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#[rustfmt::skip]
static CRC_LOOKUP_ARRAY: [u32; 256] = [
	0x0000_0000, 0x04C1_1DB7, 0x0982_3B6E, 0x0D43_26D9,
	0x1304_76DC, 0x17C5_6B6B, 0x1A86_4DB2, 0x1E47_5005,
	0x2608_EDB8, 0x22C9_F00F, 0x2F8A_D6D6, 0x2B4B_CB61,
	0x350C_9B64, 0x31CD_86D3, 0x3C8E_A00A, 0x384F_BDBD,
	0x4C11_DB70, 0x48D0_C6C7, 0x4593_E01E, 0x4152_FDA9,
	0x5F15_ADAC, 0x5BD4_B01B, 0x5697_96C2, 0x5256_8B75,
	0x6A19_36C8, 0x6ED8_2B7F, 0x639B_0DA6, 0x675A_1011,
	0x791D_4014, 0x7DDC_5DA3, 0x709F_7B7A, 0x745E_66CD,
	0x9823_B6E0, 0x9CE2_AB57, 0x91A1_8D8E, 0x9560_9039,
	0x8B27_C03C, 0x8FE6_DD8B, 0x82A5_FB52, 0x8664_E6E5,
	0xBE2B_5B58, 0xBAEA_46EF, 0xB7A9_6036, 0xB368_7D81,
	0xAD2F_2D84, 0xA9EE_3033, 0xA4AD_16EA, 0xA06C_0B5D,
	0xD432_6D90, 0xD0F3_7027, 0xDDB0_56FE, 0xD971_4B49,
	0xC736_1B4C, 0xC3F7_06FB, 0xCEB4_2022, 0xCA75_3D95,
	0xF23A_8028, 0xF6FB_9D9F, 0xFBB8_BB46, 0xFF79_A6F1,
	0xE13E_F6F4, 0xE5FF_EB43, 0xE8BC_CD9A, 0xEC7D_D02D,
	0x3486_7077, 0x3047_6DC0, 0x3D04_4B19, 0x39C5_56AE,
	0x2782_06AB, 0x2343_1B1C, 0x2E00_3DC5, 0x2AC1_2072,
	0x128E_9DCF, 0x164F_8078, 0x1B0C_A6A1, 0x1FCD_BB16,
	0x018A_EB13, 0x054B_F6A4, 0x0808_D07D, 0x0CC9_CDCA,
	0x7897_AB07, 0x7C56_B6B0, 0x7115_9069, 0x75D4_8DDE,
	0x6B93_DDDB, 0x6F52_C06C, 0x6211_E6B5, 0x66D0_FB02,
	0x5E9F_46BF, 0x5A5E_5B08, 0x571D_7DD1, 0x53DC_6066,
	0x4D9B_3063, 0x495A_2DD4, 0x4419_0B0D, 0x40D8_16BA,
	0xACA5_C697, 0xA864_DB20, 0xA527_FDF9, 0xA1E6_E04E,
	0xBFA1_B04B, 0xBB60_ADFC, 0xB623_8B25, 0xB2E2_9692,
	0x8AAD_2B2F, 0x8E6C_3698, 0x832F_1041, 0x87EE_0DF6,
	0x99A9_5DF3, 0x9D68_4044, 0x902B_669D, 0x94EA_7B2A,
	0xE0B4_1DE7, 0xE475_0050, 0xE936_2689, 0xEDF7_3B3E,
	0xF3B0_6B3B, 0xF771_768C, 0xFA32_5055, 0xFEF3_4DE2,
	0xC6BC_F05F, 0xC27D_EDE8, 0xCF3E_CB31, 0xCBFF_D686,
	0xD5B8_8683, 0xD179_9B34, 0xDC3A_BDED, 0xD8FB_A05A,
	0x690C_E0EE, 0x6DCD_FD59, 0x608E_DB80, 0x644F_C637,
	0x7A08_9632, 0x7EC9_8B85, 0x738A_AD5C, 0x774B_B0EB,
	0x4F04_0D56, 0x4BC5_10E1, 0x4686_3638, 0x4247_2B8F,
	0x5C00_7B8A, 0x58C1_663D, 0x5582_40E4, 0x5143_5D53,
	0x251D_3B9E, 0x21DC_2629, 0x2C9F_00F0, 0x285E_1D47,
	0x3619_4D42, 0x32D8_50F5, 0x3F9B_762C, 0x3B5A_6B9B,
	0x0315_D626, 0x07D4_CB91, 0x0A97_ED48, 0x0E56_F0FF,
	0x1011_A0FA, 0x14D0_BD4D, 0x1993_9B94, 0x1D52_8623,
	0xF12F_560E, 0xF5EE_4BB9, 0xF8AD_6D60, 0xFC6C_70D7,
	0xE22B_20D2, 0xE6EA_3D65, 0xEBA9_1BBC, 0xEF68_060B,
	0xD727_BBB6, 0xD3E6_A601, 0xDEA5_80D8, 0xDA64_9D6F,
	0xC423_CD6A, 0xC0E2_D0DD, 0xCDA1_F604, 0xC960_EBB3,
	0xBD3E_8D7E, 0xB9FF_90C9, 0xB4BC_B610, 0xB07D_ABA7,
	0xAE3A_FBA2, 0xAAFB_E615, 0xA7B8_C0CC, 0xA379_DD7B,
	0x9B36_60C6, 0x9FF7_7D71, 0x92B4_5BA8, 0x9675_461F,
	0x8832_161A, 0x8CF3_0BAD, 0x81B0_2D74, 0x8571_30C3,
	0x5D8A_9099, 0x594B_8D2E, 0x5408_ABF7, 0x50C9_B640,
	0x4E8E_E645, 0x4A4F_FBF2, 0x470C_DD2B, 0x43CD_C09C,
	0x7B82_7D21, 0x7F43_6096, 0x7200_464F, 0x76C1_5BF8,
	0x6886_0BFD, 0x6C47_164A, 0x6104_3093, 0x65C5_2D24,
	0x119B_4BE9, 0x155A_565E, 0x1819_7087, 0x1CD8_6D30,
	0x029F_3D35, 0x065E_2082, 0x0B1D_065B, 0x0FDC_1BEC,
	0x3793_A651, 0x3352_BBE6, 0x3E11_9D3F, 0x3AD0_8088,
	0x2497_D08D, 0x2056_CD3A, 0x2D15_EBE3, 0x29D4_F654,
	0xC5A9_2679, 0xC168_3BCE, 0xCC2B_1D17, 0xC8EA_00A0,
	0xD6AD_50A5, 0xD26C_4D12, 0xDF2F_6BCB, 0xDBEE_767C,
	0xE3A1_CBC1, 0xE760_D676, 0xEA23_F0AF, 0xEEE2_ED18,
	0xF0A5_BD1D, 0xF464_A0AA, 0xF927_8673, 0xFDE6_9BC4,
	0x89B8_FD09, 0x8D79_E0BE, 0x803A_C667, 0x84FB_DBD0,
	0x9ABC_8BD5, 0x9E7D_9662, 0x933E_B0BB, 0x97FF_AD0C,
	0xAFB0_10B1, 0xAB71_0D06, 0xA632_2BDF, 0xA2F3_3668,
	0xBCB4_666D, 0xB875_7BDA, 0xB536_5D03, 0xB1F7_40B4,
];

/// Generates a CRC checksum based on the content
#[must_use]
pub fn crc32(page: &[u8]) -> u32 {
	let mut crc: u32 = 0;

	for p in page {
		crc = (crc << 8) ^ CRC_LOOKUP_ARRAY[(u32::from(*p) ^ (crc >> 24)) as usize];
	}

	crc
}