Function at 0x54c920
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0xb0
call fcn.004de730
mov eax, dword [0x624394]
xor eax, esp
mov dword [esp + 0xac], eax
mov eax, dword [esp + 0xb4]
xor ecx, ecx
mov dword [esp + 0x20], eax
mov eax, dword [esp + 0xbc]
push ebx
mov ebx, dword [esp + 0xc4]
mov dword [esp + 4], eax
mov eax, dword [esp + 0xc8]
push ebp
mov dword [esp + 0x1c], eax
xor ebp, ebp
mov eax, dword [esp + 0xd0]
push esi
mov dword [esp + 0x34], eax
or esi, 0xffffffff
mov eax, dword [esp + 0xdc]
mov dword [esp + 0x24], ebx
mov dword [esp + 0x14], eax
mov dword [esp + 0x28], 0
mov dword [esp + 0x1c], ecx
push edi
mov edi, dword [esp + 0xe4]
test eax, eax
jne 0x54c9a5
call fcn.0050ead0
mov dword [esp + 0x18], eax
test edi, edi
push eax
cmove edi, eax
mov dword [esp + 0x18], edi
call fcn.0051f840
add esp, 4
mov edi, eax
mov dword [esp + 0x1c], edi
cmp dword [esp + 0xc8], ebp
jle 0x54cd5f
test ebx, ebx
jle 0x54cd5f
mov ecx, dword [esp + 0x24]
cmp ecx, ebx
jl 0x54cd0a
lea eax, [edi*2 + 2]
cmp ecx, eax
jl 0x54cd0a
mov ebx, ecx
push 0x9b
sub ebx, edi
dec ebx
push str..crypto_rsa_rsa_oaep.c
push ebx
call fcn.005081f0
push 0x9c
push str..crypto_rsa_rsa_oaep.c
push dword [esp + 0x38]
mov ebp, eax
call fcn.005081f0
add esp, 0x18
mov dword [esp + 0x20], eax
test ebp, ebp
je 0x54cced
test eax, eax
je 0x54cced
mov esi, dword [esp + 0x24]
push esi
push 0
push eax
call fcn.004e0970
mov ecx, dword [esp + 0x34]
sub esi, ecx
add esi, dword [esp + 0x2c]
push ecx
push dword [esp + 0x20]
push esi
call fcn.004e0bc0
mov edx, dword [esp + 0x38]
push dword [esp + 0x2c]
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 + 0x4c], eax
lea eax, [esp + 0x60]
push edi
push eax
mov dword [esp + 0x3c], ecx
call fcn.0054c3d0
add esp, 0x2c
test eax, eax
jne 0x54cd29
xor edx, edx
test edi, edi
jle 0x54cb30
cmp edi, 0x20
jb 0x54cb14
lea eax, [esi - 1]
add eax, edi
lea ecx, [esp + edi + 0x3b]
lea edi, [esp + 0x3c]
cmp edi, eax
mov edi, dword [esp + 0x1c]
ja 0x54caba
cmp ecx, esi
jae 0x54cb14
mov eax, edi
and eax, 0x8000001f
jns 0x54cac8
dec eax
or eax, 0xffffffe0
inc eax
mov ecx, edi
mov edi, esi
sub ecx, eax
lea eax, [esp + 0x3c]
sub edi, eax
nop dword [eax]
nop dword [eax + eax]
movups xmm0, xmmword [esp + edx + 0x3c]
lea eax, [edi + edx]
movups xmm1, xmmword [esp + eax + 0x3c]
pxor xmm1, xmm0
movups xmmword [esp + edx + 0x3c], xmm1
movups xmm1, xmmword [esi + edx + 0x10]
movups xmm0, xmmword [esp + edx + 0x4c]
pxor xmm1, xmm0
movups xmmword [esp + edx + 0x4c], xmm1
add edx, 0x20
cmp edx, ecx
jl 0x54cae0
mov edi, dword [esp + 0x1c]
cmp edx, edi
jge 0x54cb30
lea eax, [esp + 0x3c]
sub esi, eax
nop
lea ecx, [esp + 0x3c]
add ecx, edx
inc edx
mov al, byte [esi + ecx]
xor byte [ecx], al
cmp edx, edi
jl 0x54cb20
push dword [esp + 0x14]
lea eax, [esp + 0x40]
push edi
push eax
push ebx
push ebp
call fcn.0054c3d0
add esp, 0x14
test eax, eax
jne 0x54cd29
xor edx, edx
test ebx, ebx
jle 0x54cbf2
cmp ebx, 0x20
jb 0x54cbce
mov ecx, dword [esp + 0x28]
lea esi, [ebp - 1]
add esi, ebx
lea eax, [ecx - 1]
add eax, ebx
cmp ebp, eax
ja 0x54cb71
cmp esi, ecx
jae 0x54cbce
mov eax, ebx
and eax, 0x8000001f
jns 0x54cb7f
dec eax
or eax, 0xffffffe0
inc eax
mov dword [esp + 0x14], ecx
mov esi, ebx
sub dword [esp + 0x14], ebp
sub esi, eax
add ecx, 0x10
mov eax, ebp
mov dword [esp + 0x34], ecx
mov ecx, dword [esp + 0x14]
mov edi, dword [esp + 0x34]
nop dword [eax]
movups xmm0, xmmword [eax]
lea eax, [eax + 0x20]
movups xmm1, xmmword [eax + ecx - 0x20]
pxor xmm1, xmm0
movups xmmword [eax - 0x20], xmm1
movups xmm1, xmmword [edi + edx]
add edx, 0x20
movups xmm0, xmmword [eax - 0x10]
pxor xmm1, xmm0
movups xmmword [eax - 0x10], xmm1
cmp edx, esi
jl 0x54cba0
mov edi, dword [esp + 0x1c]
cmp edx, ebx
jge 0x54cbf2
mov edi, dword [esp + 0x28]
lea ecx, [edx + ebp]
mov esi, ebx
sub edi, ebp
sub esi, edx
nop
mov al, byte [ecx + edi]
lea ecx, [ecx + 1]
xor byte [ecx - 1], al
sub esi, 1
jne 0x54cbe0
mov edi, dword [esp + 0x1c]
push 0
push dword [esp + 0x1c]
lea eax, [esp + 0x84]
push 0
push eax
push dword [esp + 0xec]
push dword [esp + 0x4c]
call fcn.0050e3f0
add esp, 0x18
test eax, eax
je 0x54cd29
push edi
lea eax, [esp + 0x80]
push eax
push ebp
call fcn.0051b8a0
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 0x54cca8
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 + 0x2c]
or eax, ecx
mov ecx, dword [esp + 0x18]
mov dword [esp + 0x2c], 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 0x54cc52
test edx, ecx
je 0x54cd0e
mov eax, dword [esp + 0x2c]
mov esi, ebx
inc eax
sub esi, eax
cmp dword [esp + 0xc8], esi
jge 0x54ccdb
push 0xe1
push str..crypto_rsa_rsa_oaep.c
push 0x6d
push 0xa1
push 4
call fcn.00514f30
add esp, 0x14
jmp 0x54cd0e
push esi
add eax, ebp
push eax
push dword [esp + 0x38]
call fcn.004e0bc0
add esp, 0xc
jmp 0x54cd2c
push 0x9e
push str..crypto_rsa_rsa_oaep.c
push 0x41
push 0xa1
push 4
call fcn.00514f30
add esp, 0x14
jmp 0x54cd2c
mov ebx, dword [esp + 0x30]
push 0xee
push str..crypto_rsa_rsa_oaep.c
push 0x79
push 0xa1
push 4
call fcn.00514f30
add esp, 0x14
or esi, 0xffffffff
test ebp, ebp
je 0x54cd40
push ebx
push ebp
call fcn.00401360
push ebp
call fcn.00508170
add esp, 0xc
mov ebx, dword [esp + 0x20]
test ebx, ebx
je 0x54cd5b
push dword [esp + 0x24]
push ebx
call fcn.00401360
push ebx
call fcn.00508170
add esp, 0xc
mov eax, esi
jmp 0x54cd62
or eax, 0xffffffff
mov ecx, dword [esp + 0xbc]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004dda5e
add esp, 0xb0
ret