-- Implementation for Lua 5.1/5.2 (with or without bitwise library available)
local function sha256_feed_64(H, str, offs, size)
	-- offs >= 0, size >= 0, size is multiple of 64
	local W, K = common_W, sha2_K_hi
	local h1, h2, h3, h4, h5, h6, h7, h8 = H[1], H[2], H[3], H[4], H[5], H[6], H[7], H[8]
	for pos = offs, offs + size - 1, 64 do
		for j = 1, 16 do
			pos = pos + 4
			local a, b, c, d = string.byte(str, pos - 3, pos)
			W[j] = ((a * 256 + b) * 256 + c) * 256 + d
		end

		for j = 17, 64 do
			local a, b = W[j - 15], W[j - 2]
			W[j] = bit32_bxor(bit32_rrotate(a, 7), bit32_lrotate(a, 14), bit32_rshift(a, 3)) + bit32_bxor(bit32_lrotate(b, 15), bit32_lrotate(b, 13), bit32_rshift(b, 10)) + W[j - 7] + W[j - 16]
		end

		local a, b, c, d, e, f, g, h = h1, h2, h3, h4, h5, h6, h7, h8
		for j = 1, 64 do
			local z = bit32_bxor(bit32_rrotate(e, 6), bit32_rrotate(e, 11), bit32_lrotate(e, 7)) + bit32_band(e, f) + bit32_band(-1 - e, g) + h + K[j] + W[j]
			h = g
			g = f
			f = e
			e = z + d
			d = c
			c = b
			b = a
			a = z + bit32_band(d, c) + bit32_band(a, bit32_bxor(d, c)) + bit32_bxor(bit32_rrotate(a, 2), bit32_rrotate(a, 13), bit32_lrotate(a, 10))
		end

		h1, h2, h3, h4 = (a + h1) % 4294967296, (b + h2) % 4294967296, (c + h3) % 4294967296, (d + h4) % 4294967296
		h5, h6, h7, h8 = (e + h5) % 4294967296, (f + h6) % 4294967296, (g + h7) % 4294967296, (h + h8) % 4294967296
	end

	H[1], H[2], H[3], H[4], H[5], H[6], H[7], H[8] = h1, h2, h3, h4, h5, h6, h7, h8
end

local function sha512_feed_128(H_lo, H_hi, str, offs, size)
	-- offs >= 0, size >= 0, size is multiple of 128
	-- W1_hi, W1_lo, W2_hi, W2_lo, ...   Wk_hi = W[2*k-1], Wk_lo = W[2*k]
	local W, K_lo, K_hi = common_W, sha2_K_lo, sha2_K_hi
	local h1_lo, h2_lo, h3_lo, h4_lo, h5_lo, h6_lo, h7_lo, h8_lo = H_lo[1], H_lo[2], H_lo[3], H_lo[4], H_lo[5], H_lo[6], H_lo[7], H_lo[8]
	local h1_hi, h2_hi, h3_hi, h4_hi, h5_hi, h6_hi, h7_hi, h8_hi = H_hi[1], H_hi[2], H_hi[3], H_hi[4], H_hi[5], H_hi[6], H_hi[7], H_hi[8]
	for pos = offs, offs + size - 1, 128 do
		for j = 1, 16 * 2 do
			pos = pos + 4
			local a, b, c, d = string.byte(str, pos - 3, pos)
			W[j] = ((a * 256 + b) * 256 + c) * 256 + d
		end

		for jj = 34, 160, 2 do
			local a_lo, a_hi, b_lo, b_hi = W[jj - 30], W[jj - 31], W[jj - 4], W[jj - 5]
			local tmp1 = bit32_bxor(bit32_rshift(a_lo, 1) + bit32_lshift(a_hi, 31), bit32_rshift(a_lo, 8) + bit32_lshift(a_hi, 24), bit32_rshift(a_lo, 7) + bit32_lshift(a_hi, 25)) % 4294967296 +
				bit32_bxor(bit32_rshift(b_lo, 19) + bit32_lshift(b_hi, 13), bit32_lshift(b_lo, 3) + bit32_rshift(b_hi, 29), bit32_rshift(b_lo, 6) + bit32_lshift(b_hi, 26)) % 4294967296 +
				W[jj - 14] + W[jj - 32]

			local tmp2 = tmp1 % 4294967296
			W[jj - 1] = bit32_bxor(bit32_rshift(a_hi, 1) + bit32_lshift(a_lo, 31), bit32_rshift(a_hi, 8) + bit32_lshift(a_lo, 24), bit32_rshift(a_hi, 7)) +
				bit32_bxor(bit32_rshift(b_hi, 19) + bit32_lshift(b_lo, 13), bit32_lshift(b_hi, 3) + bit32_rshift(b_lo, 29), bit32_rshift(b_hi, 6)) +
				W[jj - 15] + W[jj - 33] + (tmp1 - tmp2) / 4294967296

			W[jj] = tmp2
		end

		local a_lo, b_lo, c_lo, d_lo, e_lo, f_lo, g_lo, h_lo = h1_lo, h2_lo, h3_lo, h4_lo, h5_lo, h6_lo, h7_lo, h8_lo
		local a_hi, b_hi, c_hi, d_hi, e_hi, f_hi, g_hi, h_hi = h1_hi, h2_hi, h3_hi, h4_hi, h5_hi, h6_hi, h7_hi, h8_hi
		for j = 1, 80 do
			local jj = 2 * j
			local tmp1 = bit32_bxor(bit32_rshift(e_lo, 14) + bit32_lshift(e_hi, 18), bit32_rshift(e_lo, 18) + bit32_lshift(e_hi, 14), bit32_lshift(e_lo, 23) + bit32_rshift(e_hi, 9)) % 4294967296 +
				(bit32_band(e_lo, f_lo) + bit32_band(-1 - e_lo, g_lo)) % 4294967296 +
				h_lo + K_lo[j] + W[jj]

			local z_lo = tmp1 % 4294967296
			local z_hi = bit32_bxor(bit32_rshift(e_hi, 14) + bit32_lshift(e_lo, 18), bit32_rshift(e_hi, 18) + bit32_lshift(e_lo, 14), bit32_lshift(e_hi, 23) + bit32_rshift(e_lo, 9)) +
				bit32_band(e_hi, f_hi) + bit32_band(-1 - e_hi, g_hi) +
				h_hi + K_hi[j] + W[jj - 1] +
				(tmp1 - z_lo) / 4294967296

			h_lo = g_lo
			h_hi = g_hi
			g_lo = f_lo
			g_hi = f_hi
			f_lo = e_lo
			f_hi = e_hi
			tmp1 = z_lo + d_lo
			e_lo = tmp1 % 4294967296
			e_hi = z_hi + d_hi + (tmp1 - e_lo) / 4294967296
			d_lo = c_lo
			d_hi = c_hi
			c_lo = b_lo
			c_hi = b_hi
			b_lo = a_lo
			b_hi = a_hi
			tmp1 = z_lo + (bit32_band(d_lo, c_lo) + bit32_band(b_lo, bit32_bxor(d_lo, c_lo))) % 4294967296 + bit32_bxor(bit32_rshift(b_lo, 28) + bit32_lshift(b_hi, 4), bit32_lshift(b_lo, 30) + bit32_rshift(b_hi, 2), bit32_lshift(b_lo, 25) + bit32_rshift(b_hi, 7)) % 4294967296
			a_lo = tmp1 % 4294967296
			a_hi = z_hi + (bit32_band(d_hi, c_hi) + bit32_band(b_hi, bit32_bxor(d_hi, c_hi))) + bit32_bxor(bit32_rshift(b_hi, 28) + bit32_lshift(b_lo, 4), bit32_lshift(b_hi, 30) + bit32_rshift(b_lo, 2), bit32_lshift(b_hi, 25) + bit32_rshift(b_lo, 7)) + (tmp1 - a_lo) / 4294967296
		end

		a_lo = h1_lo + a_lo
		h1_lo = a_lo % 4294967296
		h1_hi = (h1_hi + a_hi + (a_lo - h1_lo) / 4294967296) % 4294967296
		a_lo = h2_lo + b_lo
		h2_lo = a_lo % 4294967296
		h2_hi = (h2_hi + b_hi + (a_lo - h2_lo) / 4294967296) % 4294967296
		a_lo = h3_lo + c_lo
		h3_lo = a_lo % 4294967296
		h3_hi = (h3_hi + c_hi + (a_lo - h3_lo) / 4294967296) % 4294967296
		a_lo = h4_lo + d_lo
		h4_lo = a_lo % 4294967296
		h4_hi = (h4_hi + d_hi + (a_lo - h4_lo) / 4294967296) % 4294967296
		a_lo = h5_lo + e_lo
		h5_lo = a_lo % 4294967296
		h5_hi = (h5_hi + e_hi + (a_lo - h5_lo) / 4294967296) % 4294967296
		a_lo = h6_lo + f_lo
		h6_lo = a_lo % 4294967296
		h6_hi = (h6_hi + f_hi + (a_lo - h6_lo) / 4294967296) % 4294967296
		a_lo = h7_lo + g_lo
		h7_lo = a_lo % 4294967296
		h7_hi = (h7_hi + g_hi + (a_lo - h7_lo) / 4294967296) % 4294967296
		a_lo = h8_lo + h_lo
		h8_lo = a_lo % 4294967296
		h8_hi = (h8_hi + h_hi + (a_lo - h8_lo) / 4294967296) % 4294967296
	end

	H_lo[1], H_lo[2], H_lo[3], H_lo[4], H_lo[5], H_lo[6], H_lo[7], H_lo[8] = h1_lo, h2_lo, h3_lo, h4_lo, h5_lo, h6_lo, h7_lo, h8_lo
	H_hi[1], H_hi[2], H_hi[3], H_hi[4], H_hi[5], H_hi[6], H_hi[7], H_hi[8] = h1_hi, h2_hi, h3_hi, h4_hi, h5_hi, h6_hi, h7_hi, h8_hi
end

local function md5_feed_64(H, str, offs, size)
	-- offs >= 0, size >= 0, size is multiple of 64
	local W, K, md5_next_shift = common_W, md5_K, md5_next_shift
	local h1, h2, h3, h4 = H[1], H[2], H[3], H[4]
	for pos = offs, offs + size - 1, 64 do
		for j = 1, 16 do
			pos = pos + 4
			local a, b, c, d = string.byte(str, pos - 3, pos)
			W[j] = ((d * 256 + c) * 256 + b) * 256 + a
		end

		local a, b, c, d = h1, h2, h3, h4
		local s = 25
		for j = 1, 16 do
			local F = bit32_rrotate(bit32_band(b, c) + bit32_band(-1 - b, d) + a + K[j] + W[j], s) + b
			s = md5_next_shift[s]
			a = d
			d = c
			c = b
			b = F
		end

		s = 27
		for j = 17, 32 do
			local F = bit32_rrotate(bit32_band(d, b) + bit32_band(-1 - d, c) + a + K[j] + W[(5 * j - 4) % 16 + 1], s) + b
			s = md5_next_shift[s]
			a = d
			d = c
			c = b
			b = F
		end

		s = 28
		for j = 33, 48 do
			local F = bit32_rrotate(bit32_bxor(bit32_bxor(b, c), d) + a + K[j] + W[(3 * j + 2) % 16 + 1], s) + b
			s = md5_next_shift[s]
			a = d
			d = c
			c = b
			b = F
		end

		s = 26
		for j = 49, 64 do
			local F = bit32_rrotate(bit32_bxor(c, bit32_bor(b, -1 - d)) + a + K[j] + W[(j * 7 - 7) % 16 + 1], s) + b
			s = md5_next_shift[s]
			a = d
			d = c
			c = b
			b = F
		end

		h1 = (a + h1) % 4294967296
		h2 = (b + h2) % 4294967296
		h3 = (c + h3) % 4294967296
		h4 = (d + h4) % 4294967296
	end

	H[1], H[2], H[3], H[4] = h1, h2, h3, h4
end

local function sha1_feed_64(H, str, offs, size)
	-- offs >= 0, size >= 0, size is multiple of 64
	local W = common_W
	local h1, h2, h3, h4, h5 = H[1], H[2], H[3], H[4], H[5]
	for pos = offs, offs + size - 1, 64 do
		for j = 1, 16 do
			pos = pos + 4
			local a, b, c, d = string.byte(str, pos - 3, pos)
			W[j] = ((a * 256 + b) * 256 + c) * 256 + d
		end

		for j = 17, 80 do
			W[j] = bit32_lrotate(bit32_bxor(W[j - 3], W[j - 8], W[j - 14], W[j - 16]), 1)
		end

		local a, b, c, d, e = h1, h2, h3, h4, h5
		for j = 1, 20 do
			local z = bit32_lrotate(a, 5) + bit32_band(b, c) + bit32_band(-1 - b, d) + 0x5A827999 + W[j] + e -- constant = math.floor(TWO_POW_30 * sqrt(2))
			e = d
			d = c
			c = bit32_rrotate(b, 2)
			b = a
			a = z
		end

		for j = 21, 40 do
			local z = bit32_lrotate(a, 5) + bit32_bxor(b, c, d) + 0x6ED9EBA1 + W[j] + e -- TWO_POW_30 * sqrt(3)
			e = d
			d = c
			c = bit32_rrotate(b, 2)
			b = a
			a = z
		end

		for j = 41, 60 do
			local z = bit32_lrotate(a, 5) + bit32_band(d, c) + bit32_band(b, bit32_bxor(d, c)) + 0x8F1BBCDC + W[j] + e -- TWO_POW_30 * sqrt(5)
			e = d
			d = c
			c = bit32_rrotate(b, 2)
			b = a
			a = z
		end

		for j = 61, 80 do
			local z = bit32_lrotate(a, 5) + bit32_bxor(b, c, d) + 0xCA62C1D6 + W[j] + e -- TWO_POW_30 * sqrt(10)
			e = d
			d = c
			c = bit32_rrotate(b, 2)
			b = a
			a = z
		end

		h1 = (a + h1) % 4294967296
		h2 = (b + h2) % 4294967296
		h3 = (c + h3) % 4294967296
		h4 = (d + h4) % 4294967296
		h5 = (e + h5) % 4294967296
	end

	H[1], H[2], H[3], H[4], H[5] = h1, h2, h3, h4, h5
end

local function keccak_feed(lanes_lo, lanes_hi, str, offs, size, block_size_in_bytes)
	-- This is an example of a Lua function having 79 local variables :-)
	-- offs >= 0, size >= 0, size is multiple of block_size_in_bytes, block_size_in_bytes is positive multiple of 8
	local RC_lo, RC_hi = sha3_RC_lo, sha3_RC_hi
	local qwords_qty = block_size_in_bytes / 8
	for pos = offs, offs + size - 1, block_size_in_bytes do
		for j = 1, qwords_qty do
			local a, b, c, d = string.byte(str, pos + 1, pos + 4)
			lanes_lo[j] = bit32_bxor(lanes_lo[j], ((d * 256 + c) * 256 + b) * 256 + a)
			pos = pos + 8
			a, b, c, d = string.byte(str, pos - 3, pos)
			lanes_hi[j] = bit32_bxor(lanes_hi[j], ((d * 256 + c) * 256 + b) * 256 + a)
		end

		local L01_lo, L01_hi, L02_lo, L02_hi, L03_lo, L03_hi, L04_lo, L04_hi, L05_lo, L05_hi, L06_lo, L06_hi, L07_lo, L07_hi, L08_lo, L08_hi, L09_lo, L09_hi, L10_lo, L10_hi, L11_lo, L11_hi, L12_lo, L12_hi, L13_lo, L13_hi, L14_lo, L14_hi, L15_lo, L15_hi, L16_lo, L16_hi, L17_lo, L17_hi, L18_lo, L18_hi, L19_lo, L19_hi, L20_lo, L20_hi, L21_lo, L21_hi, L22_lo, L22_hi, L23_lo, L23_hi, L24_lo, L24_hi, L25_lo, L25_hi = lanes_lo[1], lanes_hi[1], lanes_lo[2], lanes_hi[2], lanes_lo[3], lanes_hi[3], lanes_lo[4], lanes_hi[4], lanes_lo[5], lanes_hi[5], lanes_lo[6], lanes_hi[6], lanes_lo[7], lanes_hi[7], lanes_lo[8], lanes_hi[8], lanes_lo[9], lanes_hi[9], lanes_lo[10], lanes_hi[10], lanes_lo[11], lanes_hi[11], lanes_lo[12], lanes_hi[12], lanes_lo[13], lanes_hi[13], lanes_lo[14], lanes_hi[14], lanes_lo[15], lanes_hi[15], lanes_lo[16], lanes_hi[16], lanes_lo[17], lanes_hi[17], lanes_lo[18], lanes_hi[18], lanes_lo[19], lanes_hi[19], lanes_lo[20], lanes_hi[20], lanes_lo[21], lanes_hi[21], lanes_lo[22], lanes_hi[22], lanes_lo[23], lanes_hi[23], lanes_lo[24], lanes_hi[24], lanes_lo[25], lanes_hi[25]

		for round_idx = 1, 24 do
			local C1_lo = bit32_bxor(L01_lo, L06_lo, L11_lo, L16_lo, L21_lo)
			local C1_hi = bit32_bxor(L01_hi, L06_hi, L11_hi, L16_hi, L21_hi)
			local C2_lo = bit32_bxor(L02_lo, L07_lo, L12_lo, L17_lo, L22_lo)
			local C2_hi = bit32_bxor(L02_hi, L07_hi, L12_hi, L17_hi, L22_hi)
			local C3_lo = bit32_bxor(L03_lo, L08_lo, L13_lo, L18_lo, L23_lo)
			local C3_hi = bit32_bxor(L03_hi, L08_hi, L13_hi, L18_hi, L23_hi)
			local C4_lo = bit32_bxor(L04_lo, L09_lo, L14_lo, L19_lo, L24_lo)
			local C4_hi = bit32_bxor(L04_hi, L09_hi, L14_hi, L19_hi, L24_hi)
			local C5_lo = bit32_bxor(L05_lo, L10_lo, L15_lo, L20_lo, L25_lo)
			local C5_hi = bit32_bxor(L05_hi, L10_hi, L15_hi, L20_hi, L25_hi)

			local D_lo = bit32_bxor(C1_lo, C3_lo * 2 + (C3_hi % TWO_POW_32 - C3_hi % TWO_POW_31) / TWO_POW_31)
			local D_hi = bit32_bxor(C1_hi, C3_hi * 2 + (C3_lo % TWO_POW_32 - C3_lo % TWO_POW_31) / TWO_POW_31)

			local T0_lo = bit32_bxor(D_lo, L02_lo)
			local T0_hi = bit32_bxor(D_hi, L02_hi)
			local T1_lo = bit32_bxor(D_lo, L07_lo)
			local T1_hi = bit32_bxor(D_hi, L07_hi)
			local T2_lo = bit32_bxor(D_lo, L12_lo)
			local T2_hi = bit32_bxor(D_hi, L12_hi)
			local T3_lo = bit32_bxor(D_lo, L17_lo)
			local T3_hi = bit32_bxor(D_hi, L17_hi)
			local T4_lo = bit32_bxor(D_lo, L22_lo)
			local T4_hi = bit32_bxor(D_hi, L22_hi)

			L02_lo = (T1_lo % TWO_POW_32 - T1_lo % TWO_POW_20) / TWO_POW_20 + T1_hi * TWO_POW_12
			L02_hi = (T1_hi % TWO_POW_32 - T1_hi % TWO_POW_20) / TWO_POW_20 + T1_lo * TWO_POW_12
			L07_lo = (T3_lo % TWO_POW_32 - T3_lo % TWO_POW_19) / TWO_POW_19 + T3_hi * TWO_POW_13
			L07_hi = (T3_hi % TWO_POW_32 - T3_hi % TWO_POW_19) / TWO_POW_19 + T3_lo * TWO_POW_13
			L12_lo = T0_lo * 2 + (T0_hi % TWO_POW_32 - T0_hi % TWO_POW_31) / TWO_POW_31
			L12_hi = T0_hi * 2 + (T0_lo % TWO_POW_32 - T0_lo % TWO_POW_31) / TWO_POW_31
			L17_lo = T2_lo * TWO_POW_10 + (T2_hi % TWO_POW_32 - T2_hi % TWO_POW_22) / TWO_POW_22
			L17_hi = T2_hi * TWO_POW_10 + (T2_lo % TWO_POW_32 - T2_lo % TWO_POW_22) / TWO_POW_22
			L22_lo = T4_lo * TWO_POW_2 + (T4_hi % TWO_POW_32 - T4_hi % TWO_POW_30) / TWO_POW_30
			L22_hi = T4_hi * TWO_POW_2 + (T4_lo % TWO_POW_32 - T4_lo % TWO_POW_30) / TWO_POW_30

			D_lo = bit32_bxor(C2_lo, C4_lo * 2 + (C4_hi % TWO_POW_32 - C4_hi % TWO_POW_31) / TWO_POW_31)
			D_hi = bit32_bxor(C2_hi, C4_hi * 2 + (C4_lo % TWO_POW_32 - C4_lo % TWO_POW_31) / TWO_POW_31)

			T0_lo = bit32_bxor(D_lo, L03_lo)
			T0_hi = bit32_bxor(D_hi, L03_hi)
			T1_lo = bit32_bxor(D_lo, L08_lo)
			T1_hi = bit32_bxor(D_hi, L08_hi)
			T2_lo = bit32_bxor(D_lo, L13_lo)
			T2_hi = bit32_bxor(D_hi, L13_hi)
			T3_lo = bit32_bxor(D_lo, L18_lo)
			T3_hi = bit32_bxor(D_hi, L18_hi)
			T4_lo = bit32_bxor(D_lo, L23_lo)
			T4_hi = bit32_bxor(D_hi, L23_hi)

			L03_lo = (T2_lo % TWO_POW_32 - T2_lo % TWO_POW_21) / TWO_POW_21 + T2_hi * TWO_POW_11
			L03_hi = (T2_hi % TWO_POW_32 - T2_hi % TWO_POW_21) / TWO_POW_21 + T2_lo * TWO_POW_11
			L08_lo = (T4_lo % TWO_POW_32 - T4_lo % TWO_POW_3) / TWO_POW_3 + T4_hi * TWO_POW_29 % TWO_POW_32
			L08_hi = (T4_hi % TWO_POW_32 - T4_hi % TWO_POW_3) / TWO_POW_3 + T4_lo * TWO_POW_29 % TWO_POW_32
			L13_lo = T1_lo * TWO_POW_6 + (T1_hi % TWO_POW_32 - T1_hi % TWO_POW_26) / TWO_POW_26
			L13_hi = T1_hi * TWO_POW_6 + (T1_lo % TWO_POW_32 - T1_lo % TWO_POW_26) / TWO_POW_26
			L18_lo = T3_lo * TWO_POW_15 + (T3_hi % TWO_POW_32 - T3_hi % TWO_POW_17) / TWO_POW_17
			L18_hi = T3_hi * TWO_POW_15 + (T3_lo % TWO_POW_32 - T3_lo % TWO_POW_17) / TWO_POW_17
			L23_lo = (T0_lo % TWO_POW_32 - T0_lo % TWO_POW_2) / TWO_POW_2 + T0_hi * TWO_POW_30 % TWO_POW_32
			L23_hi = (T0_hi % TWO_POW_32 - T0_hi % TWO_POW_2) / TWO_POW_2 + T0_lo * TWO_POW_30 % TWO_POW_32

			D_lo = bit32_bxor(C3_lo, C5_lo * 2 + (C5_hi % TWO_POW_32 - C5_hi % TWO_POW_31) / TWO_POW_31)
			D_hi = bit32_bxor(C3_hi, C5_hi * 2 + (C5_lo % TWO_POW_32 - C5_lo % TWO_POW_31) / TWO_POW_31)

			T0_lo = bit32_bxor(D_lo, L04_lo)
			T0_hi = bit32_bxor(D_hi, L04_hi)
			T1_lo = bit32_bxor(D_lo, L09_lo)
			T1_hi = bit32_bxor(D_hi, L09_hi)
			T2_lo = bit32_bxor(D_lo, L14_lo)
			T2_hi = bit32_bxor(D_hi, L14_hi)
			T3_lo = bit32_bxor(D_lo, L19_lo)
			T3_hi = bit32_bxor(D_hi, L19_hi)
			T4_lo = bit32_bxor(D_lo, L24_lo)
			T4_hi = bit32_bxor(D_hi, L24_hi)

			L04_lo = T3_lo * TWO_POW_21 % TWO_POW_32 + (T3_hi % TWO_POW_32 - T3_hi % TWO_POW_11) / TWO_POW_11
			L04_hi = T3_hi * TWO_POW_21 % TWO_POW_32 + (T3_lo % TWO_POW_32 - T3_lo % TWO_POW_11) / TWO_POW_11
			L09_lo = T0_lo * TWO_POW_28 % TWO_POW_32 + (T0_hi % TWO_POW_32 - T0_hi % TWO_POW_4) / TWO_POW_4
			L09_hi = T0_hi * TWO_POW_28 % TWO_POW_32 + (T0_lo % TWO_POW_32 - T0_lo % TWO_POW_4) / TWO_POW_4
			L14_lo = T2_lo * TWO_POW_25 % TWO_POW_32 + (T2_hi % TWO_POW_32 - T2_hi % TWO_POW_7) / TWO_POW_7
			L14_hi = T2_hi * TWO_POW_25 % TWO_POW_32 + (T2_lo % TWO_POW_32 - T2_lo % TWO_POW_7) / TWO_POW_7
			L19_lo = (T4_lo % TWO_POW_32 - T4_lo % TWO_POW_8) / TWO_POW_8 + T4_hi * TWO_POW_24 % TWO_POW_32
			L19_hi = (T4_hi % TWO_POW_32 - T4_hi % TWO_POW_8) / TWO_POW_8 + T4_lo * TWO_POW_24 % TWO_POW_32
			L24_lo = (T1_lo % TWO_POW_32 - T1_lo % TWO_POW_9) / TWO_POW_9 + T1_hi * TWO_POW_23 % TWO_POW_32
			L24_hi = (T1_hi % TWO_POW_32 - T1_hi % TWO_POW_9) / TWO_POW_9 + T1_lo * TWO_POW_23 % TWO_POW_32

			D_lo = bit32_bxor(C4_lo, C1_lo * 2 + (C1_hi % TWO_POW_32 - C1_hi % TWO_POW_31) / TWO_POW_31)
			D_hi = bit32_bxor(C4_hi, C1_hi * 2 + (C1_lo % TWO_POW_32 - C1_lo % TWO_POW_31) / TWO_POW_31)

			T0_lo = bit32_bxor(D_lo, L05_lo)
			T0_hi = bit32_bxor(D_hi, L05_hi)
			T1_lo = bit32_bxor(D_lo, L10_lo)
			T1_hi = bit32_bxor(D_hi, L10_hi)
			T2_lo = bit32_bxor(D_lo, L15_lo)
			T2_hi = bit32_bxor(D_hi, L15_hi)
			T3_lo = bit32_bxor(D_lo, L20_lo)
			T3_hi = bit32_bxor(D_hi, L20_hi)
			T4_lo = bit32_bxor(D_lo, L25_lo)
			T4_hi = bit32_bxor(D_hi, L25_hi)

			L05_lo = T4_lo * TWO_POW_14 + (T4_hi % TWO_POW_32 - T4_hi % TWO_POW_18) / TWO_POW_18
			L05_hi = T4_hi * TWO_POW_14 + (T4_lo % TWO_POW_32 - T4_lo % TWO_POW_18) / TWO_POW_18
			L10_lo = T1_lo * TWO_POW_20 % TWO_POW_32 + (T1_hi % TWO_POW_32 - T1_hi % TWO_POW_12) / TWO_POW_12
			L10_hi = T1_hi * TWO_POW_20 % TWO_POW_32 + (T1_lo % TWO_POW_32 - T1_lo % TWO_POW_12) / TWO_POW_12
			L15_lo = T3_lo * TWO_POW_8 + (T3_hi % TWO_POW_32 - T3_hi % TWO_POW_24) / TWO_POW_24
			L15_hi = T3_hi * TWO_POW_8 + (T3_lo % TWO_POW_32 - T3_lo % TWO_POW_24) / TWO_POW_24
			L20_lo = T0_lo * TWO_POW_27 % TWO_POW_32 + (T0_hi % TWO_POW_32 - T0_hi % TWO_POW_5) / TWO_POW_5
			L20_hi = T0_hi * TWO_POW_27 % TWO_POW_32 + (T0_lo % TWO_POW_32 - T0_lo % TWO_POW_5) / TWO_POW_5
			L25_lo = (T2_lo % TWO_POW_32 - T2_lo % TWO_POW_25) / TWO_POW_25 + T2_hi * TWO_POW_7
			L25_hi = (T2_hi % TWO_POW_32 - T2_hi % TWO_POW_25) / TWO_POW_25 + T2_lo * TWO_POW_7

			D_lo = bit32_bxor(C5_lo, C2_lo * 2 + (C2_hi % TWO_POW_32 - C2_hi % TWO_POW_31) / TWO_POW_31)
			D_hi = bit32_bxor(C5_hi, C2_hi * 2 + (C2_lo % TWO_POW_32 - C2_lo % TWO_POW_31) / TWO_POW_31)

			T1_lo = bit32_bxor(D_lo, L06_lo)
			T1_hi = bit32_bxor(D_hi, L06_hi)
			T2_lo = bit32_bxor(D_lo, L11_lo)
			T2_hi = bit32_bxor(D_hi, L11_hi)
			T3_lo = bit32_bxor(D_lo, L16_lo)
			T3_hi = bit32_bxor(D_hi, L16_hi)
			T4_lo = bit32_bxor(D_lo, L21_lo)
			T4_hi = bit32_bxor(D_hi, L21_hi)

			L06_lo = T2_lo * TWO_POW_3 + (T2_hi % TWO_POW_32 - T2_hi % TWO_POW_29) / TWO_POW_29
			L06_hi = T2_hi * TWO_POW_3 + (T2_lo % TWO_POW_32 - T2_lo % TWO_POW_29) / TWO_POW_29
			L11_lo = T4_lo * TWO_POW_18 + (T4_hi % TWO_POW_32 - T4_hi % TWO_POW_14) / TWO_POW_14
			L11_hi = T4_hi * TWO_POW_18 + (T4_lo % TWO_POW_32 - T4_lo % TWO_POW_14) / TWO_POW_14
			L16_lo = (T1_lo % TWO_POW_32 - T1_lo % TWO_POW_28) / TWO_POW_28 + T1_hi * TWO_POW_4
			L16_hi = (T1_hi % TWO_POW_32 - T1_hi % TWO_POW_28) / TWO_POW_28 + T1_lo * TWO_POW_4
			L21_lo = (T3_lo % TWO_POW_32 - T3_lo % TWO_POW_23) / TWO_POW_23 + T3_hi * TWO_POW_9
			L21_hi = (T3_hi % TWO_POW_32 - T3_hi % TWO_POW_23) / TWO_POW_23 + T3_lo * TWO_POW_9

			L01_lo = bit32_bxor(D_lo, L01_lo)
			L01_hi = bit32_bxor(D_hi, L01_hi)
			L01_lo, L02_lo, L03_lo, L04_lo, L05_lo = bit32_bxor(L01_lo, bit32_band(-1 - L02_lo, L03_lo)), bit32_bxor(L02_lo, bit32_band(-1 - L03_lo, L04_lo)), bit32_bxor(L03_lo, bit32_band(-1 - L04_lo, L05_lo)), bit32_bxor(L04_lo, bit32_band(-1 - L05_lo, L01_lo)), bit32_bxor(L05_lo, bit32_band(-1 - L01_lo, L02_lo))
			L01_hi, L02_hi, L03_hi, L04_hi, L05_hi = bit32_bxor(L01_hi, bit32_band(-1 - L02_hi, L03_hi)), bit32_bxor(L02_hi, bit32_band(-1 - L03_hi, L04_hi)), bit32_bxor(L03_hi, bit32_band(-1 - L04_hi, L05_hi)), bit32_bxor(L04_hi, bit32_band(-1 - L05_hi, L01_hi)), bit32_bxor(L05_hi, bit32_band(-1 - L01_hi, L02_hi))
			L06_lo, L07_lo, L08_lo, L09_lo, L10_lo = bit32_bxor(L09_lo, bit32_band(-1 - L10_lo, L06_lo)), bit32_bxor(L10_lo, bit32_band(-1 - L06_lo, L07_lo)), bit32_bxor(L06_lo, bit32_band(-1 - L07_lo, L08_lo)), bit32_bxor(L07_lo, bit32_band(-1 - L08_lo, L09_lo)), bit32_bxor(L08_lo, bit32_band(-1 - L09_lo, L10_lo))
			L06_hi, L07_hi, L08_hi, L09_hi, L10_hi = bit32_bxor(L09_hi, bit32_band(-1 - L10_hi, L06_hi)), bit32_bxor(L10_hi, bit32_band(-1 - L06_hi, L07_hi)), bit32_bxor(L06_hi, bit32_band(-1 - L07_hi, L08_hi)), bit32_bxor(L07_hi, bit32_band(-1 - L08_hi, L09_hi)), bit32_bxor(L08_hi, bit32_band(-1 - L09_hi, L10_hi))
			L11_lo, L12_lo, L13_lo, L14_lo, L15_lo = bit32_bxor(L12_lo, bit32_band(-1 - L13_lo, L14_lo)), bit32_bxor(L13_lo, bit32_band(-1 - L14_lo, L15_lo)), bit32_bxor(L14_lo, bit32_band(-1 - L15_lo, L11_lo)), bit32_bxor(L15_lo, bit32_band(-1 - L11_lo, L12_lo)), bit32_bxor(L11_lo, bit32_band(-1 - L12_lo, L13_lo))
			L11_hi, L12_hi, L13_hi, L14_hi, L15_hi = bit32_bxor(L12_hi, bit32_band(-1 - L13_hi, L14_hi)), bit32_bxor(L13_hi, bit32_band(-1 - L14_hi, L15_hi)), bit32_bxor(L14_hi, bit32_band(-1 - L15_hi, L11_hi)), bit32_bxor(L15_hi, bit32_band(-1 - L11_hi, L12_hi)), bit32_bxor(L11_hi, bit32_band(-1 - L12_hi, L13_hi))
			L16_lo, L17_lo, L18_lo, L19_lo, L20_lo = bit32_bxor(L20_lo, bit32_band(-1 - L16_lo, L17_lo)), bit32_bxor(L16_lo, bit32_band(-1 - L17_lo, L18_lo)), bit32_bxor(L17_lo, bit32_band(-1 - L18_lo, L19_lo)), bit32_bxor(L18_lo, bit32_band(-1 - L19_lo, L20_lo)), bit32_bxor(L19_lo, bit32_band(-1 - L20_lo, L16_lo))
			L16_hi, L17_hi, L18_hi, L19_hi, L20_hi = bit32_bxor(L20_hi, bit32_band(-1 - L16_hi, L17_hi)), bit32_bxor(L16_hi, bit32_band(-1 - L17_hi, L18_hi)), bit32_bxor(L17_hi, bit32_band(-1 - L18_hi, L19_hi)), bit32_bxor(L18_hi, bit32_band(-1 - L19_hi, L20_hi)), bit32_bxor(L19_hi, bit32_band(-1 - L20_hi, L16_hi))
			L21_lo, L22_lo, L23_lo, L24_lo, L25_lo = bit32_bxor(L23_lo, bit32_band(-1 - L24_lo, L25_lo)), bit32_bxor(L24_lo, bit32_band(-1 - L25_lo, L21_lo)), bit32_bxor(L25_lo, bit32_band(-1 - L21_lo, L22_lo)), bit32_bxor(L21_lo, bit32_band(-1 - L22_lo, L23_lo)), bit32_bxor(L22_lo, bit32_band(-1 - L23_lo, L24_lo))
			L21_hi, L22_hi, L23_hi, L24_hi, L25_hi = bit32_bxor(L23_hi, bit32_band(-1 - L24_hi, L25_hi)), bit32_bxor(L24_hi, bit32_band(-1 - L25_hi, L21_hi)), bit32_bxor(L25_hi, bit32_band(-1 - L21_hi, L22_hi)), bit32_bxor(L21_hi, bit32_band(-1 - L22_hi, L23_hi)), bit32_bxor(L22_hi, bit32_band(-1 - L23_hi, L24_hi))
			L01_lo = bit32_bxor(L01_lo, RC_lo[round_idx])
			L01_hi = L01_hi + RC_hi[round_idx] -- RC_hi[] is either 0 or 0x80000000, so we could use fast addition instead of slow XOR
		end

		lanes_lo[1] = L01_lo
		lanes_hi[1] = L01_hi
		lanes_lo[2] = L02_lo
		lanes_hi[2] = L02_hi
		lanes_lo[3] = L03_lo
		lanes_hi[3] = L03_hi
		lanes_lo[4] = L04_lo
		lanes_hi[4] = L04_hi
		lanes_lo[5] = L05_lo
		lanes_hi[5] = L05_hi
		lanes_lo[6] = L06_lo
		lanes_hi[6] = L06_hi
		lanes_lo[7] = L07_lo
		lanes_hi[7] = L07_hi
		lanes_lo[8] = L08_lo
		lanes_hi[8] = L08_hi
		lanes_lo[9] = L09_lo
		lanes_hi[9] = L09_hi
		lanes_lo[10] = L10_lo
		lanes_hi[10] = L10_hi
		lanes_lo[11] = L11_lo
		lanes_hi[11] = L11_hi
		lanes_lo[12] = L12_lo
		lanes_hi[12] = L12_hi
		lanes_lo[13] = L13_lo
		lanes_hi[13] = L13_hi
		lanes_lo[14] = L14_lo
		lanes_hi[14] = L14_hi
		lanes_lo[15] = L15_lo
		lanes_hi[15] = L15_hi
		lanes_lo[16] = L16_lo
		lanes_hi[16] = L16_hi
		lanes_lo[17] = L17_lo
		lanes_hi[17] = L17_hi
		lanes_lo[18] = L18_lo
		lanes_hi[18] = L18_hi
		lanes_lo[19] = L19_lo
		lanes_hi[19] = L19_hi
		lanes_lo[20] = L20_lo
		lanes_hi[20] = L20_hi
		lanes_lo[21] = L21_lo
		lanes_hi[21] = L21_hi
		lanes_lo[22] = L22_lo
		lanes_hi[22] = L22_hi
		lanes_lo[23] = L23_lo
		lanes_hi[23] = L23_hi
		lanes_lo[24] = L24_lo
		lanes_hi[24] = L24_hi
		lanes_lo[25] = L25_lo
		lanes_hi[25] = L25_hi
	end
end