Digital signatures protect files from tampering, and enable users to verify the signer based on a signing certificate. For a list of the options supported by the sign command, see sign Command Options. Time-stamps files. Verifies the digital signature of files by determining whether the signing certificate was issued by a trusted authority, whether the signing certificate has been revoked, and, optionally, whether the signing certificate is valid for a specific policy.
For a list of the options supported by the Verify command, see Verify Command Options. Displays no output if the command runs successfully, and displays minimal output if the command fails. Displays verbose output regardless of whether the command runs successfully or fails, and displays warning messages.
Specifies that the default catalog database is updated. Specifies that the catalog database identified by the globally unique identifier GUID is updated.
Removes the specified catalogs from the catalog database. If this option is not specified, Sign Tool adds the specified catalogs to the catalog database.
Specifies that a unique name is automatically generated for the added catalog files. If necessary, the catalog files are renamed to prevent name conflicts with existing catalog files. If this option is not specified, Sign Tool overwrites any existing catalog that has the same name as the catalog being added. Automatically selects the best signing certificate. Sign Tool will find all valid certificates that satisfy all specified conditions and select the one that is valid for the longest time.
If this option is not present, Sign Tool expects to find only one valid signing certificate. Appends this signature. If no primary signature is present, this signature is made the primary signature instead. Specifies the signing certificate in a file.
Specifies the file digest algorithm to use for creating file signatures. Specifying the string certHash will default to the algorithm used on the signing certificate.
The example verifies the signature of the file AbcDriverPackage. The following is an example of how to verify that an embedded signature complies with the kernel-mode code signing policy on Windows Vista and later versions of Windows. The example verifies the signature that is embedded in the driver file AbcDriverFile. The following is an example of how to verify that the signature of a driver package's catalog file complies with the PnP device installation signing requirements.
The example verifies the signature of the catalog file CatalogFileName. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode. Please rate your experience Yes No. Any additional feedback? Note Catalog databases are used for automatic lookup of catalog files. Note This option cannot be used with the catdb options. Submit and view feedback for This product This page. View all page feedback.
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Watch tips and tricks. Microsoft Teams for Education Help drive the transition to inclusive online or hybrid learning, build confidence with remote learning tools, and maintain student engagement. Watch learning tools. Get the Teams mobile app. Send now. Displays no output if the command runs successfully, and displays minimal output if the command fails.
Displays verbose output regardless of whether the command runs successfully or fails, and displays warning messages. Specifies that the default catalog database be updated. Removes the specified catalog from the catalog database. If this option is not specified, SignTool will add the specified catalog to the catalog database.
Specifies that a unique name be automatically generated for the added catalog files. If necessary, the catalog files are renamed to prevent name conflicts with existing catalog files.
If this option is not specified, SignTool overwrites any existing catalog that has the same name as the catalog being added. Automatically selects the best signing certificate. Sign Tool will find all valid certificates that satisfy all specified conditions and select the one that is valid for the longest time.
If this option is not present, Sign Tool expects to find only one valid signing certificate. Appends this signature. If no primary signature is present, this signature is made the primary signature instead.
Generates the digest to be signed and the unsigned PKCS7 files. Creates the signature by ingesting the signed digest to the unsigned PKCS7 file. Signs the digest only. The output file will be: File. Specifies the signing certificate in a file. Specifies the file digest algorithm to use for creating file signatures. Specifying the string certHash will default to the algorithm used on the signing certificate.
Specifies the name of the issuer of the signing certificate. This value can be a substring of the entire issuer name. Specifies the name of the subject of the signing certificate.
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