id summary reporter owner description type status milestone component version severity resolution keywords cc 2492 crc_optimal with reversed CRC16 anonymous Daryle Walker " {{{ boost::crc_optimal<16, 0x100B, 0xFFFF, 0x0000, true, false> boost_crc_1; boost::crc_basic<16> boost_crc_2(0x100B, 0xFFFF, 0x0000, true, false); boost_crc.process_byte(0); }}} --> boost_crc_1 = 0xf990 --> boost_crc_2 = 0x099f boost_crc_1 confirmed by referential implementation and manual computation " Bugs closed Boost 1.38.0 crc Boost 1.36.0 Problem worksforme