Aspose.PDF FOSS.NETSignatureAlgorithmTypeSignatureAlgorithmTypeOverview SignatureAlgorithmType 是一个 enum 在Aspose.PDF FOSS 中的 .NET.签名算法家族从一个签字的PKCS#7签署算法的OID中提取.这种列表定义了5个值: Unknown, Rsa, Dsa, Ecdsa, Timestamp.Values ValueDescriptionUnknownRsaDsaEcdsaTimestampSee Also Aspose.PDF for .NET — Enterprise API Reference