static PssParamsAsn() { PssParamsAsn decoded = default; AsnReader reader; reader = new AsnReader(s_defaultHashAlgorithm, AsnEncodingRules.DER); System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(reader, out decoded.HashAlgorithm); reader.ThrowIfNotEmpty(); reader = new AsnReader(s_defaultMaskGenAlgorithm, AsnEncodingRules.DER); System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(reader, out decoded.MaskGenAlgorithm); reader.ThrowIfNotEmpty(); reader = new AsnReader(s_defaultSaltLength, AsnEncodingRules.DER); if (!reader.TryReadInt32(out decoded.SaltLength)) { reader.ThrowIfNotEmpty(); } reader.ThrowIfNotEmpty(); reader = new AsnReader(s_defaultTrailerField, AsnEncodingRules.DER); if (!reader.TryReadInt32(out decoded.TrailerField)) { reader.ThrowIfNotEmpty(); } reader.ThrowIfNotEmpty(); }
internal static void Decode(AsnReader reader, out PssParamsAsn decoded) { if (reader == null) { throw new ArgumentNullException(nameof(reader)); } Decode(reader, Asn1Tag.Sequence, out decoded); }
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); }
internal static void Decode(AsnReader reader, Asn1Tag expectedTag, out PssParamsAsn decoded) { if (reader == null) { throw new ArgumentNullException(nameof(reader)); } decoded = default; AsnReader sequenceReader = reader.ReadSequence(expectedTag); AsnReader explicitReader; AsnReader defaultReader; if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 0))) { explicitReader = sequenceReader.ReadSequence(new Asn1Tag(TagClass.ContextSpecific, 0)); System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(explicitReader, out decoded.HashAlgorithm); explicitReader.ThrowIfNotEmpty(); } else { defaultReader = new AsnReader(s_defaultHashAlgorithm, AsnEncodingRules.DER); System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(defaultReader, out decoded.HashAlgorithm); } if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 1))) { explicitReader = sequenceReader.ReadSequence(new Asn1Tag(TagClass.ContextSpecific, 1)); System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(explicitReader, out decoded.MaskGenAlgorithm); explicitReader.ThrowIfNotEmpty(); } else { defaultReader = new AsnReader(s_defaultMaskGenAlgorithm, AsnEncodingRules.DER); System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(defaultReader, out decoded.MaskGenAlgorithm); } if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 2))) { explicitReader = sequenceReader.ReadSequence(new Asn1Tag(TagClass.ContextSpecific, 2)); if (!explicitReader.TryReadInt32(out decoded.SaltLength)) { explicitReader.ThrowIfNotEmpty(); } explicitReader.ThrowIfNotEmpty(); } else { defaultReader = new AsnReader(s_defaultSaltLength, AsnEncodingRules.DER); if (!defaultReader.TryReadInt32(out decoded.SaltLength)) { defaultReader.ThrowIfNotEmpty(); } } if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 3))) { explicitReader = sequenceReader.ReadSequence(new Asn1Tag(TagClass.ContextSpecific, 3)); if (!explicitReader.TryReadInt32(out decoded.TrailerField)) { explicitReader.ThrowIfNotEmpty(); } explicitReader.ThrowIfNotEmpty(); } else { defaultReader = new AsnReader(s_defaultTrailerField, AsnEncodingRules.DER); if (!defaultReader.TryReadInt32(out decoded.TrailerField)) { defaultReader.ThrowIfNotEmpty(); } } sequenceReader.ThrowIfNotEmpty(); }
private static void DecodeCore(ref AsnValueReader reader, Asn1Tag expectedTag, ReadOnlyMemory <byte> rebind, out PssParamsAsn decoded) { decoded = default; AsnValueReader sequenceReader = reader.ReadSequence(expectedTag); AsnValueReader explicitReader; AsnValueReader defaultReader; if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 0))) { explicitReader = sequenceReader.ReadSequence(new Asn1Tag(TagClass.ContextSpecific, 0)); System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(ref explicitReader, rebind, out decoded.HashAlgorithm); explicitReader.ThrowIfNotEmpty(); } else { defaultReader = new AsnValueReader(DefaultHashAlgorithm, AsnEncodingRules.DER); System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(ref defaultReader, rebind, out decoded.HashAlgorithm); } if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 1))) { explicitReader = sequenceReader.ReadSequence(new Asn1Tag(TagClass.ContextSpecific, 1)); System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(ref explicitReader, rebind, out decoded.MaskGenAlgorithm); explicitReader.ThrowIfNotEmpty(); } else { defaultReader = new AsnValueReader(DefaultMaskGenAlgorithm, AsnEncodingRules.DER); System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(ref defaultReader, rebind, out decoded.MaskGenAlgorithm); } if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 2))) { explicitReader = sequenceReader.ReadSequence(new Asn1Tag(TagClass.ContextSpecific, 2)); if (!explicitReader.TryReadInt32(out decoded.SaltLength)) { explicitReader.ThrowIfNotEmpty(); } explicitReader.ThrowIfNotEmpty(); } else { defaultReader = new AsnValueReader(DefaultSaltLength, AsnEncodingRules.DER); if (!defaultReader.TryReadInt32(out decoded.SaltLength)) { defaultReader.ThrowIfNotEmpty(); } } if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 3))) { explicitReader = sequenceReader.ReadSequence(new Asn1Tag(TagClass.ContextSpecific, 3)); if (!explicitReader.TryReadInt32(out decoded.TrailerField)) { explicitReader.ThrowIfNotEmpty(); } explicitReader.ThrowIfNotEmpty(); } else { defaultReader = new AsnValueReader(DefaultTrailerField, AsnEncodingRules.DER); if (!defaultReader.TryReadInt32(out decoded.TrailerField)) { defaultReader.ThrowIfNotEmpty(); } } sequenceReader.ThrowIfNotEmpty(); }
internal static void Decode(ref AsnValueReader reader, Asn1Tag expectedTag, ReadOnlyMemory <byte> rebind, out PssParamsAsn 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 PssParamsAsn decoded) { Decode(ref reader, Asn1Tag.Sequence, rebind, out decoded); }