[1] M.Tatafiore,
G.Cordasco. Data Encryption standard.
Tesina per il corso di SICUREZZA SU RETI, corso di laurea in Informatica,
Università di Salerno.
[2]
Il bando
di concorso e tutte le informazioni riguardanti l’AES sono reperibili presso il
sito del NIST: www.nist.gov/AES
[3] M.Coppola, O. Panza. Cifrari a blocchi. Tesina per il corso di SICUREZZA SU RETI,
corso di laurea in Informatica, Università di Salerno.
[4] C.M. Adams. "Constructing symmetric ciphers using the CAST
design procedure". Designs, Codes and Cryptography, 12(3):283-316,
November 1997.
[5] W. Becker, "Method And System For Machine Enciphering And
Deciphering" U.S. Patent No. 4157454, 1979.
[6] A. Biryukov and E. Kushilevitz, "Improved cryptanalysis of
RC5", Advances in Cryptology,
EUROCRYPT 98, Lecture Notes in Computer Science, vol. 1403, K. Nyberg ed., Springer-Verlag,pages 85–99, 1998.
[7] X. Lai, J.Massey and S. Murphy, "Markov ciphers and
differential cryptanalysis", Proceedings of Eurocrypt ’91, pages
17-38.
[8] W.E. Madryga, "A high performance encryption algorithm",
Computer security: a global challenge, Elsevier Science Publishers, 1984, pages
557-570.
[9] R. Rivest, "The RC5 Encryption Algorithm"
K.U. Leuven workshop on cryptographic algorithms, Springer-Verlag, 1995.
[10] A. Shamir, "Visual Cryptanalysis", Advances in Cryptology, EUROCRYPT 98, Lecture Notes in
Computer Science, vol. 1403, K. Nyberg ed.,
Springer-Verlag, pages 201–210, 1998.
[11] E. Biham, A. Shamir. Differential Cryptanalysis of the Data Encryption
Standard. Springer-Verlag, New York, 1993.
[12] M. Matsui. Linear cryptanalysis
method for DES cipher. In T. Helleseth, editor, Advanced in Cryptology -
Eurocrypt '93, volume 765 of Lecture Notes in Computer Science, pag. 386-397,
1994, Springer-Verlag.
Di seguito
è mostrata la S-box usata nel cifrario.
|
S-box |
|
WORD Sbox[ ] = { 0x09d0c479, 0x28c8ffe0,
0x84aa6c39, 0x9dad7287, 0x7dff9be3, 0xd4268361, 0xc96da1d4, 0x7974cc93, 0x85d0582e, 0x2a4b5705,
0x1ca16a62, 0xc3bd279d, 0x0f1f25e5, 0x5160372f, 0xc695c1fb, 0x4d7ff1e4,
0xae5f6bf4, 0x0d72ee46, 0xff23de8a, 0xb1cf8e83, 0xf14902e2, 0x3e981e42,
0x8bf53eb6, 0x7f4bf8ac, 0x83631f83, 0x25970205,
0x76afe784, 0x3a7931d4, 0x4f846450, 0x5c64c3f6, 0x210a5f18, 0xc6986a26, 0x28f4e826, 0x3a60a81c,
0xd340a664, 0x7ea820c4, 0x526687c5, 0x7eddd12b, 0x32a11d1d, 0x9c9ef086,
0x80f6e831, 0xab6f04ad, 0x56fb9b53, 0x8b2e095c, 0xb68556ae, 0xd2250b0d,
0x294a7721, 0xe21fb253, 0xae136749, 0xe82aae86, 0x93365104, 0x99404a66,
0x78a784dc, 0xb69ba84b, 0x04046793, 0x23db5c1e, 0x46cae1d6, 0x2fe28134,
0x5a223942, 0x1863cd5b, 0xc190c6e3, 0x07dfb846, 0x6eb88816, 0x2d0dcc4a,
0xa4ccae59, 0x3798670d, 0xcbfa9493, 0x4f481d45, 0xeafc8ca8, 0xdb1129d6, 0xb0449e20,
0x0f5407fb, 0x6167d9a8, 0xd1f45763,
0x4daa96c3, 0x3bec5958, 0xababa014, 0xb6ccd201, 0x38d6279f, 0x02682215, 0x8f376cd5, 0x092c237e,
0xbfc56593, 0x32889d2c, 0x854b3e95, 0x05bb9b43, 0x7dcd5dcd, 0xa02e926c,
0xfae527e5, 0x36a1c330, 0x3412e1ae, 0xf257f462, 0x3c4f1d71, 0x30a2e809,
0x68e5f551, 0x9c61ba44, 0x5ded0ab8, 0x75ce09c8, 0x9654f93e, 0x698c0cca,
0x243cb3e4, 0x2b062b97, 0x0f3b8d9e, 0x00e050df, 0xfc5d6166, 0xe35f9288,
0xc079550d, 0x0591aee8, 0x8e531e74, 0x75fe3578, 0x2f6d829a, 0xf60b21ae,
0x95e8eb8d, 0x6699486b, 0x901d7d9b, 0xfd6d6e31, 0x1090acef, 0xe0670dd8,
0xdab2e692, 0xcd6d4365, 0xe5393514, 0x3af345f0, 0x6241fc4d, 0x460da3a3,
0x7bcf3729, 0x8bf1d1e0, 0x14aac070, 0x1587ed55, 0x3afd7d3e, 0xd2f29e01,
0x29a9d1f6, 0xefb10c53, 0xcf3b870f, 0xb414935c,
0x664465ed, 0x024acac7, 0x59a744c1, 0x1d2936a7, 0xdc580aa6, 0xcf574ca8,
0x040a7a10, 0x6cd81807, 0x8a98be4c, 0xaccea063, 0xc33e92b5, 0xd1e0e03d, 0xb322517e, 0x2092bd13,
0x386b2c4a, 0x52e8dd58, 0x58656dfb, 0x50820371, 0x41811896, 0xe337ef7e, 0xd39fb119,
0xc97f0df6, 0x68fea01b, 0xa150a6e5, 0x55258962, 0xeb6ff41b,
0xd7c9cd7a, 0xa619cd9e, 0xbcf09576, 0x2672c073,
0xf003fb3c, 0x4ab7a50b, 0x1484126a, 0x487ba9b1, 0xa64fc9c6, 0xf6957d49,
0x38b06a75, 0xdd805fcd, 0x63d094cf, 0xf51c999e, 0x1aa4d343, 0xb8495294, 0xce9f8e99, 0xbffcd770,
0xc7c275cc, 0x378453a7, 0x7b21be33, 0x397f41bd,
0x4e94d131, 0x92cc1f98, 0x5915ea51, 0x99f861b7, 0xc9980a88, 0x1d74fd5f,
0xb0a495f8, 0x614deed0, 0xb5778eea, 0x5941792d, 0xfa90c1f8, 0x33f824b4, 0xc4965372, 0x3ff6d550, 0x4ca5fec0,
0x8630e964, 0x5b3fbbd6, 0x7da26a48, 0xb203231a, 0x04297514,
0x2d639306, 0x2eb13149, 0x16a45272, 0x532459a0, 0x8e5f4872, 0xf966c7d9,
0x07128dc0, 0x0d44db62, 0xafc8d52d, 0x06316131, 0xd838e7ce, 0x1bc41d00,
0x3a2e8c0f, 0xea83837e, 0xb984737d, 0x13ba4891, 0xc4f8b949, 0xa6d6acb3,
0xa215cdce, 0x8359838b, 0x6bd1aa31, 0xf579dd52, 0x21b93f93, 0xf5176781,
0x187dfdde, 0xe94aeb76, 0x2b38fd54, 0x431de1da, 0xab394825, 0x9ad3048f,
0xdfea32aa, 0x659473e3, 0x623f7863, 0xf3346c59,
0xab3ab685, 0x3346a90b, 0x6b56443e, 0xc6de01f8, 0x8d421fc0, 0x9b0ed10c,
0x88f1a1e9, 0x54c1f029, 0x7dead57b, 0x8d7ba426, 0x4cf5178a, 0x551a7cca, 0x1a9a5f08, 0xfcd651b9,
0x25605182, 0xe11fc6c3, 0xb6fd9676, 0x337b3027, 0xb7c8eb14, 0x9e5fd030,
0x6b57e354, 0xad913cf7, 0x7e16688d,
0x58872a69, 0x2c2fc7df, 0xe389ccc6, 0x30738df1, 0x0824a734, 0xe1797a8b, 0xa4a8d57b, 0x5b5d193b, 0xc8a8309b,
0x73f9a978, 0x73398d32, 0x0f59573e, 0xe9df2b03, 0xe8a5b6c8, 0x848d0704,
0x98df93c2, 0x720a1dc3, 0x684f259a, 0x943ba848, 0xa6370152, 0x863b5ea3, 0xd17b978b,
0x6d9b58ef, 0x0a700dd4,
0xa73d36bf, 0x8e6a0829, 0x8695bc14, 0xe35b3447, 0x933ac568, 0x8894b022,
0x2f511c27, 0xddfbcc3c, 0x006662b6, 0x117c83fe, 0x4e12b414, 0xc2bca766,
0x3a2fec10, 0xf4562420, 0x55792e2a, 0x46f5d857, 0xceda25ce, 0xc3601d3b, 0x6c00ab46, 0xefac9c28, 0xb3c35047,
0x611dfee3, 0x257c3207, 0xfdd58482, 0x3b14d84f, 0x23becb64, 0xa075f3a3,
0x088f8ead, 0x07adf158, 0x7796943c,
0xfacabf3d, 0xc09730cd, 0xf7679969, 0xda44e9ed, 0x2c854c12, 0x35935fa3,
0x2f057d9f, 0x690624f8, 0x1cb0bafd, 0x7b0dbdc6, 0x810f23bb, 0xfa929a1a,
0x6d969a17, 0x6742979b, 0x74ac7d05, 0x010e65c4, 0x86a3d963, 0xf907b5a0, 0xd0042bd3, 0x158d7d03, 0x287a8255,
0xbba8366f, 0x096edc33, 0x21916a7b, 0x77b56b86, 0x951622f9, 0xa6c5e650,
0x8cea17d1, 0xcd8c62bc, 0xa3d63433, 0x358a68fd, 0x0f9b9d3c, 0xd6aa295b,
0xfe33384a, 0xc000738e, 0xcd67eb2f, 0xe2eb6dc2, 0x97338b02, 0x06c9f246,
0x419cf1ad, 0x2b83c045, 0x3723f18a,
0xcb5b3089, 0x160bead7, 0x5d494656, 0x35f8a74b, 0x1e4e6c9e, 0x000399bd,
0x67466880, 0xb4174831, 0xacf423b2, 0xca815ab3, 0x5a6395e7, 0x302a67c5,
0x8bdb446b, 0x108f8fa4, 0x10223eda, 0x92b8b48b, 0x7f38d0ee, 0xab2701d4,
0x0262d415, 0xaf224a30, 0xb3d88aba, 0xf8b2c3af, 0xdaf7ef70, 0xcc97d3b7,
0xe9614b6c, 0x2baebff4, 0x70f687cf, 0x386c9156, 0xce092ee5, 0x01e87da6,
0x6ce91e6a, 0xbb7bcc84, 0xc7922c20, 0x9d3b71fd, 0x060e41c6, 0xd7590f15,
0x4e03bb47, 0x183c198e, 0x63eeb240, 0x2ddbf49a, 0x6d5cba54, 0x923750af,
0xf9e14236, 0x7838162b, 0x59726c72, 0x81b66760, 0xbb2926c1, 0x48a0ce0d,
0xa6c0496d, 0xad43507b, 0x718d496a, 0x9df057af, 0x44b1bde6, 0x054356dc,
0xde7ced35, 0xd51a138b, 0x62088cc9, 0x35830311, 0xc96efca2, 0x686f86ec,
0x8e77cb68, 0x63e1d6b8, 0xc80f9778, 0x79c491fd, 0x1b4c67f2, 0x72698d7d, 0x5e368c31, 0xf7d95e2e, 0xa1d3493f,
0xdcd9433e, 0x896f1552, 0x4bc4ca7a, 0xa6d1baf4, 0xa5a96dcc, 0x0bef8b46,
0xa169fda7, 0x74df40b7, 0x4e208804, 0x9a756607, 0x038e87c8, 0x20211e44,
0x8b7ad4bf, 0xc6403f35, 0x1848e36d, 0x80bdb038, 0x1e62891c, 0x643d2107,
0xbf04d6f8, 0x21092c8c, 0xf644f389, 0x0778404e, 0x7b78adb8, 0xa2c52d53,
0x42157abe, 0xa2253e2e, 0x7bf3f4ae, 0x80f594f9, 0x953194e7, 0x77eb92ed,
0xb3816930, 0xda8d9336, 0xbf447469, 0xf26d9483, 0xee6faed5, 0x71371235,
0xde425f73, 0xb4e59f43, 0x7dbe2d4e, 0x2d37b185, 0x49dc9a63, 0x98c39d98,
0x1301c9a2, 0x389b1bbf, 0x0c18588d, 0xa421c1ba, 0x7aa3865c, 0x71e08558,
0x3c5cfcaa, 0x7d239ca4, 0x0297d9dd,
0xd7dc2830, 0x4b37802b, 0x7428ab54, 0xaeee0347, 0x4b3fbb85, 0x692f2f08,
0x134e578e, 0x36d9e0bf, 0xae8b5fcf, 0xedb93ecf, 0x2b27248e, 0x170eb1ef,
0x7dc57fd6, 0x1e760f16, 0xb1136601, 0x864e1b9b, 0xd7ea7319, 0x3ab871bd,
0xcfa4d76f, 0xe31bd782, 0x0dbeb469, 0xabb96061, 0x5370f85d, 0xffb07e37,
0xda30d0fb, 0xebc977b6, 0x0b98b40f, 0x3a4d0fe6, 0xdf4fc26b, 0x159cf22a,
0xc298d6e2, 0x2b78ef6a, 0x61a94ac0, 0xab561187, 0x14eea0f0, 0xdf0d4164,
0x19af70ee }; |