当前位置: 首页>>代码示例>>C#>>正文


C# ContentInfo.ToAsn1Object方法代码示例

本文整理汇总了C#中Org.BouncyCastle.Asn1.Cms.ContentInfo.ToAsn1Object方法的典型用法代码示例。如果您正苦于以下问题:C# ContentInfo.ToAsn1Object方法的具体用法?C# ContentInfo.ToAsn1Object怎么用?C# ContentInfo.ToAsn1Object使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Org.BouncyCastle.Asn1.Cms.ContentInfo的用法示例。


在下文中一共展示了ContentInfo.ToAsn1Object方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: CreateDERForRecipient

        private Asn1Object CreateDERForRecipient(byte[] inp, X509Certificate cert) {
            
            String s = "1.2.840.113549.3.2";
            
            byte[] outp = new byte[100];
            DerObjectIdentifier derob = new DerObjectIdentifier(s);
            byte[] keyp = IVGenerator.GetIV(16);
            IBufferedCipher cf = CipherUtilities.GetCipher(derob);
            KeyParameter kp = new KeyParameter(keyp);
            byte[] iv = IVGenerator.GetIV(cf.GetBlockSize());
            ParametersWithIV piv = new ParametersWithIV(kp, iv);
            cf.Init(true, piv);
            int len = cf.DoFinal(inp, outp, 0);

            byte[] abyte1 = new byte[len];
            System.Array.Copy(outp, 0, abyte1, 0, len);
            DerOctetString deroctetstring = new DerOctetString(abyte1);
            KeyTransRecipientInfo keytransrecipientinfo = ComputeRecipientInfo(cert, keyp);
            DerSet derset = new DerSet(new RecipientInfo(keytransrecipientinfo));
            Asn1EncodableVector ev = new Asn1EncodableVector();
            ev.Add(new DerInteger(58));
            ev.Add(new DerOctetString(iv));
            DerSequence seq = new DerSequence(ev);
            AlgorithmIdentifier algorithmidentifier = new AlgorithmIdentifier(derob, seq);
            EncryptedContentInfo encryptedcontentinfo = 
                new EncryptedContentInfo(PkcsObjectIdentifiers.Data, algorithmidentifier, deroctetstring);
            Asn1Set set = null;
            EnvelopedData env = new EnvelopedData(null, derset, encryptedcontentinfo, set);
            Org.BouncyCastle.Asn1.Cms.ContentInfo contentinfo = 
                new Org.BouncyCastle.Asn1.Cms.ContentInfo(PkcsObjectIdentifiers.EnvelopedData, env);
            return contentinfo.ToAsn1Object();        
        }
开发者ID:jagruti23,项目名称:itextsharp,代码行数:32,代码来源:PdfPublicKeySecurityHandler.cs


注:本文中的Org.BouncyCastle.Asn1.Cms.ContentInfo.ToAsn1Object方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。