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# Enum VerificationOptions.TimeMode

An enumeration representing the least-secure type of reference-time to use when verifying digital signatures. One can choose the time of signing (not very secure), timestamp time (more secure), current time (most secure, lower verification rate). Note: this is orthogonal to the expiry verification mode (shell/chain/hybrid).

###### Namespace: pdftron.PDF

###### Assembly: PDFTronDotNet.dll

##### Syntax

    public enum VerificationOptions.TimeMode

### Fields

Name | Description
--- | ---
e_current | Check signature certificates against the current time. This is the most secure, and the most restrictive option.
e_signing | If secure timestamp available, check signature certificates against the secure timestamp. Otherwise, if available, check signature certificates against the signingTime attribute in the PKCS #7/CMS of the signature. Otherwise, use the current time. This is the default option. Less secure. Suitable for archiving and interoperability with other vendors.
e_timestamp | If available, check signature certificates against the signingTime attribute in the PKCS #7/CMS data of the signature. Otherwise, use the current time.