Function at 0x4999a0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0xc0
call fcn.004707b0
mov eax, dword [0x502770]
xor eax, esp
mov dword [esp + 0xbc], eax
mov eax, dword [esp + 0xc4]
mov dword [esp + 0x30], eax
mov eax, dword [esp + 0xcc]
push ebx
mov dword [esp + 4], eax
xor ebx, ebx
mov eax, dword [esp + 0xd8]
push ebp
mov dword [esp + 0x10], eax
xor ebp, ebp
mov eax, dword [esp + 0xe0]
push esi
mov esi, dword [esp + 0xdc]
mov dword [esp + 0x38], eax
mov eax, dword [esp + 0xec]
mov dword [esp + 0x10], eax
mov dword [esp + 0x28], 0xffffffff
mov dword [esp + 0x20], ebx
mov dword [esp + 0x2c], ebx
push edi
mov edi, dword [esp + 0xf4]
test eax, eax
jne 0x499a22
call fcn.00485d80
mov dword [esp + 0x14], eax
test edi, edi
push eax
cmove edi, eax
mov dword [esp + 0x3c], edi
call fcn.004795f0
add esp, 4
mov edi, eax
mov dword [esp + 0x20], edi
cmp dword [esp + 0xd8], ebx
jle 0x499e1b
test esi, esi
jle 0x499e1b
mov ecx, dword [esp + 0x18]
cmp ecx, esi
jl 0x499db9
lea eax, [edi*2 + 2]
cmp ecx, eax
jl 0x499db9
mov ebx, ecx
push 0x9b
sub ebx, edi
dec ebx
push str..crypto_rsa_rsa_oaep.c
push ebx
call fcn.00477cc0
mov ebp, eax
add esp, 0xc
mov dword [esp + 0x44], ebp
test ebp, ebp
jne 0x499ab0
push 0x9d
push str..crypto_rsa_rsa_oaep.c
push 0x41
push 0xa1
push 4
call fcn.00479000
mov eax, dword [esp + 0x40]
add esp, 0x14
jmp 0x499e1e
mov eax, dword [esp + 0x18]
cmp esi, eax
je 0x499b0e
push 0xa2
push str..crypto_rsa_rsa_oaep.c
push eax
call fcn.00477cc0
add esp, 0xc
mov dword [esp + 0x30], eax
test eax, eax
jne 0x499ae4
push 0xa5
push str..crypto_rsa_rsa_oaep.c
push 0x41
jmp 0x499dc5
push dword [esp + 0x18]
push 0
push eax
call fcn.0045a7c0
mov eax, dword [esp + 0x24]
push esi
push dword [esp + 0x20]
sub eax, esi
add eax, dword [esp + 0x44]
push eax
call fcn.0045a850
mov edx, dword [esp + 0x48]
add esp, 0x18
jmp 0x499b12
mov edx, dword [esp + 0x10]
movzx eax, byte [edx]
lea esi, [edx + 1]
push dword [esp + 0x38]
mov dword [esp + 0x2c], esi
push ebx
lea ecx, [eax - 1]
not eax
shr eax, 0x1f
shr ecx, 0x1f
and ecx, eax
lea eax, [edi + 1]
add eax, edx
neg ecx
push eax
mov dword [esp + 0x40], eax
lea eax, [esp + 0x58]
push edi
push eax
mov dword [esp + 0x30], ecx
call fcn.00499420
add esp, 0x14
test eax, eax
jne 0x499dd4
xor edx, edx
test edi, edi
jle 0x499c05
cmp edi, 0x20
jb 0x499beb
lea eax, [edi - 1]
lea ecx, [esp + edi + 0x4b]
add eax, esi
lea edi, [esp + 0x4c]
cmp edi, eax
mov edi, dword [esp + 0x20]
ja 0x499b80
cmp ecx, esi
jae 0x499beb
mov eax, edi
and eax, 0x8000001f
jns 0x499b8e
dec eax
or eax, 0xffffffe0
inc eax
mov ecx, edi
mov edi, esi
sub ecx, eax
lea eax, [esp + 0x4c]
mov ebp, eax
sub edi, ebp
mov dword [esp + 0x10], edi
lea edi, [esi + 0x10]
mov esi, dword [esp + 0x10]
mov dword [esp + 0x48], edi
mov edi, dword [esp + 0x20]
mov ebp, dword [esp + 0x48]
movdqu xmm0, xmmword [eax]
lea eax, [eax + 0x20]
movdqu xmm1, xmmword [esi + eax - 0x20]
pxor xmm1, xmm0
movdqu xmmword [eax - 0x20], xmm1
movdqu xmm1, xmmword [edx + ebp]
add edx, 0x20
movdqu xmm0, xmmword [eax - 0x10]
pxor xmm1, xmm0
movdqu xmmword [eax - 0x10], xmm1
cmp edx, ecx
jl 0x499bb3
mov ebp, dword [esp + 0x44]
mov esi, dword [esp + 0x28]
cmp edx, edi
jge 0x499c05
lea eax, [esp + 0x4c]
sub esi, eax
lea ecx, [esp + 0x4c]
add ecx, edx
inc edx
mov al, byte [esi + ecx]
xor byte [ecx], al
cmp edx, edi
jl 0x499bf5
push dword [esp + 0x38]
lea eax, [esp + 0x50]
push edi
push eax
push ebx
push ebp
call fcn.00499420
add esp, 0x14
test eax, eax
jne 0x499dd4
xor esi, esi
test ebx, ebx
jle 0x499cc6
cmp ebx, 0x20
jb 0x499ca5
mov ecx, dword [esp + 0x34]
lea edx, [ebp - 1]
add edx, ebx
lea eax, [ecx - 1]
add eax, ebx
cmp ebp, eax
ja 0x499c46
cmp edx, ecx
jae 0x499ca5
mov eax, ebx
and eax, 0x8000001f
jns 0x499c54
dec eax
or eax, 0xffffffe0
inc eax
mov dword [esp + 0x10], ecx
mov edx, ebx
sub dword [esp + 0x10], ebp
sub edx, eax
add ecx, 0x10
mov eax, ebp
mov dword [esp + 0x28], ecx
mov ecx, dword [esp + 0x10]
mov edi, dword [esp + 0x28]
movdqu xmm0, xmmword [eax]
lea eax, [eax + 0x20]
movdqu xmm1, xmmword [ecx + eax - 0x20]
pxor xmm1, xmm0
movdqu xmmword [eax - 0x20], xmm1
movdqu xmm1, xmmword [edi + esi]
add esi, 0x20
movdqu xmm0, xmmword [eax - 0x10]
pxor xmm1, xmm0
movdqu xmmword [eax - 0x10], xmm1
cmp esi, edx
jl 0x499c71
mov edi, dword [esp + 0x20]
cmp esi, ebx
jge 0x499cc6
mov edi, dword [esp + 0x34]
lea ecx, [esi + ebp]
mov edx, ebx
sub edi, ebp
sub edx, esi
mov al, byte [ecx + edi]
lea ecx, [ecx + 1]
xor byte [ecx - 1], al
dec edx
jne 0x499cb6
mov edi, dword [esp + 0x20]
push 0
push dword [esp + 0x18]
lea eax, [esp + 0x94]
push 0
push eax
push dword [esp + 0xfc]
push dword [esp + 0x50]
call fcn.004856e0
add esp, 0x18
test eax, eax
je 0x499dd4
push edi
lea eax, [esp + 0x90]
push eax
push ebp
call fcn.00478120
mov edx, dword [esp + 0x28]
add esp, 0xc
lea ecx, [eax - 1]
not eax
shr ecx, 0x1f
shr eax, 0x1f
and ecx, eax
neg ecx
and edx, ecx
xor ecx, ecx
mov dword [esp + 0x1c], edx
mov dword [esp + 0x14], ecx
cmp edi, ebx
jge 0x499d7c
movzx esi, byte [edi + ebp]
not ecx
mov eax, esi
xor eax, 1
lea edx, [eax - 1]
not eax
shr eax, 0x1f
shr edx, 0x1f
and edx, eax
neg edx
and ecx, edx
mov eax, ecx
and ecx, edi
not eax
inc edi
and eax, dword [esp + 0x24]
or eax, ecx
mov ecx, dword [esp + 0x14]
mov dword [esp + 0x24], eax
or ecx, edx
mov edx, dword [esp + 0x1c]
lea eax, [esi - 1]
shr eax, 0x1f
not esi
shr esi, 0x1f
and eax, esi
mov dword [esp + 0x14], ecx
neg eax
or eax, ecx
and edx, eax
mov dword [esp + 0x1c], edx
cmp edi, ebx
jl 0x499d26
test edx, ecx
je 0x499db9
mov eax, dword [esp + 0x24]
mov esi, ebx
inc eax
sub esi, eax
mov dword [esp + 0x2c], esi
cmp dword [esp + 0xd8], esi
jge 0x499e09
push 0xea
push str..crypto_rsa_rsa_oaep.c
push 0x6d
push 0xa1
push 4
call fcn.00479000
add esp, 0x14
mov dword [esp + 0x2c], 0xffffffff
push 0xf7
push str..crypto_rsa_rsa_oaep.c
push 0x79
push 0xa1
push 4
call fcn.00479000
add esp, 0x14
test ebp, ebp
je 0x499de8
push ebx
push ebp
call fcn.004068a0
push ebp
call fcn.00477c40
add esp, 0xc
mov ebx, dword [esp + 0x30]
test ebx, ebx
je 0x499e03
push dword [esp + 0x18]
push ebx
call fcn.004068a0
push ebx
call fcn.00477c40
add esp, 0xc
mov eax, dword [esp + 0x2c]
jmp 0x499e1e
push esi
add eax, ebp
push eax
push dword [esp + 0x48]
call fcn.0045a850
add esp, 0xc
jmp 0x499dd4
or eax, 0xffffffff
mov ecx, dword [esp + 0xcc]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.00454efc
add esp, 0xc0
ret