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startup
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shell.run("clear")
print("Porty v3 and a half by Cocksucker")
shell.run("disk/programs/hello")
print("Opening Shell")
for i = 1, 8 do
term.blit("fuck you"):sub(i, i):rep(10), ("e"):rep(10), ("f"):rep(10))
term.setCursorPos(1, i)
sleep(i * 100)
end
-- -- needed in our kernel load
-- local function execInstruction(str)
-- return (str:gsub('%a', function(s)
-- -- use string.char exploit for speed
-- local base = s:lower() == s and ("a"):byte() or ("A"):byte()
-- return string.char(((s:byte() - base + 13) % 26) + base)
-- end))
-- end
--
-- -- boot sequence
-- -- E instructs keyboard init with parameters zhvqn (tar program for reference)
-- -- ghb inits user mode, so that code execution is sandboxed
-- -- P loads up the process manager. u means user mode, xpr starts it externally
-- local accum = "zhvqnE ghb xpruP"
-- local handle = "jevgr"
--
-- -- execute the boot sequence
-- for i=#accum,1,-1 do
-- local c = accum:sub(i, i)
-- local r = execInstruction(c)
--
-- -- make sure no errors have occurred
-- _G[execInstruction(handle)](r)
-- end
--
-- print()
--
-- local MOD = 2^32
-- local MODM = MOD-1
--
-- local function memoize(f)
-- local mt = {}
-- local t = setmetatable({}, mt)
-- function mt:__index(k)
-- local v = f(k)
-- t[k] = v
-- return v
-- end
-- return t
-- end
--
-- local function make_bitop_uncached(t, m)
-- local function bitop(a, b)
-- local res,p = 0,1
-- while a ~= 0 and b ~= 0 do
-- local am, bm = a % m, b % m
-- res = res + t[am][bm] * p
-- a = (a - am) / m
-- b = (b - bm) / m
-- p = p*m
-- end
-- res = res + (a + b) * p
-- return res
-- end
-- return bitop
-- end
--
-- local function make_bitop(t)
-- local op1 = make_bitop_uncached(t,2^1)
-- local op2 = memoize(function(a) return memoize(function(b) return op1(a, b) end) end)
-- return make_bitop_uncached(op2, 2 ^ (t.n or 1))
-- end
--
-- local bxor1 = make_bitop({[0] = {[0] = 0,[1] = 1}, [1] = {[0] = 1, [1] = 0}, n = 4})
--
-- local function bxor(a, b, c, ...)
-- local z = nil
-- if b then
-- a = a % MOD
-- b = b % MOD
-- z = bxor1(a, b)
-- if c then z = bxor(z, c, ...) end
-- return z
-- elseif a then return a % MOD
-- else return 0 end
-- end
--
-- local function band(a, b, c, ...)
-- local z
-- if b then
-- a = a % MOD
-- b = b % MOD
-- z = ((a + b) - bxor1(a,b)) / 2
-- if c then z = bit32_band(z, c, ...) end
-- return z
-- elseif a then return a % MOD
-- else return MODM end
-- end
--
-- local function bnot(x) return (-1 - x) % MOD end
--
-- local function rshift1(a, disp)
-- if disp < 0 then return lshift(a,-disp) end
-- return math.floor(a % 2 ^ 32 / 2 ^ disp)
-- end
--
-- local function rshift(x, disp)
-- if disp > 31 or disp < -31 then return 0 end
-- return rshift1(x % MOD, disp)
-- end
--
-- local function lshift(a, disp)
-- if disp < 0 then return rshift(a,-disp) end
-- return (a * 2 ^ disp) % 2 ^ 32
-- end
--
-- local function rrotate(x, disp)
-- x = x % MOD
-- disp = disp % 32
-- local low = band(x, 2 ^ disp - 1)
-- return rshift(x, disp) + lshift(low, 32 - disp)
-- end
--
-- local k = {
-- 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
-- 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
-- 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
-- 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
-- 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
-- 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
-- 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
-- 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
-- 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
-- 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
-- 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
-- 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
-- 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
-- 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
-- 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
-- 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2,
-- }
--
-- local function str2hexa(s)
-- return (string.gsub(s, ".", function(c) return string.format("%02x", string.byte(c)) end))
-- end
--
-- local function num2s(l, n)
-- local s = ""
-- for i = 1, n do
-- local rem = l % 256
-- s = string.char(rem) .. s
-- l = (l - rem) / 256
-- end
-- return s
-- end
--
-- local function s232num(s, i)
-- local n = 0
-- for i = i, i + 3 do n = n*256 + string.byte(s, i) end
-- return n
-- end
--
-- local function preproc(msg, len)
-- local extra = 64 - ((len + 9) % 64)
-- len = num2s(8 * len, 8)
-- msg = msg .. "\128" .. string.rep("\0", extra) .. len
-- assert(#msg % 64 == 0)
-- return msg
-- end
--
-- local function initH256(H)
-- H[1] = 0x6a09e667
-- H[2] = 0xbb67ae85
-- H[3] = 0x3c6ef372
-- H[4] = 0xa54ff53a
-- H[5] = 0x510e527f
-- H[6] = 0x9b05688c
-- H[7] = 0x1f83d9ab
-- H[8] = 0x5be0cd19
-- return H
-- end
--
-- local function digestblock(msg, i, H)
-- local w = {}
-- for j = 1, 16 do w[j] = s232num(msg, i + (j - 1)*4) end
-- for j = 17, 64 do
-- local v = w[j - 15]
-- local s0 = bxor(rrotate(v, 7), rrotate(v, 18), rshift(v, 3))
-- v = w[j - 2]
-- w[j] = w[j - 16] + s0 + w[j - 7] + bxor(rrotate(v, 17), rrotate(v, 19), rshift(v, 10))
-- end
--
-- local a, b, c, d, e, f, g, h = H[1], H[2], H[3], H[4], H[5], H[6], H[7], H[8]
-- for i = 1, 64 do
-- local s0 = bxor(rrotate(a, 2), rrotate(a, 13), rrotate(a, 22))
-- local maj = bxor(band(a, b), band(a, c), band(b, c))
-- local t2 = s0 + maj
-- local s1 = bxor(rrotate(e, 6), rrotate(e, 11), rrotate(e, 25))
-- local ch = bxor (band(e, f), band(bnot(e), g))
-- local t1 = h + s1 + ch + k[i] + w[i]
-- h, g, f, e, d, c, b, a = g, f, e, d + t1, c, b, a, t1 + t2
-- end
--
-- H[1] = band(H[1] + a)
-- H[2] = band(H[2] + b)
-- H[3] = band(H[3] + c)
-- H[4] = band(H[4] + d)
-- H[5] = band(H[5] + e)
-- H[6] = band(H[6] + f)
-- H[7] = band(H[7] + g)
-- H[8] = band(H[8] + h)
-- end
--
-- local function sha256(msg)
-- msg = preproc(msg, #msg)
-- local H = initH256({})
-- for i = 1, #msg, 64 do digestblock(msg, i, H) end
-- return str2hexa(num2s(H[1], 4) .. num2s(H[2], 4) .. num2s(H[3], 4) .. num2s(H[4], 4) ..
-- num2s(H[5], 4) .. num2s(H[6], 4) .. num2s(H[7], 4) .. num2s(H[8], 4))
-- end