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- var f = function (s) {
- var h, l, n, c0, c1, c2, c3, c4, c5, c6, c7, c8, c9,
- b0, b1, b2, b3, b4, b5, b6, b7, b8, b9, b10, b11, b12, b13, b14, b15, b16, b17,
- b18, b19, b20, b21, b22, b23, b24, b25, b26, b27, b28, b29, b30, b31, b32, b33,
- b34, b35, b36, b37, b38, b39, b40, b41, b42, b43, b44, b45, b46, b47, b48, b49;
- for (n = 0; n < 48; n += 2) {
- c0 = s[0] ^ s[10] ^ s[20] ^ s[30] ^ s[40];
- c1 = s[1] ^ s[11] ^ s[21] ^ s[31] ^ s[41];
- c2 = s[2] ^ s[12] ^ s[22] ^ s[32] ^ s[42];
- c3 = s[3] ^ s[13] ^ s[23] ^ s[33] ^ s[43];
- c4 = s[4] ^ s[14] ^ s[24] ^ s[34] ^ s[44];
- c5 = s[5] ^ s[15] ^ s[25] ^ s[35] ^ s[45];
- c6 = s[6] ^ s[16] ^ s[26] ^ s[36] ^ s[46];
- c7 = s[7] ^ s[17] ^ s[27] ^ s[37] ^ s[47];
- c8 = s[8] ^ s[18] ^ s[28] ^ s[38] ^ s[48];
- c9 = s[9] ^ s[19] ^ s[29] ^ s[39] ^ s[49];
- h = c8 ^ ((c2 << 1) | (c3 >>> 31));
- l = c9 ^ ((c3 << 1) | (c2 >>> 31));
- s[0] ^= h;
- s[1] ^= l;
- s[10] ^= h;
- s[11] ^= l;
- s[20] ^= h;
- s[21] ^= l;
- s[30] ^= h;
- s[31] ^= l;
- s[40] ^= h;
- s[41] ^= l;
- h = c0 ^ ((c4 << 1) | (c5 >>> 31));
- l = c1 ^ ((c5 << 1) | (c4 >>> 31));
- s[2] ^= h;
- s[3] ^= l;
- s[12] ^= h;
- s[13] ^= l;
- s[22] ^= h;
- s[23] ^= l;
- s[32] ^= h;
- s[33] ^= l;
- s[42] ^= h;
- s[43] ^= l;
- h = c2 ^ ((c6 << 1) | (c7 >>> 31));
- l = c3 ^ ((c7 << 1) | (c6 >>> 31));
- s[4] ^= h;
- s[5] ^= l;
- s[14] ^= h;
- s[15] ^= l;
- s[24] ^= h;
- s[25] ^= l;
- s[34] ^= h;
- s[35] ^= l;
- s[44] ^= h;
- s[45] ^= l;
- h = c4 ^ ((c8 << 1) | (c9 >>> 31));
- l = c5 ^ ((c9 << 1) | (c8 >>> 31));
- s[6] ^= h;
- s[7] ^= l;
- s[16] ^= h;
- s[17] ^= l;
- s[26] ^= h;
- s[27] ^= l;
- s[36] ^= h;
- s[37] ^= l;
- s[46] ^= h;
- s[47] ^= l;
- h = c6 ^ ((c0 << 1) | (c1 >>> 31));
- l = c7 ^ ((c1 << 1) | (c0 >>> 31));
- s[8] ^= h;
- s[9] ^= l;
- s[18] ^= h;
- s[19] ^= l;
- s[28] ^= h;
- s[29] ^= l;
- s[38] ^= h;
- s[39] ^= l;
- s[48] ^= h;
- s[49] ^= l;
- b0 = s[0];
- b1 = s[1];
- b32 = (s[11] << 4) | (s[10] >>> 28);
- b33 = (s[10] << 4) | (s[11] >>> 28);
- b14 = (s[20] << 3) | (s[21] >>> 29);
- b15 = (s[21] << 3) | (s[20] >>> 29);
- b46 = (s[31] << 9) | (s[30] >>> 23);
- b47 = (s[30] << 9) | (s[31] >>> 23);
- b28 = (s[40] << 18) | (s[41] >>> 14);
- b29 = (s[41] << 18) | (s[40] >>> 14);
- b20 = (s[2] << 1) | (s[3] >>> 31);
- b21 = (s[3] << 1) | (s[2] >>> 31);
- b2 = (s[13] << 12) | (s[12] >>> 20);
- b3 = (s[12] << 12) | (s[13] >>> 20);
- b34 = (s[22] << 10) | (s[23] >>> 22);
- b35 = (s[23] << 10) | (s[22] >>> 22);
- b16 = (s[33] << 13) | (s[32] >>> 19);
- b17 = (s[32] << 13) | (s[33] >>> 19);
- b48 = (s[42] << 2) | (s[43] >>> 30);
- b49 = (s[43] << 2) | (s[42] >>> 30);
- b40 = (s[5] << 30) | (s[4] >>> 2);
- b41 = (s[4] << 30) | (s[5] >>> 2);
- b22 = (s[14] << 6) | (s[15] >>> 26);
- b23 = (s[15] << 6) | (s[14] >>> 26);
- b4 = (s[25] << 11) | (s[24] >>> 21);
- b5 = (s[24] << 11) | (s[25] >>> 21);
- b36 = (s[34] << 15) | (s[35] >>> 17);
- b37 = (s[35] << 15) | (s[34] >>> 17);
- b18 = (s[45] << 29) | (s[44] >>> 3);
- b19 = (s[44] << 29) | (s[45] >>> 3);
- b10 = (s[6] << 28) | (s[7] >>> 4);
- b11 = (s[7] << 28) | (s[6] >>> 4);
- b42 = (s[17] << 23) | (s[16] >>> 9);
- b43 = (s[16] << 23) | (s[17] >>> 9);
- b24 = (s[26] << 25) | (s[27] >>> 7);
- b25 = (s[27] << 25) | (s[26] >>> 7);
- b6 = (s[36] << 21) | (s[37] >>> 11);
- b7 = (s[37] << 21) | (s[36] >>> 11);
- b38 = (s[47] << 24) | (s[46] >>> 8);
- b39 = (s[46] << 24) | (s[47] >>> 8);
- b30 = (s[8] << 27) | (s[9] >>> 5);
- b31 = (s[9] << 27) | (s[8] >>> 5);
- b12 = (s[18] << 20) | (s[19] >>> 12);
- b13 = (s[19] << 20) | (s[18] >>> 12);
- b44 = (s[29] << 7) | (s[28] >>> 25);
- b45 = (s[28] << 7) | (s[29] >>> 25);
- b26 = (s[38] << 8) | (s[39] >>> 24);
- b27 = (s[39] << 8) | (s[38] >>> 24);
- b8 = (s[48] << 14) | (s[49] >>> 18);
- b9 = (s[49] << 14) | (s[48] >>> 18);
- s[0] = b0 ^ (~b2 & b4);
- s[1] = b1 ^ (~b3 & b5);
- s[10] = b10 ^ (~b12 & b14);
- s[11] = b11 ^ (~b13 & b15);
- s[20] = b20 ^ (~b22 & b24);
- s[21] = b21 ^ (~b23 & b25);
- s[30] = b30 ^ (~b32 & b34);
- s[31] = b31 ^ (~b33 & b35);
- s[40] = b40 ^ (~b42 & b44);
- s[41] = b41 ^ (~b43 & b45);
- s[2] = b2 ^ (~b4 & b6);
- s[3] = b3 ^ (~b5 & b7);
- s[12] = b12 ^ (~b14 & b16);
- s[13] = b13 ^ (~b15 & b17);
- s[22] = b22 ^ (~b24 & b26);
- s[23] = b23 ^ (~b25 & b27);
- s[32] = b32 ^ (~b34 & b36);
- s[33] = b33 ^ (~b35 & b37);
- s[42] = b42 ^ (~b44 & b46);
- s[43] = b43 ^ (~b45 & b47);
- s[4] = b4 ^ (~b6 & b8);
- s[5] = b5 ^ (~b7 & b9);
- s[14] = b14 ^ (~b16 & b18);
- s[15] = b15 ^ (~b17 & b19);
- s[24] = b24 ^ (~b26 & b28);
- s[25] = b25 ^ (~b27 & b29);
- s[34] = b34 ^ (~b36 & b38);
- s[35] = b35 ^ (~b37 & b39);
- s[44] = b44 ^ (~b46 & b48);
- s[45] = b45 ^ (~b47 & b49);
- s[6] = b6 ^ (~b8 & b0);
- s[7] = b7 ^ (~b9 & b1);
- s[16] = b16 ^ (~b18 & b10);
- s[17] = b17 ^ (~b19 & b11);
- s[26] = b26 ^ (~b28 & b20);
- s[27] = b27 ^ (~b29 & b21);
- s[36] = b36 ^ (~b38 & b30);
- s[37] = b37 ^ (~b39 & b31);
- s[46] = b46 ^ (~b48 & b40);
- s[47] = b47 ^ (~b49 & b41);
- s[8] = b8 ^ (~b0 & b2);
- s[9] = b9 ^ (~b1 & b3);
- s[18] = b18 ^ (~b10 & b12);
- s[19] = b19 ^ (~b11 & b13);
- s[28] = b28 ^ (~b20 & b22);
- s[29] = b29 ^ (~b21 & b23);
- s[38] = b38 ^ (~b30 & b32);
- s[39] = b39 ^ (~b31 & b33);
- s[48] = b48 ^ (~b40 & b42);
- s[49] = b49 ^ (~b41 & b43);
- s[0] ^= RC[n];
- s[1] ^= RC[n + 1];
- }
- };
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