This plugin calculates CRCs and Hash message digests of files in the active file panel. Supported are CRC16/24/32/64, Adler32, MD4/MD5, eDonkey/eMule, RIPEMD160, SHA1, SHA224/256/384/512, Whirlpool.
Version 1.17 fixes a SHA512/384 bug for file sizes above 512MB.
Direct download link
http://home.netsurf.de/wolfgang.ehrhardt/HashCRC117.zip
More information and source archive at
http://home.netsurf.de/wolfgang.ehrhardt
Wolfgang