Function at 0x54d880
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0xb0
call fcn.005a9580
mov eax, dword [0x68da90]
xor eax, esp
mov dword [esp + 0xac], eax
mov eax, dword [esp + 0xb4]
mov ecx, dword [esp + 0xd0]
push ebx
mov ebx, dword [esp + 0xc4]
mov dword [esp + 0x2c], eax
mov eax, dword [esp + 0xc0]
push ebp
mov dword [esp + 8], eax
xor ebp, ebp
mov eax, dword [esp + 0xd0]
push esi
mov esi, dword [esp + 0xd0]
mov dword [esp + 0x30], eax
xor eax, eax
mov dword [esp + 0x1c], ebx
mov dword [esp + 0x14], ecx
mov dword [esp + 0x24], 0
mov dword [esp + 0x18], eax
push edi
mov edi, dword [esp + 0xe4]
test ecx, ecx
jne 0x54d900
call fcn.0051adb0
mov ecx, eax
mov dword [esp + 0x18], eax
test edi, edi
push ecx
cmove edi, ecx
mov dword [esp + 0x34], edi
call fcn.004d04f0
add esp, 4
mov edi, eax
mov dword [esp + 0x24], edi
cmp dword [esp + 0xc8], ebp
jle 0x54dcab
test ebx, ebx
jle 0x54dcab
cmp esi, ebx
jl 0x54dc39
lea eax, [edi*2 + 2]
cmp esi, eax
jl 0x54dc39
mov ebx, esi
push 0x97
sub ebx, edi
dec ebx
push str..crypto_rsa_rsa_oaep.c
push ebx
mov dword [esp + 0x20], ebx
call fcn.004f28d0
push 0x98
push str..crypto_rsa_rsa_oaep.c
push esi
mov ebp, eax
call fcn.004f28d0
add esp, 0x18
mov dword [esp + 0x1c], eax
test ebp, ebp
je 0x54dc6b
test eax, eax
je 0x54dc6b
push esi
push 0
push eax
call fcn.005c1b40
mov eax, dword [esp + 0x2c]
sub esi, eax
add esi, dword [esp + 0x28]
push eax
push dword [esp + 0x20]
push esi
call fcn.005c20e0
mov edx, dword [esp + 0x34]
push dword [esp + 0x48]
push ebx
movzx eax, byte [edx]
lea esi, [edx + 1]
lea ecx, [eax - 1]
not eax
shr eax, 0x1f
shr ecx, 0x1f
and ecx, eax
lea eax, [edx + 1]
add eax, edi
neg ecx
push eax
mov dword [esp + 0x44], eax
lea eax, [esp + 0x60]
push edi
push eax
mov dword [esp + 0x3c], ecx
call fcn.0054d390
add esp, 0x2c
test eax, eax
jne 0x54dc86
xor edx, edx
test edi, edi
jle 0x54da90
cmp edi, 0x20
jb 0x54da6f
lea eax, [esi - 1]
lea ebx, [esp + 0x3c]
add eax, edi
cmp ebx, eax
lea ecx, [esp + edi + 0x3b]
mov ebx, dword [esp + 0x14]
ja 0x54da0e
cmp ecx, esi
jae 0x54da6f
mov eax, edi
and eax, 0x8000001f
jns 0x54da1c
dec eax
or eax, 0xffffffe0
inc eax
mov ecx, edi
mov edi, esi
sub ecx, eax
lea eax, [esp + 0x3c]
mov ebx, eax
sub edi, ebx
mov dword [esp + 0x2c], edi
mov edi, dword [esp + 0x24]
mov ebx, dword [esp + 0x2c]
nop word [eax + eax]
movups xmm0, xmmword [eax]
lea eax, [eax + 0x20]
movups xmm1, xmmword [ebx + eax - 0x20]
pxor xmm1, xmm0
movups xmmword [eax - 0x20], xmm1
movups xmm1, xmmword [esi + edx + 0x10]
add edx, 0x20
movups xmm0, xmmword [eax - 0x10]
pxor xmm1, xmm0
movups xmmword [eax - 0x10], xmm1
cmp edx, ecx
jl 0x54da40
mov ebx, dword [esp + 0x14]
cmp edx, edi
jge 0x54da90
lea eax, [esp + 0x3c]
sub esi, eax
nop dword [eax]
lea ecx, [esp + 0x3c]
add ecx, edx
inc edx
mov al, byte [esi + ecx]
xor byte [ecx], al
cmp edx, edi
jl 0x54da80
push dword [esp + 0x30]
lea eax, [esp + 0x40]
push edi
push eax
push ebx
push ebp
call fcn.0054d390
add esp, 0x14
test eax, eax
jne 0x54dc86
xor esi, esi
test ebx, ebx
jle 0x54db52
cmp ebx, 0x20
jb 0x54db2e
mov ecx, dword [esp + 0x20]
lea edx, [ebp - 1]
add edx, ebx
lea eax, [ecx - 1]
add eax, ebx
cmp ebp, eax
ja 0x54dad1
cmp edx, ecx
jae 0x54db2e
mov eax, ebx
and eax, 0x8000001f
jns 0x54dadf
dec eax
or eax, 0xffffffe0
inc eax
mov dword [esp + 0x14], ecx
mov edx, ebx
sub dword [esp + 0x14], ebp
sub edx, eax
add ecx, 0x10
mov eax, ebp
mov dword [esp + 0x2c], ecx
mov ecx, dword [esp + 0x14]
mov edi, dword [esp + 0x2c]
nop dword [eax]
movups xmm0, xmmword [eax]
lea eax, [eax + 0x20]
movups xmm1, xmmword [ecx + eax - 0x20]
pxor xmm1, xmm0
movups xmmword [eax - 0x20], xmm1
movups xmm1, xmmword [edi + esi]
add esi, 0x20
movups xmm0, xmmword [eax - 0x10]
pxor xmm1, xmm0
movups xmmword [eax - 0x10], xmm1
cmp esi, edx
jl 0x54db00
mov edi, dword [esp + 0x24]
cmp esi, ebx
jge 0x54db52
mov edi, dword [esp + 0x20]
lea ecx, [esi + ebp]
mov edx, ebx
sub edi, ebp
sub edx, esi
nop
mov al, byte [ecx + edi]
lea ecx, [ecx + 1]
xor byte [ecx - 1], al
sub edx, 1
jne 0x54db40
mov edi, dword [esp + 0x24]
push 0
push dword [esp + 0x1c]
lea eax, [esp + 0x84]
push 0
push eax
push dword [esp + 0xec]
push dword [esp + 0x48]
call fcn.004cfaf0
add esp, 0x18
test eax, eax
je 0x54dc86
push edi
lea eax, [esp + 0x80]
push eax
push ebp
call fcn.004f2e10
mov edx, dword [esp + 0x1c]
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 + 0x10], edx
mov dword [esp + 0x18], ecx
cmp edi, ebx
jge 0x54dc08
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 + 0x28]
or eax, ecx
mov ecx, dword [esp + 0x18]
mov dword [esp + 0x28], eax
or ecx, edx
mov edx, dword [esp + 0x10]
lea eax, [esi - 1]
shr eax, 0x1f
not esi
shr esi, 0x1f
and eax, esi
mov dword [esp + 0x18], ecx
neg eax
or eax, ecx
and edx, eax
mov dword [esp + 0x10], edx
cmp edi, ebx
jl 0x54dbb2
test edx, ecx
je 0x54dc39
mov eax, dword [esp + 0x28]
mov esi, ebx
inc eax
sub esi, eax
cmp dword [esp + 0xc8], esi
jge 0x54dc59
push 0xdd
push str..crypto_rsa_rsa_oaep.c
push 0x6d
push 0xa1
push 4
call fcn.004f4160
add esp, 0x14
or esi, 0xffffffff
push 0xea
push str..crypto_rsa_rsa_oaep.c
push 0x79
push 0xa1
push 4
call fcn.004f4160
add esp, 0x14
jmp 0x54dc89
push esi
add eax, ebp
push eax
push dword [esp + 0x40]
call fcn.005c20e0
add esp, 0xc
jmp 0x54dc89
push 0x9a
push str..crypto_rsa_rsa_oaep.c
push 0x41
push 0xa1
push 4
call fcn.004f4160
add esp, 0x14
or esi, 0xffffffff
test ebp, ebp
je 0x54dc96
push ebp
call fcn.004f2850
add esp, 4
mov eax, dword [esp + 0x1c]
test eax, eax
je 0x54dca7
push eax
call fcn.004f2850
add esp, 4
mov eax, esi
jmp 0x54dcae
or eax, 0xffffffff
mov ecx, dword [esp + 0xbc]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.005a8a55
add esp, 0xb0
ret