RapidCRC Unicode

RapidCRC is an open source CRC/MD5/SHA hashing program. I've extended the current unicode support to allow writing of unicode .sfv/.md5/.sha1/.sha256/.sha512 files, which can be turned on/off through the settings page. Unicode sfv files are written as UTF-16LE with BOM or UTF-8 (with or without BOM), and RCRC now performs a codepage detection. I've also expanded the shell extension that was included in the sourcecode to enable all operations directly from the extension.

List of other new features:

  • multithreaded hash calculations with asynchronous I/O
  • ed2k hash calculation
  • SHA hash calculation
  • job queueing
  • popup menu to copy the calculated hashes to the clipboard

RapidCRC is released under the GPL - the sourcecode with my modifications can be found below. Be warned however that my documentation in the sourcecode is not as good as the original RapidCRC source.

Screenshots

v0.3.15

posted on 08/23/2014 - 15:15

Maintenance release until I can find the time to work on larger improvements...

  • Fixed list icon not updating after putting CRC in filename
  • Show current directory while getting file info
  • Improve error handling for long file names
  • Add "One file with automatic name" option
  • Make "Hide Verified" a persistent option
  • Speed up restore verified, remove items when changing status

v0.3.14

posted on 10/11/2013 - 21:10
  • Fixed list not updating after putting CRC in filename
  • Updated Icon (thanks to bejita7)
  • Now also hides crc/md5/ed2k fields in main window if not selected for calculation
  • Fixed hash-in-filename detection with files containing multiple delimiters
  • Added GUI to select shell extension menu entries

v0.3.13

posted on 08/26/2013 - 16:40
  • Fixed column header popup menu issues
  • Will use correct initial path in save dialog for UNC paths
  • Supports reading BSD-style hash files, determined by filename or if forced through the open dialog dropdown
  • Allow all hash types to be put in filenames (right click the "Put CRC into filename" button)
  • Reads all hash types from filenames
  • Fixed possible issues with hash file creation across multiple jobs
  • Shell extension: adds possibility to hide context menu entries

There is currently no GUI for hiding shell extension menu entries, that will be in the next version. Until then you can manually create the registry value HKEY_CURRENT_USER\Software\RapidCRC\ShellExtMenuItemsMask (DWORD) - it's a bit mask where bit 0 corresponds to "Open" and each subsequent item is one bit higher. So to hide "Open with Reparent", the separator and "Create SFV" you'd set it to 1A (hex).

v0.3.12

posted on 02/20/2013 - 21:22
  • Fixed CRC column-click sorting
  • Greatly reduced memory usage caused by extended path support
  • Added command to recursively open all hash files via the shell extension or the vista+ open file menu (dropdown on the open button)

v0.3.11

posted on 12/31/2012 - 14:55
  • Fixed column-click sorting
  • Fixed default directory in "one for all" mode (also works in drive roots)

v0.3.10

posted on 11/26/2012 - 21:56
  • fixed control overlap (play/pause, status field)
  • sha256/512 buttons are now correctly disabled during calculation

v0.3.9

posted on 11/22/2012 - 19:40
  • fix reading of hash files with normal slash characters for folder separators
  • adjusted button position + combo box size for xp
  • restored default directory in "one for all files" mode
  • added logic to load options from rcrc dir if options file exists

v0.3.8

posted on 10/15/2012 - 21:42
  • fixed sfv file creation

v0.3.7

posted on 10/11/2012 - 01:15
  • added sha256/512 support (hash calculation and file verification)
  • fixed reparenting

v0.3.6

posted on 09/14/2012 - 00:46
  • fixed "one checksum file per dir" mode
  • file comments now work in all modes

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