Function at 0x10157920
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push ebx
push esi
mov esi, dword [ebp + 8]
xor ebx, ebx
xor ecx, ecx
mov dword [ebp - 4], ebx
push edi
mov eax, dword [esi + 0x1c]
sub eax, 0x20
mov dword [esi + 0x54], 0
mov dword [esi + 0x20], eax
mov eax, dword [esi + 0x24]
mov dword [esi + 0x50], eax
mov word [esi + 0x4e], 0
mov dword [esi + 0x2c], 0
mov dword [eax + 8], eax
xor eax, eax
mov word [esi + 0x4c], ax
cmp cx, word [esi + 0x78]
jge 0x10157a45
nop dword [eax]
mov eax, dword [esi + 0x84]
push dword [ebp + 0xc]
mov dword [esi + 0x5c], 0
mov dword [esi + 0x58], 0
movzx eax, word [eax + ebx*2]
push eax
push ecx
push esi
call fcn.10157d60
add esp, 0x10
test al, al
jne 0x10157b6a
mov eax, dword [esi + 0x84]
mov edi, dword [esi + 4]
mov edx, dword [esi + 0x40]
movzx eax, word [eax + ebx*2]
mov dword [ebp - 8], eax
lea eax, [edi - 1]
test edx, eax
jne 0x101579db
cmp edx, dword [esi + 0x44]
jl 0x101579db
cmp edx, dword [esi + 0x48]
jg 0x101579db
mov ecx, dword [esi + 0x58]
test ecx, ecx
je 0x101579db
mov eax, dword [esi + 0x50]
mov cl, byte [ecx + 0xc]
xor cl, byte [eax + 0xc]
test cl, 8
jne 0x101579db
add dword [esi + 0x24], 0xfffffffc
mov ebx, dword [esi + 0x50]
mov eax, dword [esi + 0x24]
cmp eax, dword [ebx + 8]
je 0x101579f7
test byte [ebx + 0xc], 8
je 0x101579f7
neg edi
and edi, edx
sub edx, edi
cmp edx, dword [esi + 8]
jmp 0x10157a05
lea eax, [edi - 1]
neg edi
add eax, edx
and eax, edi
sub eax, edx
cmp eax, dword [esi + 8]
setge byte [ebp + 8]
push dword [ebp + 8]
push esi
call fcn.101586a0
add esp, 8
test al, al
jne 0x10157b6a
mov eax, dword [esi + 0x58]
test eax, eax
je 0x10157a27
mov dword [ebx + 0x1c], eax
mov eax, dword [ebp - 8]
mov ebx, dword [ebp - 4]
inc eax
inc ebx
movzx ecx, ax
movsx eax, word [esi + 0x78]
mov dword [ebp - 4], ebx
cmp ebx, eax
jl 0x10157970
movzx eax, word [esi + 0x4c]
mov ecx, dword [esi + 0x54]
movzx edx, ax
mov dword [ebp + 8], edx
cmp ax, 1
jbe 0x10157b73
test ecx, ecx
je 0x10157b73
mov edi, dword [ecx + 0x10]
lea ebx, [ecx + 4]
mov dword [ebp - 8], ebx
cmp dx, 1
jbe 0x10157a77
mov eax, dword [ecx + 8]
lea eax, [eax + edi*4]
jmp 0x10157a79
xor eax, eax
mov dword [ebx], eax
test byte [ecx + 0xc], 8
mov ebx, dword [ecx + 0x14]
mov edx, ebx
je 0x10157a8b
dec ebx
add ebx, edi
jmp 0x10157a9b
sub edx, edi
lea eax, [edi*4 - 4]
inc edx
add dword [ecx + 8], eax
mov dword [ecx + 0x14], edx
mov eax, dword [esi + 0x2c]
mov edi, dword [esi + 0x1c]
lea ecx, [eax - 1]
shl eax, 2
sub edi, eax
test ecx, ecx
js 0x10157acd
nop dword [eax]
cmp edx, dword [edi + ecx*4]
jge 0x10157abc
sub ecx, 1
jns 0x10157ab0
jmp 0x10157acd
jle 0x10157aed
nop
mov eax, dword [edi + ecx*4]
mov dword [edi + ecx*4], edx
sub ecx, 1
mov edx, eax
jns 0x10157ac0
add dword [esi + 0x20], 0xfffffffc
mov eax, dword [esi + 0x20]
cmp eax, dword [esi + 0x24]
jbe 0x10157b63
inc dword [esi + 0x2c]
mov eax, dword [esi + 0x2c]
mov ecx, dword [esi + 0x1c]
shl eax, 2
sub ecx, eax
mov dword [ecx], edx
mov eax, dword [esi + 0x2c]
lea edx, [ebx + 1]
mov edi, dword [esi + 0x1c]
lea ecx, [eax - 1]
shl eax, 2
sub edi, eax
test ecx, ecx
js 0x10157b1d
cmp edx, dword [edi + ecx*4]
jge 0x10157b0e
sub ecx, 1
jns 0x10157b02
jmp 0x10157b1d
jle 0x10157b39
mov eax, dword [edi + ecx*4]
mov dword [edi + ecx*4], edx
sub ecx, 1
mov edx, eax
jns 0x10157b10
add dword [esi + 0x20], 0xfffffffc
mov eax, dword [esi + 0x20]
cmp eax, dword [esi + 0x24]
jbe 0x10157b63
inc dword [esi + 0x2c]
mov eax, dword [esi + 0x2c]
mov ecx, dword [esi + 0x1c]
shl eax, 2
sub ecx, eax
mov dword [ecx], edx
mov edx, dword [ebp + 8]
mov ecx, dword [ebp - 8]
add edx, 0xffff
mov dword [ebp + 8], edx
mov ecx, dword [ecx]
test dx, dx
jne 0x10157a60
mov eax, dword [esi + 0x24]
cmp eax, dword [esi + 0x20]
pop edi
pop esi
setae al
pop ebx
mov esp, ebp
pop ebp
ret
mov dword [esi + 0x28], 0x62
pop edi
pop esi
mov al, 1
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, dword [esi + 0x24]
cmp eax, dword [esi + 0x20]
pop edi
mov dword [esi + 0x54], 0
setae al
pop esi
pop ebx
mov esp, ebp
pop ebp
ret