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#51 hmac verification

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Mikayla 2023-06-11 18:26:55 +00:00
parent 302f3d913f
commit ef5567ad46
15 changed files with 286 additions and 2361 deletions
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415
lockbox/cipher/aes128.lua
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@ -1,415 +0,0 @@
local Array = require("lockbox.util.array");
local Bit = require("lockbox.util.bit");
local XOR = Bit.bxor;
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
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;
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 out = {};
out[ 1] = XOR(key[ 1], XOR(SBOX[key[14]], RCON[round]));
out[ 2] = XOR(key[ 2], SBOX[key[15]]);
out[ 3] = XOR(key[ 3], SBOX[key[16]]);
out[ 4] = XOR(key[ 4], SBOX[key[13]]);
out[ 5] = XOR(out[ 1], key[ 5]);
out[ 6] = XOR(out[ 2], key[ 6]);
out[ 7] = XOR(out[ 3], key[ 7]);
out[ 8] = XOR(out[ 4], key[ 8]);
out[ 9] = XOR(out[ 5], key[ 9]);
out[10] = XOR(out[ 6], key[10]);
out[11] = XOR(out[ 7], key[11]);
out[12] = XOR(out[ 8], key[12]);
out[13] = XOR(out[ 9], key[13]);
out[14] = XOR(out[10], key[14]);
out[15] = XOR(out[11], key[15]);
out[16] = XOR(out[12], key[16]);
return out;
end
local keyExpand = function(key)
local keys = {};
local temp = key;
keys[1] = temp;
for i = 1, 10 do
temp = keyRound(temp, i);
keys[i + 1] = temp;
end
return keys;
end
local addKey = Array.XOR;
local AES = {};
AES.blockSize = 16;
AES.encrypt = function(_key, block)
local key = keyExpand(_key);
--round 0
block = addKey(block, key[1]);
--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 = addKey(block, key[11]);
return block;
end
AES.decrypt = function(_key, block)
local key = keyExpand(_key);
--round 0
block = addKey(block, key[11]);
--round 1
block = shiftRow(block, IROW_SHIFT);
block = byteSub(block, ISBOX);
block = addKey(block, key[10]);
block = mixCol(block, IMIXTABLE);
--round 2
block = shiftRow(block, IROW_SHIFT);
block = byteSub(block, ISBOX);
block = addKey(block, key[9]);
block = mixCol(block, IMIXTABLE);
--round 3
block = shiftRow(block, IROW_SHIFT);
block = byteSub(block, ISBOX);
block = addKey(block, key[8]);
block = mixCol(block, IMIXTABLE);
--round 4
block = shiftRow(block, IROW_SHIFT);
block = byteSub(block, ISBOX);
block = addKey(block, key[7]);
block = mixCol(block, IMIXTABLE);
--round 5
block = shiftRow(block, IROW_SHIFT);
block = byteSub(block, ISBOX);
block = addKey(block, key[6]);
block = mixCol(block, IMIXTABLE);
--round 6
block = shiftRow(block, IROW_SHIFT);
block = byteSub(block, ISBOX);
block = addKey(block, key[5]);
block = mixCol(block, IMIXTABLE);
--round 7
block = shiftRow(block, IROW_SHIFT);
block = byteSub(block, ISBOX);
block = addKey(block, key[4]);
block = mixCol(block, IMIXTABLE);
--round 8
block = shiftRow(block, IROW_SHIFT);
block = byteSub(block, ISBOX);
block = addKey(block, key[3]);
block = mixCol(block, IMIXTABLE);
--round 9
block = shiftRow(block, IROW_SHIFT);
block = byteSub(block, ISBOX);
block = addKey(block, key[2]);
block = mixCol(block, IMIXTABLE);
--round 10
block = shiftRow(block, IROW_SHIFT);
block = byteSub(block, ISBOX);
block = addKey(block, key[1]);
return block;
end
return AES;

462
lockbox/cipher/aes192.lua
View File

@ -1,462 +0,0 @@
local Array = require("lockbox.util.array");
local Bit = require("lockbox.util.bit");
local XOR = Bit.bxor;
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
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;
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) * 24;
local out = key;
out[25 + i] = XOR(key[ 1 + i], XOR(SBOX[key[22 + i]], RCON[round]));
out[26 + i] = XOR(key[ 2 + i], SBOX[key[23 + i]]);
out[27 + i] = XOR(key[ 3 + i], SBOX[key[24 + i]]);
out[28 + i] = XOR(key[ 4 + i], SBOX[key[21 + i]]);
out[29 + i] = XOR(out[25 + i], key[ 5 + i]);
out[30 + i] = XOR(out[26 + i], key[ 6 + i]);
out[31 + i] = XOR(out[27 + i], key[ 7 + i]);
out[32 + i] = XOR(out[28 + i], key[ 8 + i]);
out[33 + i] = XOR(out[29 + i], key[ 9 + i]);
out[34 + i] = XOR(out[30 + i], key[10 + i]);
out[35 + i] = XOR(out[31 + i], key[11 + i]);
out[36 + i] = XOR(out[32 + i], key[12 + i]);
out[37 + i] = XOR(out[33 + i], key[13 + i]);
out[38 + i] = XOR(out[34 + i], key[14 + i]);
out[39 + i] = XOR(out[35 + i], key[15 + i]);
out[40 + i] = XOR(out[36 + i], key[16 + i]);
out[41 + i] = XOR(out[37 + i], key[17 + i]);
out[42 + i] = XOR(out[38 + i], key[18 + i]);
out[43 + i] = XOR(out[39 + i], key[19 + i]);
out[44 + i] = XOR(out[40 + i], key[20 + i]);
out[45 + i] = XOR(out[41 + i], key[21 + i]);
out[46 + i] = XOR(out[42 + i], key[22 + i]);
out[47 + i] = XOR(out[43 + i], key[23 + i]);
out[48 + i] = XOR(out[44 + i], key[24 + i]);
return out;
end
local keyExpand = function(key)
local bytes = Array.copy(key);
for i = 1, 8 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);
return keys;
end
local addKey = Array.XOR;
local AES = {};
AES.blockSize = 16;
AES.encrypt = function(_key, block)
local key = keyExpand(_key);
--round 0
block = addKey(block, key[1]);
--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 = addKey(block, key[13]);
return block;
end
AES.decrypt = function(_key, block)
local key = keyExpand(_key);
--round 0
block = addKey(block, key[13]);
--round 1
block = shiftRow(block, IROW_SHIFT);
block = byteSub(block, ISBOX);
block = addKey(block, key[12]);
block = mixCol(block, IMIXTABLE);
--round 2
block = shiftRow(block, IROW_SHIFT);
block = byteSub(block, ISBOX);
block = addKey(block, key[11]);
block = mixCol(block, IMIXTABLE);
--round 3
block = shiftRow(block, IROW_SHIFT);
block = byteSub(block, ISBOX);
block = addKey(block, key[10]);
block = mixCol(block, IMIXTABLE);
--round 4
block = shiftRow(block, IROW_SHIFT);
block = byteSub(block, ISBOX);
block = addKey(block, key[9]);
block = mixCol(block, IMIXTABLE);
--round 5
block = shiftRow(block, IROW_SHIFT);
block = byteSub(block, ISBOX);
block = addKey(block, key[8]);
block = mixCol(block, IMIXTABLE);
--round 6
block = shiftRow(block, IROW_SHIFT);
block = byteSub(block, ISBOX);
block = addKey(block, key[7]);
block = mixCol(block, IMIXTABLE);
--round 7
block = shiftRow(block, IROW_SHIFT);
block = byteSub(block, ISBOX);
block = addKey(block, key[6]);
block = mixCol(block, IMIXTABLE);
--round 8
block = shiftRow(block, IROW_SHIFT);
block = byteSub(block, ISBOX);
block = addKey(block, key[5]);
block = mixCol(block, IMIXTABLE);
--round 9
block = shiftRow(block, IROW_SHIFT);
block = byteSub(block, ISBOX);
block = addKey(block, key[4]);
block = mixCol(block, IMIXTABLE);
--round 10
block = shiftRow(block, IROW_SHIFT);
block = byteSub(block, ISBOX);
block = addKey(block, key[3]);
block = mixCol(block, IMIXTABLE);
--round 11
block = shiftRow(block, IROW_SHIFT);
block = byteSub(block, ISBOX);
block = addKey(block, key[2]);
block = mixCol(block, IMIXTABLE);
--round 12
block = shiftRow(block, IROW_SHIFT);
block = byteSub(block, ISBOX);
block = addKey(block, key[1]);
return block;
end
return AES;

498
lockbox/cipher/aes256.lua
View File

@ -1,498 +0,0 @@
local Array = require("lockbox.util.array");
local Bit = require("lockbox.util.bit");
local XOR = Bit.bxor;
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
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;
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;
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)
local key = keyExpand(_key);
--round 0
block = addKey(block, key[1]);
--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;

164
lockbox/cipher/mode/cbc.lua
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@ -1,164 +0,0 @@
local Array = require("lockbox.util.array");
local Stream = require("lockbox.util.stream");
local Queue = require("lockbox.util.queue");
local CBC = {};
CBC.Cipher = function()
local public = {};
local key;
local blockCipher;
local padding;
local inputQueue;
local outputQueue;
local iv;
public.setKey = function(keyBytes)
key = keyBytes;
return public;
end
public.setBlockCipher = function(cipher)
blockCipher = cipher;
return public;
end
public.setPadding = function(paddingMode)
padding = paddingMode;
return public;
end
public.init = function()
inputQueue = Queue();
outputQueue = Queue();
iv = nil;
return public;
end
public.update = function(messageStream)
local byte = messageStream();
while (byte ~= nil) do
inputQueue.push(byte);
if(inputQueue.size() >= blockCipher.blockSize) then
local block = Array.readFromQueue(inputQueue, blockCipher.blockSize);
if(iv == nil) then
iv = block;
else
local out = Array.XOR(iv, block);
out = blockCipher.encrypt(key, out);
Array.writeToQueue(outputQueue, out);
iv = out;
end
end
byte = messageStream();
end
return public;
end
public.finish = function()
local paddingStream = padding(blockCipher.blockSize, inputQueue.getHead());
public.update(paddingStream);
return public;
end
public.getOutputQueue = function()
return outputQueue;
end
public.asHex = function()
return Stream.toHex(outputQueue.pop);
end
public.asBytes = function()
return Stream.toArray(outputQueue.pop);
end
return public;
end
CBC.Decipher = function()
local public = {};
local key;
local blockCipher;
local padding;
local inputQueue;
local outputQueue;
local iv;
public.setKey = function(keyBytes)
key = keyBytes;
return public;
end
public.setBlockCipher = function(cipher)
blockCipher = cipher;
return public;
end
public.setPadding = function(paddingMode)
padding = paddingMode;
return public;
end
public.init = function()
inputQueue = Queue();
outputQueue = Queue();
iv = nil;
return public;
end
public.update = function(messageStream)
local byte = messageStream();
while (byte ~= nil) do
inputQueue.push(byte);
if(inputQueue.size() >= blockCipher.blockSize) then
local block = Array.readFromQueue(inputQueue, blockCipher.blockSize);
if(iv == nil) then
iv = block;
else
local out = block;
out = blockCipher.decrypt(key, out);
out = Array.XOR(iv, out);
Array.writeToQueue(outputQueue, out);
iv = block;
end
end
byte = messageStream();
end
return public;
end
public.finish = function()
local paddingStream = padding(blockCipher.blockSize, inputQueue.getHead());
public.update(paddingStream);
return public;
end
public.getOutputQueue = function()
return outputQueue;
end
public.asHex = function()
return Stream.toHex(outputQueue.pop);
end
public.asBytes = function()
return Stream.toArray(outputQueue.pop);
end
return public;
end
return CBC;

163
lockbox/cipher/mode/cfb.lua
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@ -1,163 +0,0 @@
local Array = require("lockbox.util.array");
local Stream = require("lockbox.util.stream");
local Queue = require("lockbox.util.queue");
local CFB = {};
CFB.Cipher = function()
local public = {};
local key;
local blockCipher;
local padding;
local inputQueue;
local outputQueue;
local iv;
public.setKey = function(keyBytes)
key = keyBytes;
return public;
end
public.setBlockCipher = function(cipher)
blockCipher = cipher;
return public;
end
public.setPadding = function(paddingMode)
padding = paddingMode;
return public;
end
public.init = function()
inputQueue = Queue();
outputQueue = Queue();
iv = nil;
return public;
end
public.update = function(messageStream)
local byte = messageStream();
while (byte ~= nil) do
inputQueue.push(byte);
if(inputQueue.size() >= blockCipher.blockSize) then
local block = Array.readFromQueue(inputQueue, blockCipher.blockSize);
if(iv == nil) then
iv = block;
else
local out = iv;
out = blockCipher.encrypt(key, out);
out = Array.XOR(out, block);
Array.writeToQueue(outputQueue, out);
iv = out;
end
end
byte = messageStream();
end
return public;
end
public.finish = function()
local paddingStream = padding(blockCipher.blockSize, inputQueue.getHead());
public.update(paddingStream);
return public;
end
public.getOutputQueue = function()
return outputQueue;
end
public.asHex = function()
return Stream.toHex(outputQueue.pop);
end
public.asBytes = function()
return Stream.toArray(outputQueue.pop);
end
return public;
end
CFB.Decipher = function()
local public = {};
local key;
local blockCipher;
local padding;
local inputQueue;
local outputQueue;
local iv;
public.setKey = function(keyBytes)
key = keyBytes;
return public;
end
public.setBlockCipher = function(cipher)
blockCipher = cipher;
return public;
end
public.setPadding = function(paddingMode)
padding = paddingMode;
return public;
end
public.init = function()
inputQueue = Queue();
outputQueue = Queue();
iv = nil;
return public;
end
public.update = function(messageStream)
local byte = messageStream();
while (byte ~= nil) do
inputQueue.push(byte);
if(inputQueue.size() >= blockCipher.blockSize) then
local block = Array.readFromQueue(inputQueue, blockCipher.blockSize);
if(iv == nil) then
iv = block;
else
local out = iv;
out = blockCipher.encrypt(key, out);
out = Array.XOR(out, block);
Array.writeToQueue(outputQueue, out);
iv = block;
end
end
byte = messageStream();
end
return public;
end
public.finish = function()
local paddingStream = padding(blockCipher.blockSize, inputQueue.getHead());
public.update(paddingStream);
return public;
end
public.getOutputQueue = function()
return outputQueue;
end
public.asHex = function()
return Stream.toHex(outputQueue.pop);
end
public.asBytes = function()
return Stream.toArray(outputQueue.pop);
end
return public;
end
return CFB;

248
lockbox/cipher/mode/ctr.lua
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@ -1,248 +0,0 @@
local Array = require("lockbox.util.array");
local Stream = require("lockbox.util.stream");
local Queue = require("lockbox.util.queue");
local Bit = require("lockbox.util.bit");
local AND = Bit.band;
local CTR = {};
CTR.Cipher = function()
local public = {};
local key;
local blockCipher;
local padding;
local inputQueue;
local outputQueue;
local iv;
public.setKey = function(keyBytes)
key = keyBytes;
return public;
end
public.setBlockCipher = function(cipher)
blockCipher = cipher;
return public;
end
public.setPadding = function(paddingMode)
padding = paddingMode;
return public;
end
public.init = function()
inputQueue = Queue();
outputQueue = Queue();
iv = nil;
return public;
end
local updateIV = function()
iv[16] = iv[16] + 1;
if iv[16] <= 0xFF then return; end
iv[16] = AND(iv[16], 0xFF);
iv[15] = iv[15] + 1;
if iv[15] <= 0xFF then return; end
iv[15] = AND(iv[15], 0xFF);
iv[14] = iv[14] + 1;
if iv[14] <= 0xFF then return; end
iv[14] = AND(iv[14], 0xFF);
iv[13] = iv[13] + 1;
if iv[13] <= 0xFF then return; end
iv[13] = AND(iv[13], 0xFF);
iv[12] = iv[12] + 1;
if iv[12] <= 0xFF then return; end
iv[12] = AND(iv[12], 0xFF);
iv[11] = iv[11] + 1;
if iv[11] <= 0xFF then return; end
iv[11] = AND(iv[11], 0xFF);
iv[10] = iv[10] + 1;
if iv[10] <= 0xFF then return; end
iv[10] = AND(iv[10], 0xFF);
iv[9] = iv[9] + 1;
if iv[9] <= 0xFF then return; end
iv[9] = AND(iv[9], 0xFF);
return;
end
public.update = function(messageStream)
local byte = messageStream();
while (byte ~= nil) do
inputQueue.push(byte);
if(inputQueue.size() >= blockCipher.blockSize) then
local block = Array.readFromQueue(inputQueue, blockCipher.blockSize);
if(iv == nil) then
iv = block;
else
local out = iv;
out = blockCipher.encrypt(key, out);
out = Array.XOR(out, block);
Array.writeToQueue(outputQueue, out);
updateIV();
end
end
byte = messageStream();
end
return public;
end
public.finish = function()
local paddingStream = padding(blockCipher.blockSize, inputQueue.getHead());
public.update(paddingStream);
return public;
end
public.getOutputQueue = function()
return outputQueue;
end
public.asHex = function()
return Stream.toHex(outputQueue.pop);
end
public.asBytes = function()
return Stream.toArray(outputQueue.pop);
end
return public;
end
CTR.Decipher = function()
local public = {};
local key;
local blockCipher;
local padding;
local inputQueue;
local outputQueue;
local iv;
public.setKey = function(keyBytes)
key = keyBytes;
return public;
end
public.setBlockCipher = function(cipher)
blockCipher = cipher;
return public;
end
public.setPadding = function(paddingMode)
padding = paddingMode;
return public;
end
public.init = function()
inputQueue = Queue();
outputQueue = Queue();
iv = nil;
return public;
end
local updateIV = function()
iv[16] = iv[16] + 1;
if iv[16] <= 0xFF then return; end
iv[16] = AND(iv[16], 0xFF);
iv[15] = iv[15] + 1;
if iv[15] <= 0xFF then return; end
iv[15] = AND(iv[15], 0xFF);
iv[14] = iv[14] + 1;
if iv[14] <= 0xFF then return; end
iv[14] = AND(iv[14], 0xFF);
iv[13] = iv[13] + 1;
if iv[13] <= 0xFF then return; end
iv[13] = AND(iv[13], 0xFF);
iv[12] = iv[12] + 1;
if iv[12] <= 0xFF then return; end
iv[12] = AND(iv[12], 0xFF);
iv[11] = iv[11] + 1;
if iv[11] <= 0xFF then return; end
iv[11] = AND(iv[11], 0xFF);
iv[10] = iv[10] + 1;
if iv[10] <= 0xFF then return; end
iv[10] = AND(iv[10], 0xFF);
iv[9] = iv[9] + 1;
if iv[9] <= 0xFF then return; end
iv[9] = AND(iv[9], 0xFF);
return;
end
public.update = function(messageStream)
local byte = messageStream();
while (byte ~= nil) do
inputQueue.push(byte);
if(inputQueue.size() >= blockCipher.blockSize) then
local block = Array.readFromQueue(inputQueue, blockCipher.blockSize);
if(iv == nil) then
iv = block;
else
local out = iv;
out = blockCipher.encrypt(key, out);
out = Array.XOR(out, block);
Array.writeToQueue(outputQueue, out);
updateIV();
end
end
byte = messageStream();
end
return public;
end
public.finish = function()
local paddingStream = padding(blockCipher.blockSize, inputQueue.getHead());
public.update(paddingStream);
return public;
end
public.getOutputQueue = function()
return outputQueue;
end
public.asHex = function()
return Stream.toHex(outputQueue.pop);
end
public.asBytes = function()
return Stream.toArray(outputQueue.pop);
end
return public;
end
return CTR;

164
lockbox/cipher/mode/ofb.lua
View File

@ -1,164 +0,0 @@
local Array = require("lockbox.util.array");
local Stream = require("lockbox.util.stream");
local Queue = require("lockbox.util.queue");
local OFB = {};
OFB.Cipher = function()
local public = {};
local key;
local blockCipher;
local padding;
local inputQueue;
local outputQueue;
local iv;
public.setKey = function(keyBytes)
key = keyBytes;
return public;
end
public.setBlockCipher = function(cipher)
blockCipher = cipher;
return public;
end
public.setPadding = function(paddingMode)
padding = paddingMode;
return public;
end
public.init = function()
inputQueue = Queue();
outputQueue = Queue();
iv = nil;
return public;
end
public.update = function(messageStream)
local byte = messageStream();
while (byte ~= nil) do
inputQueue.push(byte);
if(inputQueue.size() >= blockCipher.blockSize) then
local block = Array.readFromQueue(inputQueue, blockCipher.blockSize);
if(iv == nil) then
iv = block;
else
local out = iv;
out = blockCipher.encrypt(key, out);
iv = out;
out = Array.XOR(out, block);
Array.writeToQueue(outputQueue, out);
end
end
byte = messageStream();
end
return public;
end
public.finish = function()
local paddingStream = padding(blockCipher.blockSize, inputQueue.getHead());
public.update(paddingStream);
return public;
end
public.getOutputQueue = function()
return outputQueue;
end
public.asHex = function()
return Stream.toHex(outputQueue.pop);
end
public.asBytes = function()
return Stream.toArray(outputQueue.pop);
end
return public;
end
OFB.Decipher = function()
local public = {};
local key;
local blockCipher;
local padding;
local inputQueue;
local outputQueue;
local iv;
public.setKey = function(keyBytes)
key = keyBytes;
return public;
end
public.setBlockCipher = function(cipher)
blockCipher = cipher;
return public;
end
public.setPadding = function(paddingMode)
padding = paddingMode;
return public;
end
public.init = function()
inputQueue = Queue();
outputQueue = Queue();
iv = nil;
return public;
end
public.update = function(messageStream)
local byte = messageStream();
while (byte ~= nil) do
inputQueue.push(byte);
if(inputQueue.size() >= blockCipher.blockSize) then
local block = Array.readFromQueue(inputQueue, blockCipher.blockSize);
if(iv == nil) then
iv = block;
else
local out = iv;
out = blockCipher.encrypt(key, out);
iv = out;
out = Array.XOR(out, block);
Array.writeToQueue(outputQueue, out);
end
end
byte = messageStream();
end
return public;
end
public.finish = function()
local paddingStream = padding(blockCipher.blockSize, inputQueue.getHead());
public.update(paddingStream);
return public;
end
public.getOutputQueue = function()
return outputQueue;
end
public.asHex = function()
return Stream.toHex(outputQueue.pop);
end
public.asBytes = function()
return Stream.toArray(outputQueue.pop);
end
return public;
end
return OFB;

201
lockbox/digest/md5.lua Normal file
View File

@ -0,0 +1,201 @@
require("lockbox").insecure();
local Bit = require("lockbox.util.bit");
local String = require("string");
local Math = require("math");
local Queue = require("lockbox.util.queue");
local SHIFT = {
7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22,
5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20,
4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23,
6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21};
local CONSTANTS = {
0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee,
0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501,
0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be,
0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821,
0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa,
0xd62f105d, 0x02441453, 0xd8a1e681, 0xe7d3fbc8,
0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed,
0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a,
0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c,
0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70,
0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x04881d05,
0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665,
0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039,
0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1,
0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1,
0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391};
local AND = Bit.band;
local OR = Bit.bor;
local NOT = Bit.bnot;
local XOR = Bit.bxor;
local LROT = Bit.lrotate;
local LSHIFT = Bit.lshift;
local RSHIFT = Bit.rshift;
--MD5 is little-endian
local bytes2word = function(b0, b1, b2, b3)
local i = b3; i = LSHIFT(i, 8);
i = OR(i, b2); i = LSHIFT(i, 8);
i = OR(i, b1); i = LSHIFT(i, 8);
i = OR(i, b0);
return i;
end
local word2bytes = function(word)
local b0, b1, b2, b3;
b0 = AND(word, 0xFF); word = RSHIFT(word, 8);
b1 = AND(word, 0xFF); word = RSHIFT(word, 8);
b2 = AND(word, 0xFF); word = RSHIFT(word, 8);
b3 = AND(word, 0xFF);
return b0, b1, b2, b3;
end
local dword2bytes = function(i)
local b4, b5, b6, b7 = word2bytes(Math.floor(i / 0x100000000));
local b0, b1, b2, b3 = word2bytes(i);
return b0, b1, b2, b3, b4, b5, b6, b7;
end
local F = function(x, y, z) return OR(AND(x, y), AND(NOT(x), z)); end
local G = function(x, y, z) return OR(AND(x, z), AND(y, NOT(z))); end
local H = function(x, y, z) return XOR(x, XOR(y, z)); end
local I = function(x, y, z) return XOR(y, OR(x, NOT(z))); end
local MD5 = function()
local queue = Queue();
local A = 0x67452301;
local B = 0xefcdab89;
local C = 0x98badcfe;
local D = 0x10325476;
local public = {};
local processBlock = function()
local a = A;
local b = B;
local c = C;
local d = D;
local X = {};
for i = 1, 16 do
X[i] = bytes2word(queue.pop(), queue.pop(), queue.pop(), queue.pop());
end
for i = 0, 63 do
local f, g, temp;
if (0 <= i) and (i <= 15) then
f = F(b, c, d);
g = i;
elseif (16 <= i) and (i <= 31) then
f = G(b, c, d);
g = (5 * i + 1) % 16;
elseif (32 <= i) and (i <= 47) then
f = H(b, c, d);
g = (3 * i + 5) % 16;
elseif (48 <= i) and (i <= 63) then
f = I(b, c, d);
g = (7 * i) % 16;
end
temp = d;
d = c;
c = b;
b = b + LROT((a + f + CONSTANTS[i + 1] + X[g + 1]), SHIFT[i + 1]);
a = temp;
end
A = AND(A + a, 0xFFFFFFFF);
B = AND(B + b, 0xFFFFFFFF);
C = AND(C + c, 0xFFFFFFFF);
D = AND(D + d, 0xFFFFFFFF);
end
public.init = function()
queue.reset();
A = 0x67452301;
B = 0xefcdab89;
C = 0x98badcfe;
D = 0x10325476;
return public;
end
public.update = function(bytes)
for b in bytes do
queue.push(b);
if(queue.size() >= 64) then processBlock(); end
end
return public;
end
public.finish = function()
local bits = queue.getHead() * 8;
queue.push(0x80);
while ((queue.size() + 7) % 64) < 63 do
queue.push(0x00);
end
local b0, b1, b2, b3, b4, b5, b6, b7 = dword2bytes(bits);
queue.push(b0);
queue.push(b1);
queue.push(b2);
queue.push(b3);
queue.push(b4);
queue.push(b5);
queue.push(b6);
queue.push(b7);
while queue.size() > 0 do
processBlock();
end
return public;
end
public.asBytes = function()
local b0, b1, b2, b3 = word2bytes(A);
local b4, b5, b6, b7 = word2bytes(B);
local b8, b9, b10, b11 = word2bytes(C);
local b12, b13, b14, b15 = word2bytes(D);
return {b0, b1, b2, b3, b4, b5, b6, b7, b8, b9, b10, b11, b12, b13, b14, b15};
end
public.asHex = function()
local b0, b1, b2, b3 = word2bytes(A);
local b4, b5, b6, b7 = word2bytes(B);
local b8, b9, b10, b11 = word2bytes(C);
local b12, b13, b14, b15 = word2bytes(D);
return String.format("%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
b0, b1, b2, b3, b4, b5, b6, b7, b8, b9, b10, b11, b12, b13, b14, b15);
end
public.asString = function()
local b0, b1, b2, b3 = word2bytes(A);
local b4, b5, b6, b7 = word2bytes(B);
local b8, b9, b10, b11 = word2bytes(C);
local b12, b13, b14, b15 = word2bytes(D);
return string.pack(string.rep('B', 16),
b0, b1, b2, b3, b4, b5, b6, b7, b8,
b9, b10, b11, b12, b13, b14, b15
)
end
return public;
end
return MD5;

22
lockbox/padding/ansix923.lua
View File

@ -1,22 +0,0 @@
local ANSIX923Padding = function(blockSize, byteCount)
local paddingCount = blockSize - (byteCount % blockSize);
local bytesLeft = paddingCount;
local stream = function()
if bytesLeft > 1 then
bytesLeft = bytesLeft - 1;
return 0x00;
elseif bytesLeft > 0 then
bytesLeft = bytesLeft - 1;
return paddingCount;
else
return nil;
end
end
return stream;
end
return ANSIX923Padding;

22
lockbox/padding/isoiec7816.lua
View File

@ -1,22 +0,0 @@
local ISOIEC7816Padding = function(blockSize, byteCount)
local paddingCount = blockSize - (byteCount % blockSize);
local bytesLeft = paddingCount;
local stream = function()
if bytesLeft == paddingCount then
bytesLeft = bytesLeft - 1;
return 0x80;
elseif bytesLeft > 0 then
bytesLeft = bytesLeft - 1;
return 0x00;
else
return nil;
end
end
return stream;
end
return ISOIEC7816Padding;

18
lockbox/padding/pkcs7.lua
View File

@ -1,18 +0,0 @@
local PKCS7Padding = function(blockSize, byteCount)
local paddingCount = blockSize - ((byteCount -1) % blockSize) + 1;
local bytesLeft = paddingCount;
local stream = function()
if bytesLeft > 0 then
bytesLeft = bytesLeft - 1;
return paddingCount;
else
return nil;
end
end
return stream;
end
return PKCS7Padding;

19
lockbox/padding/zero.lua
View File

@ -1,19 +0,0 @@
local ZeroPadding = function(blockSize, byteCount)
local paddingCount = blockSize - ((byteCount -1) % blockSize) + 1;
local bytesLeft = paddingCount;
local stream = function()
if bytesLeft > 0 then
bytesLeft = bytesLeft - 1;
return 0x00;
else
return nil;
end
end
return stream;
end
return ZeroPadding;

22
lockbox/util/bit.lua
View File

@ -1,25 +1,19 @@
local ok, e
ok = nil
if not ok then
ok, e = pcall(require, "bit") -- the LuaJIT one ?
end
-- modified (simplified) for ComputerCraft
local ok, e = nil, nil
if not ok then
ok, e = pcall(require, "bit32") -- Lua 5.2
end
if not ok then
ok, e = pcall(require, "bit.numberlua") -- for Lua 5.1, https://github.com/tst2005/lua-bit-numberlua/
ok, e = pcall(require, "bit")
end
if not ok then
error("no bitwise support found", 2)
end
assert(type(e) == "table", "invalid bit module")
-- Workaround to support Lua 5.2 bit32 API with the LuaJIT bit one
if e.rol and not e.lrotate then
e.lrotate = e.rol
end
if e.ror and not e.rrotate then
e.rrotate = e.ror
end
return e

43
scada-common/comms.lua
View File

@ -7,14 +7,14 @@ local log = require("scada-common.log")
local insert = table.insert
---@diagnostic disable-next-line: undefined-field
local C_ID = os.getComputerID() ---@type integer computer ID
local COMPUTER_ID = os.getComputerID() ---@type integer computer ID
local max_distance = nil ---@type number|nil maximum acceptable transmission distance
local max_distance = nil ---@type number|nil maximum acceptable transmission distance
---@class comms
local comms = {}
comms.version = "2.0.0"
comms.version = "2.1.0"
---@enum PROTOCOL
local PROTOCOL = {
@ -149,6 +149,7 @@ function comms.scada_packet()
dest_addr = comms.BROADCAST,
seq_num = -1,
protocol = PROTOCOL.SCADA_MGMT,
mac = "",
length = 0,
payload = {}
}
@ -163,14 +164,13 @@ function comms.scada_packet()
---@param payload table
function public.make(dest_addr, seq_num, protocol, payload)
self.valid = true
---@diagnostic disable-next-line: undefined-field
self.src_addr = C_ID
self.src_addr = COMPUTER_ID
self.dest_addr = dest_addr
self.seq_num = seq_num
self.protocol = protocol
self.length = #payload
self.payload = payload
self.raw = { self.src_addr, self.dest_addr, self.seq_num, self.protocol, self.payload }
self.raw = { self.src_addr, self.dest_addr, self.seq_num, self.protocol, self.mac, self.payload }
end
-- parse in a modem message as a SCADA packet
@ -198,43 +198,58 @@ function comms.scada_packet()
-- log.debug("comms.scada_packet.receive(): discarding packet with distance " .. distance .. " outside of trusted range")
else
if type(self.raw) == "table" then
if #self.raw == 5 then
if #self.raw == 6 then
self.src_addr = self.raw[1]
self.dest_addr = self.raw[2]
self.seq_num = self.raw[3]
self.protocol = self.raw[4]
self.mac = self.raw[5]
-- element 5 must be a table
if type(self.raw[5]) == "table" then
self.length = #self.raw[5]
self.payload = self.raw[5]
if type(self.raw[6]) == "table" then
self.length = #self.raw[6]
self.payload = self.raw[6]
end
else
self.src_addr = nil
self.dest_addr = nil
self.seq_num = nil
self.protocol = nil
self.mac = ""
self.length = 0
self.payload = {}
end
-- check if this packet is destined for this device
local is_destination = (self.dest_addr == comms.BROADCAST) or (self.dest_addr == C_ID)
local is_destination = (self.dest_addr == comms.BROADCAST) or (self.dest_addr == COMPUTER_ID)
self.valid = is_destination and type(self.src_addr) == "number" and type(self.dest_addr) == "number" and
type(self.seq_num) == "number" and type(self.protocol) == "number" and type(self.payload) == "table"
self.valid = is_destination and
type(self.src_addr) == "number" and
type(self.dest_addr) == "number" and
type(self.seq_num) == "number" and
type(self.protocol) == "number" and
type(self.mac) == "string" and
type(self.payload) == "table"
end
end
return self.valid
end
-- set message authentication code
function public.set_mac(code)
self.mac = code
self.raw = { self.src_addr, self.dest_addr, self.seq_num, self.protocol, self.mac, self.payload }
end
-- public accessors --
---@nodiscard
function public.modem_event() return self.modem_msg_in end
---@nodiscard
function public.raw_sendable() return self.raw end
---@nodiscard
function public.raw_verifiable() return { self.src_addr, self.dest_addr, self.seq_num, self.protocol, "", self.payload } end
---@nodiscard
function public.local_channel() return self.modem_msg_in.s_channel end
@ -253,6 +268,8 @@ function comms.scada_packet()
---@nodiscard
function public.protocol() return self.protocol end
---@nodiscard
function public.mac() return self.mac end
---@nodiscard
function public.length() return self.length end
---@nodiscard
function public.data() return self.payload end

186
scada-common/crypto.lua
View File

@ -2,15 +2,13 @@
-- Cryptographic Communications Engine
--
local aes128 = require("lockbox.cipher.aes128")
local ctr_mode = require("lockbox.cipher.mode.ctr")
local sha1 = require("lockbox.digest.sha1")
local md5 = require("lockbox.digest.md5")
local sha2_256 = require("lockbox.digest.sha2_256")
local pbkdf2 = require("lockbox.kdf.pbkdf2")
local hmac = require("lockbox.mac.hmac")
local zero_pad = require("lockbox.padding.zero")
local stream = require("lockbox.util.stream")
local array = require("lockbox.util.array")
local comms = require("scada-common.comms")
local log = require("scada-common.log")
local util = require("scada-common.util")
@ -19,136 +17,56 @@ local crypto = {}
local c_eng = {
key = nil,
cipher = nil,
decipher = nil,
hmac = nil
}
---@alias hex string
-- initialize cryptographic system
function crypto.init(password, server_port)
function crypto.init(password)
local key_deriv = pbkdf2()
-- setup PBKDF2
-- the primary goal is to just turn our password into a 16 byte key
key_deriv.setPassword(password)
key_deriv.setSalt("salty_salt_at_" .. server_port)
key_deriv.setSalt("pepper")
key_deriv.setIterations(32)
key_deriv.setBlockLen(8)
key_deriv.setDKeyLen(16)
local start = util.time()
local start = util.time_ms()
key_deriv.setPRF(hmac().setBlockSize(64).setDigest(sha2_256))
key_deriv.finish()
log.dmesg("pbkdf2: key derivation took " .. (util.time() - start) .. "ms", "CRYPTO", colors.yellow)
local message = "pbkdf2 key derivation took " .. (util.time_ms() - start) .. "ms"
log.dmesg(message, "CRYPTO", colors.yellow)
log.info("crypto.init: " .. message)
c_eng.key = array.fromHex(key_deriv.asHex())
-- initialize cipher
c_eng.cipher = ctr_mode.Cipher()
c_eng.cipher.setKey(c_eng.key)
c_eng.cipher.setBlockCipher(aes128)
c_eng.cipher.setPadding(zero_pad)
-- initialize decipher
c_eng.decipher = ctr_mode.Decipher()
c_eng.decipher.setKey(c_eng.key)
c_eng.decipher.setBlockCipher(aes128)
c_eng.decipher.setPadding(zero_pad)
-- initialize HMAC
c_eng.hmac = hmac()
c_eng.hmac.setBlockSize(64)
c_eng.hmac.setDigest(sha1)
c_eng.hmac.setDigest(md5)
c_eng.hmac.setKey(c_eng.key)
log.dmesg("init: completed in " .. (util.time() - start) .. "ms", "CRYPTO", colors.yellow)
end
-- encrypt plaintext
---@nodiscard
---@param plaintext string
---@return table initial_value, string ciphertext
function crypto.encrypt(plaintext)
local start = util.time()
-- initial value
local iv = {
math.random(0, 255),
math.random(0, 255),
math.random(0, 255),
math.random(0, 255),
math.random(0, 255),
math.random(0, 255),
math.random(0, 255),
math.random(0, 255),
math.random(0, 255),
math.random(0, 255),
math.random(0, 255),
math.random(0, 255),
math.random(0, 255),
math.random(0, 255),
math.random(0, 255),
math.random(0, 255)
}
log.debug("crypto.random: iv random took " .. (util.time() - start) .. "ms")
start = util.time()
c_eng.cipher.init()
c_eng.cipher.update(stream.fromArray(iv))
c_eng.cipher.update(stream.fromString(plaintext))
c_eng.cipher.finish()
local ciphertext = c_eng.cipher.asHex() ---@type hex
log.debug("crypto.encrypt: aes128-ctr-mode took " .. (util.time() - start) .. "ms")
log.debug("ciphertext: " .. util.strval(ciphertext))
return iv, ciphertext
end
-- decrypt ciphertext
---@nodiscard
---@param iv string CTR initial value
---@param ciphertext string ciphertext hex
---@return string plaintext
function crypto.decrypt(iv, ciphertext)
local start = util.time()
c_eng.decipher.init()
c_eng.decipher.update(stream.fromArray(iv))
c_eng.decipher.update(stream.fromHex(ciphertext))
c_eng.decipher.finish()
local plaintext_hex = c_eng.decipher.asHex() ---@type hex
local plaintext = stream.toString(stream.fromHex(plaintext_hex))
log.debug("crypto.decrypt: aes128-ctr-mode took " .. (util.time() - start) .. "ms")
log.debug("plaintext: " .. util.strval(plaintext))
return plaintext
message = "init: completed in " .. (util.time_ms() - start) .. "ms"
log.dmesg(message, "CRYPTO", colors.yellow)
log.info("crypto." .. message)
end
-- generate HMAC of message
---@nodiscard
---@param message_hex string initial value concatenated with ciphertext
function crypto.hmac(message_hex)
local start = util.time()
---@param message string initial value concatenated with ciphertext
function crypto.hmac(message)
local start = util.time_ms()
c_eng.hmac.init()
c_eng.hmac.update(stream.fromHex(message_hex))
c_eng.hmac.update(stream.fromString(message))
c_eng.hmac.finish()
local hash = c_eng.hmac.asHex() ---@type hex
local hash = c_eng.hmac.asHex()
log.debug("crypto.hmac: hmac-sha1 took " .. (util.time() - start) .. "ms")
log.debug("hmac: " .. util.strval(hash))
log.debug("crypto.hmac: hmac-md5 took " .. (util.time_ms() - start) .. "ms")
log.debug("crypto.hmac: hmac = " .. util.strval(hash))
return hash
end
@ -173,7 +91,6 @@ function crypto.secure_modem(modem)
-- wrap a modem
---@param reconnected_modem table
---@diagnostic disable-next-line: redefined-local
function public.wrap(reconnected_modem)
modem = reconnected_modem
for key, func in pairs(modem) do
@ -184,58 +101,49 @@ function crypto.secure_modem(modem)
-- wrap modem functions, then we replace transmit
public.wrap(modem)
-- send a packet with encryption
---@param channel integer
---@param reply_channel integer
---@param payload table packet raw_sendable
function public.transmit(channel, reply_channel, payload)
local plaintext = textutils.serialize(payload, { allow_repetitions = true, compact = true })
-- send a packet with message authentication
---@param packet scada_packet packet raw_sendable
function public.transmit(packet)
local start = util.time_ms()
local message = textutils.serialize(packet.raw_verifiable(), { allow_repetitions = true, compact = true })
local computed_hmac = crypto.hmac(message)
local iv, ciphertext = crypto.encrypt(plaintext)
---@diagnostic disable-next-line: redefined-local
local computed_hmac = crypto.hmac(iv .. ciphertext)
packet.set_mac(computed_hmac)
modem.transmit(channel, reply_channel, { computed_hmac, iv, ciphertext })
log.debug("crypto.transmit: data processing took " .. (util.time_ms() - start) .. "ms")
modem.transmit(packet.remote_channel(), packet.local_channel(), packet.raw_sendable())
end
-- parse in a modem message as a network packet
---@nodiscard
---@param side string modem side
---@param sender integer sender port
---@param reply_to integer reply port
---@param message any encrypted packet sent with secure_modem.transmit
---@param sender integer sender channel
---@param reply_to integer reply channel
---@param message any packet sent with message authentication
---@param distance integer transmission distance
---@return string side, integer sender, integer reply_to, any plaintext_message, integer distance
---@return scada_packet|nil packet received packet if valid and passed authentication check
function public.receive(side, sender, reply_to, message, distance)
local body = ""
local packet = nil
local s_packet = comms.scada_packet()
if type(message) == "table" then
if #message == 3 then
---@diagnostic disable-next-line: redefined-local
local rx_hmac = message[1]
local iv = message[2]
local ciphertext = message[3]
-- parse packet as generic SCADA packet
s_packet.receive(side, sender, reply_to, message, distance)
local computed_hmac = crypto.hmac(iv .. ciphertext)
if s_packet.is_valid() then
local start = util.time_ms()
local packet_hmac = s_packet.mac()
local computed_hmac = crypto.hmac(textutils.serialize(s_packet.raw_verifiable(), { allow_repetitions = true, compact = true }))
if rx_hmac == computed_hmac then
-- message intact
local plaintext = crypto.decrypt(iv, ciphertext)
body = textutils.unserialize(plaintext)
if body == nil then
-- failed decryption
log.debug("crypto.secure_modem: decryption failed")
body = ""
end
else
-- something went wrong
log.debug("crypto.secure_modem: hmac mismatch violation")
end
if packet_hmac == computed_hmac then
log.debug("crypto.secure_modem.receive: HMAC verified in " .. (util.time_ms() - start) .. "ms")
packet = s_packet
else
log.debug("crypto.secure_modem.receive: HMAC failed verification in " .. (util.time_ms() - start) .. "ms")
end
end
return side, sender, reply_to, body, distance
return packet
end
return public