Class TimestampValidator

Namespace

SimpleSign.Core.Validation

Assembly

SimpleSign.Core.dll

Validates RFC 3161 timestamp tokens embedded in CMS signatures. Verifies TSA signature, nonce, and extracts timestamp date.

public static class TimestampValidator

Inheritance

object

TimestampValidator

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Methods

Validate(CmsSignedData, List<string>, CertificateChainValidatorDelegate?, ILogger?)

Validates the timestamp token in a CMS signature.

public static bool? Validate(CmsSignedData cmsData, List<string> warnings, TimestampValidator.CertificateChainValidatorDelegate? validateChain = null, ILogger? logger = null)

Parameters

cmsData CmsSignedData

warnings List<string>

validateChain TimestampValidator.CertificateChainValidatorDelegate

logger ILogger

Returns

bool?

true = valid, false = invalid, null = absent.

Validate(byte[], byte[], DateTimeOffset?, List<string>, CertificateChainValidatorDelegate?, ILogger?)

Validates an RFC 3161 timestamp token against a signature value.

public static bool? Validate(byte[] timestampToken, byte[] signatureValueBytes, DateTimeOffset? signingTime, List<string> warnings, TimestampValidator.CertificateChainValidatorDelegate? validateChain = null, ILogger? logger = null)

Parameters

timestampToken byte[]

DER-encoded RFC 3161 timestamp token.

signatureValueBytes byte[]

The signature bytes that were timestamped.

signingTime DateTimeOffset?

Optional signing time for temporal validation.

warnings List<string>

Accumulated warnings.

validateChain TimestampValidator.CertificateChainValidatorDelegate

Optional TSA certificate chain validator delegate.

logger ILogger

Optional logger.

Returns

bool?

true = valid, false = invalid, null = no data to validate.