Function at 0x4287d0
Capabilities:
Encode data using xor
Hash data using sha1

Disassembly:
push ebx
push esi
xor ecx, ecx
push edi
mov dword [eax + 0x48], ecx
push ebp
lea esi, [eax + 0x60]
mov ebx, dword [eax]
bswap ebx
mov dword [esi], ebx
mov ebx, dword [eax + 4]
bswap ebx
mov dword [esi + 4], ebx
mov ebx, dword [eax + 8]
bswap ebx
mov dword [esi + 8], ebx
mov ebx, dword [eax + 0xc]
bswap ebx
mov dword [esi + 0xc], ebx
mov ebx, dword [eax + 0x10]
bswap ebx
mov dword [esi + 0x10], ebx
mov ebx, dword [eax + 0x14]
bswap ebx
mov dword [esi + 0x14], ebx
mov ebx, dword [eax + 0x18]
bswap ebx
mov dword [esi + 0x18], ebx
mov ebx, dword [eax + 0x1c]
bswap ebx
mov dword [esi + 0x1c], ebx
mov ebx, dword [eax + 0x20]
bswap ebx
mov dword [esi + 0x20], ebx
mov ebx, dword [eax + 0x24]
bswap ebx
mov dword [esi + 0x24], ebx
mov ebx, dword [eax + 0x28]
bswap ebx
mov dword [esi + 0x28], ebx
mov ebx, dword [eax + 0x2c]
bswap ebx
mov dword [esi + 0x2c], ebx
mov ebx, dword [eax + 0x30]
bswap ebx
mov dword [esi + 0x30], ebx
mov ebx, dword [eax + 0x34]
bswap ebx
mov dword [esi + 0x34], ebx
mov ebx, dword [eax + 0x38]
bswap ebx
mov dword [esi + 0x38], ebx
mov ebx, dword [eax + 0x3c]
bswap ebx
lea edi, [esi + 0x40]
mov dword [esi + 0x3c], ebx
push eax
lea edx, [eax + 0x4c]
mov ecx, 0x10
mov eax, dword [edi - 0x40]
mov ebx, dword [edi - 0x38]
xor eax, dword [edi - 0x20]
xor ebx, dword [edi - 0xc]
xor eax, ebx
rol eax, 1
mov dword [edi], eax
mov eax, dword [edi - 0x3c]
mov ebx, dword [edi - 0x34]
xor eax, dword [edi - 0x1c]
xor ebx, dword [edi - 8]
xor eax, ebx
rol eax, 1
mov dword [edi + 4], eax
mov eax, dword [edi - 0x38]
xor eax, dword [edi - 0x18]
mov ebx, dword [edi - 0x30]
xor ebx, dword [edi - 4]
xor eax, ebx
rol eax, 1
mov dword [edi + 8], eax
mov eax, dword [edi - 0x34]
mov ebx, dword [edi - 0x2c]
xor eax, dword [edi - 0x14]
xor ebx, dword [edi]
xor eax, ebx
rol eax, 1
mov dword [edi + 0xc], eax
add edi, 0x10
dec ecx
jne 0x428866
mov ecx, 5
mov eax, dword [edx]
push ecx
mov edi, dword [edx + 4]
mov ebx, dword [edx + 8]
mov ebp, dword [edx + 0xc]
mov ecx, dword [edx + 0x10]
mov edx, eax
rol eax, 5
add eax, ecx
mov ecx, ebx
xor ecx, ebp
add eax, dword [esi]
and ecx, edi
xor ecx, ebp
add ecx, 0x5a827999
add eax, ecx
mov ecx, ebp
ror edi, 2
mov ebp, eax
rol eax, 5
add eax, ecx
mov ecx, edi
xor ecx, ebx
and ecx, edx
add eax, dword [esi + 4]
xor ecx, ebx
ror edx, 2
add ecx, 0x5a827999
add eax, ecx
mov ecx, ebx
mov ebx, eax
rol eax, 5
add eax, ecx
mov ecx, edx
add eax, dword [esi + 8]
xor ecx, edi
and ecx, ebp
ror ebp, 2
xor ecx, edi
add ecx, 0x5a827999
add eax, ecx
mov ecx, edi
mov edi, eax
rol eax, 5
add eax, ecx
mov ecx, ebp
add eax, dword [esi + 0xc]
xor ecx, edx
and ecx, ebx
xor ecx, edx
add ecx, 0x5a827999
ror ebx, 2
add eax, ecx
mov ecx, edx
mov edx, eax
add esi, 0x10
dec dword [esp]
jne 0x4288cc
mov dword [esp], 5
rol eax, 5
add eax, ecx
mov ecx, edi
add eax, dword [esi]
xor ecx, ebx
xor ecx, ebp
add ecx, 0x6ed9eba1
add eax, ecx
mov ecx, ebp
ror edi, 2
mov ebp, eax
rol eax, 5
add eax, ecx
mov ecx, edx
xor ecx, edi
xor ecx, ebx
add ecx, 0x6ed9eba1
ror edx, 2
add eax, dword [esi + 4]
add eax, ecx
mov ecx, ebx
mov ebx, eax
rol eax, 5
add eax, ecx
mov ecx, ebp
xor ecx, edx
ror ebp, 2
xor ecx, edi
add eax, dword [esi + 8]
add ecx, 0x6ed9eba1
add eax, ecx
mov ecx, edi
mov edi, eax
rol eax, 5
add eax, ecx
mov ecx, ebx
xor ecx, ebp
xor ecx, edx
add eax, dword [esi + 0xc]
add ecx, 0x6ed9eba1
add eax, ecx
mov ecx, edx
ror ebx, 2
mov edx, eax
add esi, 0x10
dec dword [esp]
jne 0x42895a
mov dword [esp], 5
push ecx
mov eax, edi
mov ecx, edi
and eax, ebx
or ecx, ebx
and ecx, ebp
or eax, ecx
mov ecx, edx
add eax, dword [esi]
rol ecx, 5
add eax, 0x8f1bbcdc
add ecx, dword [esp]
add eax, ecx
ror edi, 2
mov dword [esp], ebp
mov ebp, eax
mov eax, edx
mov ecx, edx
and eax, edi
or ecx, edi
and ecx, ebx
or eax, ecx
mov ecx, ebp
add eax, dword [esi + 4]
rol ecx, 5
add eax, 0x8f1bbcdc
add ecx, dword [esp]
add eax, ecx
ror edx, 2
mov dword [esp], ebx
mov ebx, eax
mov eax, ebp
mov ecx, ebp
and eax, edx
or ecx, edx
and ecx, edi
or eax, ecx
mov ecx, ebx
add eax, dword [esi + 8]
rol ecx, 5
add eax, 0x8f1bbcdc
add ecx, dword [esp]
add eax, ecx
ror ebp, 2
mov dword [esp], edi
mov edi, eax
mov eax, ebx
mov ecx, ebx
and eax, ebp
or ecx, ebp
and ecx, edx
or eax, ecx
mov ecx, edi
add eax, dword [esi + 0xc]
rol ecx, 5
add eax, 0x8f1bbcdc
add ecx, dword [esp]
add eax, ecx
ror ebx, 2
mov dword [esp], edx
mov edx, eax
add esi, 0x10
dec dword [esp + 4]
jne 0x4289dd
pop ecx
mov dword [esp], 5
rol eax, 5
add eax, ecx
mov ecx, edi
xor ecx, ebx
xor ecx, ebp
ror edi, 2
add eax, dword [esi]
add ecx, 0xca62c1d6
add eax, ecx
mov ecx, ebp
mov ebp, eax
rol eax, 5
add eax, ecx
mov ecx, edx
add eax, dword [esi + 4]
xor ecx, edi
xor ecx, ebx
add ecx, 0xca62c1d6
add eax, ecx
mov ecx, ebx
ror edx, 2
mov ebx, eax
rol eax, 5
add eax, ecx
mov ecx, ebp
add eax, dword [esi + 8]
xor ecx, edx
xor ecx, edi
ror ebp, 2
add ecx, 0xca62c1d6
add eax, ecx
mov ecx, edi
mov edi, eax
rol eax, 5
add eax, ecx
mov ecx, ebx
add eax, dword [esi + 0xc]
xor ecx, ebp
xor ecx, edx
add ecx, 0xca62c1d6
add eax, ecx
mov ecx, edx
ror ebx, 2
mov edx, eax
add esi, 0x10
dec dword [esp]
jne 0x428a89
pop eax
pop eax
add dword [eax + 0x4c], edx
add dword [eax + 0x50], edi
add dword [eax + 0x54], ebx
add dword [eax + 0x58], ebp
add dword [eax + 0x5c], ecx
pop ebp
pop edi
xor edx, edx
call fcn.004284f0
pop esi
pop ebx
ret