Zoltan Hudak / Enigma

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Dependents:   Enigma_Hello

Enigma.cpp@0:7a702d2d6b54, 2019-09-22 (annotated)

Committer:
hudakz
Date:
Sun Sep 22 21:11:35 2019 +0000
Revision:
0:7a702d2d6b54
Child:
1:a21920e248d3
Encryption library based on the Enigma encryption machine.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hudakz 0:7a702d2d6b54 1 #include "Enigma.h"
hudakz 0:7a702d2d6b54 2
hudakz 0:7a702d2d6b54 3 /*$off*/
hudakz 0:7a702d2d6b54 4 // Internal wiring of the five available rotors
hudakz 0:7a702d2d6b54 5 const uint8_t Enigma::ROTOR_I[256] = {
hudakz 0:7a702d2d6b54 6 0xe0, 0xd7, 0xf1, 0x7a, 0x92, 0x84, 0x5e, 0x1b, 0xd6, 0x38, 0x79, 0x10, 0x7c, 0xa6, 0x1f, 0x4d,
hudakz 0:7a702d2d6b54 7 0x4f, 0x30, 0x19, 0xdd, 0x61, 0x00, 0xa2, 0x82, 0x98, 0xf9, 0x2f, 0x6a, 0xc5, 0x64, 0x9d, 0x9b,
hudakz 0:7a702d2d6b54 8 0xca, 0x17, 0xd4, 0x24, 0x2b, 0x20, 0xd5, 0xea, 0xba, 0x25, 0x2e, 0x08, 0x78, 0x32, 0xaf, 0xe6,
hudakz 0:7a702d2d6b54 9 0x4c, 0x13, 0x56, 0xbd, 0xd9, 0xe5, 0x33, 0xee, 0x69, 0xf3, 0x0f, 0x99, 0xbb, 0x4e, 0x01, 0x77,
hudakz 0:7a702d2d6b54 10 0x9c, 0x91, 0xf0, 0x89, 0xf8, 0x74, 0xb1, 0x95, 0x88, 0x42, 0xd0, 0x50, 0xfc, 0xa7, 0x7e, 0x7d,
hudakz 0:7a702d2d6b54 11 0x59, 0x73, 0x6d, 0x45, 0x5b, 0x3d, 0x3b, 0x34, 0x97, 0xed, 0xde, 0x47, 0xf4, 0xe1, 0x60, 0xe4,
hudakz 0:7a702d2d6b54 12 0x2a, 0xad, 0xfb, 0x81, 0xa9, 0x29, 0x57, 0x51, 0xc4, 0x3f, 0x53, 0x1d, 0xbe, 0x06, 0xfa, 0x85,
hudakz 0:7a702d2d6b54 13 0x12, 0x3a, 0x8a, 0x96, 0x63, 0x07, 0x8c, 0xd3, 0x72, 0xe3, 0x54, 0xcb, 0x4b, 0x35, 0x0b, 0xeb,
hudakz 0:7a702d2d6b54 14 0xda, 0xd2, 0x3e, 0x7f, 0x1a, 0xb6, 0x0c, 0xc0, 0xb2, 0xc8, 0xa8, 0x66, 0x39, 0x8e, 0xf5, 0xa4,
hudakz 0:7a702d2d6b54 15 0xdf, 0xe2, 0x8d, 0x44, 0x31, 0x7b, 0x14, 0xdc, 0xa3, 0xc3, 0xfd, 0x1e, 0xef, 0x23, 0x9a, 0x2d,
hudakz 0:7a702d2d6b54 16 0xf7, 0xb8, 0xc1, 0x94, 0x36, 0x5d, 0x48, 0x68, 0x80, 0xec, 0x4a, 0x41, 0xb4, 0xe8, 0x16, 0x6e,
hudakz 0:7a702d2d6b54 17 0x49, 0x43, 0x18, 0x11, 0x9f, 0xd8, 0x8b, 0x83, 0xcc, 0x03, 0xcf, 0x5c, 0x27, 0xc6, 0x02, 0xe7,
hudakz 0:7a702d2d6b54 18 0xcd, 0x70, 0x5a, 0x04, 0xff, 0xc7, 0xb0, 0x76, 0xb7, 0x26, 0xb3, 0xce, 0x15, 0x6c, 0xb5, 0x0d,
hudakz 0:7a702d2d6b54 19 0x93, 0x09, 0xf2, 0xdb, 0xbc, 0x37, 0xaa, 0x87, 0xf6, 0xab, 0x67, 0x21, 0x28, 0xc2, 0xc9, 0x52,
hudakz 0:7a702d2d6b54 20 0x0e, 0x5f, 0x58, 0xae, 0x22, 0x6f, 0x86, 0x2c, 0x0a, 0x1c, 0x62, 0x9e, 0xa5, 0x46, 0x05, 0xac,
hudakz 0:7a702d2d6b54 21 0x65, 0x40, 0x75, 0x6b, 0xb9, 0xe9, 0xd1, 0x8f, 0x71, 0xfe, 0x55, 0xa0, 0xa1, 0x3c, 0x90, 0xbf
hudakz 0:7a702d2d6b54 22 };
hudakz 0:7a702d2d6b54 23
hudakz 0:7a702d2d6b54 24 const uint8_t Enigma::ROTOR_II[256] = {
hudakz 0:7a702d2d6b54 25 0xff, 0xa2, 0x4f, 0x1a, 0x1b, 0x20, 0x9b, 0xec, 0x47, 0x3e, 0xe7, 0x0d, 0x0f, 0x34, 0x50, 0x46,
hudakz 0:7a702d2d6b54 26 0x41, 0x9a, 0xf6, 0x63, 0xb6, 0x83, 0xea, 0x51, 0x88, 0xd4, 0xc1, 0x52, 0x42, 0x37, 0xc0, 0xc6,
hudakz 0:7a702d2d6b54 27 0xe3, 0x1e, 0xf7, 0xa9, 0x60, 0x4b, 0xda, 0x2d, 0x94, 0x7f, 0x85, 0x2f, 0xa0, 0x6a, 0xfa, 0xc8,
hudakz 0:7a702d2d6b54 28 0xde, 0x06, 0x8d, 0x75, 0xf8, 0xee, 0xaa, 0xc7, 0xef, 0x38, 0x14, 0x69, 0x23, 0x05, 0x8c, 0x3d,
hudakz 0:7a702d2d6b54 29 0x5d, 0xc9, 0x13, 0x2e, 0xab, 0x6c, 0x32, 0xc5, 0xfc, 0xb4, 0xb0, 0x98, 0x1d, 0xbc, 0x2a, 0xa6,
hudakz 0:7a702d2d6b54 30 0x3f, 0xf2, 0xac, 0xc4, 0x8e, 0xbb, 0xf9, 0x49, 0xad, 0x9c, 0xd5, 0x57, 0xeb, 0xa1, 0x3b, 0x15,
hudakz 0:7a702d2d6b54 31 0x7d, 0x28, 0x89, 0xb5, 0xb7, 0xe1, 0x5b, 0x65, 0xdc, 0x10, 0x82, 0x36, 0xb8, 0x2c, 0x25, 0x7a,
hudakz 0:7a702d2d6b54 32 0x91, 0x2b, 0xfe, 0x9f, 0x07, 0x01, 0xa4, 0x6f, 0xae, 0x79, 0xf5, 0xd9, 0x48, 0x5c, 0x6d, 0x74,
hudakz 0:7a702d2d6b54 33 0xb1, 0x8a, 0x58, 0x33, 0xd0, 0x6e, 0x40, 0xbd, 0x4d, 0x97, 0xcf, 0x62, 0x84, 0x30, 0x67, 0xa7,
hudakz 0:7a702d2d6b54 34 0xe6, 0xe2, 0xb2, 0x61, 0x80, 0x92, 0x0e, 0x68, 0x4e, 0x66, 0x81, 0x16, 0x90, 0x53, 0x11, 0xbe,
hudakz 0:7a702d2d6b54 35 0x6b, 0xd1, 0x04, 0xd3, 0x08, 0x70, 0x95, 0x93, 0x4c, 0xa5, 0xdf, 0xd6, 0x5e, 0xa8, 0x7e, 0x9e,
hudakz 0:7a702d2d6b54 36 0x19, 0xe0, 0x77, 0x73, 0xbf, 0xf1, 0x21, 0x9d, 0x55, 0xfd, 0xe8, 0x56, 0xdb, 0xce, 0x64, 0x43,
hudakz 0:7a702d2d6b54 37 0x0c, 0x29, 0x0b, 0x44, 0x31, 0xe9, 0x8f, 0x1f, 0x8b, 0x27, 0xed, 0x3a, 0xfb, 0x12, 0xca, 0x59,
hudakz 0:7a702d2d6b54 38 0x1c, 0xdd, 0xb3, 0x87, 0x3c, 0x96, 0x78, 0x86, 0x54, 0xd2, 0xcc, 0x26, 0x99, 0xc3, 0x71, 0x02,
hudakz 0:7a702d2d6b54 39 0xf0, 0xe4, 0x45, 0x22, 0x18, 0xd8, 0x5f, 0xd7, 0xb9, 0xcd, 0xba, 0x5a, 0x7b, 0xf4, 0xaf, 0xa3,
hudakz 0:7a702d2d6b54 40 0x00, 0x24, 0x35, 0x7c, 0x09, 0x39, 0x03, 0x17, 0xcb, 0xf3, 0x72, 0x4a, 0xe5, 0x76, 0xc2, 0x0a
hudakz 0:7a702d2d6b54 41 };
hudakz 0:7a702d2d6b54 42
hudakz 0:7a702d2d6b54 43 const uint8_t Enigma::ROTOR_III[256] = {
hudakz 0:7a702d2d6b54 44 0x1c, 0xb8, 0x5a, 0xa6, 0xc2, 0xf9, 0x78, 0xf6, 0x41, 0x22, 0xd7, 0x1e, 0xad, 0xcc, 0x96, 0xe0,
hudakz 0:7a702d2d6b54 45 0x59, 0x69, 0x09, 0x73, 0xe8, 0xfc, 0x1a, 0x17, 0xa2, 0x12, 0xfe, 0x00, 0xfd, 0x7e, 0x0c, 0x60,
hudakz 0:7a702d2d6b54 46 0x54, 0x8d, 0x2e, 0xfa, 0x9e, 0xb1, 0xa5, 0x3f, 0x03, 0x7b, 0xb9, 0xbf, 0x90, 0xdd, 0xe5, 0xd2,
hudakz 0:7a702d2d6b54 47 0x2f, 0x99, 0xcd, 0x80, 0x79, 0xcb, 0xc6, 0x5e, 0x31, 0x08, 0x29, 0xea, 0xd9, 0x58, 0xf2, 0x4f,
hudakz 0:7a702d2d6b54 48 0x4e, 0x02, 0xc0, 0x98, 0x34, 0x47, 0x64, 0xb4, 0xce, 0x5c, 0x8c, 0xa4, 0x28, 0x83, 0xcf, 0x44,
hudakz 0:7a702d2d6b54 49 0xec, 0xc9, 0xf4, 0x30, 0x56, 0xb2, 0x1b, 0x8f, 0x07, 0xff, 0x35, 0x6e, 0x0f, 0x7c, 0xae, 0x11,
hudakz 0:7a702d2d6b54 50 0xab, 0xe1, 0x13, 0xa0, 0xc8, 0xe9, 0x2c, 0x70, 0x82, 0x91, 0xee, 0x76, 0xbb, 0xde, 0x20, 0x7f,
hudakz 0:7a702d2d6b54 51 0xf0, 0x5b, 0xe4, 0x36, 0xa7, 0x2d, 0x89, 0x53, 0x93, 0x24, 0xa1, 0x3e, 0x51, 0xd0, 0xf8, 0x95,
hudakz 0:7a702d2d6b54 52 0xdb, 0x77, 0x8a, 0x40, 0x8b, 0xc3, 0xdc, 0x3d, 0xd4, 0x9f, 0x19, 0xbe, 0xd3, 0xe7, 0x45, 0x10,
hudakz 0:7a702d2d6b54 53 0x8e, 0x9d, 0x0d, 0x57, 0xa9, 0x72, 0x21, 0x49, 0x52, 0x04, 0xd8, 0xf1, 0xeb, 0x4c, 0xb0, 0x14,
hudakz 0:7a702d2d6b54 54 0x87, 0x55, 0x33, 0xa8, 0x61, 0x38, 0x39, 0x65, 0x42, 0x0e, 0xe2, 0xb5, 0x4b, 0x94, 0x27, 0xf7,
hudakz 0:7a702d2d6b54 55 0x06, 0x48, 0xd6, 0x6d, 0xb3, 0x50, 0x85, 0x6a, 0xbd, 0x3c, 0xdf, 0x6b, 0x67, 0x01, 0xfb, 0x86,
hudakz 0:7a702d2d6b54 56 0x63, 0xf3, 0xbc, 0x23, 0x88, 0xf5, 0xca, 0x2b, 0x18, 0xc4, 0x3b, 0x5f, 0x84, 0x7d, 0xed, 0xda,
hudakz 0:7a702d2d6b54 57 0x1d, 0xd1, 0x74, 0x0a, 0x43, 0x75, 0xc7, 0x32, 0x62, 0xb6, 0x16, 0xe6, 0x4a, 0xa3, 0x37, 0x71,
hudakz 0:7a702d2d6b54 58 0x81, 0x26, 0xaf, 0x68, 0x2a, 0x9a, 0x5d, 0x3a, 0x7a, 0xb7, 0xe3, 0x46, 0x0b, 0xd5, 0x25, 0x4d,
hudakz 0:7a702d2d6b54 59 0xc1, 0x66, 0xaa, 0x1f, 0x05, 0xba, 0x9c, 0x6c, 0x9b, 0xac, 0x97, 0x6f, 0xef, 0xc5, 0x92, 0x15
hudakz 0:7a702d2d6b54 60 };
hudakz 0:7a702d2d6b54 61
hudakz 0:7a702d2d6b54 62 const uint8_t Enigma::ROTOR_IV[256] = {
hudakz 0:7a702d2d6b54 63 0xc1, 0x1b, 0x04, 0xe6, 0x4a, 0x89, 0xaa, 0xbe, 0x78, 0x05, 0x8f, 0x1a, 0x02, 0x81, 0x45, 0x3a,
hudakz 0:7a702d2d6b54 64 0xaf, 0xee, 0x68, 0xd4, 0x71, 0x5d, 0x92, 0x90, 0x36, 0x0d, 0x21, 0x14, 0x46, 0xbc, 0x09, 0xb2,
hudakz 0:7a702d2d6b54 65 0xef, 0x8d, 0xba, 0x8c, 0xac, 0xdd, 0x01, 0xd8, 0xda, 0xcf, 0xff, 0xfc, 0xf6, 0x48, 0xf2, 0xb9,
hudakz 0:7a702d2d6b54 66 0x95, 0x59, 0xc4, 0x76, 0xb6, 0xca, 0x58, 0x2c, 0x07, 0xec, 0x2a, 0x47, 0x99, 0x8a, 0x31, 0x20,
hudakz 0:7a702d2d6b54 67 0xe2, 0x7f, 0x30, 0xbd, 0x8e, 0xb5, 0x70, 0x0b, 0x18, 0x37, 0x75, 0xb1, 0x94, 0xc7, 0x06, 0x00,
hudakz 0:7a702d2d6b54 68 0x73, 0xc8, 0xcc, 0x9e, 0xe9, 0x2d, 0x1d, 0x44, 0x98, 0x1f, 0x93, 0xfb, 0x41, 0x50, 0xad, 0x32,
hudakz 0:7a702d2d6b54 69 0x61, 0xbb, 0xf1, 0xfe, 0x24, 0xce, 0xb4, 0xab, 0x72, 0xea, 0x25, 0x67, 0xcd, 0x53, 0x26, 0x7a,
hudakz 0:7a702d2d6b54 70 0x77, 0xa8, 0x23, 0x19, 0x79, 0xd1, 0x9c, 0x5f, 0xf5, 0xc0, 0x1c, 0x5b, 0xe3, 0xc6, 0x6e, 0xd5,
hudakz 0:7a702d2d6b54 71 0xe0, 0x10, 0x3d, 0x66, 0x7d, 0x33, 0x51, 0x6c, 0x82, 0xd6, 0x84, 0x40, 0xdb, 0xe8, 0xc9, 0x62,
hudakz 0:7a702d2d6b54 72 0xf3, 0x5c, 0xd3, 0x60, 0x4d, 0x96, 0x08, 0x8b, 0xfa, 0xd0, 0xb7, 0x7e, 0xc2, 0x55, 0xb8, 0x63,
hudakz 0:7a702d2d6b54 73 0x86, 0x2f, 0x97, 0xa9, 0xa6, 0x3e, 0x34, 0xcb, 0x0e, 0x38, 0x6d, 0xbf, 0xf7, 0x11, 0x6b, 0x0a,
hudakz 0:7a702d2d6b54 74 0xeb, 0xf0, 0x15, 0x0c, 0xb3, 0x12, 0x88, 0xa4, 0x69, 0xd2, 0x9f, 0xa1, 0x9a, 0x39, 0x27, 0x2b,
hudakz 0:7a702d2d6b54 75 0x4f, 0x03, 0x91, 0xa5, 0x3b, 0xde, 0xf9, 0x4b, 0x28, 0x9b, 0x1e, 0x17, 0xe7, 0x6f, 0xdf, 0x16,
hudakz 0:7a702d2d6b54 76 0x43, 0xf4, 0xdc, 0x7c, 0x87, 0x54, 0xe4, 0xa3, 0x52, 0x0f, 0xe5, 0x49, 0xed, 0x56, 0xfd, 0xe1,
hudakz 0:7a702d2d6b54 77 0x13, 0x22, 0x85, 0x9d, 0x4c, 0xd9, 0x65, 0x3c, 0x6a, 0x5e, 0xb0, 0xa0, 0x29, 0x2e, 0x42, 0x35,
hudakz 0:7a702d2d6b54 78 0xae, 0x5a, 0x4e, 0xa7, 0xc3, 0x7b, 0xa2, 0x83, 0x64, 0x74, 0xf8, 0xd7, 0x80, 0x3f, 0xc5, 0x57
hudakz 0:7a702d2d6b54 79 };
hudakz 0:7a702d2d6b54 80
hudakz 0:7a702d2d6b54 81 const uint8_t Enigma::ROTOR_V[256] = {
hudakz 0:7a702d2d6b54 82 0xfe, 0xc8, 0x49, 0x21, 0xa5, 0x5a, 0xf4, 0xa8, 0xc3, 0x1b, 0x9a, 0x5e, 0x22, 0xae, 0x7f, 0xea,
hudakz 0:7a702d2d6b54 83 0x8f, 0xf1, 0x15, 0x73, 0xe3, 0xce, 0x05, 0x3c, 0x08, 0x07, 0xeb, 0x96, 0xcf, 0x98, 0x29, 0xbd,
hudakz 0:7a702d2d6b54 84 0x03, 0xad, 0x9e, 0x32, 0x0e, 0xc1, 0xb9, 0xd2, 0x83, 0xd6, 0x4d, 0x14, 0x1c, 0x68, 0x9d, 0x31,
hudakz 0:7a702d2d6b54 85 0xa2, 0x97, 0x01, 0x7e, 0xe5, 0xf6, 0x2d, 0x27, 0xe8, 0xf5, 0xf9, 0xb2, 0x10, 0x82, 0xd8, 0x66,
hudakz 0:7a702d2d6b54 86 0x76, 0x8e, 0x19, 0xfd, 0xa3, 0xa6, 0x8a, 0xd0, 0x2f, 0xc9, 0xb4, 0x9c, 0xd7, 0x38, 0xdf, 0x99,
hudakz 0:7a702d2d6b54 87 0xef, 0xc4, 0x09, 0xb1, 0x13, 0x3a, 0x6d, 0xbc, 0x58, 0x7c, 0x4c, 0x11, 0x7d, 0xe2, 0x30, 0xc7,
hudakz 0:7a702d2d6b54 88 0x2b, 0x6b, 0xab, 0x6e, 0x63, 0x7b, 0xff, 0x9b, 0x57, 0xd4, 0x61, 0x51, 0x26, 0x37, 0x4a, 0xed,
hudakz 0:7a702d2d6b54 89 0xb6, 0xac, 0xc5, 0x92, 0x89, 0x91, 0xcc, 0x1f, 0x0c, 0xa0, 0x6f, 0x94, 0xec, 0xa4, 0xdc, 0x4f,
hudakz 0:7a702d2d6b54 90 0x8b, 0xdb, 0x6c, 0x40, 0xc6, 0x48, 0x54, 0x45, 0x16, 0xe9, 0x6a, 0x20, 0x52, 0x67, 0x55, 0x34,
hudakz 0:7a702d2d6b54 91 0x90, 0x79, 0xf0, 0x33, 0x9f, 0xda, 0x87, 0xf2, 0x85, 0xf3, 0x00, 0xf7, 0xbf, 0x69, 0xa9, 0x50,
hudakz 0:7a702d2d6b54 92 0x59, 0x36, 0xe0, 0x3d, 0x06, 0x0f, 0x46, 0x44, 0xb5, 0x56, 0xe7, 0x77, 0x3b, 0x5c, 0x0b, 0xe4,
hudakz 0:7a702d2d6b54 93 0x35, 0xc2, 0x72, 0x41, 0x2e, 0x0d, 0xaf, 0xf8, 0xc0, 0x0a, 0x17, 0x24, 0x95, 0x81, 0xee, 0x1d,
hudakz 0:7a702d2d6b54 94 0x2a, 0xa7, 0xcb, 0xd1, 0x12, 0x02, 0xb7, 0x42, 0x84, 0x4e, 0x28, 0x78, 0x8c, 0x1a, 0xb0, 0x5b,
hudakz 0:7a702d2d6b54 95 0x7a, 0xfa, 0xde, 0xbb, 0x93, 0x88, 0xcd, 0xe1, 0xfc, 0x04, 0x1e, 0x43, 0x8d, 0x74, 0x80, 0x25,
hudakz 0:7a702d2d6b54 96 0x47, 0xa1, 0xaa, 0x39, 0xdd, 0xb3, 0xd5, 0x3f, 0x65, 0x5d, 0xba, 0x18, 0x71, 0x60, 0x75, 0x62,
hudakz 0:7a702d2d6b54 97 0x2c, 0x4b, 0x53, 0xca, 0x64, 0xe6, 0x23, 0x5f, 0x3e, 0x86, 0x70, 0xfb, 0xd3, 0xd9, 0xbe, 0xb8
hudakz 0:7a702d2d6b54 98 };
hudakz 0:7a702d2d6b54 99
hudakz 0:7a702d2d6b54 100 // Internal wiring of the reflector
hudakz 0:7a702d2d6b54 101 const uint8_t Enigma::REFLECTOR[256] = {
hudakz 0:7a702d2d6b54 102 0x31, 0x74, 0x9c, 0xc4, 0x2a, 0x7e, 0xc6, 0x69, 0x19, 0xa3, 0x5d, 0x91, 0xe7, 0x15, 0x2f, 0xa1,
hudakz 0:7a702d2d6b54 103 0x29, 0x7c, 0xd1, 0x80, 0x9e, 0x0d, 0xf0, 0xda, 0xff, 0x08, 0xd5, 0xfc, 0xdf, 0xa0, 0x58, 0xaf,
hudakz 0:7a702d2d6b54 104 0x4d, 0xc3, 0x8f, 0x46, 0x97, 0x70, 0xcd, 0x48, 0xea, 0x10, 0x04, 0xd3, 0x44, 0xd6, 0x51, 0x0e,
hudakz 0:7a702d2d6b54 105 0xfe, 0x00, 0xa2, 0x9d, 0x59, 0x50, 0x98, 0x6c, 0x53, 0x8c, 0xd8, 0x92, 0xa8, 0x87, 0x84, 0x6f,
hudakz 0:7a702d2d6b54 106 0x6d, 0xb6, 0x9a, 0xe3, 0x2c, 0x79, 0x23, 0xa7, 0x27, 0xa9, 0x66, 0xdb, 0xb5, 0x20, 0x68, 0x5b,
hudakz 0:7a702d2d6b54 107 0x35, 0x2e, 0xb1, 0x38, 0x89, 0xc7, 0xf1, 0x96, 0x1e, 0x34, 0xcb, 0x4f, 0x83, 0x0a, 0xf9, 0xfb,
hudakz 0:7a702d2d6b54 108 0x6b, 0xe2, 0xd0, 0x93, 0x71, 0x75, 0x4a, 0x8d, 0x4e, 0x07, 0x86, 0x60, 0x37, 0x40, 0xcc, 0x3f,
hudakz 0:7a702d2d6b54 109 0x25, 0x64, 0xe4, 0xc1, 0x01, 0x65, 0xfa, 0xb4, 0xf4, 0x45, 0xb2, 0xa5, 0x11, 0x7f, 0x05, 0x7d,
hudakz 0:7a702d2d6b54 110 0x13, 0xc8, 0xdd, 0x5c, 0x3e, 0x99, 0x6a, 0x3d, 0xf7, 0x54, 0xad, 0xc9, 0x39, 0x67, 0xe8, 0x22,
hudakz 0:7a702d2d6b54 111 0xef, 0x0b, 0x3b, 0x63, 0xf2, 0xd4, 0x57, 0x24, 0x36, 0x85, 0x42, 0xab, 0x02, 0x33, 0x14, 0xed,
hudakz 0:7a702d2d6b54 112 0x1d, 0x0f, 0x32, 0x09, 0xd7, 0x7b, 0xb0, 0x47, 0x3c, 0x49, 0xfd, 0x9b, 0xe6, 0x8a, 0xe0, 0x1f,
hudakz 0:7a702d2d6b54 113 0xa6, 0x52, 0x7a, 0xbd, 0x77, 0x4c, 0x41, 0xbf, 0xf6, 0xbb, 0xd9, 0xb9, 0xdc, 0xb3, 0xc0, 0xb7,
hudakz 0:7a702d2d6b54 114 0xbe, 0x73, 0xd2, 0x21, 0x03, 0xce, 0x06, 0x55, 0x81, 0x8b, 0xe5, 0x5a, 0x6e, 0x26, 0xc5, 0xee,
hudakz 0:7a702d2d6b54 115 0x62, 0x12, 0xc2, 0x2b, 0x95, 0x1a, 0x2d, 0xa4, 0x3a, 0xba, 0x17, 0x4b, 0xbc, 0x82, 0xec, 0x1c,
hudakz 0:7a702d2d6b54 116 0xae, 0xf5, 0x61, 0x43, 0x72, 0xca, 0xac, 0x0c, 0x8e, 0xf3, 0x28, 0xf8, 0xde, 0x9f, 0xcf, 0x90,
hudakz 0:7a702d2d6b54 117 0x16, 0x56, 0x94, 0xe9, 0x78, 0xe1, 0xb8, 0x88, 0xeb, 0x5e, 0x76, 0x5f, 0x1b, 0xaa, 0x30, 0x18
hudakz 0:7a702d2d6b54 118 };
hudakz 0:7a702d2d6b54 119 /*$on*/
hudakz 0:7a702d2d6b54 120
hudakz 0:7a702d2d6b54 121 /**
hudakz 0:7a702d2d6b54 122 * @brief Constructor
hudakz 0:7a702d2d6b54 123 * @note Selects which rotors are going to be used and sets their intial position.
hudakz 0:7a702d2d6b54 124 * @param
hudakz 0:7a702d2d6b54 125 * @retval
hudakz 0:7a702d2d6b54 126 */
hudakz 0:7a702d2d6b54 127 Enigma::Enigma
hudakz 0:7a702d2d6b54 128 (
hudakz 0:7a702d2d6b54 129 const uint8_t* leftRotorSel,
hudakz 0:7a702d2d6b54 130 const uint8_t* middleRotorSel,
hudakz 0:7a702d2d6b54 131 const uint8_t* rightRotorSel,
hudakz 0:7a702d2d6b54 132 uint8_t leftRotorPos,
hudakz 0:7a702d2d6b54 133 uint8_t middleRotorPos,
hudakz 0:7a702d2d6b54 134 uint8_t rightRotorPos
hudakz 0:7a702d2d6b54 135 ) :
hudakz 0:7a702d2d6b54 136 _len(256),
hudakz 0:7a702d2d6b54 137 _leftRotorPos(leftRotorPos),
hudakz 0:7a702d2d6b54 138 _middleRotorPos(middleRotorPos),
hudakz 0:7a702d2d6b54 139 _rightRotorPos(rightRotorPos)
hudakz 0:7a702d2d6b54 140 {
hudakz 0:7a702d2d6b54 141 // Initialize entry wheel.
hudakz 0:7a702d2d6b54 142 for (size_t i = 0; i < _len; i++) {
hudakz 0:7a702d2d6b54 143 _entryWheel[i] = i;
hudakz 0:7a702d2d6b54 144 }
hudakz 0:7a702d2d6b54 145
hudakz 0:7a702d2d6b54 146 // Selected three rotors from the set of fives.
hudakz 0:7a702d2d6b54 147 _leftRotor = const_cast<uint8_t*>(leftRotorSel);
hudakz 0:7a702d2d6b54 148 _middleRotor = const_cast<uint8_t*>(middleRotorSel);
hudakz 0:7a702d2d6b54 149 _rightRotor = const_cast<uint8_t*>(rightRotorSel);
hudakz 0:7a702d2d6b54 150
hudakz 0:7a702d2d6b54 151 // Initialize rflector.
hudakz 0:7a702d2d6b54 152 _reflector = const_cast<uint8_t*>(REFLECTOR);
hudakz 0:7a702d2d6b54 153 }
hudakz 0:7a702d2d6b54 154
hudakz 0:7a702d2d6b54 155 /**
hudakz 0:7a702d2d6b54 156 * @brief
hudakz 0:7a702d2d6b54 157 * @note
hudakz 0:7a702d2d6b54 158 * @param
hudakz 0:7a702d2d6b54 159 * @retval
hudakz 0:7a702d2d6b54 160 */
hudakz 0:7a702d2d6b54 161 char* Enigma::encrypt(char* out, const char* in, size_t len)
hudakz 0:7a702d2d6b54 162 {
hudakz 0:7a702d2d6b54 163 // Sets initial permutation
hudakz 0:7a702d2d6b54 164 int leftRotorPos = _leftRotorPos;
hudakz 0:7a702d2d6b54 165 int middleRotorPos = _middleRotorPos;
hudakz 0:7a702d2d6b54 166 int rightRotorPos = _rightRotorPos;
hudakz 0:7a702d2d6b54 167
hudakz 0:7a702d2d6b54 168 for (size_t i = 0; i < len; i++) {
hudakz 0:7a702d2d6b54 169 char c = in[i];
hudakz 0:7a702d2d6b54 170
hudakz 0:7a702d2d6b54 171 // Avance right rotor on every character entry
hudakz 0:7a702d2d6b54 172 rightRotorPos = _mod(rightRotorPos + 1);
hudakz 0:7a702d2d6b54 173
hudakz 0:7a702d2d6b54 174 // Avance mid rotor with a notch located at 13
hudakz 0:7a702d2d6b54 175 if ((rightRotorPos % 13) == 0) {
hudakz 0:7a702d2d6b54 176 middleRotorPos = _mod(middleRotorPos + 2);
hudakz 0:7a702d2d6b54 177 }
hudakz 0:7a702d2d6b54 178
hudakz 0:7a702d2d6b54 179 // Avance left rotor with a notch located at 13
hudakz 0:7a702d2d6b54 180 if ((middleRotorPos % 13) == 0) {
hudakz 0:7a702d2d6b54 181 leftRotorPos = _mod(leftRotorPos + 1);
hudakz 0:7a702d2d6b54 182 }
hudakz 0:7a702d2d6b54 183
hudakz 0:7a702d2d6b54 184 // Pass through rotors
hudakz 0:7a702d2d6b54 185 c = _rightRotor[_mod(c + rightRotorPos)];
hudakz 0:7a702d2d6b54 186 c = _middleRotor[_mod(c + middleRotorPos - rightRotorPos)];
hudakz 0:7a702d2d6b54 187 c = _leftRotor[_mod(c + leftRotorPos - middleRotorPos)];
hudakz 0:7a702d2d6b54 188
hudakz 0:7a702d2d6b54 189 // Pass through reflector
hudakz 0:7a702d2d6b54 190 c = _reflector[_mod(c - leftRotorPos)];
hudakz 0:7a702d2d6b54 191 c = _entryWheel[_mod(c + leftRotorPos)];
hudakz 0:7a702d2d6b54 192
hudakz 0:7a702d2d6b54 193 // Inverse pass trough rotors
hudakz 0:7a702d2d6b54 194 c = _entryWheel[_mod(_find(c, _leftRotor) - leftRotorPos + middleRotorPos)];
hudakz 0:7a702d2d6b54 195 c = _entryWheel[_mod(_find(c, _middleRotor) - middleRotorPos + rightRotorPos)];
hudakz 0:7a702d2d6b54 196 c = _entryWheel[_mod(_find(c, _rightRotor) - rightRotorPos)];
hudakz 0:7a702d2d6b54 197
hudakz 0:7a702d2d6b54 198 out[i] = c;
hudakz 0:7a702d2d6b54 199 }
hudakz 0:7a702d2d6b54 200
hudakz 0:7a702d2d6b54 201 return out;
hudakz 0:7a702d2d6b54 202 }
hudakz 0:7a702d2d6b54 203
hudakz 0:7a702d2d6b54 204 /**
hudakz 0:7a702d2d6b54 205 * @brief
hudakz 0:7a702d2d6b54 206 * @note
hudakz 0:7a702d2d6b54 207 * @param
hudakz 0:7a702d2d6b54 208 * @retval
hudakz 0:7a702d2d6b54 209 */
hudakz 0:7a702d2d6b54 210 char* Enigma::decrypt(char* out, const char* in, size_t len)
hudakz 0:7a702d2d6b54 211 {
hudakz 0:7a702d2d6b54 212 return encrypt(out, in, len);
hudakz 0:7a702d2d6b54 213 }
hudakz 0:7a702d2d6b54 214
hudakz 0:7a702d2d6b54 215 /**
hudakz 0:7a702d2d6b54 216 * @brief Generates a new rotor wiring.
hudakz 0:7a702d2d6b54 217 * @note Prints to the serial terminal.
hudakz 0:7a702d2d6b54 218 * @param name Rotor's name. Should be "I", "II", "III", "IV" or "V"
hudakz 0:7a702d2d6b54 219 * @param seed A number to seed the pseudo-ramdom generator with.
hudakz 0:7a702d2d6b54 220 * @retval
hudakz 0:7a702d2d6b54 221 */
hudakz 0:7a702d2d6b54 222 void Enigma::genRotorWiring(const char* name, unsigned seed)
hudakz 0:7a702d2d6b54 223 {
hudakz 0:7a702d2d6b54 224 uint8_t* rotor = new uint8_t[_len];
hudakz 0:7a702d2d6b54 225 srand(seed);
hudakz 0:7a702d2d6b54 226 for (size_t i = 0; i < _len; i++) {
hudakz 0:7a702d2d6b54 227 rotor[i] = i;
hudakz 0:7a702d2d6b54 228 }
hudakz 0:7a702d2d6b54 229 for (int j = 0; j < (rand() % 1000 + 1000); j++) {
hudakz 0:7a702d2d6b54 230 for (size_t i = 0; i < _len; i++) {
hudakz 0:7a702d2d6b54 231 uint8_t byte = rotor[i];
hudakz 0:7a702d2d6b54 232 int k = rand() % _len;
hudakz 0:7a702d2d6b54 233 rotor[i] = rotor[k];
hudakz 0:7a702d2d6b54 234 rotor[k] = byte;
hudakz 0:7a702d2d6b54 235 }
hudakz 0:7a702d2d6b54 236 }
hudakz 0:7a702d2d6b54 237
hudakz 0:7a702d2d6b54 238 printf("const uint8_t Enigma::ROTOR_%s[256] = {\r\n", name);
hudakz 0:7a702d2d6b54 239 for (size_t i = 0; i < _len; i++) {
hudakz 0:7a702d2d6b54 240 if (i == 255) {
hudakz 0:7a702d2d6b54 241 printf("0x%.2x\n", rotor[i]);
hudakz 0:7a702d2d6b54 242 }
hudakz 0:7a702d2d6b54 243 else {
hudakz 0:7a702d2d6b54 244 switch (i % 16) {
hudakz 0:7a702d2d6b54 245 case 0:
hudakz 0:7a702d2d6b54 246 printf(" 0x%.2x, ", rotor[i]);
hudakz 0:7a702d2d6b54 247 break;
hudakz 0:7a702d2d6b54 248
hudakz 0:7a702d2d6b54 249 case 15:
hudakz 0:7a702d2d6b54 250 printf("0x%.2x,\n", rotor[i]);
hudakz 0:7a702d2d6b54 251 break;
hudakz 0:7a702d2d6b54 252
hudakz 0:7a702d2d6b54 253 default:
hudakz 0:7a702d2d6b54 254 printf("0x%.2x, ", rotor[i]);
hudakz 0:7a702d2d6b54 255 }
hudakz 0:7a702d2d6b54 256 }
hudakz 0:7a702d2d6b54 257 }
hudakz 0:7a702d2d6b54 258
hudakz 0:7a702d2d6b54 259 printf("};\r\n\r\n");
hudakz 0:7a702d2d6b54 260
hudakz 0:7a702d2d6b54 261 delete[] rotor;
hudakz 0:7a702d2d6b54 262 }
hudakz 0:7a702d2d6b54 263
hudakz 0:7a702d2d6b54 264 /**
hudakz 0:7a702d2d6b54 265 * @brief Generates a reflector wiring.
hudakz 0:7a702d2d6b54 266 * @note Prints to the serial terminal.
hudakz 0:7a702d2d6b54 267 * @param seed A number to seed the pseudo-ramdom generator with.
hudakz 0:7a702d2d6b54 268 * @retval
hudakz 0:7a702d2d6b54 269 */
hudakz 0:7a702d2d6b54 270 void Enigma::genReflectorWiring(unsigned seed)
hudakz 0:7a702d2d6b54 271 {
hudakz 0:7a702d2d6b54 272 uint8_t* reflector = new uint8_t[_len];
hudakz 0:7a702d2d6b54 273 uint8_t* modified = new uint8_t[_len];
hudakz 0:7a702d2d6b54 274 size_t k;
hudakz 0:7a702d2d6b54 275
hudakz 0:7a702d2d6b54 276 srand(seed);
hudakz 0:7a702d2d6b54 277 for (size_t i = 0; i < _len; i++) {
hudakz 0:7a702d2d6b54 278 reflector[i] = i;
hudakz 0:7a702d2d6b54 279 }
hudakz 0:7a702d2d6b54 280
hudakz 0:7a702d2d6b54 281 memset(modified, 0, _len);
hudakz 0:7a702d2d6b54 282
hudakz 0:7a702d2d6b54 283 for (size_t i = 0; i < _len; i++) {
hudakz 0:7a702d2d6b54 284 if (modified[i] != 0) {
hudakz 0:7a702d2d6b54 285 continue;
hudakz 0:7a702d2d6b54 286 }
hudakz 0:7a702d2d6b54 287
hudakz 0:7a702d2d6b54 288 do {
hudakz 0:7a702d2d6b54 289 k = i + 1 + rand() % (_len - i - 1);
hudakz 0:7a702d2d6b54 290 } while (modified[k]);
hudakz 0:7a702d2d6b54 291
hudakz 0:7a702d2d6b54 292 uint8_t byte = reflector[k];
hudakz 0:7a702d2d6b54 293 reflector[k] = reflector[i];
hudakz 0:7a702d2d6b54 294 reflector[i] = byte;
hudakz 0:7a702d2d6b54 295 modified[i] = 1;
hudakz 0:7a702d2d6b54 296 modified[k] = 1;
hudakz 0:7a702d2d6b54 297 }
hudakz 0:7a702d2d6b54 298
hudakz 0:7a702d2d6b54 299 delete[] modified;
hudakz 0:7a702d2d6b54 300
hudakz 0:7a702d2d6b54 301 printf("const uint8_t Enigma::REFLECTOR[256] = {\r\n");
hudakz 0:7a702d2d6b54 302 for (size_t i = 0; i < _len; i++) {
hudakz 0:7a702d2d6b54 303 if (i == 255) {
hudakz 0:7a702d2d6b54 304 printf("0x%.2x\n", reflector[i]);
hudakz 0:7a702d2d6b54 305 }
hudakz 0:7a702d2d6b54 306 else {
hudakz 0:7a702d2d6b54 307 switch (i % 16) {
hudakz 0:7a702d2d6b54 308 case 0:
hudakz 0:7a702d2d6b54 309 printf(" 0x%.2x, ", reflector[i]);
hudakz 0:7a702d2d6b54 310 break;
hudakz 0:7a702d2d6b54 311
hudakz 0:7a702d2d6b54 312 case 15:
hudakz 0:7a702d2d6b54 313 printf("0x%.2x,\n", reflector[i]);
hudakz 0:7a702d2d6b54 314 break;
hudakz 0:7a702d2d6b54 315
hudakz 0:7a702d2d6b54 316 default:
hudakz 0:7a702d2d6b54 317 printf("0x%.2x, ", reflector[i]);
hudakz 0:7a702d2d6b54 318 }
hudakz 0:7a702d2d6b54 319 }
hudakz 0:7a702d2d6b54 320 }
hudakz 0:7a702d2d6b54 321
hudakz 0:7a702d2d6b54 322 printf("};\r\n\r\n");
hudakz 0:7a702d2d6b54 323
hudakz 0:7a702d2d6b54 324 delete[] reflector;
hudakz 0:7a702d2d6b54 325 }
hudakz 0:7a702d2d6b54 326
hudakz 0:7a702d2d6b54 327 /**
hudakz 0:7a702d2d6b54 328 * @brief
hudakz 0:7a702d2d6b54 329 * @note
hudakz 0:7a702d2d6b54 330 * @param
hudakz 0:7a702d2d6b54 331 * @retval
hudakz 0:7a702d2d6b54 332 */
hudakz 0:7a702d2d6b54 333 size_t Enigma::_mod(long i)
hudakz 0:7a702d2d6b54 334 {
hudakz 0:7a702d2d6b54 335 return((i % _len + _len) % _len);
hudakz 0:7a702d2d6b54 336 }
hudakz 0:7a702d2d6b54 337
hudakz 0:7a702d2d6b54 338 /**
hudakz 0:7a702d2d6b54 339 * @brief
hudakz 0:7a702d2d6b54 340 * @note
hudakz 0:7a702d2d6b54 341 * @param
hudakz 0:7a702d2d6b54 342 * @retval
hudakz 0:7a702d2d6b54 343 */
hudakz 0:7a702d2d6b54 344 int Enigma::_find(uint8_t byte, uint8_t* array)
hudakz 0:7a702d2d6b54 345 {
hudakz 0:7a702d2d6b54 346 for (size_t i = 0; i < _len; i++) {
hudakz 0:7a702d2d6b54 347 if (array[i] == byte) {
hudakz 0:7a702d2d6b54 348 return i;
hudakz 0:7a702d2d6b54 349 }
hudakz 0:7a702d2d6b54 350 }
hudakz 0:7a702d2d6b54 351
hudakz 0:7a702d2d6b54 352 return -1;
hudakz 0:7a702d2d6b54 353 }