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Personal Information Exchange (.pfx) Files

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To be used for release signing, a Software Publisher Certificate (SPC), and its private and public keys, must be stored in a Personal Information Exchange (.pfx) file. However, some certificate authorities (CAs) use different file formats to store this data. For example, some CAs store the certificate's private key in a Private Key (.pvk) file and store the certificate and public key in a .spc or .cer file.

If the CA issued an .spc and its keys in non-.pfx files, you must convert and store the files in a .pfx file before they can be used for release-signing. The Pvk2Pfx tool is used to perform this conversion.

The following command-line example converts a .pvk file that is named abc.pvk and a .spc that is named abc.spc into a .pfx file that is named abc.pfx:

Pvk2Pfx -pvk abc.pvk -pi pvkpassword -spc abc.spc -pfx abc.pfx -po pfxpassword -f

Where:

  • The -pvk option specifies a .pvk file (abc.pvk).

  • The -pi option specifies the password for the .pvk file (pvkpassword).

  • The -spc option specifies the name and extension of the SPC file that contains the certificate. The file can be either an .spc file or a .cer file. In this example, the certificate and public key are in the abc.spc file.

  • The -pfx option specifies the name of the .pfx file (abc.pfx). If this option is not specified, Pvk2Pfx opens an Export Wizard and ignores the -po and -f arguments.

  • The -po option specifies a password for the .pfx file (pfxpassword). If this option is not specified, the specified .pfx file is assigned the same password that is associated with the specified .pvk file.

  • The -f option configures Pvk2Pfx to replace an existing .pfx file if one exists.

For more information about SPCs and their management, see Software Publisher Certificate (SPC).