Hash algorithm configured in Security Profile on card insertion

Defines the hashing algorithm configured in the Microsoft Outlook security profile on smart card insertion.

Note: MD5 algorithm is not supported in Microsoft Outlook 2010.

If this setting is not configured or disabled, then SHA-1 is used.

Supported on: At least Windows Vista SP1

Hash algorithm


  1. MD5
    Registry HiveHKEY_LOCAL_MACHINE
    Registry PathSOFTWARE\Policies\HID Global\ActivClient\CertificateRegistration\Outlook
    Value NameHashAlgorithm
    Value TypeREG_SZ
    ValueMD5
  2. SHA-1
    Registry HiveHKEY_LOCAL_MACHINE
    Registry PathSOFTWARE\Policies\HID Global\ActivClient\CertificateRegistration\Outlook
    Value NameHashAlgorithm
    Value TypeREG_SZ
    ValueSHA1
  3. SHA-256
    Registry HiveHKEY_LOCAL_MACHINE
    Registry PathSOFTWARE\Policies\HID Global\ActivClient\CertificateRegistration\Outlook
    Value NameHashAlgorithm
    Value TypeREG_SZ
    ValueSHA256
  4. SHA-384
    Registry HiveHKEY_LOCAL_MACHINE
    Registry PathSOFTWARE\Policies\HID Global\ActivClient\CertificateRegistration\Outlook
    Value NameHashAlgorithm
    Value TypeREG_SZ
    ValueSHA384
  5. SHA-512
    Registry HiveHKEY_LOCAL_MACHINE
    Registry PathSOFTWARE\Policies\HID Global\ActivClient\CertificateRegistration\Outlook
    Value NameHashAlgorithm
    Value TypeREG_SZ
    ValueSHA512


hidglobal.activclient.admx

Administrative Templates (Computers)