Function at 0x583c70
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x74
call fcn.00490990
mov eax, dword [0x84dfc0]
xor eax, esp
mov dword [esp + 0x70], eax
mov eax, dword [esp + 0x7c]
push ebx
mov ebx, dword [esp + 0x7c]
push ebp
mov ebp, dword [esp + 0x88]
push esi
mov esi, dword [esp + 0x94]
push edi
mov edi, dword [esp + 0x94]
lea ecx, [esp + 0x28]
push ecx
mov dword [esp + 0x28], eax
mov dword [esp + 0x24], ebp
mov dword [esp + 0x20], edi
mov dword [esp + 0x14], 0
call fcn.00504c00
add esp, 4
test edi, edi
jne 0x583ccf
mov dword [esp + 0x1c], ebp
push ebp
call fcn.0052ce80
mov edi, eax
add esp, 4
mov dword [esp + 0x18], edi
test edi, edi
jl 0x583fea
mov eax, dword [esp + 0x9c]
cmp eax, 0xffffffff
jne 0x583d40
mov dword [esp + 0x9c], edi
mov edx, dword [ebx + 0x10]
push edx
call fcn.00501f20
mov ebp, eax
dec ebp
push ebx
and ebp, 7
call fcn.00505590
mov ecx, ebp
mov edx, 0xff
shl edx, cl
mov cl, byte [esi]
add esp, 8
test cl, dl
je 0x583d70
push 0x76
push str..crypto_rsa_rsa_pss.c
push 0x85
push 0x95
push 4
call fcn.004f6240
add esp, 0x14
jmp 0x583fea
cmp eax, 0xfffffffe
jne 0x583d4e
mov dword [esp + 0x9c], eax
jmp 0x583cf9
jge 0x583cf9
push 0x6f
push str..crypto_rsa_rsa_pss.c
push 0x88
push 0x95
push 4
call fcn.004f6240
add esp, 0x14
jmp 0x583fea
test ebp, ebp
jne 0x583d76
inc esi
dec eax
lea edx, [edi + 2]
cmp eax, edx
jge 0x583d9a
push 0x7e
push str..crypto_rsa_rsa_pss.c
push 0x6d
push 0x95
push 4
call fcn.004f6240
add esp, 0x14
jmp 0x583fea
mov ebx, eax
sub ebx, edi
lea ecx, [ebx - 2]
cmp dword [esp + 0x9c], ecx
jle 0x583db1
push 0x82
jmp 0x583d7f
cmp byte [esi + eax - 1], 0xbc
je 0x583ddb
push 0x86
push str..crypto_rsa_rsa_pss.c
push 0x86
push 0x95
push 4
call fcn.004f6240
add esp, 0x14
jmp 0x583fea
push 0x8b
dec ebx
lea edx, [esi + ebx]
push str..crypto_rsa_rsa_pss.c
push ebx
mov dword [esp + 0x20], edx
call fcn.004fbe80
mov edi, eax
add esp, 0xc
test edi, edi
jne 0x583e1c
push 0x8d
push str..crypto_rsa_rsa_pss.c
push 0x41
push 0x95
push 4
call fcn.004f6240
add esp, 0x14
jmp 0x583fdd
mov eax, dword [esp + 0x1c]
mov ecx, dword [esp + 0x18]
mov edx, dword [esp + 0x14]
push eax
push ecx
push edx
push ebx
push edi
call fcn.00555490
add esp, 0x14
test eax, eax
jl 0x583fdd
test ebx, ebx
jle 0x583e52
mov eax, edi
sub esi, edi
mov ecx, ebx
mov dl, byte [esi + eax]
xor byte [eax], dl
inc eax
sub ecx, 1
jne 0x583e47
test ebp, ebp
je 0x583e66
mov ecx, 8
sub ecx, ebp
mov eax, 0xff
sar eax, cl
and byte [edi], al
xor esi, esi
cmp byte [edi], 0
jne 0x583e7b
lea eax, [ebx - 1]
cmp esi, eax
jge 0x583e7b
inc esi
cmp byte [esi + edi], 0
je 0x583e70
mov cl, byte [esi + edi]
inc esi
cmp cl, 1
je 0x583ea7
push 0x98
push str..crypto_rsa_rsa_pss.c
push 0x87
push 0x95
push 4
call fcn.004f6240
add esp, 0x14
jmp 0x583fdd
mov eax, dword [esp + 0x9c]
test eax, eax
jl 0x583edd
mov edx, ebx
sub edx, esi
cmp edx, eax
je 0x583edd
push 0x9c
push str..crypto_rsa_rsa_pss.c
push 0x88
push 0x95
push 4
call fcn.004f6240
add esp, 0x14
jmp 0x583fdd
mov eax, dword [esp + 0x20]
push 0
push eax
lea ecx, [esp + 0x30]
push ecx
call fcn.00504c50
add esp, 0xc
test eax, eax
je 0x583fdd
push 8
lea edx, [esp + 0x2c]
push 0x7c988c
push edx
call fcn.00504e00
add esp, 0xc
test eax, eax
je 0x583fdd
mov ebp, dword [esp + 0x18]
mov eax, dword [esp + 0x24]
push ebp
push eax
lea ecx, [esp + 0x30]
push ecx
call fcn.00504e00
add esp, 0xc
test eax, eax
je 0x583fdd
sub ebx, esi
je 0x583f51
push ebx
add esi, edi
lea edx, [esp + 0x2c]
push esi
push edx
call fcn.00504e00
add esp, 0xc
test eax, eax
je 0x583fdd
push 0
lea eax, [esp + 0x44]
push eax
lea ecx, [esp + 0x30]
push ecx
call fcn.00504e10
add esp, 0xc
test eax, eax
je 0x583fdd
mov ecx, dword [esp + 0x14]
mov eax, ebp
lea esi, [esp + 0x40]
cmp ebp, 4
jb 0x583f8c
mov edx, dword [esi]
cmp edx, dword [ecx]
jne 0x583fb0
sub eax, 4
add ecx, 4
add esi, 4
cmp eax, 4
jae 0x583f78
test eax, eax
je 0x583fd5
mov dl, byte [ecx]
cmp dl, byte [esi]
jne 0x583fb0
cmp eax, 1
jbe 0x583fd5
mov dl, byte [ecx + 1]
cmp dl, byte [esi + 1]
jne 0x583fb0
cmp eax, 2
jbe 0x583fd5
mov al, byte [ecx + 2]
cmp al, byte [esi + 2]
je 0x583fd5
push 0xaa
push str..crypto_rsa_rsa_pss.c
push 0x68
push 0x95
push 4
call fcn.004f6240
add esp, 0x14
mov dword [esp + 0x10], 0
jmp 0x583fdd
mov dword [esp + 0x10], 1
test edi, edi
je 0x583fea
push edi
call fcn.004fc080
add esp, 4
lea ecx, [esp + 0x28]
push ecx
call fcn.00504e90
mov ecx, dword [esp + 0x84]
mov eax, dword [esp + 0x14]
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.0048d1f2
add esp, 0x74
ret