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Setting the Machine Default CSP

Windows Mobile 6.5
A version of this page is also available for
4/8/2010

One machine default cryptographic service provider (CSP) can be specified for each CSP type. This entry is used when an application calls the CryptAcquireContext function with only a CSP type specified, and no user default CSP registry entry exists.

The typical CSP setup application installs its CSP as the machine default. The following registry entry sets the machine default CSP.

[HKEY_LOCAL_MACHINE\Comm\Security\Crypto\Defaults\ Provider Types\Type CSP type]
    Name = REG_SZ:CSP name

The CSP type portion of the key name must be in decimal format and exactly three digits in length. For example, if the CSP were of type 25, the key name would be Type 025.

The CSP name entry must be set to the textual name of the CSP. This must exactly match the CSP name registry key discussed in Registering the CSP.

The following example shows how to set the CSP name.

[HKEY_LOCAL_MACHINE\Comm\Security\Crypto\Defaults\Provider Types\Type 042]
    Name = REG_SZ:XYZ Provider

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