Function at 0x4b1020
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x2c
call fcn.005c7560
push ebx
push edi
xor edi, edi
mov dword [esp + 8], edi
mov dword [esp + 0xc], edi
cmp dword [esp + 0x48], edi
jne 0x4b1044
mov eax, dword [esp + 0x44]
mov dword [esp + 0x48], eax
mov ecx, dword [esp + 0x44]
push ecx
call fcn.00420d10
mov ebx, eax
add esp, 4
mov dword [esp + 0x10], ebx
cmp ebx, edi
jl 0x4b129a
push esi
mov esi, dword [esp + 0x50]
cmp esi, 0xffffffff
jne 0x4b1102
mov esi, ebx
mov edi, dword [esp + 0x3c]
mov edx, dword [edi + 0x10]
push ebp
push edx
call fcn.004012d0
lea ebp, [eax - 1]
and ebp, 7
push edi
mov dword [esp + 0x28], ebp
call fcn.00469d20
add esp, 8
mov edi, eax
test ebp, ebp
mov ebp, dword [esp + 0x44]
mov dword [esp + 0x1c], edi
jne 0x4b10a8
mov byte [ebp], 0
inc ebp
dec edi
mov dword [esp + 0x1c], edi
cmp esi, 0xfffffffe
jne 0x4b1139
mov esi, edi
sub esi, ebx
sub esi, 2
test esi, esi
jle 0x4b1165
push 0xe9
push str..crypto_rsa_rsa_pss.c
push esi
call fcn.00401080
add esp, 0xc
mov dword [esp + 0x14], eax
test eax, eax
jne 0x4b1153
push 0xec
push str..crypto_rsa_rsa_pss.c
push 0x41
push 0x94
push 4
call fcn.004082b0
add esp, 0x14
mov eax, dword [esp + 0x10]
pop ebp
pop esi
pop edi
pop ebx
add esp, 0x2c
ret
cmp esi, 0xfffffffe
jne 0x4b110c
jmp 0x4b106f
jge 0x4b106f
push 0xd7
push str..crypto_rsa_rsa_pss.c
push 0x88
push 0x94
push 4
call fcn.004082b0
add esp, 0x14
pop esi
mov eax, edi
pop edi
pop ebx
add esp, 0x2c
ret
lea eax, [ebx + esi + 2]
cmp edi, eax
jge 0x4b10b8
push 0xe5
push str..crypto_rsa_rsa_pss.c
push 0x6e
jmp 0x4b10e7
push esi
push eax
call fcn.004207f0
add esp, 8
test eax, eax
jle 0x4b1279
lea ecx, [esp + 0x24]
sub edi, ebx
push ecx
lea ebx, [edi - 1]
call fcn.00463b20
mov edx, dword [esp + 0x50]
push 0
push edx
lea eax, [esp + 0x30]
push eax
call fcn.00463b70
add esp, 0x10
test eax, eax
je 0x4b1279
push 8
lea ecx, [esp + 0x28]
push 0x65e298
push ecx
call fcn.00463d20
add esp, 0xc
test eax, eax
je 0x4b1279
mov edx, dword [esp + 0x18]
mov eax, dword [esp + 0x48]
push edx
push eax
lea ecx, [esp + 0x2c]
push ecx
call fcn.00463d20
add esp, 0xc
test eax, eax
je 0x4b1279
test esi, esi
je 0x4b11ea
mov edx, dword [esp + 0x14]
push esi
push edx
lea eax, [esp + 0x2c]
push eax
call fcn.00463d20
add esp, 0xc
test eax, eax
je 0x4b1279
push 0
lea eax, [ebx + ebp]
push eax
lea ecx, [esp + 0x2c]
push ecx
call fcn.00463d30
add esp, 0xc
test eax, eax
je 0x4b1279
lea edx, [esp + 0x24]
push edx
call fcn.00463db0
mov eax, dword [esp + 0x54]
mov ecx, dword [esp + 0x1c]
push eax
push ecx
lea eax, [ebx + ebp]
push eax
push ebx
push ebp
call fcn.004b1e60
add esp, 0x18
test eax, eax
jne 0x4b1279
sub edi, esi
xor byte [edi + ebp - 2], 1
lea eax, [edi + ebp - 2]
inc eax
test esi, esi
jle 0x4b124f
xor ecx, ecx
test esi, esi
jle 0x4b124f
lea ecx, [ecx]
mov edx, dword [esp + 0x14]
mov dl, byte [ecx + edx]
xor byte [eax], dl
inc ecx
inc eax
cmp ecx, esi
jl 0x4b1240
mov eax, dword [esp + 0x20]
test eax, eax
je 0x4b1268
mov ecx, 8
sub ecx, eax
mov eax, 0xff
sar eax, cl
and byte [ebp], al
mov ecx, dword [esp + 0x1c]
mov byte [ecx + ebp - 1], 0xbc
mov dword [esp + 0x10], 1
mov eax, dword [esp + 0x14]
test eax, eax
je 0x4b10f6
push eax
call fcn.00401230
mov eax, dword [esp + 0x14]
add esp, 4
pop ebp
pop esi
pop edi
pop ebx
add esp, 0x2c
ret
mov eax, edi
pop edi
pop ebx
add esp, 0x2c
ret