Tags: engineering reverse 

Rating: 3.0

```python,
#!/usr/bin/env python

# extracted from '.data' @ 0x0604088 - 0x0604278
data = [
0x0000000000000069, 0x000000000000006b,
0x0000000000000024, 0x000000000000002d,
0x000000000000003f, 0x0000000000000085,
0x000000000000065c, 0x0000000000001032,
0x0000000000006fd1, 0x000000000007d8dc,
0x0000000000148aae, 0x0000000001709e43,
0x0000000009de8d4d, 0x0000000019d699c3,
0x00000000b119248d, 0x0000000c69e60a04,
0x000000dec113965e, 0x000002472d96a972,
0x000028e0b4bf2bb9, 0x0001182e2989cebd,
0x0002dd8587da6e47, 0x00336a82d89c9330,
0x016069317e428cf6, 0x18b3c1d91e77de9d,
0x3240e2d181223220, 0x2baf6373dbe838b6,
0x073950ec18c5313e, 0x41838009bc58e07c,
0x4fc6cdc83cbb455a, 0x19568517131788a2,
0x030f7bd5f7e4a029, 0x67f7e718178ec0e7,
0x014b63ebbe1f7469, 0x6fd5280bc8cbb8ba,
0x493f53f1269e0b1c, 0x3f94756512a1ef8c,
0x374f52aaa0d0553d, 0x6354887f00940f76,
0x7c63c3b79148c8f9, 0x1a72a23c580389e4,
0x4a1d5e7d8b26e807, 0x68824ddf2c14b0be,
0x0988b22957af8bde, 0x005a365e21fdb4b9,
0x70febf7992c701ec, 0x45e80772963b72e3,
0x5b656a15e45ad6b4, 0x4d858b58f9cec52f,
0x4b85e107e3108430, 0x24c6b1482aff1e90,
0x43a3e729aec76a88, 0x1fc747c217b50012,
0x4af69f78486233fe, 0x1a5964ce9b71f58d,
0x6cb1150f7bf8ab6f, 0x7dfd4f0d1b421262,
0x4d736c985a149eca, 0x762bc1ac0419dd9e,
0x39deb71e84b24129, 0x80072969eea6cc22,
0x5ad24c5e14feb5a9, 0x454e2d665f785a38
]

# https://oeis.org/A190949
# PS: Value && 0xFFFFFFFFFFFFFFFF
key = [
0x0000000000000001, 0x0000000000000002,
0x0000000000000005, 0x000000000000000d,
0x0000000000000059, 0x00000000000000e9,
0x000000000000063d, 0x0000000000001055,
0x0000000000006ff1, 0x000000000007d8b5,
0x0000000000148add, 0x0000000001709e79,
0x0000000009de8d6d, 0x0000000019d699a5,
0x00000000b11924e1, 0x0000000c69e60a65,
0x000000dec1139639, 0x000002472d96a909,
0x000028e0b4bf2bf5, 0x0001182e2989ced1,
0x0002dd8587da6e31, 0x00336a82d89c937d,
0x016069317e428ca9, 0x18b3c1d91e77decd,
0x8879faf5d0623241, 0x12062f76909038c5,
0x57e7d594e6b5314d, 0x892c1e4383f8e019,
0xa5d30982685b4529, 0x9313f148b6ef88fd,
0x7480d1a39bcca01d, 0xdcd8a31e4436c089,
0x9a2c2a21431f742d, 0x3918da3387abb8e5,
0xfe7dafd6e4d60b25, 0x5cc1a32d0a31efed,
0xa7f4e3faaf685549, 0x727664734b240f35,
0x13f21d1aa2d0c891, 0xe71b09b4e09389d5,
0x2bf4919d278ee869, 0x967e9d05ebc4b0d9,
0x35ad0a911eef8b81, 0xe6e35551f445b481,
0x96138adc455f0185, 0x433dab30123b728d,
0x9ad2fde3d41ad6d5, 0x7a25ad60b786c55d,
0x41fdd9bcd5808449, 0x87430ad7517f1ef9,
0x741ec9840b776aed, 0xe82c518bf8e50061,
0x12f07cdeebea33a1, 0xc5c0b8523a89f5b9,
0x088e0374a910ab1d, 0xd43b85e1a8a21251,
0xe3a1666932549e95, 0xdb003c17ef09ddfd,
0xd9f9baad092a4119, 0x4874ccdca55ecc4d,
0x788ee412b5eeb5c5, 0x3f48471ecee85a45
]

print (''.join([chr((c ^ key[i]) & 0xFF) for i, c in enumerate(data)]))
```