?? camellia.c
字號:
CamelliaSubkeyL(12),CamelliaSubkeyR(12), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(11),CamelliaSubkeyR(11), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(10),CamelliaSubkeyR(10), io[0],io[1],il,ir,t0,t1); CAMELLIA_FLS(io[0],io[1],io[2],io[3], CamelliaSubkeyL(9),CamelliaSubkeyR(9), CamelliaSubkeyL(8),CamelliaSubkeyR(8), t0,t1,il,ir); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(7),CamelliaSubkeyR(7), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(6),CamelliaSubkeyR(6), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(5),CamelliaSubkeyR(5), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(4),CamelliaSubkeyR(4), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(3),CamelliaSubkeyR(3), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(2),CamelliaSubkeyR(2), io[0],io[1],il,ir,t0,t1); /* post whitening but kw4 */ io[2] ^= CamelliaSubkeyL(0); io[3] ^= CamelliaSubkeyR(0); t0 = io[0]; t1 = io[1]; io[0] = io[2]; io[1] = io[3]; io[2] = t0; io[3] = t1; return;}/** * stuff for 192 and 256bit encryption/decryption */void camellia_encrypt256(const u32 *subkey, u32 *io){ u32 il,ir,t0,t1; /* temporary valiables */ /* pre whitening but absorb kw2*/ io[0] ^= CamelliaSubkeyL(0); io[1] ^= CamelliaSubkeyR(0); /* main iteration */ CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(2),CamelliaSubkeyR(2), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(3),CamelliaSubkeyR(3), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(4),CamelliaSubkeyR(4), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(5),CamelliaSubkeyR(5), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(6),CamelliaSubkeyR(6), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(7),CamelliaSubkeyR(7), io[0],io[1],il,ir,t0,t1); CAMELLIA_FLS(io[0],io[1],io[2],io[3], CamelliaSubkeyL(8),CamelliaSubkeyR(8), CamelliaSubkeyL(9),CamelliaSubkeyR(9), t0,t1,il,ir); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(10),CamelliaSubkeyR(10), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(11),CamelliaSubkeyR(11), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(12),CamelliaSubkeyR(12), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(13),CamelliaSubkeyR(13), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(14),CamelliaSubkeyR(14), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(15),CamelliaSubkeyR(15), io[0],io[1],il,ir,t0,t1); CAMELLIA_FLS(io[0],io[1],io[2],io[3], CamelliaSubkeyL(16),CamelliaSubkeyR(16), CamelliaSubkeyL(17),CamelliaSubkeyR(17), t0,t1,il,ir); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(18),CamelliaSubkeyR(18), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(19),CamelliaSubkeyR(19), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(20),CamelliaSubkeyR(20), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(21),CamelliaSubkeyR(21), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(22),CamelliaSubkeyR(22), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(23),CamelliaSubkeyR(23), io[0],io[1],il,ir,t0,t1); CAMELLIA_FLS(io[0],io[1],io[2],io[3], CamelliaSubkeyL(24),CamelliaSubkeyR(24), CamelliaSubkeyL(25),CamelliaSubkeyR(25), t0,t1,il,ir); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(26),CamelliaSubkeyR(26), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(27),CamelliaSubkeyR(27), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(28),CamelliaSubkeyR(28), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(29),CamelliaSubkeyR(29), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(30),CamelliaSubkeyR(30), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(31),CamelliaSubkeyR(31), io[0],io[1],il,ir,t0,t1); /* post whitening but kw4 */ io[2] ^= CamelliaSubkeyL(32); io[3] ^= CamelliaSubkeyR(32); t0 = io[0]; t1 = io[1]; io[0] = io[2]; io[1] = io[3]; io[2] = t0; io[3] = t1; return;}void camellia_decrypt256(const u32 *subkey, u32 *io){ u32 il,ir,t0,t1; /* temporary valiables */ /* pre whitening but absorb kw2*/ io[0] ^= CamelliaSubkeyL(32); io[1] ^= CamelliaSubkeyR(32); /* main iteration */ CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(31),CamelliaSubkeyR(31), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(30),CamelliaSubkeyR(30), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(29),CamelliaSubkeyR(29), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(28),CamelliaSubkeyR(28), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(27),CamelliaSubkeyR(27), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(26),CamelliaSubkeyR(26), io[0],io[1],il,ir,t0,t1); CAMELLIA_FLS(io[0],io[1],io[2],io[3], CamelliaSubkeyL(25),CamelliaSubkeyR(25), CamelliaSubkeyL(24),CamelliaSubkeyR(24), t0,t1,il,ir); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(23),CamelliaSubkeyR(23), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(22),CamelliaSubkeyR(22), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(21),CamelliaSubkeyR(21), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(20),CamelliaSubkeyR(20), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(19),CamelliaSubkeyR(19), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(18),CamelliaSubkeyR(18), io[0],io[1],il,ir,t0,t1); CAMELLIA_FLS(io[0],io[1],io[2],io[3], CamelliaSubkeyL(17),CamelliaSubkeyR(17), CamelliaSubkeyL(16),CamelliaSubkeyR(16), t0,t1,il,ir); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(15),CamelliaSubkeyR(15), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(14),CamelliaSubkeyR(14), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(13),CamelliaSubkeyR(13), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(12),CamelliaSubkeyR(12), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(11),CamelliaSubkeyR(11), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(10),CamelliaSubkeyR(10), io[0],io[1],il,ir,t0,t1); CAMELLIA_FLS(io[0],io[1],io[2],io[3], CamelliaSubkeyL(9),CamelliaSubkeyR(9), CamelliaSubkeyL(8),CamelliaSubkeyR(8), t0,t1,il,ir); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(7),CamelliaSubkeyR(7), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(6),CamelliaSubkeyR(6), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(5),CamelliaSubkeyR(5), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(4),CamelliaSubkeyR(4), io[0],io[1],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[0],io[1], CamelliaSubkeyL(3),CamelliaSubkeyR(3), io[2],io[3],il,ir,t0,t1); CAMELLIA_ROUNDSM(io[2],io[3], CamelliaSubkeyL(2),CamelliaSubkeyR(2), io[0],io[1],il,ir,t0,t1); /* post whitening but kw4 */ io[2] ^= CamelliaSubkeyL(0); io[3] ^= CamelliaSubkeyR(0); t0 = io[0]; t1 = io[1]; io[0] = io[2]; io[1] = io[3]; io[2] = t0; io[3] = t1; return;}/*** * * API for compatibility */void Camellia_Ekeygen(const int keyBitLength, const unsigned char *rawKey, KEY_TABLE_TYPE keyTable){ switch(keyBitLength) { case 128: camellia_setup128(rawKey, keyTable); break; case 192: camellia_setup192(rawKey, keyTable); break; case 256: camellia_setup256(rawKey, keyTable); break; default: break; }}void Camellia_EncryptBlock(const int keyBitLength, const unsigned char *plaintext, const KEY_TABLE_TYPE keyTable, unsigned char *ciphertext){ u32 tmp[4]; tmp[0] = GETU32(plaintext); tmp[1] = GETU32(plaintext + 4); tmp[2] = GETU32(plaintext + 8); tmp[3] = GETU32(plaintext + 12); switch (keyBitLength) { case 128: camellia_encrypt128(keyTable, tmp); break; case 192: /* fall through */ case 256: camellia_encrypt256(keyTable, tmp); break; default: break; } PUTU32(ciphertext, tmp[0]); PUTU32(ciphertext + 4, tmp[1]); PUTU32(ciphertext + 8, tmp[2]); PUTU32(ciphertext + 12, tmp[3]);}void Camellia_DecryptBlock(const int keyBitLength, const unsigned char *ciphertext, const KEY_TABLE_TYPE keyTable, unsigned char *plaintext){ u32 tmp[4]; tmp[0] = GETU32(ciphertext); tmp[1] = GETU32(ciphertext + 4); tmp[2] = GETU32(ciphertext + 8); tmp[3] = GETU32(ciphertext + 12); switch (keyBitLength) { case 128: camellia_decrypt128(keyTable, tmp); break; case 192: /* fall through */ case 256: camellia_decrypt256(keyTable, tmp); break; default: break; } PUTU32(plaintext, tmp[0]); PUTU32(plaintext + 4, tmp[1]); PUTU32(plaintext + 8, tmp[2]); PUTU32(plaintext + 12, tmp[3]);}?? 快捷鍵說明
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