x8d
push str.....crypto_sm2_sm2_crypt.c
push 0x44
push 0x67
push 0x35
call fcn.005288a0
add esp, 0x14
xor esi, esi
push dword [ebp - 0x48]
call fcn.0054bc20
push dword [ebp - 0x4c]
call fcn.0054bc20
push 0xfd
push str.....crypto_sm2_sm2_crypt.c
push ebx
call fcn.00519f50
push 0xfe
push str.....crypto_sm2_sm2_crypt.c
push dword [ebp - 4]
call fcn.00519f50
push 0xff
push str.....crypto_sm2_sm2_crypt.c
push dword [ebp - 0x18]
call fcn.00519f50
push dword [ebp - 8]
call fcn.00520a80
push esi
call fcn.005582e0
push dword [ebp - 0x10]
call fcn.00549610
push dword [ebp - 0x14]
call fcn.00549610
mov eax, dword [ebp - 0x38]
add esp, 0x3c
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret