HashCheck Shell Extension for Windows with added SHA2, SHA3, and multithreading.
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User feedback platform UserVoice - used by the likes of Twitch, Microsoft, and many others - says it was hacked last month, and that weak encryption means "attackers may be able to decrypt passwords".
Hashing utility for verifying integrity of files using a wide range of supported algorithms: CRC32, MD2, MD4, MD5, SHA1, SHA256, SHA512, RipeMD128, RipeMD160, ED2K.