VeraCrypt 1.24 发布,VeraCrypt 是 TrueCrypt 的分支,于2013年6月发布,项目的主要开发者是来自法国的安全顾问 Mounir Idrassi 。Idrassi 创建 VeraCrypt 分支的动机是在 2012 年他被要求在客户产品中整合 TrueCrypt,他评估了 TrueCrypt代码后发现它存在一些问题,TrueCrypt 的主要弱点是不能防御暴力破解攻击。在加密系统分区时,TrueCrypt 使用 PBKDF2-RIPEMD160 算法进行 1000 次迭代;对于标准容器和非系统分区,TrueCrypt 最多迭代 2000 次。相比之下,VeraCrypt 使用 PBKDF2-RIPEMD160 算法对系统分区迭代 327,661 次,对于标准容器和非系统分区,迭代次数进一步增加到 655,331 次,大幅增加暴力破解难度。结果是,VeraCrypt 打开加密分区的速度略慢,而它的加密格式也不兼容于 TrueCrypt。另一个 TrueCrypt 分支 CipherShed 项目则努力兼容 TrueCrypt 加密格式。(以上介绍内容来自 Solidot

VeraCrypt 增强了用于系统和分区加密的算法的安全性,使其免受暴力破解攻击。VeraCrypt 还解决了TrueCryp t中发现的许多漏洞和安全问题。 以下帖子描述了一些改进和更正:

VeraCrypt on the fly encrypting the system partition :
VeraCrypt Partition Encryption

VeraCrypt creating an encrypted volume :

VeraCrypt encrypted volume creation


  • All OSs:
    • Increase password maximum length to 128 bytes in UTF-8 encoding for non-system volumes.
      • Add option to use legacy maximum password length (64) instead of new one for compatibility reasons.
    • Use Hardware RNG based on cpu timing jitter “Jitterentropy” by Stephan Mueller as a good alternative to CPU RDRAND (
    • Speed optimization of XTS mode on 64-bit machine using SSE2 (up to 10% faster).
    • Fix detection of CPU features AVX2/BMI2. Add detection of RDRAND/RDSEED CPU features. Detect Hygon CPU as AMD one.
  • Windows:
    • Implement RAM encryption for keys and passwords using ChaCha12 cipher, t1ha non-cryptographic fast hash and ChaCha20 based CSPRNG.
      • Available only on 64-bit machines.
      • Disabled by default. Can be enabled using option in UI.
      • Less than 10% overhead on modern CPUs.
      • Side effect: Windows Hibernate is not possible if VeraCrypt System Encryption is also being used.
    • Mitigate some memory attacks by making VeraCrypt applications memory inaccessible to non-admin users (based on KeePassXC implementation)
    • New security features:
      • Erase system encryption keys from memory during shutdown/reboot to help mitigate some cold boot attacks
      • Add option when system encryption is used to erase all encryption keys from memory when a new device is connected to the system.
      • Add new driver entry point that can be called by applications to erase encryption keys from memory in case of emergency.
    • MBR Bootloader: dynamically determine boot loader memory segment instead of hardcoded values (proposed by neos6464)
    • MBR Bootloader: workaround for issue affecting creation of hidden OS on some ssd drives.
    • Fix issue related to Windows Update breaking VeraCrypt UEFI bootloader.
    • Several enhancements and fixes for EFI bootloader:
      • Implement timeout mechanism for password input. Set default timeout value to 3 minutes and default timeout action to “shutdown”.
      • Implement new actions “shutdown” and “reboot” for EFI DcsProp config file.
      • Enhance Rescue Disk implementation of resToring VeraCrypt loader.
      • Fix ESC on password prompt during Pre-Test not starting Windows.
      • Add menu entry in Rescue Disk that enables starting original Windows loader.
      • Fix issue that was preventing Streebog hash from being selected manually during Pre-Boot authentication.
      • If “VeraCrypt” folder is missing from Rescue Disk, it will boot PC directly from bootloader stored on hard drive
        • This makes it easy to create a bootable disk for VeraCrypt from Rescue Disk just by removing/renaming its “VeraCrypt” folder.
    • Add option (disabled by default) to use CPU RDRAND or RDSEED as an additional entropy source for our random generator when available.
    • Add mount option (both UI and command line) that allows mounting a volume without attaching it to the specified drive letter.
    • Update libzip to version 1.5.2
    • Do not create uninstall shortcut in startmenu when installing VeraCrypt. (by Sven Strickroth)
    • Enable selection of Quick Format for file containers creation. Separate Quick Format and Dynamic Volume options in the wizard UI.
    • Fix editor of EFI system encryption configuration file not accepting ENTER key to add new lines.
    • Avoid simultaneous calls of favorites mounting, for example if corresponding hotkey is pressed multiple times.
    • Ensure that only one thread at a time can create a secure desktop.
    • Resize some dialogs in Format and Mount Options to fix some text truncation issues with non-English languages.
    • Fix high CPU usage when using favorites and add switch to disable periodic check on devices to reduce CPU load.
    • Minor UI changes.
    • Updates and corrections to translations and documentation.
  • MacOSX:
    • Add check on size of file container during creation to ensure it’s smaller than available free disk space. Add CLI switch –no-size-check to disable this check.
  • Linux:
    • Make CLI switch –import-token-keyfiles compatible with Non-Interactive mode.
    • Add check on size of file container during creation to ensure it’s smaller than available free disk space. Add CLI switch –no-size-check to disable this check.
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