Merge branch 'feature-25614187-generate_crcs'

rybit · Apr 11, 2012 · f4c6cea · f4c6cea
2 parents b144880 + 8e447ee
commit f4c6cea
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diff --git a/src/main/java/edu/cmu/sv/arinc838/crc/Crc16Generator.java b/src/main/java/edu/cmu/sv/arinc838/crc/Crc16Generator.java
@@ -0,0 +1,23 @@
+package edu.cmu.sv.arinc838.crc;
+
+public class Crc16Generator {
+
+	public static int calculateCrc(byte[] bytes) {
+		int crc = 0xFFFF; // initial value
+		int polynomial = 0x1021; // 0001 0000 0010 0001 (0, 5, 12)
+
+		for (byte b : bytes) {
+			for (int i = 0; i < 8; i++) {
+				boolean bit = ((b >> (7 - i) & 1) == 1);
+				boolean c15 = ((crc >> 15 & 1) == 1);
+				crc <<= 1;
+				if (c15 ^ bit)
+					crc ^= polynomial;
+			}
+		}
+
+		crc &= 0xffff;
+		return crc;
+	}
+
+}
diff --git a/src/main/java/edu/cmu/sv/arinc838/crc/Crc32Generator.java b/src/main/java/edu/cmu/sv/arinc838/crc/Crc32Generator.java
@@ -0,0 +1,89 @@
+package edu.cmu.sv.arinc838.crc;
+
+public class Crc32Generator {
+
+	static int[] table = {
+		0x00000000, 0x04C11DB7, 0x09823B6E, 0x0D4326D9, 0x130476DC,
+		0x17C56B6B, 0x1A864DB2, 0x1E475005, 0x2608EDB8, 0x22C9F00F,
+		0x2F8AD6D6, 0x2B4BCB61, 0x350C9B64, 0x31CD86D3, 0x3C8EA00A,
+		0x384FBDBD, 0x4C11DB70, 0x48D0C6C7, 0x4593E01E, 0x4152FDA9,
+		0x5F15ADAC, 0x5BD4B01B, 0x569796C2, 0x52568B75, 0x6A1936C8,
+		0x6ED82B7F, 0x639B0DA6, 0x675A1011, 0x791D4014, 0x7DDC5DA3,
+		0x709F7B7A, 0x745E66CD, 0x9823B6E0, 0x9CE2AB57, 0x91A18D8E,
+		0x95609039, 0x8B27C03C, 0x8FE6DD8B, 0x82A5FB52, 0x8664E6E5,
+		0xBE2B5B58, 0xBAEA46EF, 0xB7A96036, 0xB3687D81, 0xAD2F2D84,
+		0xA9EE3033, 0xA4AD16EA, 0xA06C0B5D, 0xD4326D90, 0xD0F37027,
+		0xDDB056FE, 0xD9714B49, 0xC7361B4C, 0xC3F706FB, 0xCEB42022,
+		0xCA753D95, 0xF23A8028, 0xF6FB9D9F, 0xFBB8BB46, 0xFF79A6F1,
+		0xE13EF6F4, 0xE5FFEB43, 0xE8BCCD9A, 0xEC7DD02D, 0x34867077,
+		0x30476DC0, 0x3D044B19, 0x39C556AE, 0x278206AB, 0x23431B1C,
+		0x2E003DC5, 0x2AC12072, 0x128E9DCF, 0x164F8078, 0x1B0CA6A1,
+		0x1FCDBB16, 0x018AEB13, 0x054BF6A4, 0x0808D07D, 0x0CC9CDCA,
+		0x7897AB07, 0x7C56B6B0, 0x71159069, 0x75D48DDE, 0x6B93DDDB,
+		0x6F52C06C, 0x6211E6B5, 0x66D0FB02, 0x5E9F46BF, 0x5A5E5B08,
+		0x571D7DD1, 0x53DC6066, 0x4D9B3063, 0x495A2DD4, 0x44190B0D,
+		0x40D816BA, 0xACA5C697, 0xA864DB20, 0xA527FDF9, 0xA1E6E04E,
+		0xBFA1B04B, 0xBB60ADFC, 0xB6238B25, 0xB2E29692, 0x8AAD2B2F,
+		0x8E6C3698, 0x832F1041, 0x87EE0DF6, 0x99A95DF3, 0x9D684044,
+		0x902B669D, 0x94EA7B2A, 0xE0B41DE7, 0xE4750050, 0xE9362689,
+		0xEDF73B3E, 0xF3B06B3B, 0xF771768C, 0xFA325055, 0xFEF34DE2,
+		0xC6BCF05F, 0xC27DEDE8, 0xCF3ECB31, 0xCBFFD686, 0xD5B88683,
+		0xD1799B34, 0xDC3ABDED, 0xD8FBA05A, 0x690CE0EE, 0x6DCDFD59,
+		0x608EDB80, 0x644FC637, 0x7A089632, 0x7EC98B85, 0x738AAD5C,
+		0x774BB0EB, 0x4F040D56, 0x4BC510E1, 0x46863638, 0x42472B8F,
+		0x5C007B8A, 0x58C1663D, 0x558240E4, 0x51435D53, 0x251D3B9E,
+		0x21DC2629, 0x2C9F00F0, 0x285E1D47, 0x36194D42, 0x32D850F5,
+		0x3F9B762C, 0x3B5A6B9B, 0x0315D626, 0x07D4CB91, 0x0A97ED48,
+		0x0E56F0FF, 0x1011A0FA, 0x14D0BD4D, 0x19939B94, 0x1D528623,
+		0xF12F560E, 0xF5EE4BB9, 0xF8AD6D60, 0xFC6C70D7, 0xE22B20D2,
+		0xE6EA3D65, 0xEBA91BBC, 0xEF68060B, 0xD727BBB6, 0xD3E6A601,
+		0xDEA580D8, 0xDA649D6F, 0xC423CD6A, 0xC0E2D0DD, 0xCDA1F604,
+		0xC960EBB3, 0xBD3E8D7E, 0xB9FF90C9, 0xB4BCB610, 0xB07DABA7,
+		0xAE3AFBA2, 0xAAFBE615, 0xA7B8C0CC, 0xA379DD7B, 0x9B3660C6,
+		0x9FF77D71, 0x92B45BA8, 0x9675461F, 0x8832161A, 0x8CF30BAD,
+		0x81B02D74, 0x857130C3, 0x5D8A9099, 0x594B8D2E, 0x5408ABF7,
+		0x50C9B640, 0x4E8EE645, 0x4A4FFBF2, 0x470CDD2B, 0x43CDC09C,
+		0x7B827D21, 0x7F436096, 0x7200464F, 0x76C15BF8, 0x68860BFD,
+		0x6C47164A, 0x61043093, 0x65C52D24, 0x119B4BE9, 0x155A565E,
+		0x18197087, 0x1CD86D30, 0x029F3D35, 0x065E2082, 0x0B1D065B,
+		0x0FDC1BEC, 0x3793A651, 0x3352BBE6, 0x3E119D3F, 0x3AD08088,
+		0x2497D08D, 0x2056CD3A, 0x2D15EBE3, 0x29D4F654, 0xC5A92679,
+		0xC1683BCE, 0xCC2B1D17, 0xC8EA00A0, 0xD6AD50A5, 0xD26C4D12,
+		0xDF2F6BCB, 0xDBEE767C, 0xE3A1CBC1, 0xE760D676, 0xEA23F0AF,
+		0xEEE2ED18, 0xF0A5BD1D, 0xF464A0AA, 0xF9278673, 0xFDE69BC4,
+		0x89B8FD09, 0x8D79E0BE, 0x803AC667, 0x84FBDBD0, 0x9ABC8BD5,
+		0x9E7D9662, 0x933EB0BB, 0x97FFAD0C, 0xAFB010B1, 0xAB710D06,
+		0xA6322BDF, 0xA2F33668, 0xBCB4666D, 0xB8757BDA, 0xB5365D03,
+		0xB1F740B4 };
+
+	// Generates CRC lookup table above. Ported from C code in spec.
+//	static {
+//		long generator = 0x04C11DB7;
+//		for(int i=0; i < 256; i++) {
+//			int shift_reg = i << 24;
+//			for(int k=7; k>=0; k--) {
+//				long leading_bit = shift_reg & 0x80000000;
+//				shift_reg <<= 1;
+//				if (leading_bit != 0) {
+//				    shift_reg ^= generator;
+//				}
+//			}
+//			table[i] = shift_reg;
+//		}
+//	}
+
+
+	public static long calculateCrc(byte[] bytes) {
+		int crc = 0xffffffff; 
+		int k;
+		for (byte b : bytes) {
+			k = ((crc >>> 24) ^ b) & 0xff;
+			crc = (crc << 8) ^ table[k];
+		}
+
+		crc ^= 0xFFFFFFFF;
+		long result = 0x00000000FFFFFFFFl & crc;
+		return result;
+	}
+
+}
diff --git a/src/main/java/edu/cmu/sv/arinc838/crc/Crc64Generator.java b/src/main/java/edu/cmu/sv/arinc838/crc/Crc64Generator.java
@@ -0,0 +1,195 @@
+package edu.cmu.sv.arinc838.crc;
+
+public class Crc64Generator {
+
+
+
+	static int[] tableHigh = { 0x00000000, 0x42F0E1EB, 0x85E1C3D7,
+			0xC711223C, 0x49336645, 0x0BC387AE, 0xCCD2A592, 0x8E224479,
+			0x9266CC8A, 0xD0962D61, 0x17870F5D, 0x5577EEB6, 0xDB55AACF,
+			0x99A54B24, 0x5EB46918, 0x1C4488F3, 0x663D78FF, 0x24CD9914,
+			0xE3DCBB28, 0xA12C5AC3, 0x2F0E1EBA, 0x6DFEFF51, 0xAAEFDD6D,
+			0xE81F3C86, 0xF45BB475, 0xB6AB559E, 0x71BA77A2, 0x334A9649,
+			0xBD68D230, 0xFF9833DB, 0x388911E7, 0x7A79F00C, 0xCC7AF1FF,
+			0x8E8A1014, 0x499B3228, 0x0B6BD3C3, 0x854997BA, 0xC7B97651,
+			0x00A8546D, 0x4258B586, 0x5E1C3D75, 0x1CECDC9E, 0xDBFDFEA2,
+			0x990D1F49, 0x172F5B30, 0x55DFBADB, 0x92CE98E7, 0xD03E790C,
+			0xAA478900, 0xE8B768EB, 0x2FA64AD7, 0x6D56AB3C, 0xE374EF45,
+			0xA1840EAE, 0x66952C92, 0x2465CD79, 0x3821458A, 0x7AD1A461,
+			0xBDC0865D, 0xFF3067B6, 0x711223CF, 0x33E2C224, 0xF4F3E018,
+			0xB60301F3, 0xDA050215, 0x98F5E3FE, 0x5FE4C1C2, 0x1D142029,
+			0x93366450, 0xD1C685BB, 0x16D7A787, 0x5427466C, 0x4863CE9F,
+			0x0A932F74, 0xCD820D48, 0x8F72ECA3, 0x0150A8DA, 0x43A04931,
+			0x84B16B0D, 0xC6418AE6, 0xBC387AEA, 0xFEC89B01, 0x39D9B93D,
+			0x7B2958D6, 0xF50B1CAF, 0xB7FBFD44, 0x70EADF78, 0x321A3E93,
+			0x2E5EB660, 0x6CAE578B, 0xABBF75B7, 0xE94F945C, 0x676DD025,
+			0x259D31CE, 0xE28C13F2, 0xA07CF219, 0x167FF3EA, 0x548F1201,
+			0x939E303D, 0xD16ED1D6, 0x5F4C95AF, 0x1DBC7444, 0xDAAD5678,
+			0x985DB793, 0x84193F60, 0xC6E9DE8B, 0x01F8FCB7, 0x43081D5C,
+			0xCD2A5925, 0x8FDAB8CE, 0x48CB9AF2, 0x0A3B7B19, 0x70428B15,
+			0x32B26AFE, 0xF5A348C2, 0xB753A929, 0x3971ED50, 0x7B810CBB,
+			0xBC902E87, 0xFE60CF6C, 0xE224479F, 0xA0D4A674, 0x67C58448,
+			0x253565A3, 0xAB1721DA, 0xE9E7C031, 0x2EF6E20D, 0x6C0603E6,
+			0xF6FAE5C0, 0xB40A042B, 0x731B2617, 0x31EBC7FC, 0xBFC98385,
+			0xFD39626E, 0x3A284052, 0x78D8A1B9, 0x649C294A, 0x266CC8A1,
+			0xE17DEA9D, 0xA38D0B76, 0x2DAF4F0F, 0x6F5FAEE4, 0xA84E8CD8,
+			0xEABE6D33, 0x90C79D3F, 0xD2377CD4, 0x15265EE8, 0x57D6BF03,
+			0xD9F4FB7A, 0x9B041A91, 0x5C1538AD, 0x1EE5D946, 0x02A151B5,
+			0x4051B05E, 0x87409262, 0xC5B07389, 0x4B9237F0, 0x0962D61B,
+			0xCE73F427, 0x8C8315CC, 0x3A80143F, 0x7870F5D4, 0xBF61D7E8,
+			0xFD913603, 0x73B3727A, 0x31439391, 0xF652B1AD, 0xB4A25046,
+			0xA8E6D8B5, 0xEA16395E, 0x2D071B62, 0x6FF7FA89, 0xE1D5BEF0,
+			0xA3255F1B, 0x64347D27, 0x26C49CCC, 0x5CBD6CC0, 0x1E4D8D2B,
+			0xD95CAF17, 0x9BAC4EFC, 0x158E0A85, 0x577EEB6E, 0x906FC952,
+			0xD29F28B9, 0xCEDBA04A, 0x8C2B41A1, 0x4B3A639D, 0x09CA8276,
+			0x87E8C60F, 0xC51827E4, 0x020905D8, 0x40F9E433, 0x2CFFE7D5,
+			0x6E0F063E, 0xA91E2402, 0xEBEEC5E9, 0x65CC8190, 0x273C607B,
+			0xE02D4247, 0xA2DDA3AC, 0xBE992B5F, 0xFC69CAB4, 0x3B78E888,
+			0x79880963, 0xF7AA4D1A, 0xB55AACF1, 0x724B8ECD, 0x30BB6F26,
+			0x4AC29F2A, 0x08327EC1, 0xCF235CFD, 0x8DD3BD16, 0x03F1F96F,
+			0x41011884, 0x86103AB8, 0xC4E0DB53, 0xD8A453A0, 0x9A54B24B,
+			0x5D459077, 0x1FB5719C, 0x919735E5, 0xD367D40E, 0x1476F632,
+			0x568617D9, 0xE085162A, 0xA275F7C1, 0x6564D5FD, 0x27943416,
+			0xA9B6706F, 0xEB469184, 0x2C57B3B8, 0x6EA75253, 0x72E3DAA0,
+			0x30133B4B, 0xF7021977, 0xB5F2F89C, 0x3BD0BCE5, 0x79205D0E,
+			0xBE317F32, 0xFCC19ED9, 0x86B86ED5, 0xC4488F3E, 0x0359AD02,
+			0x41A94CE9, 0xCF8B0890, 0x8D7BE97B, 0x4A6ACB47, 0x089A2AAC,
+			0x14DEA25F, 0x562E43B4, 0x913F6188, 0xD3CF8063, 0x5DEDC41A,
+			0x1F1D25F1, 0xD80C07CD, 0x9AFCE626 };
+
+	public static int[] tableLow = { 0x00000000, 0xA9EA3693, 0x53D46D26,
+			0xFA3E5BB5, 0x0E42ECDF, 0xA7A8DA4C, 0x5D9681F9, 0xF47CB76A,
+			0x1C85D9BE, 0xB56FEF2D, 0x4F51B498, 0xE6BB820B, 0x12C73561,
+			0xBB2D03F2, 0x41135847, 0xE8F96ED4, 0x90E185EF, 0x390BB37C,
+			0xC335E8C9, 0x6ADFDE5A, 0x9EA36930, 0x37495FA3, 0xCD770416,
+			0x649D3285, 0x8C645C51, 0x258E6AC2, 0xDFB03177, 0x765A07E4,
+			0x8226B08E, 0x2BCC861D, 0xD1F2DDA8, 0x7818EB3B, 0x21C30BDE,
+			0x88293D4D, 0x721766F8, 0xDBFD506B, 0x2F81E701, 0x866BD192,
+			0x7C558A27, 0xD5BFBCB4, 0x3D46D260, 0x94ACE4F3, 0x6E92BF46,
+			0xC77889D5, 0x33043EBF, 0x9AEE082C, 0x60D05399, 0xC93A650A,
+			0xB1228E31, 0x18C8B8A2, 0xE2F6E317, 0x4B1CD584, 0xBF6062EE,
+			0x168A547D, 0xECB40FC8, 0x455E395B, 0xADA7578F, 0x044D611C,
+			0xFE733AA9, 0x57990C3A, 0xA3E5BB50, 0x0A0F8DC3, 0xF031D676,
+			0x59DBE0E5, 0xEA6C212F, 0x438617BC, 0xB9B84C09, 0x10527A9A,
+			0xE42ECDF0, 0x4DC4FB63, 0xB7FAA0D6, 0x1E109645, 0xF6E9F891,
+			0x5F03CE02, 0xA53D95B7, 0x0CD7A324, 0xF8AB144E, 0x514122DD,
+			0xAB7F7968, 0x02954FFB, 0x7A8DA4C0, 0xD3679253, 0x2959C9E6,
+			0x80B3FF75, 0x74CF481F, 0xDD257E8C, 0x271B2539, 0x8EF113AA,
+			0x66087D7E, 0xCFE24BED, 0x35DC1058, 0x9C3626CB, 0x684A91A1,
+			0xC1A0A732, 0x3B9EFC87, 0x9274CA14, 0xCBAF2AF1, 0x62451C62,
+			0x987B47D7, 0x31917144, 0xC5EDC62E, 0x6C07F0BD, 0x9639AB08,
+			0x3FD39D9B, 0xD72AF34F, 0x7EC0C5DC, 0x84FE9E69, 0x2D14A8FA,
+			0xD9681F90, 0x70822903, 0x8ABC72B6, 0x23564425, 0x5B4EAF1E,
+			0xF2A4998D, 0x089AC238, 0xA170F4AB, 0x550C43C1, 0xFCE67552,
+			0x06D82EE7, 0xAF321874, 0x47CB76A0, 0xEE214033, 0x141F1B86,
+			0xBDF52D15, 0x49899A7F, 0xE063ACEC, 0x1A5DF759, 0xB3B7C1CA,
+			0x7D3274CD, 0xD4D8425E, 0x2EE619EB, 0x870C2F78, 0x73709812,
+			0xDA9AAE81, 0x20A4F534, 0x894EC3A7, 0x61B7AD73, 0xC85D9BE0,
+			0x3263C055, 0x9B89F6C6, 0x6FF541AC, 0xC61F773F, 0x3C212C8A,
+			0x95CB1A19, 0xEDD3F122, 0x4439C7B1, 0xBE079C04, 0x17EDAA97,
+			0xE3911DFD, 0x4A7B2B6E, 0xB04570DB, 0x19AF4648, 0xF156289C,
+			0x58BC1E0F, 0xA28245BA, 0x0B687329, 0xFF14C443, 0x56FEF2D0,
+			0xACC0A965, 0x052A9FF6, 0x5CF17F13, 0xF51B4980, 0x0F251235,
+			0xA6CF24A6, 0x52B393CC, 0xFB59A55F, 0x0167FEEA, 0xA88DC879,
+			0x4074A6AD, 0xE99E903E, 0x13A0CB8B, 0xBA4AFD18, 0x4E364A72,
+			0xE7DC7CE1, 0x1DE22754, 0xB40811C7, 0xCC10FAFC, 0x65FACC6F,
+			0x9FC497DA, 0x362EA149, 0xC2521623, 0x6BB820B0, 0x91867B05,
+			0x386C4D96, 0xD0952342, 0x797F15D1, 0x83414E64, 0x2AAB78F7,
+			0xDED7CF9D, 0x773DF90E, 0x8D03A2BB, 0x24E99428, 0x975E55E2,
+			0x3EB46371, 0xC48A38C4, 0x6D600E57, 0x991CB93D, 0x30F68FAE,
+			0xCAC8D41B, 0x6322E288, 0x8BDB8C5C, 0x2231BACF, 0xD80FE17A,
+			0x71E5D7E9, 0x85996083, 0x2C735610, 0xD64D0DA5, 0x7FA73B36,
+			0x07BFD00D, 0xAE55E69E, 0x546BBD2B, 0xFD818BB8, 0x09FD3CD2,
+			0xA0170A41, 0x5A2951F4, 0xF3C36767, 0x1B3A09B3, 0xB2D03F20,
+			0x48EE6495, 0xE1045206, 0x1578E56C, 0xBC92D3FF, 0x46AC884A,
+			0xEF46BED9, 0xB69D5E3C, 0x1F7768AF, 0xE549331A, 0x4CA30589,
+			0xB8DFB2E3, 0x11358470, 0xEB0BDFC5, 0x42E1E956, 0xAA188782,
+			0x03F2B111, 0xF9CCEAA4, 0x5026DC37, 0xA45A6B5D, 0x0DB05DCE,
+			0xF78E067B, 0x5E6430E8, 0x267CDBD3, 0x8F96ED40, 0x75A8B6F5,
+			0xDC428066, 0x283E370C, 0x81D4019F, 0x7BEA5A2A, 0xD2006CB9,
+			0x3AF9026D, 0x931334FE, 0x692D6F4B, 0xC0C759D8, 0x34BBEEB2,
+			0x9D51D821, 0x676F8394, 0xCE85B507 };
+
+	public static long calculateCrc(byte[] buffer) {
+		long low = 0xFFFFFFFFl, high = 0xFFFFFFFFl;
+		int index; // Index into table
+		long tempLow; // A working temporary
+		long tempHigh; // A working temporary
+
+		// Loop for each byte in buffer
+		for (int i = 0; i < buffer.length; i++) {
+			// Compute the table index for this byte
+			index = (int) (((high >> 24) ^ (int) buffer[i]) & 0xFF);
+			// Update the running crc
+
+			tempHigh = ((high << 8) | ((low >> 24) & 0x000000FFl)) & 0xFFFFFFFFl;
+			tempLow = (low << 8) & 0xFFFFFFFFl;
+
+			high = (tempHigh ^ tableHigh[index]) & 0xFFFFFFFFl;
+			low = (tempLow ^ tableLow[index]) & 0xFFFFFFFFl;
+		}
+
+		high ^= 0xFFFFFFFFl;
+		low ^= 0xFFFFFFFFl;
+		return low | (high << 32);
+	}
+
+	/*
+	 * Generates CRC lookup table above. Ported from C code in spec.
+	
+	
+	static int[] tableHigh = new int[256];
+	static int[] tableLow = new int[256];
+	static int regHigh;
+    static int regLow;
+	static {
+
+	  // Loop for each possible byte value
+	     for (int iByteVal=0; iByteVal < 256; iByteVal++) {
+	       // Make the Table entry for the current byte value
+	          MakeTableEntry(iByteVal);
+	          tableHigh[iByteVal] = regHigh;
+	          tableLow[iByteVal] = regLow;
+	     }
+	     // PrintTable();    // Comment out if desired
+	}
+	
+	
+	
+	static void MakeTableEntry(int byteVal)
+	{
+	    int generatorLow  = 0xA9EA3693;
+	    int generatorHigh = 0x42F0E1EB;
+	    regHigh = byteVal << 24;
+	    regLow = 0x00000000;
+	    
+		
+		
+	     int msb;        // Most significant bit of reg (before shift)
+
+	  // Loop for each bit in high byte of reg
+	     for (int i=0; i < 8; i++) {
+	       // Save the most significant bit for later
+	          msb = regHigh & 0x80000000;
+
+	       // Shift reg left one bit
+	          regHigh <<= 1;
+	          
+	          if ((regLow & 0x80000000) != 0) {
+	               regHigh |= 0x00000001;
+	          }
+	          regLow <<= 1;
+
+	       // If most significant bit was 1 (before the shift)
+	          if (msb != 0) {
+	            // XOR the generator into reg
+	               regHigh ^= generatorHigh;
+	               regLow  ^= generatorLow;
+	          }
+	     }
+	}
+*/
+
+
+
+}
diff --git a/src/test/java/edu/cmu/sv/arinc838/crc/Crc16GeneratorTest.java b/src/test/java/edu/cmu/sv/arinc838/crc/Crc16GeneratorTest.java
@@ -0,0 +1,21 @@
+package edu.cmu.sv.arinc838.crc;
+
+import static org.testng.Assert.assertEquals;
+
+import java.math.BigInteger;
+import java.util.Map;
+
+import org.testng.annotations.Test;
+
+public class Crc16GeneratorTest {
+	@Test
+	public void calculateCrcTest() throws Exception {
+		Map<BigInteger, byte[]> expectedCrcs = CrcGeneratorTestCommon
+				.getExpectedCrcs("crc16");
+		for (BigInteger expectedCrc : expectedCrcs.keySet()) {
+			long crc = Crc16Generator.calculateCrc(expectedCrcs
+					.get(expectedCrc));
+			assertEquals(crc, expectedCrc.longValue());
+		}
+	}
+}
diff --git a/src/test/java/edu/cmu/sv/arinc838/crc/Crc32GeneratorTest.java b/src/test/java/edu/cmu/sv/arinc838/crc/Crc32GeneratorTest.java
@@ -0,0 +1,21 @@
+package edu.cmu.sv.arinc838.crc;
+
+import static org.testng.Assert.assertEquals;
+
+import java.math.BigInteger;
+import java.util.Map;
+
+import org.testng.annotations.Test;
+
+public class Crc32GeneratorTest {
+	@Test
+	public void calculateCrcTest() throws Exception {
+		Map<BigInteger, byte[]> expectedCrcs = CrcGeneratorTestCommon
+				.getExpectedCrcs("crc32");
+		for (BigInteger expectedCrc : expectedCrcs.keySet()) {
+			long crc = Crc32Generator.calculateCrc(expectedCrcs
+					.get(expectedCrc));
+			assertEquals(crc, expectedCrc.longValue());
+		}
+	}
+}
diff --git a/src/test/java/edu/cmu/sv/arinc838/crc/Crc64GeneratorTest.java b/src/test/java/edu/cmu/sv/arinc838/crc/Crc64GeneratorTest.java
@@ -0,0 +1,21 @@
+package edu.cmu.sv.arinc838.crc;
+
+import static org.testng.Assert.assertEquals;
+
+import java.math.BigInteger;
+import java.util.Map;
+
+import org.testng.annotations.Test;
+
+public class Crc64GeneratorTest {
+	@Test
+	public void calculateCrcTest() throws Exception {
+		Map<BigInteger, byte[]> expectedCrcs = CrcGeneratorTestCommon
+				.getExpectedCrcs("crc64");
+		for (BigInteger expectedCrc : expectedCrcs.keySet()) {
+			long crc = Crc64Generator.calculateCrc(expectedCrcs
+					.get(expectedCrc));
+			assertEquals(crc, expectedCrc.longValue());
+		}
+	}
+}