Function at 0x4b1678
Capabilities:
Encode data using xor
Hash data using sha256

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xcc
mov eax, dword [0x513010]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
mov ebx, ecx
mov dword [ebp - 0x9c], 0x6a09e667
push edi
push 0x10
mov esi, edx
mov dword [ebp - 0xcc], ebx
mov eax, dword [ebx + 0xf8]
lea edi, [ebp - 0x84]
pop ecx
rep movsd dword es:[edi], dword [esi]
mov esi, dword [ebx + 0xf4]
lea edi, [ebp - 0x44]
push 8
pop ecx
rep movsd dword es:[edi], dword [esi]
mov ecx, dword [eax]
mov eax, dword [eax + 4]
xor ecx, 0x510e527f
mov edx, dword [ebp - 0x28]
xor eax, 0x9b05688c
mov esi, dword [ebp - 0x34]
mov dword [ebp - 0x98], eax
mov eax, dword [ebx + 0xfc]
mov dword [ebp - 0x90], edx
mov edx, dword [ebp - 0x2c]
mov dword [ebp - 0xa4], edx
mov ebx, dword [eax]
mov eax, dword [eax + 4]
xor ebx, 0x1f83d9ab
mov edx, dword [ebp - 0x30]
xor eax, 0x5be0cd19
mov dword [ebp - 0xac], eax
xor eax, eax
mov dword [ebp - 0xa0], 0xbb67ae85
mov dword [ebp - 0xb0], 0x3c6ef372
mov dword [ebp - 0xb4], 0xa54ff53a
mov dword [ebp - 0x88], eax
mov dword [ebp - 0x94], edx
mov dword [ebp - 0x8c], esi
movzx eax, byte [eax + 0x4f2e30]
mov edx, dword [ebp + eax*4 - 0x84]
add edx, esi
add edx, dword [ebp - 0x44]
mov edi, edx
mov eax, edx
xor eax, ecx
xor edi, ecx
mov ecx, dword [ebp - 0x9c]
shl eax, 0x10
shr edi, 0x10
or edi, eax
add ecx, edi
mov esi, ecx
mov eax, ecx
xor eax, dword [ebp - 0x8c]
xor esi, dword [ebp - 0x8c]
shl eax, 0x14
shr esi, 0xc
or esi, eax
mov eax, dword [ebp - 0x88]
movzx eax, byte [eax + 0x4f2e31]
mov eax, dword [ebp + eax*4 - 0x84]
add eax, edx
mov edx, edi
add eax, esi
xor edx, eax
mov dword [ebp - 0x9c], eax
xor edi, eax
shl edx, 0x18
shr edi, 8
or edx, edi
mov dword [ebp - 0xa8], edx
lea eax, [ecx + edx]
mov ecx, eax
mov dword [ebp - 0x24], eax
xor eax, esi
xor ecx, esi
shr eax, 7
shl ecx, 0x19
or ecx, eax
mov eax, dword [ebp - 0x88]
mov dword [ebp - 0xc4], ecx
mov ecx, dword [ebp - 0xa0]
movzx eax, byte [eax + 0x4f2e32]
mov edx, dword [ebp + eax*4 - 0x84]
add edx, dword [ebp - 0x94]
add edx, dword [ebp - 0x40]
mov edi, edx
mov eax, edx
xor eax, dword [ebp - 0x98]
xor edi, dword [ebp - 0x98]
shl eax, 0x10
shr edi, 0x10
or edi, eax
add ecx, edi
mov esi, ecx
mov eax, ecx
xor eax, dword [ebp - 0x94]
xor esi, dword [ebp - 0x94]
shl eax, 0x14
shr esi, 0xc
or esi, eax
mov eax, dword [ebp - 0x88]
movzx eax, byte [eax + 0x4f2e33]
mov eax, dword [ebp + eax*4 - 0x84]
add eax, edx
mov edx, edi
add eax, esi
xor edx, eax
mov dword [ebp - 0xa0], eax
xor edi, eax
shl edx, 0x18
shr edi, 8
or edx, edi
mov dword [ebp - 0xbc], edx
lea eax, [ecx + edx]
mov ecx, eax
mov dword [ebp - 0x20], eax
xor ecx, esi
shl ecx, 0x19
xor eax, esi
shr eax, 7
or ecx, eax
mov eax, dword [ebp - 0x88]
mov dword [ebp - 0x8c], ecx
mov ecx, dword [ebp - 0xb0]
movzx eax, byte [eax + 0x4f2e34]
mov edx, dword [ebp + eax*4 - 0x84]
add edx, dword [ebp - 0xa4]
add edx, dword [ebp - 0x3c]
mov edi, edx
mov eax, edx
xor eax, ebx
xor edi, ebx
shl eax, 0x10
shr edi, 0x10
or edi, eax
add ecx, edi
mov esi, ecx
mov eax, ecx
xor eax, dword [ebp - 0xa4]
xor esi, dword [ebp - 0xa4]
shl eax, 0x14
shr esi, 0xc
or esi, eax
mov eax, dword [ebp - 0x88]
movzx eax, byte [eax + 0x4f2e35]
mov eax, dword [ebp + eax*4 - 0x84]
add eax, edx
mov edx, edi
add eax, esi
xor edx, eax
mov dword [ebp - 0xb8], eax
xor edi, eax
shl edx, 0x18
shr edi, 8
or edx, edi
mov dword [ebp - 0xc8], edx
lea ebx, [ecx + edx]
mov ecx, ebx
mov eax, ebx
xor eax, esi
xor ecx, esi
mov esi, dword [ebp - 0x90]
shr eax, 7
shl ecx, 0x19
or ecx, eax
mov eax, dword [ebp - 0x88]
mov dword [ebp - 0x98], ecx
mov ecx, dword [ebp - 0xb4]
movzx eax, byte [eax + 0x4f2e36]
mov edx, dword [ebp + eax*4 - 0x84]
add edx, esi
add edx, dword [ebp - 0x38]
mov edi, edx
mov eax, edx
xor eax, dword [ebp - 0xac]
xor edi, dword [ebp - 0xac]
shl eax, 0x10
shr edi, 0x10
or edi, eax
add ecx, edi
xor esi, ecx
mov eax, ecx
xor eax, dword [ebp - 0x90]
shl eax, 0x14
shr esi, 0xc
or esi, eax
mov eax, dword [ebp - 0x88]
movzx eax, byte [eax + str._a_b_t_n_v_f_r]
mov eax, dword [ebp + eax*4 - 0x84]
add eax, edx
mov edx, edi
add eax, esi
xor edx, eax
mov dword [ebp - 0xc0], eax
xor edi, eax
shl edx, 0x18
shr edi, 8
or edx, edi
lea eax, [ecx + edx]
mov dword [ebp - 0x18], eax
mov ecx, esi
xor ecx, eax
xor esi, eax
mov eax, dword [ebp - 0x88]
shl ecx, 0x19
shr esi, 7
or ecx, esi
movzx eax, byte [eax + 0x4f2e38]
mov dword [ebp - 0x90], ecx
mov ecx, dword [ebp + eax*4 - 0x84]
add ecx, dword [ebp - 0x8c]
add ecx, dword [ebp - 0x9c]
mov esi, ecx
mov eax, ecx
xor eax, edx
xor esi, edx
shl eax, 0x10
shr esi, 0x10
or esi, eax
lea edx, [ebx + esi]
mov ebx, dword [ebp - 0x88]
mov edi, edx
mov eax, edx
xor eax, dword [ebp - 0x8c]
xor edi, dword [ebp - 0x8c]
shr eax, 0xc
shl edi, 0x14
or edi, eax
movzx eax, byte [ebx + 0x4f2e39]
add ecx, dword [ebp + eax*4 - 0x84]
mov eax, esi
add ecx, edi
xor eax, ecx
mov dword [ebp - 0x44], ecx
shl eax, 0x18
xor esi, ecx
shr esi, 8
or eax, esi
mov dword [ebp - 0xac], eax
mov dword [ebp - 8], eax
lea ecx, [eax + edx]
mov eax, edi
xor eax, ecx
mov edx, dword [ebp - 0x18]
xor edi, ecx
shl eax, 0x19
shr edi, 7
or eax, edi
mov dword [ebp - 0xb0], ecx
mov dword [ebp - 0x94], eax
mov dword [ebp - 0x30], eax
movzx eax, byte [ebx + 0x4f2e3a]
mov ebx, dword [ebp - 0x98]
mov edi, ebx
mov dword [ebp - 0x1c], ecx
mov ecx, dword [ebp + eax*4 - 0x84]
add ecx, dword [ebp - 0xa0]
add ecx, ebx
mov esi, ecx
mov eax, ecx
xor eax, dword [ebp - 0xa8]
xor esi, dword [ebp - 0xa8]
shl eax, 0x10
shr esi, 0x10
or esi, eax
add edx, esi
xor edi, edx
xor ebx, edx
shr ebx, 0xc
shl edi, 0x14
or edi, ebx
mov ebx, dword [ebp - 0x88]
movzx eax, byte [ebx + 0x4f2e3b]
add ecx, dword [ebp + eax*4 - 0x84]
mov eax, esi
add ecx, edi
xor eax, ecx
mov dword [ebp - 0x40], ecx
shl eax, 0x18
xor esi, ecx
shr esi, 8
or eax, esi
mov dword [ebp - 0xa8], eax
mov dword [ebp - 0x14], eax
lea ecx, [eax + edx]
mov eax, edi
xor eax, ecx
mov edx, dword [ebp - 0x24]
xor edi, ecx
shl eax, 0x19
shr edi, 7
or eax, edi
mov dword [ebp - 0xb4], ecx
mov dword [ebp - 0xa4], eax
mov dword [ebp - 0x2c], eax
movzx eax, byte [ebx + 0x4f2e3c]
mov ebx, dword [ebp - 0x90]
mov edi, ebx
mov dword [ebp - 0x18], ecx
mov ecx, dword [ebp + eax*4 - 0x84]
add ecx, dword [ebp - 0xb8]
add ecx, ebx
mov esi, ecx
mov eax, ecx
xor eax, dword [ebp - 0xbc]
xor esi, dword [ebp - 0xbc]
shl eax, 0x10
shr esi, 0x10
or esi, eax
add edx, esi
xor edi, edx
xor ebx, edx
shl edi, 0x14
shr ebx, 0xc
or edi, ebx
mov ebx, dword [ebp - 0x88]
movzx eax, byte [ebx + 0x4f2e3d]
add ecx, dword [ebp + eax*4 - 0x84]
mov eax, esi
add ecx, edi
xor eax, ecx
mov dword [ebp - 0x3c], ecx
shl eax, 0x18
xor esi, ecx
shr esi, 8
or eax, esi
mov dword [ebp - 0x98], eax
mov dword [ebp - 0x10], eax
lea ecx, [eax + edx]
mov eax, edi
xor eax, ecx
mov edx, dword [ebp - 0x20]
xor edi, ecx
shl eax, 0x19
shr edi, 7
or eax, edi
mov dword [ebp - 0x9c], ecx
mov dword [ebp - 0x90], eax
mov dword [ebp - 0x28], eax
movzx eax, byte [ebx + 0x4f2e3e]
mov ebx, dword [ebp - 0xc4]
mov edi, ebx
mov dword [ebp - 0x24], ecx
mov ecx, dword [ebp + eax*4 - 0x84]
add ecx, dword [ebp - 0xc0]
add ecx, ebx
mov esi, ecx
mov eax, ecx
xor eax, dword [ebp - 0xc8]
xor esi, dword [ebp - 0xc8]
shl eax, 0x10
shr esi, 0x10
or esi, eax
mov eax, dword [ebp - 0x88]
add edx, esi
xor edi, edx
xor ebx, edx
shl edi, 0x14
movzx eax, byte [eax + 0x4f2e3f]
shr ebx, 0xc
or edi, ebx
mov eax, dword [ebp + eax*4 - 0x84]
mov ebx, esi
add eax, ecx
mov ecx, dword [ebp - 0xa8]
add eax, edi
xor esi, eax
mov dword [ebp - 0x38], eax
xor ebx, eax
shr esi, 8
shl ebx, 0x18
or ebx, esi
mov esi, edi
mov dword [ebp - 0xc], ebx
lea eax, [ebx + edx]
xor esi, eax
mov dword [ebp - 0xa0], eax
xor edi, eax
mov dword [ebp - 0x20], eax
mov eax, dword [ebp - 0x88]
shl esi, 0x19
add eax, 0x10
shr edi, 7
or esi, edi
mov dword [ebp - 0x88], eax
mov dword [ebp - 0x8c], esi
mov dword [ebp - 0x34], esi
cmp eax, 0x90
jbe 0x4b173d
mov esi, dword [ebp - 0xcc]
xor edx, edx
mov ecx, dword [esi + 0xf4]
mov eax, dword [ebp + edx - 0x24]
xor eax, dword [ebp + edx - 0x44]
xor dword [edx + ecx], eax
add edx, 4
cmp edx, 0x20
jb 0x4b1c2c
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004b7879
leave
ret