示例#1
0
        internal static void Decode(AsnReader reader, out EssCertIdV2 decoded)
        {
            if (reader == null)
            {
                throw new ArgumentNullException(nameof(reader));
            }

            Decode(reader, Asn1Tag.Sequence, out decoded);
        }
示例#2
0
        static EssCertIdV2()
        {
            EssCertIdV2 decoded = default;
            AsnReader   reader;

            reader = new AsnReader(s_defaultHashAlgorithm, AsnEncodingRules.DER);
            System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(reader, out decoded.HashAlgorithm);
            reader.ThrowIfNotEmpty();
        }
示例#3
0
        static EssCertIdV2()
        {
            EssCertIdV2           decoded = default;
            ReadOnlyMemory <byte> rebind  = default;
            AsnValueReader        reader;

            reader = new AsnValueReader(DefaultHashAlgorithm, AsnEncodingRules.DER);
            System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(ref reader, rebind, out decoded.HashAlgorithm);
            reader.ThrowIfNotEmpty();
        }
示例#4
0
        internal static void Decode(AsnReader reader, Asn1Tag expectedTag, out EssCertIdV2 decoded)
        {
            if (reader == null)
            {
                throw new ArgumentNullException(nameof(reader));
            }

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


            if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.Sequence))
            {
                System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(sequenceReader, out decoded.HashAlgorithm);
            }
            else
            {
                defaultReader = new AsnReader(s_defaultHashAlgorithm, AsnEncodingRules.DER);
                System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(defaultReader, out decoded.HashAlgorithm);
            }


            if (sequenceReader.TryGetPrimitiveOctetStringBytes(out ReadOnlyMemory <byte> tmpHash))
            {
                decoded.Hash = tmpHash;
            }
            else
            {
                decoded.Hash = sequenceReader.ReadOctetString();
            }


            if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.Sequence))
            {
                System.Security.Cryptography.Pkcs.Asn1.CadesIssuerSerial tmpIssuerSerial;
                System.Security.Cryptography.Pkcs.Asn1.CadesIssuerSerial.Decode(sequenceReader, out tmpIssuerSerial);
                decoded.IssuerSerial = tmpIssuerSerial;
            }


            sequenceReader.ThrowIfNotEmpty();
        }
示例#5
0
 internal static void Decode(ref AsnValueReader reader, Asn1Tag expectedTag, ReadOnlyMemory <byte> rebind, out EssCertIdV2 decoded)
 {
     try
     {
         DecodeCore(ref reader, expectedTag, rebind, out decoded);
     }
     catch (AsnContentException e)
     {
         throw new CryptographicException(SR.Cryptography_Der_Invalid_Encoding, e);
     }
 }
示例#6
0
 internal static void Decode(ref AsnValueReader reader, ReadOnlyMemory <byte> rebind, out EssCertIdV2 decoded)
 {
     Decode(ref reader, Asn1Tag.Sequence, rebind, out decoded);
 }
示例#7
0
        private static void DecodeCore(ref AsnValueReader reader, Asn1Tag expectedTag, ReadOnlyMemory <byte> rebind, out EssCertIdV2 decoded)
        {
            decoded = default;
            AsnValueReader      sequenceReader = reader.ReadSequence(expectedTag);
            AsnValueReader      defaultReader;
            ReadOnlySpan <byte> rebindSpan = rebind.Span;
            int offset;
            ReadOnlySpan <byte> tmpSpan;


            if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.Sequence))
            {
                System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(ref sequenceReader, rebind, out decoded.HashAlgorithm);
            }
            else
            {
                defaultReader = new AsnValueReader(DefaultHashAlgorithm, AsnEncodingRules.DER);
                System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(ref defaultReader, rebind, out decoded.HashAlgorithm);
            }


            if (sequenceReader.TryReadPrimitiveOctetString(out tmpSpan))
            {
                decoded.Hash = rebindSpan.Overlaps(tmpSpan, out offset) ? rebind.Slice(offset, tmpSpan.Length) : tmpSpan.ToArray();
            }
            else
            {
                decoded.Hash = sequenceReader.ReadOctetString();
            }


            if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.Sequence))
            {
                System.Security.Cryptography.Pkcs.Asn1.CadesIssuerSerial tmpIssuerSerial;
                System.Security.Cryptography.Pkcs.Asn1.CadesIssuerSerial.Decode(ref sequenceReader, rebind, out tmpIssuerSerial);
                decoded.IssuerSerial = tmpIssuerSerial;
            }


            sequenceReader.ThrowIfNotEmpty();
        }