Function at 0x1c6dde0
Capabilities:
Encode data using xor
Hash data using sha1

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
sub esp, 0x28
mov eax, dword [ecx + 0x28]
mov edx, dword [ecx + 0x2c]
bswap eax
mov dword [ecx + 0x28], eax
bswap edx
mov dword [ecx + 0x2c], edx
mov eax, dword [ecx + 0x30]
bswap eax
mov dword [ecx + 0x30], eax
mov eax, dword [ecx + 0x34]
bswap eax
mov dword [ecx + 0x34], eax
mov eax, dword [ecx + 0x38]
bswap eax
mov dword [ecx + 0x38], eax
mov eax, dword [ecx + 0x3c]
bswap eax
mov dword [ecx + 0x3c], eax
mov eax, dword [ecx + 0x40]
bswap eax
mov dword [ecx + 0x40], eax
mov eax, dword [ecx + 0x44]
bswap eax
mov dword [ecx + 0x44], eax
mov eax, dword [ecx + 0x48]
bswap eax
mov dword [ecx + 0x48], eax
mov eax, dword [ecx + 0x4c]
bswap eax
mov dword [ecx + 0x4c], eax
mov eax, dword [ecx + 0x50]
bswap eax
mov dword [ecx + 0x50], eax
mov eax, dword [ecx + 0x54]
bswap eax
mov dword [ecx + 0x54], eax
mov eax, dword [ecx + 0x58]
bswap eax
mov dword [ecx + 0x58], eax
mov eax, dword [ecx + 0x5c]
bswap eax
mov dword [ecx + 0x5c], eax
mov eax, dword [ecx + 0x60]
bswap eax
mov dword [ecx + 0x60], eax
mov eax, dword [ecx + 0x64]
bswap eax
mov dword [ecx + 0x64], eax
mov eax, 0x1a
nop
mov edx, dword [ecx + eax*4 - 0x20]
xor edx, dword [ecx + eax*4 - 0xc]
xor edx, dword [ecx + eax*4 - 0x38]
xor edx, dword [ecx + eax*4 - 0x40]
rol edx, 1
mov dword [ecx + eax*4], edx
inc eax
cmp eax, 0x5a
jne 0x1c6de70
mov edi, dword [ecx + 0x14]
mov esi, dword [ecx + 0x18]
mov edx, dword [ecx + 0x1c]
mov eax, dword [ecx + 0x20]
mov dword [ebp - 0x10], ecx
mov ecx, dword [ecx + 0x24]
xor ebx, ebx
mov dword [ebp - 0x24], edi
mov dword [ebp - 0x30], eax
mov dword [ebp - 0x2c], edx
mov dword [ebp - 0x28], esi
mov dword [ebp - 0x1c], esi
mov dword [ebp - 0x34], ecx
mov dword [ebp - 0x20], ecx
jmp 0x1c6dedc
mov edi, ecx
xor edi, edx
xor edi, esi
mov edx, 0xca62c1d6
add edi, eax
add edi, dword [ebp - 0x18]
mov eax, dword [ebp - 0x10]
add edi, dword [eax + ebx*4 + 0x28]
add edi, edx
rol esi, 0x1e
inc ebx
mov eax, ecx
mov edx, esi
cmp ebx, 0x50
je 0x1c6df5b
mov ecx, dword [ebp - 0x20]
mov dword [ebp - 0x18], ecx
mov esi, dword [ebp - 0x1c]
mov ecx, edx
mov edx, eax
mov eax, edi
rol eax, 5
cmp ebx, 0x14
mov dword [ebp - 0x20], edx
mov dword [ebp - 0x1c], edi
jb 0x1c6df20
cmp ebx, 0x28
jb 0x1c6df3f
cmp ebx, 0x3b
ja 0x1c6deb6
mov dword [ebp - 0x14], ecx
mov ecx, edx
mov edx, dword [ebp - 0x14]
or edx, ecx
and edx, esi
mov edi, dword [ebp - 0x14]
and edi, ecx
mov ecx, dword [ebp - 0x14]
or edi, edx
mov edx, 0x8f1bbcdc
jmp 0x1c6dec1
mov edi, esi
not edi
and edi, edx
add edi, eax
mov eax, esi
and eax, ecx
add edi, eax
add edi, dword [ebp - 0x18]
mov eax, dword [ebp - 0x10]
add edi, dword [eax + ebx*4 + 0x28]
mov edx, 0x5a827999
jmp 0x1c6decd
mov edi, ecx
xor edi, edx
xor edi, esi
add edi, eax
add edi, dword [ebp - 0x18]
mov eax, dword [ebp - 0x10]
add edi, dword [eax + ebx*4 + 0x28]
mov edx, 0x6ed9eba1
jmp 0x1c6decd
mov eax, dword [ebp - 0x10]
mov dword [eax], edi
mov edx, dword [ebp - 0x24]
add edx, edi
mov dword [eax + 0xc], ecx
mov dword [eax + 8], esi
mov ebx, dword [ebp - 0x1c]
mov dword [eax + 4], ebx
mov edi, dword [ebp - 0x20]
mov dword [eax + 0x10], edi
mov dword [eax + 0x14], edx
mov edx, dword [ebp - 0x28]
add edx, ebx
mov dword [eax + 0x18], edx
mov edx, dword [ebp - 0x2c]
add edx, esi
mov dword [eax + 0x1c], edx
mov edx, dword [ebp - 0x30]
add edx, ecx
mov dword [eax + 0x20], edx
mov ecx, dword [ebp - 0x34]
add ecx, edi
mov dword [eax + 0x24], ecx
mov dword [eax + 0x168], 0
add esp, 0x28
pop esi
pop edi
pop ebx
pop ebp
ret