/
t2.rb
538 lines (507 loc) · 17.9 KB
/
t2.rb
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# coding: utf-8
require_relative "sha256lib.rb"
# -------
# Default
# -------
if !defined? $input
$input = "abc"
$message = $input.unpack("B*")[0] # 011000010110001001100011
$padded = padding($message)
$blocks = split($padded, 512)
# message block
$block_number = 0 # message block number
$block = $blocks[$block_number]
# message schedule
$schedule = calculate_schedule($block)
end
# Schedule (Wt)
w = $schedule
# Constants (Kt)
k = K
# Initial Hash Values
initial = IV
$hash = initial.clone
# T1
t1 = add(w[0], k[0], usigma1($hash[4]), ch($hash[4], $hash[5], $hash[6]), $hash[7])
# --------
# Settings
# --------
indent = " " * 2
# ---------
# Animation
# ---------
# Start
system "clear"
puts $state + "\n" if defined? $state
puts "#{indent}-----------"
puts "#{indent}compression: (T2)"
puts "#{indent}-----------"
puts "#{indent}W0 = #{bits(w[0])} (message schedule)"
puts "#{indent}K0 = #{bits(k[0])} (constant)"
puts
puts "#{indent}T1 = Σ1(e) + Ch(e, f, g) + h + K0 + W0"
puts
puts
puts "#{indent}a = #{bits($hash[0])}"
puts "#{indent}b = #{bits($hash[1])}"
puts "#{indent}c = #{bits($hash[2])}"
puts "#{indent}d = #{bits($hash[3])}"
puts "#{indent}e = #{bits($hash[4])}"
puts "#{indent}f = #{bits($hash[5])}"
puts "#{indent}g = #{bits($hash[6])}"
puts "#{indent}h = #{bits($hash[7])}"
delay(:normal)
# Start
system "clear"
puts $state + "\n" if defined? $state
puts "#{indent}-----------"
puts "#{indent}compression: (T2)"
puts "#{indent}-----------"
puts "#{indent}W0 = #{bits(w[0])} (message schedule)"
puts "#{indent}K0 = #{bits(k[0])} (constant)"
puts
puts "#{indent}T1 = Σ1(e) + Ch(e, f, g) + h + K0 + W0"
puts "#{indent}T2 ="
puts
puts "#{indent}a = #{bits($hash[0])}"
puts "#{indent}b = #{bits($hash[1])}"
puts "#{indent}c = #{bits($hash[2])}"
puts "#{indent}d = #{bits($hash[3])}"
puts "#{indent}e = #{bits($hash[4])}"
puts "#{indent}f = #{bits($hash[5])}"
puts "#{indent}g = #{bits($hash[6])}"
puts "#{indent}h = #{bits($hash[7])}"
delay(:normal)
# Start
system "clear"
puts $state + "\n" if defined? $state
puts "#{indent}-----------"
puts "#{indent}compression: (T2)"
puts "#{indent}-----------"
puts "#{indent}W0 = #{bits(w[0])} (message schedule)"
puts "#{indent}K0 = #{bits(k[0])} (constant)"
puts
puts "#{indent}T1 = Σ1(e) + Ch(e, f, g) + h + K0 + W0"
puts "#{indent}T2 = Σ0(a) + Maj(a, b, c)"
puts
puts "#{indent}a = #{bits($hash[0])}"
puts "#{indent}b = #{bits($hash[1])}"
puts "#{indent}c = #{bits($hash[2])}"
puts "#{indent}d = #{bits($hash[3])}"
puts "#{indent}e = #{bits($hash[4])}"
puts "#{indent}f = #{bits($hash[5])}"
puts "#{indent}g = #{bits($hash[6])}"
puts "#{indent}h = #{bits($hash[7])}"
delay(:normal)
# Maj(a, b, c)
system "clear"
puts $state + "\n" if defined? $state
puts "#{indent}-----------"
puts "#{indent}compression: (T2)"
puts "#{indent}-----------"
puts "#{indent}W0 = #{bits(w[0])} (message schedule)"
puts "#{indent}K0 = #{bits(k[0])} (constant)"
puts
puts "#{indent}T1 = Σ1(e) + Ch(e, f, g) + h + K0 + W0"
puts "#{indent}T2 = Σ0(a) + Maj(a, b, c)"
puts
puts "#{indent}a = #{bits($hash[0])} -> "
puts "#{indent}b = #{bits($hash[1])} -> "
puts "#{indent}c = #{bits($hash[2])} -> "
puts "#{indent}d = #{bits($hash[3])}"
puts "#{indent}e = #{bits($hash[4])}"
puts "#{indent}f = #{bits($hash[5])}"
puts "#{indent}g = #{bits($hash[6])}"
puts "#{indent}h = #{bits($hash[7])}"
delay(:normal)
# Maj(a, b, c)
system "clear"
puts $state + "\n" if defined? $state
puts "#{indent}-----------"
puts "#{indent}compression: (T2)"
puts "#{indent}-----------"
puts "#{indent}W0 = #{bits(w[0])} (message schedule)"
puts "#{indent}K0 = #{bits(k[0])} (constant)"
puts
puts "#{indent}T1 = Σ1(e) + Ch(e, f, g) + h + K0 + W0"
puts "#{indent}T2 = Σ0(a) + Maj(a, b, c)"
puts
puts "#{indent}a = #{bits($hash[0])} -> #{bits($hash[0])}"
puts "#{indent}b = #{bits($hash[1])} -> #{bits($hash[1])}"
puts "#{indent}c = #{bits($hash[2])} -> #{bits($hash[2])}"
puts "#{indent}d = #{bits($hash[3])}"
puts "#{indent}e = #{bits($hash[4])}"
puts "#{indent}f = #{bits($hash[5])}"
puts "#{indent}g = #{bits($hash[6])}"
puts "#{indent}h = #{bits($hash[7])}"
delay(:normal)
# Maj(a, b, c)
32.downto(1) do |i|
system "clear"
puts $state + "\n" if defined? $state
puts "#{indent}-----------"
puts "#{indent}compression: (T2)"
puts "#{indent}-----------"
puts "#{indent}W0 = #{bits(w[0])} (message schedule)"
puts "#{indent}K0 = #{bits(k[0])} (constant)"
puts
puts "#{indent}T1 = Σ1(e) + Ch(e, f, g) + h + K0 + W0"
puts "#{indent}T2 = Σ0(a) + Maj(a, b, c)"
puts "#{indent} #{ " " * 32 } #{"▼".rjust(i, " ")}"
puts "#{indent}a = #{bits($hash[0])} -> #{bits($hash[0])} #{bits(initial[0])[i-1]}"
puts "#{indent}b = #{bits($hash[1])} -> #{bits($hash[1])} #{bits(initial[1])[i-1]}"
puts "#{indent}c = #{bits($hash[2])} -> #{bits($hash[2])} #{bits(initial[2])[i-1]}"
puts "#{indent}d = #{bits($hash[3])} #{bits(maj($hash[0], $hash[1], $hash[2]))[i-1..-1].rjust(32, " ")} Maj(a, b, c)"
puts "#{indent}e = #{bits($hash[4])}"
puts "#{indent}f = #{bits($hash[5])}"
puts "#{indent}g = #{bits($hash[6])}"
puts "#{indent}h = #{bits($hash[7])}"
delay(:fastest)
end
delay(:normal)
# Maj(a, b, c)
system "clear"
puts $state + "\n" if defined? $state
puts "#{indent}-----------"
puts "#{indent}compression: (T2)"
puts "#{indent}-----------"
puts "#{indent}W0 = #{bits(w[0])} (message schedule)"
puts "#{indent}K0 = #{bits(k[0])} (constant)"
puts
puts "#{indent}T1 = Σ1(e) + Ch(e, f, g) + h + K0 + W0"
puts "#{indent}T2 = Σ0(a) + Maj(a, b, c)"
puts
puts "#{indent}a = #{bits($hash[0])} -> #{bits($hash[0])}"
puts "#{indent}b = #{bits($hash[1])} -> #{bits($hash[1])}"
puts "#{indent}c = #{bits($hash[2])} -> #{bits($hash[2])}"
puts "#{indent}d = #{bits($hash[3])} #{bits(maj($hash[0], $hash[1], $hash[2]))} Maj(a, b, c)"
puts "#{indent}e = #{bits($hash[4])}"
puts "#{indent}f = #{bits($hash[5])}"
puts "#{indent}g = #{bits($hash[6])}"
puts "#{indent}h = #{bits($hash[7])}"
delay(:normal)
# Maj(a, b, c)
system "clear"
puts $state + "\n" if defined? $state
puts "#{indent}-----------"
puts "#{indent}compression: (T2)"
puts "#{indent}-----------"
puts "#{indent}W0 = #{bits(w[0])} (message schedule)"
puts "#{indent}K0 = #{bits(k[0])} (constant)"
puts
puts "#{indent}T1 = Σ1(e) + Ch(e, f, g) + h + K0 + W0"
puts "#{indent}T2 = Σ0(a) + Maj(a, b, c)"
puts
puts "#{indent}a = #{bits($hash[0])}"
puts "#{indent}b = #{bits($hash[1])}"
puts "#{indent}c = #{bits($hash[2])}"
puts "#{indent}d = #{bits($hash[3])} #{bits(maj($hash[0], $hash[1], $hash[2]))} Maj(a, b, c)"
puts "#{indent}e = #{bits($hash[4])}"
puts "#{indent}f = #{bits($hash[5])}"
puts "#{indent}g = #{bits($hash[6])}"
puts "#{indent}h = #{bits($hash[7])}"
delay(:normal)
# Σ0(a)
system "clear"
puts $state + "\n" if defined? $state
puts "#{indent}-----------"
puts "#{indent}compression: (T2)"
puts "#{indent}-----------"
puts "#{indent}W0 = #{bits(w[0])} (message schedule)"
puts "#{indent}K0 = #{bits(k[0])} (constant)"
puts
puts "#{indent}T1 = Σ1(e) + Ch(e, f, g) + h + K0 + W0"
puts "#{indent}T2 = Σ0(a) + Maj(a, b, c)"
puts
puts "#{indent}a = #{bits($hash[0])} ->"
puts "#{indent}b = #{bits($hash[1])}"
puts "#{indent}c = #{bits($hash[2])}"
puts "#{indent}d = #{bits($hash[3])} #{bits(maj($hash[0], $hash[1], $hash[2]))} Maj(a, b, c)"
puts "#{indent}e = #{bits($hash[4])}"
puts "#{indent}f = #{bits($hash[5])}"
puts "#{indent}g = #{bits($hash[6])}"
puts "#{indent}h = #{bits($hash[7])}"
delay(:fast)
# Σ0(a)
system "clear"
puts $state + "\n" if defined? $state
puts "#{indent}-----------"
puts "#{indent}compression: (T2)"
puts "#{indent}-----------"
puts "#{indent}W0 = #{bits(w[0])} (message schedule)"
puts "#{indent}K0 = #{bits(k[0])} (constant)"
puts
puts "#{indent}T1 = Σ1(e) + Ch(e, f, g) + h + K0 + W0"
puts "#{indent}T2 = Σ0(a) + Maj(a, b, c)"
puts
puts "#{indent}a = #{bits($hash[0])} -> #{bits($hash[0])}"
puts "#{indent}b = #{bits($hash[1])}"
puts "#{indent}c = #{bits($hash[2])}"
puts "#{indent}d = #{bits($hash[3])} #{bits(maj($hash[0], $hash[1], $hash[2]))} Maj(a, b, c)"
puts "#{indent}e = #{bits($hash[4])}"
puts "#{indent}f = #{bits($hash[5])}"
puts "#{indent}g = #{bits($hash[6])}"
puts "#{indent}h = #{bits($hash[7])}"
delay(:fast)
# Σ0(a)
system "clear"
puts $state + "\n" if defined? $state
puts "#{indent}-----------"
puts "#{indent}compression: (T2)"
puts "#{indent}-----------"
puts "#{indent}W0 = #{bits(w[0])} (message schedule)"
puts "#{indent}K0 = #{bits(k[0])} (constant)"
puts
puts "#{indent}T1 = Σ1(e) + Ch(e, f, g) + h + K0 + W0"
puts "#{indent}T2 = Σ0(a) + Maj(a, b, c)"
puts
puts "#{indent}a = #{bits($hash[0])} -> #{bits($hash[0])}"
puts "#{indent}b = #{bits($hash[1])} #{bits($hash[0])}"
puts "#{indent}c = #{bits($hash[2])}"
puts "#{indent}d = #{bits($hash[3])} #{bits(maj($hash[0], $hash[1], $hash[2]))} Maj(a, b, c)"
puts "#{indent}e = #{bits($hash[4])}"
puts "#{indent}f = #{bits($hash[5])}"
puts "#{indent}g = #{bits($hash[6])}"
puts "#{indent}h = #{bits($hash[7])}"
delay(:fast)
# Σ0(a)
system "clear"
puts $state + "\n" if defined? $state
puts "#{indent}-----------"
puts "#{indent}compression: (T2)"
puts "#{indent}-----------"
puts "#{indent}W0 = #{bits(w[0])} (message schedule)"
puts "#{indent}K0 = #{bits(k[0])} (constant)"
puts
puts "#{indent}T1 = Σ1(e) + Ch(e, f, g) + h + K0 + W0"
puts "#{indent}T2 = Σ0(a) + Maj(a, b, c)"
puts
puts "#{indent}a = #{bits($hash[0])} -> #{bits($hash[0])}"
puts "#{indent}b = #{bits($hash[1])} #{bits($hash[0])}"
puts "#{indent}c = #{bits($hash[2])} #{bits($hash[0])}"
puts "#{indent}d = #{bits($hash[3])} #{bits(maj($hash[0], $hash[1], $hash[2]))} Maj(a, b, c)"
puts "#{indent}e = #{bits($hash[4])}"
puts "#{indent}f = #{bits($hash[5])}"
puts "#{indent}g = #{bits($hash[6])}"
puts "#{indent}h = #{bits($hash[7])}"
delay(:normal)
# Σ0(a)
2.times do |i|
system "clear"
puts $state + "\n" if defined? $state
puts "#{indent}-----------"
puts "#{indent}compression: (T2)"
puts "#{indent}-----------"
puts "#{indent}W0 = #{bits(w[0])} (message schedule)"
puts "#{indent}K0 = #{bits(k[0])} (constant)"
puts
puts "#{indent}T1 = Σ1(e) + Ch(e, f, g) + h + K0 + W0"
puts "#{indent}T2 = Σ0(a) + Maj(a, b, c)"
puts
puts "#{indent}a = #{bits($hash[0])} -> #{bits(rotr(i+1, $hash[0]))} ROTR 2"
puts "#{indent}b = #{bits($hash[1])} #{bits($hash[0])}"
puts "#{indent}c = #{bits($hash[2])} #{bits($hash[0])}"
puts "#{indent}d = #{bits($hash[3])} #{bits(maj($hash[0], $hash[1], $hash[2]))} Maj(a, b, c)"
puts "#{indent}e = #{bits($hash[4])}"
puts "#{indent}f = #{bits($hash[5])}"
puts "#{indent}g = #{bits($hash[6])}"
puts "#{indent}h = #{bits($hash[7])}"
delay(:fastest)
end
delay(:normal)
# Σ0(a)
13.times do |i|
system "clear"
puts $state + "\n" if defined? $state
puts "#{indent}-----------"
puts "#{indent}compression: (T2)"
puts "#{indent}-----------"
puts "#{indent}W0 = #{bits(w[0])} (message schedule)"
puts "#{indent}K0 = #{bits(k[0])} (constant)"
puts
puts "#{indent}T1 = Σ1(e) + Ch(e, f, g) + h + K0 + W0"
puts "#{indent}T2 = Σ0(a) + Maj(a, b, c)"
puts
puts "#{indent}a = #{bits($hash[0])} -> #{bits(rotr(2, $hash[0]))} ROTR 2"
puts "#{indent}b = #{bits($hash[1])} #{bits(rotr(i+1, $hash[0]))} ROTR 13"
puts "#{indent}c = #{bits($hash[2])} #{bits($hash[0])}"
puts "#{indent}d = #{bits($hash[3])} #{bits(maj($hash[0], $hash[1], $hash[2]))} Maj(a, b, c)"
puts "#{indent}e = #{bits($hash[4])}"
puts "#{indent}f = #{bits($hash[5])}"
puts "#{indent}g = #{bits($hash[6])}"
puts "#{indent}h = #{bits($hash[7])}"
delay(:fastest)
end
delay(:normal)
# Σ0(a)
22.times do |i|
system "clear"
puts $state + "\n" if defined? $state
puts "#{indent}-----------"
puts "#{indent}compression: (T2)"
puts "#{indent}-----------"
puts "#{indent}W0 = #{bits(w[0])} (message schedule)"
puts "#{indent}K0 = #{bits(k[0])} (constant)"
puts
puts "#{indent}T1 = Σ1(e) + Ch(e, f, g) + h + K0 + W0"
puts "#{indent}T2 = Σ0(a) + Maj(a, b, c)"
puts
puts "#{indent}a = #{bits($hash[0])} -> #{bits(rotr(2, $hash[0]))} ROTR 2"
puts "#{indent}b = #{bits($hash[1])} #{bits(rotr(13, $hash[0]))} ROTR 13"
puts "#{indent}c = #{bits($hash[2])} #{bits(rotr(i+1, $hash[0]))} ROTR 22"
puts "#{indent}d = #{bits($hash[3])} #{bits(maj($hash[0], $hash[1], $hash[2]))} Maj(a, b, c)"
puts "#{indent}e = #{bits($hash[4])}"
puts "#{indent}f = #{bits($hash[5])}"
puts "#{indent}g = #{bits($hash[6])}"
puts "#{indent}h = #{bits($hash[7])}"
delay(:fastest)
end
delay(:normal)
# Σ0(a)
system "clear"
puts $state + "\n" if defined? $state
puts "#{indent}-----------"
puts "#{indent}compression: (T2)"
puts "#{indent}-----------"
puts "#{indent}W0 = #{bits(w[0])} (message schedule)"
puts "#{indent}K0 = #{bits(k[0])} (constant)"
puts
puts "#{indent}T1 = Σ1(e) + Ch(e, f, g) + h + K0 + W0"
puts "#{indent}T2 = Σ0(a) + Maj(a, b, c)"
puts
puts "#{indent}a = #{bits($hash[0])} -> #{bits(rotr(2, $hash[0]))}"
puts "#{indent}b = #{bits($hash[1])} #{bits(rotr(13, $hash[0]))}"
puts "#{indent}c = #{bits($hash[2])} #{bits(rotr(22, $hash[0]))}"
puts "#{indent}d = #{bits($hash[3])} #{bits(maj($hash[0], $hash[1], $hash[2]))} Maj(a, b, c)"
puts "#{indent}e = #{bits($hash[4])}"
puts "#{indent}f = #{bits($hash[5])}"
puts "#{indent}g = #{bits($hash[6])}"
puts "#{indent}h = #{bits($hash[7])}"
delay(:normal)
# Σ0(a)
system "clear"
puts $state + "\n" if defined? $state
puts "#{indent}-----------"
puts "#{indent}compression: (T2)"
puts "#{indent}-----------"
puts "#{indent}W0 = #{bits(w[0])} (message schedule)"
puts "#{indent}K0 = #{bits(k[0])} (constant)"
puts
puts "#{indent}T1 = Σ1(e) + Ch(e, f, g) + h + K0 + W0"
puts "#{indent}T2 = Σ0(a) + Maj(a, b, c)"
puts
puts "#{indent}a = #{bits($hash[0])} -> #{bits(rotr(2, $hash[0]))}"
puts "#{indent}b = #{bits($hash[1])} #{bits(rotr(13, $hash[0]))}"
puts "#{indent}c = #{bits($hash[2])} #{bits(rotr(22, $hash[0]))} XOR"
puts "#{indent}d = #{bits($hash[3])} #{bits(maj($hash[0], $hash[1], $hash[2]))} Maj(a, b, c)"
puts "#{indent}e = #{bits($hash[4])}"
puts "#{indent}f = #{bits($hash[5])}"
puts "#{indent}g = #{bits($hash[6])}"
puts "#{indent}h = #{bits($hash[7])}"
delay(:normal)
# Σ0(a)
system "clear"
puts $state + "\n" if defined? $state
puts "#{indent}-----------"
puts "#{indent}compression: (T2)"
puts "#{indent}-----------"
puts "#{indent}W0 = #{bits(w[0])} (message schedule)"
puts "#{indent}K0 = #{bits(k[0])} (constant)"
puts
puts "#{indent}T1 = Σ1(e) + Ch(e, f, g) + h + K0 + W0"
puts "#{indent}T2 = Σ0(a) + Maj(a, b, c)"
puts
puts "#{indent}a = #{bits($hash[0])} -> #{bits(rotr(2, $hash[0]))}"
puts "#{indent}b = #{bits($hash[1])} #{bits(rotr(13, $hash[0]) ^ rotr(22, $hash[0]))} XOR"
puts "#{indent}c = #{bits($hash[2])}"
puts "#{indent}d = #{bits($hash[3])} #{bits(maj($hash[0], $hash[1], $hash[2]))} Maj(a, b, c)"
puts "#{indent}e = #{bits($hash[4])}"
puts "#{indent}f = #{bits($hash[5])}"
puts "#{indent}g = #{bits($hash[6])}"
puts "#{indent}h = #{bits($hash[7])}"
delay(:normal)
# Σ0(a)
system "clear"
puts $state + "\n" if defined? $state
puts "#{indent}-----------"
puts "#{indent}compression: (T2)"
puts "#{indent}-----------"
puts "#{indent}W0 = #{bits(w[0])} (message schedule)"
puts "#{indent}K0 = #{bits(k[0])} (constant)"
puts
puts "#{indent}T1 = Σ1(e) + Ch(e, f, g) + h + K0 + W0"
puts "#{indent}T2 = Σ0(a) + Maj(a, b, c)"
puts
puts "#{indent}a = #{bits($hash[0])} -> #{bits(rotr(2, $hash[0]) ^ rotr(13, $hash[0]) ^ rotr(22, $hash[0]))} Σ0(a)"
puts "#{indent}b = #{bits($hash[1])}"
puts "#{indent}c = #{bits($hash[2])}"
puts "#{indent}d = #{bits($hash[3])} #{bits(maj($hash[0], $hash[1], $hash[2]))} Maj(a, b, c)"
puts "#{indent}e = #{bits($hash[4])}"
puts "#{indent}f = #{bits($hash[5])}"
puts "#{indent}g = #{bits($hash[6])}"
puts "#{indent}h = #{bits($hash[7])}"
delay(:normal)
# Σ0(a)
system "clear"
puts $state + "\n" if defined? $state
puts "#{indent}-----------"
puts "#{indent}compression: (T2)"
puts "#{indent}-----------"
puts "#{indent}W0 = #{bits(w[0])} (message schedule)"
puts "#{indent}K0 = #{bits(k[0])} (constant)"
puts
puts "#{indent}T1 = Σ1(e) + Ch(e, f, g) + h + K0 + W0"
puts "#{indent}T2 = Σ0(a) + Maj(a, b, c)"
puts
puts "#{indent}a = #{bits($hash[0])} #{bits(usigma0($hash[0]))} Σ0(a)"
puts "#{indent}b = #{bits($hash[1])}"
puts "#{indent}c = #{bits($hash[2])}"
puts "#{indent}d = #{bits($hash[3])} #{bits(maj($hash[0], $hash[1], $hash[2]))} Maj(a, b, c)"
puts "#{indent}e = #{bits($hash[4])}"
puts "#{indent}f = #{bits($hash[5])}"
puts "#{indent}g = #{bits($hash[6])}"
puts "#{indent}h = #{bits($hash[7])}"
delay(:normal)
# Σ0(a)
system "clear"
puts $state + "\n" if defined? $state
puts "#{indent}-----------"
puts "#{indent}compression: (T2)"
puts "#{indent}-----------"
puts "#{indent}W0 = #{bits(w[0])} (message schedule)"
puts "#{indent}K0 = #{bits(k[0])} (constant)"
puts
puts "#{indent}T1 = Σ1(e) + Ch(e, f, g) + h + K0 + W0"
puts "#{indent}T2 = Σ0(a) + Maj(a, b, c) = "
puts
puts "#{indent}a = #{bits($hash[0])} #{bits(usigma0($hash[0]))} Σ0(a)"
puts "#{indent}b = #{bits($hash[1])}"
puts "#{indent}c = #{bits($hash[2])}"
puts "#{indent}d = #{bits($hash[3])} #{bits(maj($hash[0], $hash[1], $hash[2]))} Maj(a, b, c)"
puts "#{indent}e = #{bits($hash[4])}"
puts "#{indent}f = #{bits($hash[5])}"
puts "#{indent}g = #{bits($hash[6])}"
puts "#{indent}h = #{bits($hash[7])}"
delay(:normal)
# Σ0(a)
system "clear"
t2 = add(usigma0($hash[0]), maj($hash[0], $hash[1], $hash[2]))
puts $state + "\n" if defined? $state
puts "#{indent}-----------"
puts "#{indent}compression: (T2)"
puts "#{indent}-----------"
puts "#{indent}W0 = #{bits(w[0])} (message schedule)"
puts "#{indent}K0 = #{bits(k[0])} (constant)"
puts
puts "#{indent}T1 = Σ1(e) + Ch(e, f, g) + h + K0 + W0"
puts "#{indent}T2 = Σ0(a) + Maj(a, b, c) = #{bits(t2)}"
puts
puts "#{indent}a = #{bits($hash[0])} #{bits(usigma0($hash[0]))} Σ0(a)"
puts "#{indent}b = #{bits($hash[1])}"
puts "#{indent}c = #{bits($hash[2])}"
puts "#{indent}d = #{bits($hash[3])} #{bits(maj($hash[0], $hash[1], $hash[2]))} Maj(a, b, c)"
puts "#{indent}e = #{bits($hash[4])}"
puts "#{indent}f = #{bits($hash[5])}"
puts "#{indent}g = #{bits($hash[6])}"
puts "#{indent}h = #{bits($hash[7])}"
delay(:end)