Function at 0x10028930
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x1008315c
mov eax, dword fs:[0]
push eax
sub esp, 0xa8
mov eax, dword [0x100a2078]
xor eax, ebp
mov dword [ebp - 0x14], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov eax, ecx
mov dword [ebp - 0x44], eax
mov ecx, dword [ebp + 0xc]
mov dword [ebp - 0x80], ecx
mov ecx, dword [ebp + 0x10]
mov dword [ebp - 0x7c], ecx
mov dword [ebp - 4], 0
cmp dword [0x100a55f0], 0
je 0x10029020
cmp byte [0x100a28a9], 0
je 0x10029020
add eax, 0x10
mov ebx, 0xa
mov dword [ebp - 0x4c], eax
mov edi, eax
nop dword [eax]
mov esi, dword [edi]
test esi, esi
je 0x100289bc
push 4
push esi
call dword [sym.imp.KERNEL32.dll_IsBadReadPtr]
test eax, eax
jne 0x100289bc
push eax
mov ecx, esi
call dword [0x100981e8]
add edi, 4
sub ebx, 1
jne 0x100289a0
mov ebx, dword [ebp - 0x44]
mov ecx, dword [ebx + 4]
call dword [0x100982cc]
mov esi, dword [ebp - 0x80]
mov ecx, dword [ebp - 0x7c]
mov ax, word [esi]
cmp ax, word [ecx]
jb 0x10028b5b
mov ax, word [esi + 2]
cmp ax, word [ecx + 2]
jb 0x10028b5b
mov ax, word [esi + 4]
cmp ax, word [ecx + 4]
jb 0x10028b5b
mov ax, word [esi + 6]
cmp ax, word [ecx + 6]
jb 0x10028b5b
mov ebx, dword [ebp - 0x4c]
mov ecx, dword [ebx]
call fcn.10017180
mov ecx, dword [ebp - 0x44]
mov edi, edx
mov ecx, dword [ecx + 0xc]
call fcn.10017180
mov ecx, dword [ebx]
mov dword [ebp - 0x48], eax
call fcn.10017200
mov ebx, dword [sym.imp.KERNEL32.dll_IsBadReadPtr]
add edi, eax
mov eax, dword [ebp - 0x44]
mov esi, dword [eax + 0xc]
test esi, esi
je 0x10028a54
push 4
push esi
call ebx
test eax, eax
jne 0x10028a54
push edi
push dword [ebp - 0x48]
mov ecx, esi
call dword [0x100981e0]
cmp dword [ebp + 0x28], 0x10
lea eax, [ebp + 0x14]
mov dl, 0x26
mov byte [ebp - 0x3d], 0
cmovae eax, dword [ebp + 0x14]
mov cl, 0x55
push eax
mov al, 3
mov byte [ebp - 0x40], dl
xor al, dl
mov byte [ebp - 0x3d], 0
sub esp, 0x18
mov byte [ebp - 0x3f], al
xor cl, dl
lea eax, [ebp - 0x3f]
mov byte [ebp - 0x3e], cl
mov ecx, esp
push eax
call fcn.10002810
lea eax, [ebp - 0xb0]
push eax
call fcn.1000bf20
add esp, 0x20
mov edi, dword [ebp - 0x44]
mov edx, eax
mov byte [ebp - 4], 1
mov ecx, dword [edi + 8]
call fcn.10017a20
lea ecx, [ebp - 0xb0]
mov byte [ebp - 4], 0
call fcn.100021c0
movaps xmm0, xmmword [0x10098c70]
xor ecx, ecx
movups xmmword [ebp - 0x98], xmm0
mov dword [ebp - 0x88], 0x91508
mov dword [ebp - 0x84], 0x440011
nop dword [eax]
mov al, byte [ebp - 0x98]
xor byte [ebp + ecx - 0x97], al
inc ecx
cmp ecx, 0x16
jb 0x10028ae0
sub esp, 0x18
mov byte [ebp - 0x81], 0
lea eax, [ebp - 0x97]
mov ecx, esp
push eax
call fcn.10002810
lea eax, [ebp - 0xb0]
push eax
call fcn.1000bf20
add esp, 0x1c
mov byte [ebp - 4], 2
mov edx, eax
mov ecx, dword [edi + 0x38]
call fcn.10017a20
lea ecx, [ebp - 0xb0]
mov byte [ebp - 4], 0
call fcn.100021c0
mov esi, dword [ebp - 0x4c]
mov esi, dword [esi]
test esi, esi
je 0x10028b53
push 4
push esi
call ebx
test eax, eax
jne 0x10028b53
push 1
mov ecx, esi
call dword [0x100981e8]
mov ecx, dword [edi + 4]
jmp 0x10029018
cmp dword [ebp + 0x28], 0x10
lea eax, [ebp + 0x14]
mov dl, 9
mov byte [ebp - 0x3d], 0
cmovae eax, dword [ebp + 0x14]
mov cl, 0x7a
push eax
mov byte [ebp - 0x40], dl
mov al, 0x2c
xor al, dl
mov byte [ebp - 0x3d], 0
xor cl, dl
mov byte [ebp - 0x3f], al
sub esp, 0x18
mov byte [ebp - 0x3e], cl
mov edx, esp
mov dword [edx + 0x10], 0
mov dword [edx + 0x14], 0
mov dword [edx + 0x14], 0xf
cmp dword [edx + 0x14], 0x10
mov dword [edx + 0x10], 0
jb 0x10028bad
mov eax, dword [edx]
jmp 0x10028baf
mov eax, edx
mov byte [eax], 0
cmp byte [ebp - 0x3f], 0
jne 0x10028bbc
xor ecx, ecx
jmp 0x10028bce
lea ecx, [ebp - 0x3f]
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x10028bc2
sub ecx, esi
mov esi, dword [ebp - 0x80]
push ecx
lea eax, [ebp - 0x3f]
mov ecx, edx
push eax
call fcn.10002710
lea eax, [ebp - 0x98]
push eax
call fcn.1000bf20
add esp, 0x20
mov byte [ebp - 4], 3
mov edx, eax
mov ecx, dword [ebx + 8]
call fcn.10017a20
mov byte [ebp - 4], 0
mov eax, dword [ebp - 0x84]
cmp eax, 0x10
jb 0x10028c19
inc eax
lea ecx, [ebp - 0x98]
push eax
push dword [ebp - 0x98]
call fcn.100025f0
mov edi, dword [ebp + 8]
sub dword [ebp - 0x7c], edi
sub esi, edi
mov dword [ebp - 0x84], 0xf
mov dword [ebp - 0x88], 0
mov byte [ebp - 0x98], 0
mov dword [ebp - 0x80], esi
mov dword [ebp - 0x48], 4
nop word [eax + eax]
movzx eax, word [edi]
test ax, ax
je 0x10028ffe
mov esi, dword [0x100a5a18]
mov edx, eax
mov eax, esi
mov ecx, dword [esi + 4]
cmp byte [ecx + 0xd], 0
jne 0x10028c8d
nop
cmp dword [ecx + 0x10], edx
jae 0x10028c7a
mov ecx, dword [ecx + 8]
jmp 0x10028c7e
mov eax, ecx
mov ecx, dword [ecx]
cmp byte [ecx + 0xd], 0
je 0x10028c70
cmp eax, esi
je 0x10028c8d
cmp edx, dword [eax + 0x10]
jae 0x10028c8f
mov eax, esi
cmp eax, esi
jne 0x10028c97
xor esi, esi
jmp 0x10028c9a
lea esi, [eax + 0x14]
mov bh, 0x6a
mov byte [ebp - 0x68], 0
mov al, 4
mov byte [ebp - 0x70], bh
mov dl, al
mov byte [ebp - 0x68], 0
mov dh, 0x3f
mov dword [ebp - 0x20], 0xf
mov ch, dl
mov dword [ebp - 0x24], 0
mov cl, 1
mov byte [ebp - 0x34], 0
mov bl, 5
mov ah, 0x1d
xor dh, bh
xor al, bh
xor cl, bh
mov byte [ebp - 0x6f], dh
xor dl, bh
mov byte [ebp - 0x6e], al
xor bl, bh
mov byte [ebp - 0x6d], cl
xor ah, bh
mov byte [ebp - 0x6c], dl
xor ch, bh
mov byte [ebp - 0x6b], bl
mov byte [ebp - 0x6a], ah
mov byte [ebp - 0x69], ch
test dh, dh
jne 0x10028cf2
xor ecx, ecx
jmp 0x10028d01
lea ecx, [ebp - 0x6f]
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x10028cf8
sub ecx, edx
push ecx
lea eax, [ebp - 0x6f]
push eax
lea ecx, [ebp - 0x34]
call fcn.10002710
mov byte [ebp - 4], 4
test esi, esi
je 0x10028d35
add esi, 4
lea eax, [ebp - 0x34]
cmp eax, esi
je 0x10028e2b
push 0xffffffffffffffff
push 0
push esi
mov ecx, eax
call fcn.100022d0
jmp 0x10028e2b
cmp word [edi], 1
jne 0x10028e2b
cmp byte [0x100a5655], 0
mov edi, dword [0x100a55f0]
je 0x10028d81
mov ecx, 0xd78c9c
call fcn.10017d30
mov esi, eax
test esi, esi
je 0x10028d81
mov ebx, dword [sym.imp.KERNEL32.dll_IsBadReadPtr]
push 4
push esi
call ebx
test eax, eax
jne 0x10028d81
push 4
add esi, 0x6a0
push esi
call ebx
test eax, eax
jne 0x10028d81
mov al, byte [esi]
mov byte [edi + 0x34], al
cmp byte [edi + 0x34], 1
jne 0x10028dd4
mov byte [ebp - 0x64], 0x44
mov al, 1
xor al, byte [ebp - 0x64]
mov dl, 0x64
mov dh, 0x25
mov byte [ebp - 0x63], al
mov al, byte [ebp - 0x64]
mov cl, 0x28
mov bl, 9
mov byte [ebp - 0x5b], 0
mov ah, 0x2b
mov byte [ebp - 0x5b], 0
mov ch, 0x36
xor dl, al
xor dh, al
mov byte [ebp - 0x61], dl
mov bh, 0x20
mov byte [ebp - 0x5d], dh
xor cl, al
lea edx, [ebp - 0x63]
xor bl, al
mov byte [ebp - 0x62], cl
xor ah, al
mov byte [ebp - 0x60], bl
xor ch, al
mov byte [ebp - 0x5f], ah
xor bh, al
mov byte [ebp - 0x5e], ch
mov byte [ebp - 0x5c], bh
jmp 0x10028e07
mov ch, 0x62
mov byte [ebp - 0x72], 0
mov dl, 0x10
mov byte [ebp - 0x78], ch
mov al, 0x29
mov byte [ebp - 0x72], 0
mov cl, 3
mov bl, 0x17
xor dl, ch
mov ah, 0x11
xor al, ch
mov byte [ebp - 0x75], dl
xor cl, ch
mov byte [ebp - 0x77], al
xor bl, ch
mov byte [ebp - 0x76], cl
xor ah, ch
mov byte [ebp - 0x74], bl
mov byte [ebp - 0x73], ah
lea edx, [ebp - 0x77]
cmp byte [edx], 0
jne 0x10028e10
xor ecx, ecx
jmp 0x10028e1e
mov ecx, edx
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x10028e15
sub ecx, esi
push ecx
push edx
lea ecx, [ebp - 0x34]
call fcn.10002710
mov edi, dword [ebp + 8]
mov eax, dword [ebp - 0x7c]
mov dl, 0x5c
cmp dword [ebp - 0x20], 0x10
mov cl, 0xf
mov byte [ebp - 0x58], 0x7c
mov ch, 0x53
mov byte [ebp - 0x4f], 0
movzx eax, word [eax + edi]
push eax
mov eax, dword [ebp - 0x80]
mov byte [ebp - 0x4f], 0
movzx eax, word [eax + edi]
push eax
lea eax, [ebp - 0x34]
cmovae eax, dword [ebp - 0x34]
push eax
mov al, 0x59
mov ah, 0x18
mov bl, al
sub esp, 0x18
xor al, byte [ebp - 0x58]
mov dh, bl
mov byte [ebp - 0x57], al
mov bh, ah
mov al, byte [ebp - 0x58]
xor dl, al
xor dh, al
mov byte [ebp - 0x55], dl
xor cl, al
mov byte [ebp - 0x51], dh
xor bl, al
mov edx, esp
mov byte [ebp - 0x56], cl
mov byte [ebp - 0x54], bl
xor ah, al
mov byte [ebp - 0x53], ah
xor ch, al
mov byte [ebp - 0x52], ch
xor bh, al
mov byte [ebp - 0x50], bh
mov dword [edx + 0x10], 0
mov dword [edx + 0x14], 0
mov dword [edx + 0x14], 0xf
cmp dword [edx + 0x14], 0x10
mov dword [edx + 0x10], 0
jb 0x10028eba
mov eax, dword [edx]
jmp 0x10028ebc
mov eax, edx
mov byte [eax], 0
cmp byte [ebp - 0x57], 0
jne 0x10028ec9
xor ecx, ecx
jmp 0x10028ed9
lea ecx, [ebp - 0x57]
lea esi, [ecx + 1]
nop
mov al, byte [ecx]
inc ecx
test al, al
jne 0x10028ed0
sub ecx, esi
push ecx
lea eax, [ebp - 0x57]
mov ecx, edx
push eax
call fcn.10002710
lea eax, [ebp - 0xb0]
push eax
call fcn.1000bf20
add esp, 0x28
mov edi, dword [ebp - 0x4c]
mov edx, eax
mov byte [ebp - 4], 5
mov ecx, dword [edi + 0x28]
call fcn.10017a20
mov byte [ebp - 4], 4
mov eax, dword [ebp - 0x9c]
cmp eax, 0x10
jb 0x10028f27
inc eax
lea ecx, [ebp - 0xb0]
push eax
push dword [ebp - 0xb0]
call fcn.100025f0
mov esi, dword [edi]
mov ebx, dword [sym.imp.KERNEL32.dll_IsBadReadPtr]
mov dword [ebp - 0x38], 0
mov dword [ebp - 0x3c], 0
test esi, esi
je 0x10028f56
push 4
push esi
call ebx
test eax, eax
jne 0x10028f56
lea eax, [ebp - 0x3c]
mov ecx, esi
push eax
call dword [0x100981dc]
mov eax, dword [ebp - 0x44]
mov dword [ebp - 0x18], 0
mov dword [ebp - 0x1c], 0
mov esi, dword [eax + 0xc]
test esi, esi
je 0x10028f83
push 4
push esi
call ebx
test eax, eax
jne 0x10028f83
lea eax, [ebp - 0x1c]
mov ecx, esi
push eax
call dword [0x100981dc]
mov esi, dword [edi]
test esi, esi
je 0x10028fa0
push 4
push esi
call ebx
test eax, eax
jne 0x10028fa0
mov ecx, dword [esi + 0xe8]
sub ecx, dword [esi + 0xe0]
jmp 0x10028fa2
xor ecx, ecx
mov eax, dword [ebp - 0x44]
mov edi, dword [ebp - 0x38]
add edi, ecx
mov esi, dword [eax + 0xc]
test esi, esi
je 0x10028fc6
push 4
push esi
call ebx
test eax, eax
jne 0x10028fc6
push edi
push dword [ebp - 0x1c]
mov ecx, esi
call dword [0x100981e0]
mov esi, dword [ebp - 0x4c]
mov esi, dword [esi]
test esi, esi
je 0x10028fe2
push 4
push esi
call ebx
test eax, eax
jne 0x10028fe2
push 1
mov ecx, esi
call dword [0x100981e8]
mov byte [ebp - 4], 0
mov eax, dword [ebp - 0x20]
cmp eax, 0x10
jb 0x10028ffb
inc eax
lea ecx, [ebp - 0x34]
push eax
push dword [ebp - 0x34]
call fcn.100025f0
mov edi, dword [ebp + 8]
add dword [ebp - 0x4c], 4
add edi, 2
sub dword [ebp - 0x48], 1
mov dword [ebp + 8], edi
jne 0x10028c50
mov eax, dword [ebp - 0x44]
mov ecx, dword [eax + 4]
push 1
call dword [0x100982d0]
mov eax, dword [ebp + 0x28]
cmp eax, 0x10
jb 0x10029035
inc eax
lea ecx, [ebp + 0x14]
push eax
push dword [ebp + 0x14]
call fcn.100025f0
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.10066135
mov esp, ebp
pop ebp
ret 0x24