public ToAsn1Object ( ) : |
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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()); }
private Asn1Object createDerForRecipient(byte[] inp, X509Certificate cert) { var s = "1.2.840.113549.3.2"; var outp = new byte[100]; var derob = new DerObjectIdentifier(s); var keyp = IvGenerator.GetIv(16); var cf = CipherUtilities.GetCipher(derob); var kp = new KeyParameter(keyp); var iv = IvGenerator.GetIv(cf.GetBlockSize()); var piv = new ParametersWithIV(kp, iv); cf.Init(true, piv); var len = cf.DoFinal(inp, outp, 0); var abyte1 = new byte[len]; System.Array.Copy(outp, 0, abyte1, 0, len); var deroctetstring = new DerOctetString(abyte1); var keytransrecipientinfo = computeRecipientInfo(cert, keyp); var derset = new DerSet(new RecipientInfo(keytransrecipientinfo)); var ev = new Asn1EncodableVector { new DerInteger(58), new DerOctetString(iv) }; var seq = new DerSequence(ev); var algorithmidentifier = new AlgorithmIdentifier(derob, seq); var encryptedcontentinfo = new EncryptedContentInfo(PkcsObjectIdentifiers.Data, algorithmidentifier, deroctetstring); var env = new EnvelopedData(null, derset, encryptedcontentinfo, (Asn1Set)null); var contentinfo = new Org.BouncyCastle.Asn1.Cms.ContentInfo(PkcsObjectIdentifiers.EnvelopedData, env); return(contentinfo.ToAsn1Object()); }
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(); }