Exemplo n.º 1
0
        internal static void Decode(AsnReader reader, out DirectoryStringAsn decoded)
        {
            if (reader == null)
            {
                throw new ArgumentNullException(nameof(reader));
            }

            decoded = default;
            Asn1Tag tag = reader.PeekTag();

            if (tag.HasSameClassAndValue(new Asn1Tag(UniversalTagNumber.T61String)))
            {
                decoded.TeletexString = reader.GetCharacterString(UniversalTagNumber.T61String);
            }
            else if (tag.HasSameClassAndValue(new Asn1Tag(UniversalTagNumber.PrintableString)))
            {
                decoded.PrintableString = reader.GetCharacterString(UniversalTagNumber.PrintableString);
            }
            else if (tag.HasSameClassAndValue(new Asn1Tag((UniversalTagNumber)28)))
            {
                decoded.UniversalString = reader.GetEncodedValue();
            }
            else if (tag.HasSameClassAndValue(new Asn1Tag(UniversalTagNumber.UTF8String)))
            {
                decoded.Utf8String = reader.GetCharacterString(UniversalTagNumber.UTF8String);
            }
            else if (tag.HasSameClassAndValue(new Asn1Tag(UniversalTagNumber.BMPString)))
            {
                decoded.BmpString = reader.GetCharacterString(UniversalTagNumber.BMPString);
            }
            else
            {
                throw new CryptographicException();
            }
        }
Exemplo n.º 2
0
        internal static void Decode(AsnReader reader, out PssParamsAsn decoded)
        {
            if (reader == null)
            {
                throw new ArgumentNullException(nameof(reader));
            }

            ReadOnlyMemory <byte> value = reader.GetEncodedValue();

            decoded = AsnSerializer.Deserialize <PssParamsAsn>(value, reader.RuleSet);
        }
        public static ReadOnlyMemory <byte> GetEncodedValue(this AsnReader reader, Asn1Tag matchTag)
        {
            Asn1Tag nextTag = reader.PeekTag();

            if (matchTag.TagClass != nextTag.TagClass ||
                matchTag.TagValue != nextTag.TagValue)
            {
                throw new CryptographicException(SR.Cryptography_Der_Invalid_Encoding);
            }

            return(reader.GetEncodedValue());
        }
Exemplo n.º 4
0
        internal static void Decode(AsnReader reader, Asn1Tag expectedTag, out FieldID decoded)
        {
            if (reader == null)
            {
                throw new ArgumentNullException(nameof(reader));
            }

            decoded = default;
            AsnReader sequenceReader = reader.ReadSequence(expectedTag);

            decoded.FieldType  = sequenceReader.ReadObjectIdentifierAsString();
            decoded.Parameters = sequenceReader.GetEncodedValue();

            sequenceReader.ThrowIfNotEmpty();
        }
Exemplo n.º 5
0
        internal static void Decode(AsnReader reader, Asn1Tag expectedTag, out AttributeAsn decoded)
        {
            if (reader == null)
            {
                throw new ArgumentNullException(nameof(reader));
            }

            decoded = default;
            AsnReader sequenceReader = reader.ReadSequence(expectedTag);

            decoded.AttrType   = sequenceReader.ReadObjectIdentifier();
            decoded.AttrValues = sequenceReader.GetEncodedValue();

            sequenceReader.ThrowIfNotEmpty();
        }
Exemplo n.º 6
0
        internal static void Decode(AsnReader reader, Asn1Tag expectedTag, out AlgorithmIdentifierAsn decoded)
        {
            if (reader == null)
            {
                throw new ArgumentNullException(nameof(reader));
            }

            decoded = default;
            AsnReader sequenceReader = reader.ReadSequence(expectedTag);

            decoded.Algorithm = sequenceReader.ReadObjectIdentifier();

            if (sequenceReader.HasData)
            {
                decoded.Parameters = sequenceReader.GetEncodedValue();
            }


            sequenceReader.ThrowIfNotEmpty();
        }
Exemplo n.º 7
0
        internal static void Decode(AsnReader reader, out GeneralNameAsn decoded)
        {
            if (reader == null)
            {
                throw new ArgumentNullException(nameof(reader));
            }

            decoded = default;
            Asn1Tag   tag = reader.PeekTag();
            AsnReader explicitReader;

            if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 0)))
            {
                System.Security.Cryptography.Asn1.OtherNameAsn tmpOtherName;
                System.Security.Cryptography.Asn1.OtherNameAsn.Decode(reader, new Asn1Tag(TagClass.ContextSpecific, 0), out tmpOtherName);
                decoded.OtherName = tmpOtherName;
            }
            else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 1)))
            {
                decoded.Rfc822Name = reader.GetCharacterString(new Asn1Tag(TagClass.ContextSpecific, 1), UniversalTagNumber.IA5String);
            }
            else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 2)))
            {
                decoded.DnsName = reader.GetCharacterString(new Asn1Tag(TagClass.ContextSpecific, 2), UniversalTagNumber.IA5String);
            }
            else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 3)))
            {
                decoded.X400Address = reader.GetEncodedValue();
            }
            else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 4)))
            {
                explicitReader        = reader.ReadSequence(new Asn1Tag(TagClass.ContextSpecific, 4));
                decoded.DirectoryName = explicitReader.GetEncodedValue();
                explicitReader.ThrowIfNotEmpty();
            }
            else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 5)))
            {
                System.Security.Cryptography.Asn1.EdiPartyNameAsn tmpEdiPartyName;
                System.Security.Cryptography.Asn1.EdiPartyNameAsn.Decode(reader, new Asn1Tag(TagClass.ContextSpecific, 5), out tmpEdiPartyName);
                decoded.EdiPartyName = tmpEdiPartyName;
            }
            else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 6)))
            {
                decoded.Uri = reader.GetCharacterString(new Asn1Tag(TagClass.ContextSpecific, 6), UniversalTagNumber.IA5String);
            }
            else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 7)))
            {
                if (reader.TryGetPrimitiveOctetStringBytes(new Asn1Tag(TagClass.ContextSpecific, 7), out ReadOnlyMemory <byte> tmpIPAddress))
                {
                    decoded.IPAddress = tmpIPAddress;
                }
                else
                {
                    decoded.IPAddress = reader.ReadOctetString(new Asn1Tag(TagClass.ContextSpecific, 7));
                }
            }
            else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 8)))
            {
                decoded.RegisteredId = reader.ReadObjectIdentifierAsString(new Asn1Tag(TagClass.ContextSpecific, 8));
            }
            else
            {
                throw new CryptographicException();
            }
        }