Function at 0x51cc10
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x24
call fcn.005b9060
cmp dword [esp + 0x2c], 0
push esi
mov dword [esp + 8], 0
jle 0x51cff7
mov esi, dword [esp + 0x38]
test esi, esi
jle 0x51cff7
push ebx
mov ebx, dword [esp + 0x40]
cmp esi, ebx
jg 0x51cfdc
cmp ebx, 0xb
jl 0x51cfdc
push ebp
push 0x4e
push str.crypto_rsa_rsa_ssl.c
push ebx
call fcn.004bc3b0
mov ebp, eax
add esp, 0xc
test ebp, ebp
jne 0x51cc81
push eax
push eax
push 0x41
push 0x72
push 4
call fcn.004b41c0
add esp, 0x14
or eax, 0xffffffff
pop ebp
pop ebx
pop esi
add esp, 0x24
ret
mov edx, dword [esp + 0x3c]
add ebp, ebx
add edx, esi
mov dword [esp + 0x1c], ebp
push edi
test ebx, ebx
jle 0x51ccbe
mov edi, ebx
mov eax, esi
lea ecx, [esi - 1]
not eax
shr ecx, 0x1f
shr eax, 0x1f
dec ebp
and ecx, eax
dec ecx
mov eax, ecx
and eax, 1
sub edx, eax
sub esi, eax
mov al, byte [edx]
and al, cl
mov byte [ebp], al
sub edi, 1
jne 0x51cc94
mov dword [esp + 0x20], ebp
movzx eax, byte [ebp + 1]
xor esi, esi
movzx ecx, byte [ebp]
xor eax, 2
mov edi, 2
lea edx, [eax - 1]
not eax
shr eax, 0x1f
shr edx, 0x1f
and edx, eax
lea eax, [ecx - 1]
shr eax, 0x1f
not ecx
shr ecx, 0x1f
neg edx
and eax, ecx
neg eax
and edx, eax
mov dword [esp + 0x1c], edx
mov eax, edx
not eax
mov dword [esp + 0x10], edx
mov dword [esp + 0x24], eax
mov eax, dword [esp + 0x1c]
mov eax, dword [esp + 0x24]
and eax, 0x6b
mov dword [esp + 0x1c], esi
mov dword [esp + 0x30], eax
xor eax, eax
mov dword [esp + 0x18], eax
cmp ebx, edi
jle 0x51cd95
or esi, 0xffffffff
movzx eax, byte [edi + ebp]
lea edx, [eax - 1]
not eax
shr eax, 0x1f
shr edx, 0x1f
and edx, eax
neg edx
and esi, edx
mov dword [esp + 0x28], esi
not esi
mov dword [esp + 0x2c], esi
mov ecx, dword [esp + 0x28]
mov eax, dword [esp + 0x2c]
and ecx, edi
and eax, dword [esp + 0x14]
or eax, ecx
mov ecx, dword [esp + 0x18]
mov dword [esp + 0x14], eax
or ecx, edx
movzx eax, byte [edi + ebp]
mov esi, ecx
xor eax, 3
mov dword [esp + 0x18], ecx
not esi
inc edi
lea ecx, [eax - 1]
not eax
shr ecx, 0x1f
shr eax, 0x1f
and ecx, eax
mov eax, esi
neg ecx
and eax, 1
add eax, dword [esp + 0x1c]
or ecx, dword [esp + 0x18]
and ecx, eax
mov dword [esp + 0x1c], ecx
cmp edi, ebx
jl 0x51cd20
mov edx, dword [esp + 0x10]
mov esi, ecx
mov ecx, dword [esp + 0x14]
lea eax, [ecx - 0xa]
or eax, ecx
xor eax, ecx
shr eax, 0x1f
dec eax
and edx, eax
mov dword [esp + 0x10], edx
or edx, dword [esp + 0x24]
mov dword [esp + 0x2c], edx
not edx
mov dword [esp + 0x28], edx
mov eax, dword [esp + 0x2c]
and eax, dword [esp + 0x30]
mov edx, dword [esp + 0x28]
mov edi, dword [esp + 0x10]
and edx, 0x71
or edx, eax
mov ecx, edi
lea eax, [esi - 8]
not ecx
or eax, esi
xor eax, esi
shr eax, 0x1f
neg eax
and edi, eax
mov eax, edi
mov dword [esp + 0x10], edi
or eax, ecx
mov ecx, dword [esp + 0x3c]
mov dword [esp + 0x30], eax
not eax
mov dword [esp + 0x2c], eax
mov eax, dword [esp + 0x30]
mov esi, dword [esp + 0x2c]
and eax, edx
mov edx, edi
and esi, 0x73
or esi, eax
mov edi, ebx
sub edi, dword [esp + 0x14]
not edx
dec edi
sub ecx, edi
mov dword [esp + 0x24], edi
xor ecx, edi
mov eax, edi
xor eax, dword [esp + 0x3c]
or ecx, eax
mov eax, dword [esp + 0x10]
xor ecx, dword [esp + 0x3c]
shr ecx, 0x1f
dec ecx
and eax, ecx
mov dword [esp + 0x10], eax
or eax, edx
mov dword [esp + 0x30], eax
not eax
mov dword [esp + 0x2c], eax
mov eax, dword [esp + 0x30]
mov ecx, dword [esp + 0x2c]
and eax, esi
mov esi, dword [esp + 0x3c]
and ecx, 0x6d
or ecx, eax
mov dword [esp + 0x1c], ecx
lea ecx, [ebx - 0xb]
mov edx, ecx
mov eax, ecx
sub edx, esi
xor eax, esi
xor edx, esi
or edx, eax
xor edx, ecx
lea ecx, [ebx - 0xb]
shr edx, 0x1f
neg edx
mov dword [esp + 0x3c], edx
not edx
mov dword [esp + 0x30], edx
mov eax, dword [esp + 0x3c]
mov edx, dword [esp + 0x30]
and eax, ecx
and edx, esi
mov esi, 1
or edx, eax
mov dword [esp + 0x3c], edx
cmp ecx, esi
jle 0x51cf13
mov eax, ebx
sub eax, edi
add eax, 0xfffffff5
mov dword [esp + 0x28], eax
and eax, esi
mov edi, ebx
sub edi, esi
lea ecx, [eax - 1]
not eax
shr ecx, 0x1f
shr eax, 0x1f
and ecx, eax
dec ecx
cmp edi, 0xb
jle 0x51cefe
movzx ebx, cl
lea eax, [ebp + 0xb]
mov dword [esp + 0x30], ebx
add edi, 0xfffffff5
mov ebp, dword [esp + 0x30]
not ebx
nop dword [eax]
mov dword [esp + 0x30], ebp
lea eax, [eax + 1]
mov dword [esp + 0x2c], ebx
mov ecx, dword [esp + 0x30]
mov dl, byte [eax + esi - 1]
and dl, cl
mov ecx, dword [esp + 0x2c]
and cl, byte [eax - 1]
or cl, dl
mov byte [eax - 1], cl
sub edi, 1
jne 0x51ced0
mov ebp, dword [esp + 0x20]
mov ebx, dword [esp + 0x48]
lea eax, [ebx - 0xb]
add esi, esi
cmp esi, eax
mov eax, dword [esp + 0x28]
jl 0x51cea1
mov edx, dword [esp + 0x3c]
mov edi, dword [esp + 0x24]
xor esi, esi
test edx, edx
jle 0x51cf88
mov eax, dword [esp + 0x10]
mov ebx, edi
movzx eax, al
mov dword [esp + 0x30], eax
lea eax, [ebp + 0xb]
mov ebp, dword [esp + 0x30]
shr ebx, 0x1f
neg edi
mov dword [esp + 0x2c], eax
mov ecx, esi
mov edx, edi
shr ecx, 0x1f
mov al, bl
xor al, cl
shr edx, 0x1f
xor dl, bl
inc edi
or dl, al
xor dl, cl
mov ecx, dword [esp + 0x2c]
neg dl
movzx eax, dl
mov edx, dword [esp + 0x38]
and eax, ebp
mov dword [esp + 0x30], eax
not eax
mov dword [esp + 0x28], eax
mov eax, dword [esp + 0x30]
mov cl, byte [ecx + esi]
and cl, al
mov eax, dword [esp + 0x28]
and al, byte [esi + edx]
or al, cl
mov byte [esi + edx], al
inc esi
cmp esi, dword [esp + 0x3c]
jl 0x51cf36
mov ebp, dword [esp + 0x20]
mov ebx, dword [esp + 0x48]
push 0xab
push str.crypto_rsa_rsa_ssl.c
push ebx
push ebp
call fcn.004bc4a0
push 0
push 0
push dword [esp + 0x34]
push 0x72
push 4
call fcn.004b41c0
mov ebx, dword [esp + 0x34]
mov eax, ebx
and eax, 1
push eax
call fcn.004b44e0
add esp, 0x28
mov dword [esp + 0x3c], ebx
not ebx
mov dword [esp + 0x30], ebx
mov ecx, dword [esp + 0x3c]
and ecx, dword [esp + 0x24]
mov eax, dword [esp + 0x30]
pop edi
pop ebp
pop ebx
or eax, ecx
pop esi
add esp, 0x24
ret
push 0
push 0
push 0x6f
push 0x72
push 4
call fcn.004b41c0
add esp, 0x14
or eax, 0xffffffff
pop ebx
pop esi
add esp, 0x24
ret
or eax, 0xffffffff
pop esi
add esp, 0x24
ret