From 1de5f9ac6f038bfed2230cc1272b253794b2f41a Mon Sep 17 00:00:00 2001 From: Alexander Pickering Date: Sun, 10 Jul 2016 17:04:29 -0400 Subject: Initial commit --- gamemode/shared/aes.lua | 526 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 526 insertions(+) create mode 100644 gamemode/shared/aes.lua (limited to 'gamemode/shared/aes.lua') diff --git a/gamemode/shared/aes.lua b/gamemode/shared/aes.lua new file mode 100644 index 0000000..5c4072a --- /dev/null +++ b/gamemode/shared/aes.lua @@ -0,0 +1,526 @@ +print("Hello from aes.lua!") + +local Stream = include("lockbox/stream.lua"); +local Array = include("lockbox/array.lua"); + +local Bit = include("lockbox/bit.lua"); +--local Math = require("math"); + + +local AND = bit.band; +local OR = bit.bor; +local NOT = bit.bnot; +local XOR = bit.bxor; +--local LROT = Bit.lrotate; +--local RROT = Bit.rrotate; +local LSHIFT = bit.lshift; +local RSHIFT = bit.rshift; + +local SBOX = { + [0]=0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5, 0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76, + 0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0, 0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0, + 0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC, 0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15, + 0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A, 0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75, + 0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0, 0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84, + 0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B, 0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF, + 0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85, 0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8, + 0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5, 0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2, + 0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17, 0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73, + 0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88, 0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB, + 0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C, 0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79, + 0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9, 0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08, + 0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6, 0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A, + 0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E, 0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E, + 0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94, 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF, + 0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68, 0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16}; + +local ISBOX = { + [0]=0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38, 0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB, + 0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87, 0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB, + 0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D, 0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E, + 0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2, 0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25, + 0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92, + 0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA, 0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84, + 0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A, 0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06, + 0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02, 0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B, + 0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA, 0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73, + 0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85, 0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E, + 0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89, 0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B, + 0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20, 0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4, + 0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31, 0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F, + 0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D, 0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF, + 0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0, 0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61, + 0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26, 0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D}; + +local ROW_SHIFT = { 1, 6, 11, 16, 5, 10, 15, 4, 9, 14, 3, 8, 13, 2, 7, 12,}; +local IROW_SHIFT = { 1, 14, 11, 8, 5, 2, 15, 12, 9, 6, 3, 16, 13, 10, 7, 4,}; + +local ETABLE = { + [0]=0x01, 0x03, 0x05, 0x0F, 0x11, 0x33, 0x55, 0xFF, 0x1A, 0x2E, 0x72, 0x96, 0xA1, 0xF8, 0x13, 0x35, + 0x5F, 0xE1, 0x38, 0x48, 0xD8, 0x73, 0x95, 0xA4, 0xF7, 0x02, 0x06, 0x0A, 0x1E, 0x22, 0x66, 0xAA, + 0xE5, 0x34, 0x5C, 0xE4, 0x37, 0x59, 0xEB, 0x26, 0x6A, 0xBE, 0xD9, 0x70, 0x90, 0xAB, 0xE6, 0x31, + 0x53, 0xF5, 0x04, 0x0C, 0x14, 0x3C, 0x44, 0xCC, 0x4F, 0xD1, 0x68, 0xB8, 0xD3, 0x6E, 0xB2, 0xCD, + 0x4C, 0xD4, 0x67, 0xA9, 0xE0, 0x3B, 0x4D, 0xD7, 0x62, 0xA6, 0xF1, 0x08, 0x18, 0x28, 0x78, 0x88, + 0x83, 0x9E, 0xB9, 0xD0, 0x6B, 0xBD, 0xDC, 0x7F, 0x81, 0x98, 0xB3, 0xCE, 0x49, 0xDB, 0x76, 0x9A, + 0xB5, 0xC4, 0x57, 0xF9, 0x10, 0x30, 0x50, 0xF0, 0x0B, 0x1D, 0x27, 0x69, 0xBB, 0xD6, 0x61, 0xA3, + 0xFE, 0x19, 0x2B, 0x7D, 0x87, 0x92, 0xAD, 0xEC, 0x2F, 0x71, 0x93, 0xAE, 0xE9, 0x20, 0x60, 0xA0, + 0xFB, 0x16, 0x3A, 0x4E, 0xD2, 0x6D, 0xB7, 0xC2, 0x5D, 0xE7, 0x32, 0x56, 0xFA, 0x15, 0x3F, 0x41, + 0xC3, 0x5E, 0xE2, 0x3D, 0x47, 0xC9, 0x40, 0xC0, 0x5B, 0xED, 0x2C, 0x74, 0x9C, 0xBF, 0xDA, 0x75, + 0x9F, 0xBA, 0xD5, 0x64, 0xAC, 0xEF, 0x2A, 0x7E, 0x82, 0x9D, 0xBC, 0xDF, 0x7A, 0x8E, 0x89, 0x80, + 0x9B, 0xB6, 0xC1, 0x58, 0xE8, 0x23, 0x65, 0xAF, 0xEA, 0x25, 0x6F, 0xB1, 0xC8, 0x43, 0xC5, 0x54, + 0xFC, 0x1F, 0x21, 0x63, 0xA5, 0xF4, 0x07, 0x09, 0x1B, 0x2D, 0x77, 0x99, 0xB0, 0xCB, 0x46, 0xCA, + 0x45, 0xCF, 0x4A, 0xDE, 0x79, 0x8B, 0x86, 0x91, 0xA8, 0xE3, 0x3E, 0x42, 0xC6, 0x51, 0xF3, 0x0E, + 0x12, 0x36, 0x5A, 0xEE, 0x29, 0x7B, 0x8D, 0x8C, 0x8F, 0x8A, 0x85, 0x94, 0xA7, 0xF2, 0x0D, 0x17, + 0x39, 0x4B, 0xDD, 0x7C, 0x84, 0x97, 0xA2, 0xFD, 0x1C, 0x24, 0x6C, 0xB4, 0xC7, 0x52, 0xF6, 0x01}; + +local LTABLE = { + [0]=0x00, 0x00, 0x19, 0x01, 0x32, 0x02, 0x1A, 0xC6, 0x4B, 0xC7, 0x1B, 0x68, 0x33, 0xEE, 0xDF, 0x03, + 0x64, 0x04, 0xE0, 0x0E, 0x34, 0x8D, 0x81, 0xEF, 0x4C, 0x71, 0x08, 0xC8, 0xF8, 0x69, 0x1C, 0xC1, + 0x7D, 0xC2, 0x1D, 0xB5, 0xF9, 0xB9, 0x27, 0x6A, 0x4D, 0xE4, 0xA6, 0x72, 0x9A, 0xC9, 0x09, 0x78, + 0x65, 0x2F, 0x8A, 0x05, 0x21, 0x0F, 0xE1, 0x24, 0x12, 0xF0, 0x82, 0x45, 0x35, 0x93, 0xDA, 0x8E, + 0x96, 0x8F, 0xDB, 0xBD, 0x36, 0xD0, 0xCE, 0x94, 0x13, 0x5C, 0xD2, 0xF1, 0x40, 0x46, 0x83, 0x38, + 0x66, 0xDD, 0xFD, 0x30, 0xBF, 0x06, 0x8B, 0x62, 0xB3, 0x25, 0xE2, 0x98, 0x22, 0x88, 0x91, 0x10, + 0x7E, 0x6E, 0x48, 0xC3, 0xA3, 0xB6, 0x1E, 0x42, 0x3A, 0x6B, 0x28, 0x54, 0xFA, 0x85, 0x3D, 0xBA, + 0x2B, 0x79, 0x0A, 0x15, 0x9B, 0x9F, 0x5E, 0xCA, 0x4E, 0xD4, 0xAC, 0xE5, 0xF3, 0x73, 0xA7, 0x57, + 0xAF, 0x58, 0xA8, 0x50, 0xF4, 0xEA, 0xD6, 0x74, 0x4F, 0xAE, 0xE9, 0xD5, 0xE7, 0xE6, 0xAD, 0xE8, + 0x2C, 0xD7, 0x75, 0x7A, 0xEB, 0x16, 0x0B, 0xF5, 0x59, 0xCB, 0x5F, 0xB0, 0x9C, 0xA9, 0x51, 0xA0, + 0x7F, 0x0C, 0xF6, 0x6F, 0x17, 0xC4, 0x49, 0xEC, 0xD8, 0x43, 0x1F, 0x2D, 0xA4, 0x76, 0x7B, 0xB7, + 0xCC, 0xBB, 0x3E, 0x5A, 0xFB, 0x60, 0xB1, 0x86, 0x3B, 0x52, 0xA1, 0x6C, 0xAA, 0x55, 0x29, 0x9D, + 0x97, 0xB2, 0x87, 0x90, 0x61, 0xBE, 0xDC, 0xFC, 0xBC, 0x95, 0xCF, 0xCD, 0x37, 0x3F, 0x5B, 0xD1, + 0x53, 0x39, 0x84, 0x3C, 0x41, 0xA2, 0x6D, 0x47, 0x14, 0x2A, 0x9E, 0x5D, 0x56, 0xF2, 0xD3, 0xAB, + 0x44, 0x11, 0x92, 0xD9, 0x23, 0x20, 0x2E, 0x89, 0xB4, 0x7C, 0xB8, 0x26, 0x77, 0x99, 0xE3, 0xA5, + 0x67, 0x4A, 0xED, 0xDE, 0xC5, 0x31, 0xFE, 0x18, 0x0D, 0x63, 0x8C, 0x80, 0xC0, 0xF7, 0x70, 0x07}; + +local MIXTABLE = { + 0x02, 0x03, 0x01, 0x01, + 0x01, 0x02, 0x03, 0x01, + 0x01, 0x01, 0x02, 0x03, + 0x03, 0x01, 0x01, 0x02}; + +local IMIXTABLE = { + 0x0E, 0x0B, 0x0D, 0x09, + 0x09, 0x0E, 0x0B, 0x0D, + 0x0D, 0x09, 0x0E, 0x0B, + 0x0B, 0x0D, 0x09, 0x0E}; + +local RCON = { +[0] = 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, +0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, +0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, +0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, +0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, +0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, +0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, +0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, +0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, +0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, +0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, +0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, +0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, +0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, +0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, +0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d}; + + +local GMUL = function(A,B) + if(A == 0x01) then return B; end + if(B == 0x01) then return A; end + if(A == 0x00) then return 0; end + if(B == 0x00) then return 0; end + print("Gettin gthe LTable of " .. A) + print("Getting the LTable of " .. B) + local LA = LTABLE[A]; + local LB = LTABLE[B]; + + local sum = LA + LB; + if (sum > 0xFF) then sum = sum - 0xFF; end + + return ETABLE[sum]; +end + +local byteSub = Array.substitute; + +local shiftRow = Array.permute; + +local mixCol = function(i,mix) + local out = {}; + + local a,b,c,d; + print("I is:") + PrintTable(i) + a = GMUL(i[ 1],mix[ 1]); + b = GMUL(i[ 2],mix[ 2]); + c = GMUL(i[ 3],mix[ 3]); + d = GMUL(i[ 4],mix[ 4]); + out[ 1] = XOR(XOR(a,b),XOR(c,d)); + a = GMUL(i[ 1],mix[ 5]); + b = GMUL(i[ 2],mix[ 6]); + c = GMUL(i[ 3],mix[ 7]); + d = GMUL(i[ 4],mix[ 8]); + out[ 2] = XOR(XOR(a,b),XOR(c,d)); + a = GMUL(i[ 1],mix[ 9]); + b = GMUL(i[ 2],mix[10]); + c = GMUL(i[ 3],mix[11]); + d = GMUL(i[ 4],mix[12]); + out[ 3] = XOR(XOR(a,b),XOR(c,d)); + a = GMUL(i[ 1],mix[13]); + b = GMUL(i[ 2],mix[14]); + c = GMUL(i[ 3],mix[15]); + d = GMUL(i[ 4],mix[16]); + out[ 4] = XOR(XOR(a,b),XOR(c,d)); + + + a = GMUL(i[ 5],mix[ 1]); + b = GMUL(i[ 6],mix[ 2]); + c = GMUL(i[ 7],mix[ 3]); + d = GMUL(i[ 8],mix[ 4]); + out[ 5] = XOR(XOR(a,b),XOR(c,d)); + a = GMUL(i[ 5],mix[ 5]); + b = GMUL(i[ 6],mix[ 6]); + c = GMUL(i[ 7],mix[ 7]); + d = GMUL(i[ 8],mix[ 8]); + out[ 6] = XOR(XOR(a,b),XOR(c,d)); + a = GMUL(i[ 5],mix[ 9]); + b = GMUL(i[ 6],mix[10]); + c = GMUL(i[ 7],mix[11]); + d = GMUL(i[ 8],mix[12]); + out[ 7] = XOR(XOR(a,b),XOR(c,d)); + a = GMUL(i[ 5],mix[13]); + b = GMUL(i[ 6],mix[14]); + c = GMUL(i[ 7],mix[15]); + d = GMUL(i[ 8],mix[16]); + out[ 8] = XOR(XOR(a,b),XOR(c,d)); + + + a = GMUL(i[ 9],mix[ 1]); + b = GMUL(i[10],mix[ 2]); + c = GMUL(i[11],mix[ 3]); + d = GMUL(i[12],mix[ 4]); + out[ 9] = XOR(XOR(a,b),XOR(c,d)); + a = GMUL(i[ 9],mix[ 5]); + b = GMUL(i[10],mix[ 6]); + c = GMUL(i[11],mix[ 7]); + d = GMUL(i[12],mix[ 8]); + out[10] = XOR(XOR(a,b),XOR(c,d)); + a = GMUL(i[ 9],mix[ 9]); + b = GMUL(i[10],mix[10]); + c = GMUL(i[11],mix[11]); + d = GMUL(i[12],mix[12]); + out[11] = XOR(XOR(a,b),XOR(c,d)); + a = GMUL(i[ 9],mix[13]); + b = GMUL(i[10],mix[14]); + c = GMUL(i[11],mix[15]); + d = GMUL(i[12],mix[16]); + out[12] = XOR(XOR(a,b),XOR(c,d)); + + + a = GMUL(i[13],mix[ 1]); + b = GMUL(i[14],mix[ 2]); + c = GMUL(i[15],mix[ 3]); + d = GMUL(i[16],mix[ 4]); + out[13] = XOR(XOR(a,b),XOR(c,d)); + a = GMUL(i[13],mix[ 5]); + b = GMUL(i[14],mix[ 6]); + c = GMUL(i[15],mix[ 7]); + d = GMUL(i[16],mix[ 8]); + out[14] = XOR(XOR(a,b),XOR(c,d)); + a = GMUL(i[13],mix[ 9]); + b = GMUL(i[14],mix[10]); + c = GMUL(i[15],mix[11]); + d = GMUL(i[16],mix[12]); + out[15] = XOR(XOR(a,b),XOR(c,d)); + a = GMUL(i[13],mix[13]); + b = GMUL(i[14],mix[14]); + c = GMUL(i[15],mix[15]); + d = GMUL(i[16],mix[16]); + out[16] = XOR(XOR(a,b),XOR(c,d)); + + return out; +end + +local keyRound = function(key,round) + local i=(round-1)*32; + local out=key; + print("Doing keyRound on key:") + PrintTable(key) + print("key[i+1]=") + print(key[i+1]) + print("SBOX[out[30+i]]=") + print(SBOX[out[30+i]]) + print("out[30+i]=") + print(out[30+i]) + print("RCON[round]=") + print(RCON[round]) + out[33+i] = XOR(key[ 1+i],XOR(SBOX[key[30+i]],RCON[round])); + out[34+i] = XOR(key[ 2+i],SBOX[key[31+i]]); + out[35+i] = XOR(key[ 3+i],SBOX[key[32+i]]); + out[36+i] = XOR(key[ 4+i],SBOX[key[29+i]]); + + out[37+i] = XOR(out[33+i],key[ 5+i]); + out[38+i] = XOR(out[34+i],key[ 6+i]); + out[39+i] = XOR(out[35+i],key[ 7+i]); + out[40+i] = XOR(out[36+i],key[ 8+i]); + + out[41+i] = XOR(out[37+i],key[ 9+i]); + out[42+i] = XOR(out[38+i],key[10+i]); + out[43+i] = XOR(out[39+i],key[11+i]); + out[44+i] = XOR(out[40+i],key[12+i]); + + out[45+i] = XOR(out[41+i],key[13+i]); + out[46+i] = XOR(out[42+i],key[14+i]); + out[47+i] = XOR(out[43+i],key[15+i]); + out[48+i] = XOR(out[44+i],key[16+i]); + + + out[49+i] = XOR(SBOX[out[45+i]],key[17+i]); + out[50+i] = XOR(SBOX[out[46+i]],key[18+i]); + out[51+i] = XOR(SBOX[out[47+i]],key[19+i]); + out[52+i] = XOR(SBOX[out[48+i]],key[20+i]); + + out[53+i] = XOR(out[49+i],key[21+i]); + out[54+i] = XOR(out[50+i],key[22+i]); + out[55+i] = XOR(out[51+i],key[23+i]); + out[56+i] = XOR(out[52+i],key[24+i]); + + out[57+i] = XOR(out[53+i],key[25+i]); + out[58+i] = XOR(out[54+i],key[26+i]); + out[59+i] = XOR(out[55+i],key[27+i]); + out[60+i] = XOR(out[56+i],key[28+i]); + + out[61+i] = XOR(out[57+i],key[29+i]); + out[62+i] = XOR(out[58+i],key[30+i]); + out[63+i] = XOR(out[59+i],key[31+i]); + out[64+i] = XOR(out[60+i],key[32+i]); + + return out; +end + +local keyExpand = function(key) + local bytes = Array.copy(key); + + for i=1,7 do + keyRound(bytes,i); + end + + local keys = {}; + + keys[ 1] = Array.slice(bytes,1,16); + keys[ 2] = Array.slice(bytes,17,32); + keys[ 3] = Array.slice(bytes,33,48); + keys[ 4] = Array.slice(bytes,49,64); + keys[ 5] = Array.slice(bytes,65,80); + keys[ 6] = Array.slice(bytes,81,96); + keys[ 7] = Array.slice(bytes,97,112); + keys[ 8] = Array.slice(bytes,113,128); + keys[ 9] = Array.slice(bytes,129,144); + keys[10] = Array.slice(bytes,145,160); + keys[11] = Array.slice(bytes,161,176); + keys[12] = Array.slice(bytes,177,192); + keys[13] = Array.slice(bytes,193,208); + keys[14] = Array.slice(bytes,209,224); + keys[15] = Array.slice(bytes,225,240); + + return keys; + +end + +local addKey = Array.XOR; + + + +local AES = {}; + +AES.blockSize = 16; + +AES.encrypt = function(key,block) + print("Calling keyExpand on :") + PrintTable(key) + local key = keyExpand(key); + + --round 0 + block = addKey(block,key[1]); + + print("block is:") + PrintTable(block) + + --round 1 + block = byteSub(block,SBOX); + block = shiftRow(block,ROW_SHIFT); + block = mixCol(block,MIXTABLE); + block = addKey(block,key[2]); + + --round 2 + block = byteSub(block,SBOX); + block = shiftRow(block,ROW_SHIFT); + block = mixCol(block,MIXTABLE); + block = addKey(block,key[3]); + + --round 3 + block = byteSub(block,SBOX); + block = shiftRow(block,ROW_SHIFT); + block = mixCol(block,MIXTABLE); + block = addKey(block,key[4]); + + --round 4 + block = byteSub(block,SBOX); + block = shiftRow(block,ROW_SHIFT); + block = mixCol(block,MIXTABLE); + block = addKey(block,key[5]); + + --round 5 + block = byteSub(block,SBOX); + block = shiftRow(block,ROW_SHIFT); + block = mixCol(block,MIXTABLE); + block = addKey(block,key[6]); + + --round 6 + block = byteSub(block,SBOX); + block = shiftRow(block,ROW_SHIFT); + block = mixCol(block,MIXTABLE); + block = addKey(block,key[7]); + + --round 7 + block = byteSub(block,SBOX); + block = shiftRow(block,ROW_SHIFT); + block = mixCol(block,MIXTABLE); + block = addKey(block,key[8]); + + --round 8 + block = byteSub(block,SBOX); + block = shiftRow(block,ROW_SHIFT); + block = mixCol(block,MIXTABLE); + block = addKey(block,key[9]); + + --round 9 + block = byteSub(block,SBOX); + block = shiftRow(block,ROW_SHIFT); + block = mixCol(block,MIXTABLE); + block = addKey(block,key[10]); + + --round 10 + block = byteSub(block,SBOX); + block = shiftRow(block,ROW_SHIFT); + block = mixCol(block,MIXTABLE); + block = addKey(block,key[11]); + + --round 11 + block = byteSub(block,SBOX); + block = shiftRow(block,ROW_SHIFT); + block = mixCol(block,MIXTABLE); + block = addKey(block,key[12]); + + --round 12 + block = byteSub(block,SBOX); + block = shiftRow(block,ROW_SHIFT); + block = mixCol(block,MIXTABLE); + block = addKey(block,key[13]); + + --round 13 + block = byteSub(block,SBOX); + block = shiftRow(block,ROW_SHIFT); + block = mixCol(block,MIXTABLE); + block = addKey(block,key[14]); + + --round 14 + block = byteSub(block,SBOX); + block = shiftRow(block,ROW_SHIFT); + block = addKey(block,key[15]); + + return block; + +end + +AES.decrypt = function(key,block) + + local key = keyExpand(key); + + --round 0 + block = addKey(block,key[15]); + + --round 1 + block = shiftRow(block,IROW_SHIFT); + block = byteSub(block,ISBOX); + block = addKey(block,key[14]); + block = mixCol(block,IMIXTABLE); + + --round 2 + block = shiftRow(block,IROW_SHIFT); + block = byteSub(block,ISBOX); + block = addKey(block,key[13]); + block = mixCol(block,IMIXTABLE); + + --round 3 + block = shiftRow(block,IROW_SHIFT); + block = byteSub(block,ISBOX); + block = addKey(block,key[12]); + block = mixCol(block,IMIXTABLE); + + --round 4 + block = shiftRow(block,IROW_SHIFT); + block = byteSub(block,ISBOX); + block = addKey(block,key[11]); + block = mixCol(block,IMIXTABLE); + + --round 5 + block = shiftRow(block,IROW_SHIFT); + block = byteSub(block,ISBOX); + block = addKey(block,key[10]); + block = mixCol(block,IMIXTABLE); + + --round 6 + block = shiftRow(block,IROW_SHIFT); + block = byteSub(block,ISBOX); + block = addKey(block,key[9]); + block = mixCol(block,IMIXTABLE); + + --round 7 + block = shiftRow(block,IROW_SHIFT); + block = byteSub(block,ISBOX); + block = addKey(block,key[8]); + block = mixCol(block,IMIXTABLE); + + --round 8 + block = shiftRow(block,IROW_SHIFT); + block = byteSub(block,ISBOX); + block = addKey(block,key[7]); + block = mixCol(block,IMIXTABLE); + + --round 9 + block = shiftRow(block,IROW_SHIFT); + block = byteSub(block,ISBOX); + block = addKey(block,key[6]); + block = mixCol(block,IMIXTABLE); + + --round 10 + block = shiftRow(block,IROW_SHIFT); + block = byteSub(block,ISBOX); + block = addKey(block,key[5]); + block = mixCol(block,IMIXTABLE); + + --round 11 + block = shiftRow(block,IROW_SHIFT); + block = byteSub(block,ISBOX); + block = addKey(block,key[4]); + block = mixCol(block,IMIXTABLE); + + --round 12 + block = shiftRow(block,IROW_SHIFT); + block = byteSub(block,ISBOX); + block = addKey(block,key[3]); + block = mixCol(block,IMIXTABLE); + + --round 13 + block = shiftRow(block,IROW_SHIFT); + block = byteSub(block,ISBOX); + block = addKey(block,key[2]); + block = mixCol(block,IMIXTABLE); + + --round 14 + block = shiftRow(block,IROW_SHIFT); + block = byteSub(block,ISBOX); + block = addKey(block,key[1]); + + return block; +end + +return AES; -- cgit v1.2.3-70-g09d2