Function at 0x51a260
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x7c
call fcn.004fbf90
mov eax, dword [0x5f1414]
xor eax, esp
mov dword [esp + 0x78], eax
mov eax, dword [esp + 0x84]
push ebx
mov ebx, dword [esp + 0x90]
push ebp
mov ebp, dword [esp + 0x88]
push esi
mov esi, dword [esp + 0x9c]
mov dword [esp + 0x28], eax
lea eax, [esp + 0x2c]
push edi
mov edi, dword [esp + 0x98]
push eax
mov dword [esp + 0x2c], edi
mov dword [esp + 0x20], 0
call fcn.0050e500
test ebx, ebx
push edi
cmove ebx, edi
mov dword [esp + 0x1c], ebx
call fcn.00502180
mov edi, eax
add esp, 8
test edi, edi
js 0x51a51e
mov ebx, dword [esp + 0xa4]
cmp ebx, 0xffffffff
jne 0x51a331
mov ebx, edi
mov dword [esp + 0xa4], ebx
push dword [ebp + 0x10]
call fcn.0050b150
dec eax
and eax, 7
push ebp
mov dword [esp + 0x28], eax
call fcn.00515ff0
mov ecx, dword [esp + 0x28]
mov ebp, eax
mov eax, 0xff
add esp, 8
shl eax, cl
test byte [esi], al
je 0x51a35a
push 0x76
push str..crypto_rsa_rsa_pss.c
push 0x85
push 0x95
push 4
call fcn.00501bf0
add esp, 0x14
jmp 0x51a51e
cmp ebx, 0xfffffffe
jne 0x51a338
jmp 0x51a2e0
jge 0x51a2e7
push 0x6f
push str..crypto_rsa_rsa_pss.c
push 0x88
push 0x95
push 4
call fcn.00501bf0
add esp, 0x14
jmp 0x51a51e
test ecx, ecx
jne 0x51a360
inc esi
dec ebp
lea eax, [edi + 2]
add eax, ebx
cmp ebp, eax
jge 0x51a386
push 0x7e
push str..crypto_rsa_rsa_pss.c
push 0x6d
push 0x95
push 4
call fcn.00501bf0
add esp, 0x14
jmp 0x51a51e
cmp byte [esi + ebp - 1], 0xbc
je 0x51a3b0
push 0x82
push str..crypto_rsa_rsa_pss.c
push 0x86
push 0x95
push 4
call fcn.00501bf0
add esp, 0x14
jmp 0x51a51e
sub ebp, edi
dec ebp
push 0x87
push str..crypto_rsa_rsa_pss.c
push ebp
lea ebx, [esi + ebp]
call fcn.00500870
add esp, 0xc
mov dword [esp + 0x10], eax
test eax, eax
jne 0x51a3f1
push 0x89
push str..crypto_rsa_rsa_pss.c
push 0x41
push 0x95
push 4
call fcn.00501bf0
add esp, 0x14
jmp 0x51a51e
push dword [esp + 0x14]
push edi
push ebx
push ebp
push eax
call fcn.005298f0
add esp, 0x14
test eax, eax
js 0x51a511
xor ecx, ecx
mov dword [esp + 0x18], ecx
test ebp, ebp
jle 0x51a4b1
mov edx, dword [esp + 0x10]
cmp ebp, 0x20
jb 0x51a495
lea eax, [ebp - 1]
mov dword [esp + 0x18], ecx
add eax, esi
cmp edx, eax
ja 0x51a436
lea eax, [edx - 1]
add eax, ebp
cmp eax, esi
jae 0x51a495
mov eax, ebp
and eax, 0x8000001f
jns 0x51a444
dec eax
or eax, 0xffffffe0
inc eax
mov dword [esp + 0x14], ebp
mov ecx, esi
sub dword [esp + 0x14], eax
sub ecx, edx
mov dword [esp + 0x24], ecx
mov eax, edx
mov ecx, dword [esp + 0x18]
mov edx, dword [esp + 0x24]
nop
movups xmm0, xmmword [eax]
lea eax, [eax + 0x20]
movups xmm1, xmmword [edx + eax - 0x20]
pxor xmm1, xmm0
movups xmmword [eax - 0x20], xmm1
movups xmm1, xmmword [esi + ecx + 0x10]
add ecx, 0x20
movups xmm0, xmmword [eax - 0x10]
pxor xmm1, xmm0
movups xmmword [eax - 0x10], xmm1
cmp ecx, dword [esp + 0x14]
jl 0x51a460
mov edx, dword [esp + 0x10]
mov dword [esp + 0x18], ecx
cmp ecx, ebp
jge 0x51a4b1
add ecx, edx
sub esi, edx
mov edx, ebp
sub edx, dword [esp + 0x18]
mov al, byte [ecx + esi]
lea ecx, [ecx + 1]
xor byte [ecx - 1], al
sub edx, 1
jne 0x51a4a3
mov eax, dword [esp + 0x20]
test eax, eax
je 0x51a4cf
mov ecx, 8
mov edx, 0xff
sub ecx, eax
mov eax, dword [esp + 0x10]
sar edx, cl
and byte [eax], dl
jmp 0x51a4d3
mov eax, dword [esp + 0x10]
xor esi, esi
cmp byte [eax], 0
jne 0x51a4eb
lea ecx, [ebp - 1]
nop dword [eax]
cmp esi, ecx
jge 0x51a4eb
inc esi
cmp byte [esi + eax], 0
je 0x51a4e0
mov al, byte [esi + eax]
inc esi
cmp al, 1
je 0x51a545
push 0x94
push str..crypto_rsa_rsa_pss.c
push 0x87
push 0x95
push 4
call fcn.00501bf0
add esp, 0x14
mov ebp, dword [esp + 0x10]
push ebp
call fcn.005007f0
add esp, 4
lea eax, [esp + 0x30]
push eax
call fcn.0050e2a0
mov ecx, dword [esp + 0x8c]
add esp, 4
mov eax, dword [esp + 0x1c]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004fb4f0
add esp, 0x7c
ret
mov ecx, dword [esp + 0xa4]
test ecx, ecx
js 0x51a569
mov eax, ebp
sub eax, esi
cmp eax, ecx
je 0x51a569
push 0x98
push str..crypto_rsa_rsa_pss.c
push 0x88
jmp 0x51a502
push 0
push dword [esp + 0x2c]
lea eax, [esp + 0x38]
push eax
call fcn.0050e0e0
add esp, 0xc
test eax, eax
je 0x51a511
push 8
lea eax, [esp + 0x34]
push 0x5c26d0
push eax
call fcn.0050e290
add esp, 0xc
test eax, eax
je 0x51a511
push edi
push dword [esp + 0x30]
lea eax, [esp + 0x38]
push eax
call fcn.0050e290
add esp, 0xc
test eax, eax
je 0x51a511
sub ebp, esi
je 0x51a5da
push ebp
mov ebp, dword [esp + 0x14]
lea eax, [esi + ebp]
push eax
lea eax, [esp + 0x38]
push eax
call fcn.0050e290
add esp, 0xc
test eax, eax
je 0x51a515
jmp 0x51a5de
mov ebp, dword [esp + 0x10]
push 0
lea eax, [esp + 0x4c]
push eax
lea eax, [esp + 0x38]
push eax
call fcn.0050e060
add esp, 0xc
test eax, eax
je 0x51a515
lea ecx, [esp + 0x48]
sub edi, 4
jb 0x51a614
mov eax, dword [ecx]
cmp eax, dword [ebx]
jne 0x51a619
add ecx, 4
add ebx, 4
sub edi, 4
jae 0x51a603
cmp edi, 0xfffffffc
je 0x51a66e
mov al, byte [ecx]
cmp al, byte [ebx]
jne 0x51a646
cmp edi, 0xfffffffd
je 0x51a66e
mov al, byte [ecx + 1]
cmp al, byte [ebx + 1]
jne 0x51a646
cmp edi, 0xfffffffe
je 0x51a66e
mov al, byte [ecx + 2]
cmp al, byte [ebx + 2]
jne 0x51a646
cmp edi, 0xffffffff
je 0x51a66e
mov al, byte [ecx + 3]
cmp al, byte [ebx + 3]
je 0x51a66e
push 0xa6
push str..crypto_rsa_rsa_pss.c
push 0x68
push 0x95
push 4
call fcn.00501bf0
add esp, 0x14
mov dword [esp + 0x1c], 0
jmp 0x51a515
mov dword [esp + 0x1c], 1
jmp 0x51a515