Function at 0x457381
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x2f8
push ebx
push esi
mov esi, dword [ebp + 8]
push edi
push 0x40
pop ebx
lea edi, [ebp - 0x70]
mov ecx, ebx
rep movsb byte es:[edi], byte [esi]
lea eax, [ebp - 0x2f8]
xor ecx, ecx
sub edx, eax
lea eax, [edx + ecx*8]
mov esi, dword [ebp + eax - 0x2f8]
mov eax, dword [ebp + eax - 0x2f4]
bswap esi
bswap eax
mov dword [ebp + ecx*8 - 0x2f8], eax
mov dword [ebp + ecx*8 - 0x2f4], esi
inc ecx
cmp ecx, 0x10
jl 0x4573a4
lea eax, [ebp - 0x2f0]
mov dword [ebp - 0x10], ebx
mov ecx, dword [eax + 0x6c]
mov esi, dword [eax + 0x68]
mov edi, esi
mov edx, ecx
mov dword [ebp - 8], edi
mov ebx, esi
shrd ebx, edx, 0x13
shrd edx, edi, 0x13
mov dword [ebp - 0x1c], edx
mov dword [ebp - 0x20], ebx
mov edx, esi
mov edi, ecx
mov dword [ebp - 8], edi
mov ebx, ecx
shrd ebx, edx, 0x1d
shrd edx, edi, 0x1d
mov edi, dword [eax]
mov dword [ebp - 0x78], edi
mov dword [ebp - 0x2c], edx
mov edx, dword [eax + 4]
mov dword [ebp - 0x30], ebx
mov ebx, edi
mov edi, edx
mov dword [ebp - 4], ebx
mov dword [ebp - 8], ebx
shrd ebx, edi, 1
mov dword [ebp - 0x18], ebx
mov ebx, dword [ebp - 4]
shrd edi, ebx, 1
mov ebx, dword [ebp - 0x78]
mov dword [ebp - 0x14], edi
mov edi, edx
shrd ebx, edi, 8
mov dword [ebp - 0x28], ebx
mov ebx, dword [ebp - 0x78]
shrd edi, ebx, 8
mov dword [ebp - 0x24], edi
shrd esi, ecx, 6
xor esi, dword [ebp - 0x30]
mov edi, ebx
xor esi, dword [ebp - 0x20]
shrd edi, edx, 7
shr edx, 7
xor edx, dword [ebp - 0x24]
mov dword [ebp - 4], edi
xor edi, dword [ebp - 0x28]
xor edx, dword [ebp - 0x14]
xor edi, dword [ebp - 0x18]
shr ecx, 6
xor ecx, dword [ebp - 0x2c]
xor ecx, dword [ebp - 0x1c]
add edi, esi
adc edx, ecx
add edi, dword [eax + 0x40]
adc edx, dword [eax + 0x44]
add edi, dword [eax - 8]
adc edx, dword [eax - 4]
mov dword [eax + 0x78], edi
mov dword [eax + 0x7c], edx
add eax, 8
dec dword [ebp - 0x10]
jne 0x4573d6
xor edx, edx
mov dword [ebp - 0x10], edx
mov ecx, dword [ebp - 0x50]
mov eax, dword [ebp - 0x4c]
mov esi, ecx
shrd esi, eax, 0xe
shrd eax, ecx, 0xe
mov dword [ebp - 0x1c], eax
mov eax, dword [ebp - 0x4c]
mov ebx, ecx
shrd ebx, eax, 0x12
shrd eax, ecx, 0x12
mov dword [ebp - 0x74], eax
mov eax, dword [ebp - 0x4c]
mov dword [ebp - 0x20], esi
mov edi, ecx
mov ecx, dword [ebp - 0x44]
xor ecx, dword [ebp - 0x3c]
mov esi, eax
and ecx, dword [ebp - 0x4c]
shrd esi, edi, 9
xor ecx, dword [ebp - 0x3c]
shrd edi, eax, 9
xor edi, dword [ebp - 0x74]
mov eax, dword [ebp - 0x48]
xor edi, dword [ebp - 0x1c]
xor eax, dword [ebp - 0x40]
xor esi, ebx
xor esi, dword [ebp - 0x20]
and eax, dword [ebp - 0x50]
xor eax, dword [ebp - 0x40]
add eax, esi
adc ecx, edi
add eax, dword [edx + 0xae8]
mov edi, dword [ebp - 0x70]
adc ecx, dword [edx + 0xaec]
add eax, dword [ebp + edx - 0x2f8]
mov esi, edi
adc ecx, dword [ebp + edx - 0x2f4]
add eax, dword [ebp - 0x38]
mov edx, dword [ebp - 0x6c]
adc ecx, dword [ebp - 0x34]
mov ebx, esi
shrd ebx, edx, 0x1c
shrd edx, esi, 0x1c
mov esi, dword [ebp - 0x6c]
mov dword [ebp - 0x24], edx
mov edx, edi
mov dword [ebp - 0x28], ebx
mov ebx, esi
shrd ebx, edx, 2
shrd edx, esi, 2
mov dword [ebp - 0x14], edx
mov edx, edi
mov edi, esi
shrd edi, edx, 7
shrd edx, esi, 7
mov esi, dword [ebp - 0x64]
or esi, dword [ebp - 0x6c]
mov dword [ebp - 0x30], edi
mov edi, dword [ebp - 0x68]
and edi, dword [ebp - 0x70]
and esi, dword [ebp - 0x5c]
mov dword [ebp - 0x2c], edx
mov edx, dword [ebp - 0x68]
or edx, dword [ebp - 0x70]
mov dword [ebp - 0x18], ebx
and edx, dword [ebp - 0x60]
mov ebx, dword [ebp - 0x64]
and ebx, dword [ebp - 0x6c]
or edx, edi
mov edi, dword [ebp - 0x30]
xor edi, dword [ebp - 0x18]
or esi, ebx
mov dword [ebp - 0xc], edi
mov edi, dword [ebp - 0x2c]
xor edi, dword [ebp - 0x14]
mov dword [ebp - 8], edi
mov edi, dword [ebp - 0x28]
xor dword [ebp - 0xc], edi
mov edi, dword [ebp - 8]
xor edi, dword [ebp - 0x24]
add edx, dword [ebp - 0xc]
adc esi, edi
mov edi, dword [ebp - 0x40]
mov dword [ebp - 0x38], edi
mov edi, dword [ebp - 0x3c]
mov dword [ebp - 0x34], edi
mov edi, dword [ebp - 0x48]
mov ebx, dword [ebp - 0x54]
mov dword [ebp - 0x40], edi
mov edi, dword [ebp - 0x44]
mov dword [ebp - 0x3c], edi
mov edi, dword [ebp - 0x50]
mov dword [ebp - 0x48], edi
mov edi, dword [ebp - 0x4c]
mov dword [ebp - 0x44], edi
mov edi, dword [ebp - 0x58]
add edi, eax
mov dword [ebp - 0x50], edi
mov edi, dword [ebp - 0x60]
mov dword [ebp - 0x58], edi
mov edi, dword [ebp - 0x5c]
mov dword [ebp - 0x54], edi
mov edi, dword [ebp - 0x68]
mov dword [ebp - 0x60], edi
mov edi, dword [ebp - 0x64]
adc ebx, ecx
add edx, eax
mov dword [ebp - 0x5c], edi
mov edi, dword [ebp - 0x70]
adc esi, ecx
mov dword [ebp - 0x70], edx
mov edx, dword [ebp - 0x10]
mov dword [ebp - 0x68], edi
mov edi, dword [ebp - 0x6c]
mov dword [ebp - 0x6c], esi
add edx, 8
mov esi, 0x280
mov dword [ebp - 0x4c], ebx
mov dword [ebp - 0x64], edi
mov dword [ebp - 0x10], edx
cmp edx, esi
jl 0x457495
mov eax, dword [ebp + 8]
lea ecx, [ebp - 0x70]
push 8
sub ecx, eax
pop edx
mov edi, dword [ecx + eax]
add dword [eax], edi
mov edi, dword [ecx + eax + 4]
adc dword [eax + 4], edi
add eax, 8
dec edx
jne 0x457618
push 0x40
pop ecx
xor al, al
lea edi, [ebp - 0x70]
rep stosb byte es:[edi], al
mov ecx, esi
lea edi, [ebp - 0x2f8]
rep stosb byte es:[edi], al
pop edi
pop esi
pop ebx
leave
ret