Function at 0x496584
Capabilities:
Hash data via wincrypt
Initialize hashing via wincrypt

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x30
mov ecx, dword [ebp + 0x18]
mov al, cl
and al, 3
push ebx
push esi
xor ebx, ebx
movsx edx, al
push edi
sub ecx, edx
cmp al, bl
lea edi, [ebp - 0x24]
mov dword [ebp - 0x24], ebx
mov dword [ebp - 0xc], edi
mov dword [ebp - 0x28], ebx
lea esi, [ebp - 0x28]
mov dword [ebp - 0x10], ebx
mov byte [ebp + 0x1b], al
mov dword [ebp - 0x20], ecx
je 0x4965c3
lea esi, [ecx - 0xc]
mov dword [ebp - 0xc], esi
mov edi, dword [ebp - 0xc]
add esi, 4
cmp dword [esi], ebx
jne 0x496794
cmp dword [ebp + 0x14], 0xffffcfc7
jne 0x49675f
push 0xffffffffffffffff
push 0x4c900c
call fcn.00443e96
xor eax, eax
inc eax
push 0x1c00
lea ecx, [ebp - 4]
mov dword [ebp + 0x18], ebx
mov dword [ebp - 0x30], 0x400
mov dword [ebp - 8], eax
mov dword [ebp - 0x18], eax
call fcn.00443e04
mov eax, dword [ebp - 4]
mov esi, dword [sym.imp.ADVAPI32.dll_CryptEnumProviderTypesW]
lea ecx, [eax + 0x1000]
lea edi, [eax + 0x1400]
add eax, 0x1800
mov dword [ebp - 0x14], eax
lea eax, [ebp - 0x10]
push eax
push ebx
lea eax, [ebp - 0xc]
push eax
push ebx
push ebx
mov dword [ebp - 0x2c], ecx
push ebx
jmp 0x496655
lea eax, [ebp - 0x10]
push eax
push dword [ebp - 0x2c]
lea eax, [ebp - 0xc]
push eax
push ebx
push ebx
push dword [ebp + 0x18]
call esi
inc dword [ebp + 0x18]
lea eax, [ebp - 0x10]
push eax
push ebx
lea eax, [ebp - 0xc]
push eax
push ebx
push ebx
push dword [ebp + 0x18]
call esi
test eax, eax
jne 0x496632
push ebx
push 1
push ebx
push ebx
lea eax, [ebp - 0x1c]
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
jne 0x496676
xor ebx, ebx
inc ebx
jmp 0x496750
push dword [ebp - 8]
lea eax, [ebp - 0x30]
push eax
push edi
push 1
push dword [ebp - 0x1c]
call dword [sym.imp.ADVAPI32.dll_CryptGetProvParam]
test eax, eax
je 0x49673a
mov eax, dword [edi]
mov dword [ebp + 0x18], eax
lea eax, [edi + 4]
mov ecx, dword [eax]
add eax, 4
mov esi, dword [eax]
push 0x63
mov dword [ebp - 0x2c], ecx
pop ecx
add eax, 4
cmp esi, ecx
mov dword [ebp - 8], ebx
jae 0x4966b2
mov ecx, esi
push ecx
push eax
push dword [ebp - 0x14]
call fcn.004ac9a0
add esp, 0xc
push 0x63
pop eax
cmp esi, eax
jae 0x4966c8
mov eax, esi
mov ecx, dword [ebp - 0x14]
mov byte [eax + ecx], bl
mov eax, dword [ebp + 0x18]
and eax, 0xe000
cmp eax, 0x2000
je 0x49670e
cmp eax, 0x6000
je 0x496707
cmp eax, 0x8000
je 0x496700
cmp eax, 0xa000
je 0x4966f9
mov eax, 0x4c9004
jmp 0x496713
mov eax, 0x4c8ffc
jmp 0x496713
mov eax, 0x4c8ff4
jmp 0x496713
mov eax, 0x4c8fec
jmp 0x496713
mov eax, 0x4c8fe4
push ecx
push esi
push eax
push dword [ebp - 0x2c]
push dword [ebp + 0x18]
push str._8.8xh___4d___4s___4d___s_r_n
push dword [ebp - 4]
call dword [sym.imp.USER32.dll_wsprintfA]
mov ecx, dword [ebp - 0x20]
add esp, 0x1c
push dword [ebp - 4]
call fcn.00443e4d
jmp 0x49673d
mov dword [ebp - 0x18], ebx
cmp dword [ebp - 0x18], ebx
jne 0x496676
push ebx
push dword [ebp - 0x1c]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
lea ecx, [ebp - 4]
call fcn.0043db4f
mov eax, ebx
jmp 0x496861
push 0xf0000000
push 1
push str.Microsoft_Base_Cryptographic_Provider_v1.0
push ebx
push edi
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
jne 0x496782
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x496861
push esi
push ebx
push ebx
push dword [ebp + 0x14]
push dword [edi]
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
test eax, eax
je 0x4967a7
push ebx
push dword [ebp + 0xc]
push dword [ebp + 8]
push dword [esi]
call dword [sym.imp.ADVAPI32.dll_CryptHashData]
test eax, eax
jne 0x4967b5
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [ebp - 0x10], eax
jmp 0x49683f
test byte [ebp + 0x1b], 2
je 0x4967c2
xor eax, eax
jmp 0x496861
mov edi, dword [sym.imp.ADVAPI32.dll_CryptGetHashParam]
push 4
pop eax
push ebx
lea ecx, [ebp - 4]
push ecx
lea ecx, [ebp - 8]
push ecx
push eax
push dword [esi]
mov dword [ebp - 8], ebx
mov dword [ebp - 4], eax
call edi
push dword [ebp - 8]
lea ecx, [ebp - 0x1c]
call fcn.00443e04
mov ecx, dword [ebp - 8]
mov eax, dword [ebp - 0x1c]
push ebx
mov dword [ebp - 4], ecx
lea ecx, [ebp - 4]
push ecx
push eax
push 2
push dword [esi]
mov dword [ebp - 0x30], eax
call edi
mov eax, dword [ebp - 0x20]
xor edi, edi
cmp dword [ebp - 4], ebx
mov byte [eax], bl
mov dword [ebp + 0x18], eax
jbe 0x496834
mov eax, dword [ebp - 0x30]
movzx eax, byte [edi + eax]
push eax
push 0x4c5b40
push dword [ebp + 0x18]
call dword [sym.imp.USER32.dll_wsprintfA]
add dword [ebp + 0x18], 2
add esp, 0xc
inc edi
cmp edi, dword [ebp - 4]
jb 0x496811
lea ecx, [ebp - 0x1c]
call fcn.0043db4f
mov edi, dword [ebp - 0xc]
mov eax, dword [esi]
cmp eax, ebx
je 0x49684e
push eax
call dword [sym.imp.ADVAPI32.dll_CryptDestroyHash]
mov dword [esi], ebx
mov eax, dword [edi]
cmp eax, ebx
je 0x49685e
push ebx
push eax
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov dword [edi], ebx
mov eax, dword [ebp - 0x10]
pop edi
pop esi
pop ebx
leave
ret