internal static void Decode(AsnReader reader, out EssCertIdV2 decoded)
{
if (reader == null)
{
throw new ArgumentNullException(nameof(reader));
}
Decode(reader, Asn1Tag.Sequence, out decoded);
}
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();
}
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();
}
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();
}
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);
}
}
internal static void Decode(ref AsnValueReader reader, ReadOnlyMemory <byte> rebind, out EssCertIdV2 decoded)
{
Decode(ref reader, Asn1Tag.Sequence, rebind, out decoded);
}
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();
}