Function at 0x42a750
Capabilities:
Authenticate hmac
Hash data using sha256

Disassembly:
push ebp
push edi
mov ebp, ecx
push esi
push ebx
mov ebx, eax
xor eax, eax
mov ecx, 0x10
sub esp, 0xd0
cmp dword [esp + 0xe8], 0x1f
lea esi, [esp + 0x70]
mov dword [esp + 0x54], 0xbb67ae85
mov dword [esp + 0x58], 0x3c6ef372
mov dword [esp + 0x5c], 0xa54ff53a
mov edi, esi
mov dword [esp + 0x60], 0x510e527f
mov dword [esp + 0x64], 0x9b05688c
mov dword [esp + 0x68], 0x1f83d9ab
mov dword [esp + 0x6c], 0x5be0cd19
mov dword [esp + 0x4c], 0
mov dword [esp + 0x50], 0x6a09e667
rep stosd dword es:[edi], eax
jle 0x42ac20
mov eax, dword [esp + 0xe4]
mov edi, edx
mov esi, ebx
add esi, 0x20
add edi, ebp
mov dword [esp + 0x14], edx
mov dword [esp + 0x18], ebp
mov dword [esp + 0x10], ebx
xor edx, edx
mov dword [esp + 4], eax
mov dword [esp], 1
xor eax, eax
mov dword [esp + 0xc], esi
mov dword [esp + 0x1c], edi
lea esi, [esi]
lea edi, [edi]
mov ebx, dword [esp + 0x10]
mov ebp, edx
mov edi, dword [esp + 0xc]
mov esi, ebx
jmp 0x42a835
add dword [esp + 0x4c], 1
lea ecx, [esp + 0x48]
add ebx, 1
call fcn.004276e0
cmp edi, ebx
mov eax, dword [esp + 0x48]
je 0x42a868
mov edx, eax
shr edx, 5
and edx, 0xf
mov ebp, dword [esp + edx*4 + 0x70]
movzx edx, byte [ebx]
mov ecx, eax
shl ebp, 8
shr ecx, 5
add eax, 8
and ecx, 0xf
mov dword [esp + 0x48], eax
xor edx, 0x36
movzx edx, dl
or edx, ebp
test eax, eax
mov dword [esp + ecx*4 + 0x70], edx
je 0x42a810
test eax, 0x1ff
je 0x42a815
add ebx, 1
cmp edi, ebx
jne 0x42a829
mov edi, 0x20
jmp 0x42a887
add dword [esp + 0x4c], 1
lea ecx, [esp + 0x48]
call fcn.004276e0
sub edi, 1
mov eax, dword [esp + 0x48]
je 0x42a8b7
mov edx, eax
add eax, 8
shr edx, 5
mov dword [esp + 0x48], eax
and edx, 0xf
add edx, 8
mov ecx, dword [esp + edx*4 + 0x50]
shl ecx, 8
or ecx, 0x36
test eax, eax
mov dword [esp + edx*4 + 0x50], ecx
je 0x42a870
test eax, 0x1ff
je 0x42a875
sub edi, 1
jne 0x42a887
mov edx, dword [esp + 0x18]
mov edi, dword [esp + 0x14]
test edx, edx
jle 0x42a921
mov dword [esp + 8], ebx
mov ebx, dword [esp + 0x1c]
jmp 0x42a8e9
add dword [esp + 0x4c], 1
lea ecx, [esp + 0x48]
add edi, 1
call fcn.004276e0
cmp ebx, edi
mov eax, dword [esp + 0x48]
je 0x42a91d
mov edx, eax
movzx ebp, byte [edi]
add eax, 8
shr edx, 5
mov dword [esp + 0x48], eax
and edx, 0xf
add edx, 8
mov ecx, dword [esp + edx*4 + 0x50]
shl ecx, 8
or ecx, ebp
test eax, eax
mov dword [esp + edx*4 + 0x50], ecx
je 0x42a8d0
test eax, 0x1ff
je 0x42a8d5
add edi, 1
cmp ebx, edi
jne 0x42a8e9
mov ebx, dword [esp + 8]
mov edx, eax
mov edi, dword [esp]
add eax, 8
shr edx, 5
mov dword [esp + 0x48], eax
and edx, 0xf
add edx, 8
shr edi, 0x18
mov ecx, dword [esp + edx*4 + 0x50]
shl ecx, 8
or ecx, edi
test eax, eax
mov dword [esp + edx*4 + 0x50], ecx
jne 0x42ac10
add dword [esp + 0x4c], 1
lea ecx, [esp + 0x48]
call fcn.004276e0
mov eax, dword [esp + 0x48]
mov edx, eax
mov edi, dword [esp]
add eax, 8
shr edx, 5
mov dword [esp + 0x48], eax
and edx, 0xf
add edx, 8
sar edi, 0x10
mov ecx, dword [esp + edx*4 + 0x50]
shl ecx, 8
mov ebp, ecx
mov ecx, edi
movzx edi, cl
mov ecx, ebp
or ecx, edi
test eax, eax
mov dword [esp + edx*4 + 0x50], ecx
jne 0x42abf0
add dword [esp + 0x4c], 1
lea ecx, [esp + 0x48]
call fcn.004276e0
mov eax, dword [esp + 0x48]
mov edx, eax
add eax, 8
shr edx, 5
mov dword [esp + 0x48], eax
and edx, 0xf
add edx, 8
mov ecx, dword [esp + edx*4 + 0x50]
shl ecx, 8
mov ebp, ecx
mov ecx, dword [esp]
movzx edi, ch
mov ecx, ebp
or ecx, edi
test eax, eax
mov dword [esp + edx*4 + 0x50], ecx
jne 0x42abe0
add dword [esp + 0x4c], 1
lea ecx, [esp + 0x48]
call fcn.004276e0
mov eax, dword [esp + 0x48]
mov edx, eax
movzx edi, byte [esp]
add eax, 8
shr edx, 5
mov dword [esp + 0x48], eax
and edx, 0xf
add edx, 8
mov ecx, dword [esp + edx*4 + 0x50]
shl ecx, 8
or ecx, edi
test eax, eax
mov dword [esp + edx*4 + 0x50], ecx
jne 0x42ac00
add dword [esp + 0x4c], 1
lea ecx, [esp + 0x48]
call fcn.004276e0
lea ecx, [esp + 0x48]
call fcn.00429e10
mov edx, dword [eax]
mov dword [esp + 0x28], edx
mov edx, dword [eax + 4]
mov dword [esp + 0x2c], edx
mov edx, dword [eax + 8]
mov dword [esp + 0x30], edx
mov edx, dword [eax + 0xc]
mov dword [esp + 0x34], edx
mov edx, dword [eax + 0x10]
mov dword [esp + 0x38], edx
mov edx, dword [eax + 0x14]
mov dword [esp + 0x3c], edx
mov edx, dword [eax + 0x18]
mov eax, dword [eax + 0x1c]
mov dword [esp + 0x40], edx
mov dword [esp + 0x44], eax
mov eax, dword [esp + 0x48]
jmp 0x42aa89
add dword [esp + 0x4c], 1
lea ecx, [esp + 0x48]
add esi, 1
call fcn.004276e0
cmp ebx, esi
mov eax, dword [esp + 0x48]
je 0x42aac3
mov ecx, eax
movzx edx, byte [esi]
add eax, 8
shr ecx, 5
mov dword [esp + 0x48], eax
and ecx, 0xf
add ecx, 8
mov edi, dword [esp + ecx*4 + 0x50]
xor edx, 0x5c
movzx edx, dl
shl edi, 8
or edx, edi
test eax, eax
mov dword [esp + ecx*4 + 0x50], edx
je 0x42aa70
test eax, 0x1ff
je 0x42aa75
add esi, 1
cmp ebx, esi
jne 0x42aa89
mov ebx, 0x20
jmp 0x42aae7
add dword [esp + 0x4c], 1
lea ecx, [esp + 0x48]
call fcn.004276e0
sub ebx, 1
mov eax, dword [esp + 0x48]
je 0x42ab17
mov edx, eax
add eax, 8
shr edx, 5
mov dword [esp + 0x48], eax
and edx, 0xf
add edx, 8
mov ecx, dword [esp + edx*4 + 0x50]
shl ecx, 8
or ecx, 0x5c
test eax, eax
mov dword [esp + edx*4 + 0x50], ecx
je 0x42aad0
test eax, 0x1ff
je 0x42aad5
sub ebx, 1
jne 0x42aae7
lea ebx, [esp + 0x28]
jmp 0x42ab3d
add dword [esp + 0x4c], 1
lea ecx, [esp + 0x48]
add ebx, 1
call fcn.004276e0
lea eax, [esp + 0x48]
cmp ebx, eax
je 0x42ab75
mov eax, dword [esp + 0x48]
mov edx, eax
movzx esi, byte [ebx]
add eax, 8
shr edx, 5
mov dword [esp + 0x48], eax
and edx, 0xf
add edx, 8
mov ecx, dword [esp + edx*4 + 0x50]
shl ecx, 8
or ecx, esi
test eax, eax
mov dword [esp + edx*4 + 0x50], ecx
je 0x42ab20
test eax, 0x1ff
je 0x42ab25
lea eax, [esp + 0x48]
add ebx, 1
cmp ebx, eax
jne 0x42ab39
lea ecx, [esp + 0x48]
call fcn.00429e10
mov esi, dword [esp + 4]
mov edx, dword [eax]
add dword [esp], 1
mov dword [esi], edx
mov edx, dword [eax + 4]
add esi, 0x20
mov dword [esi - 0x1c], edx
mov edx, dword [eax + 8]
mov dword [esi - 0x18], edx
mov edx, dword [eax + 0xc]
mov dword [esi - 0x14], edx
mov edx, dword [eax + 0x10]
mov dword [esi - 0x10], edx
mov edx, dword [eax + 0x14]
mov dword [esi - 0xc], edx
mov edx, dword [eax + 0x18]
mov dword [esi - 8], edx
mov eax, dword [eax + 0x1c]
mov dword [esi - 4], eax
mov eax, dword [esp]
mov dword [esp + 4], esi
shl eax, 5
cmp dword [esp + 0xe8], eax
jl 0x42ac20
mov eax, dword [esp + 0x48]
mov edx, eax
shr edx, 5
and edx, 0xf
mov edx, dword [esp + edx*4 + 0x70]
jmp 0x42a800
test eax, 0x1ff
jne 0x42a9eb
jmp 0x42a9de
test eax, 0x1ff
jne 0x42a9a8
jmp 0x42a99b
test eax, 0x1ff
jne 0x42aa24
jmp 0x42aa1b
test eax, 0x1ff
jne 0x42a960
jmp 0x42a953
add esp, 0xd0
pop ebx
pop esi
pop edi
pop ebp
ret