internal static void Decode(AsnReader reader, Asn1Tag expectedTag, out ECPrivateKey decoded) { if (reader == null) { throw new ArgumentNullException(nameof(reader)); } decoded = default; AsnReader sequenceReader = reader.ReadSequence(expectedTag); AsnReader explicitReader; if (!sequenceReader.TryReadUInt8(out decoded.Version)) { sequenceReader.ThrowIfNotEmpty(); } if (sequenceReader.TryGetPrimitiveOctetStringBytes(out ReadOnlyMemory <byte> tmpPrivateKey)) { decoded.PrivateKey = tmpPrivateKey; } else { decoded.PrivateKey = sequenceReader.ReadOctetString(); } if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 0))) { explicitReader = sequenceReader.ReadSequence(new Asn1Tag(TagClass.ContextSpecific, 0)); System.Security.Cryptography.Asn1.ECDomainParameters tmpParameters; System.Security.Cryptography.Asn1.ECDomainParameters.Decode(explicitReader, out tmpParameters); decoded.Parameters = tmpParameters; explicitReader.ThrowIfNotEmpty(); } if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 1))) { explicitReader = sequenceReader.ReadSequence(new Asn1Tag(TagClass.ContextSpecific, 1)); if (explicitReader.TryGetPrimitiveBitStringValue(out _, out ReadOnlyMemory <byte> tmpPublicKey)) { decoded.PublicKey = tmpPublicKey; } else { decoded.PublicKey = explicitReader.ReadBitString(out _); } explicitReader.ThrowIfNotEmpty(); } sequenceReader.ThrowIfNotEmpty(); }
internal static void Decode(AsnReader reader, Asn1Tag expectedTag, out OaepParamsAsn 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.HashFunc); explicitReader.ThrowIfNotEmpty(); } else { defaultReader = new AsnReader(s_defaultHashFunc, AsnEncodingRules.DER); System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(defaultReader, out decoded.HashFunc); } 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.MaskGenFunc); explicitReader.ThrowIfNotEmpty(); } else { defaultReader = new AsnReader(s_defaultMaskGenFunc, AsnEncodingRules.DER); System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(defaultReader, out decoded.MaskGenFunc); } if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 2))) { explicitReader = sequenceReader.ReadSequence(new Asn1Tag(TagClass.ContextSpecific, 2)); System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(explicitReader, out decoded.PSourceFunc); explicitReader.ThrowIfNotEmpty(); } else { defaultReader = new AsnReader(s_defaultPSourceFunc, AsnEncodingRules.DER); System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(defaultReader, out decoded.PSourceFunc); } sequenceReader.ThrowIfNotEmpty(); }
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.ReadCharacterString(UniversalTagNumber.T61String); } else if (tag.HasSameClassAndValue(new Asn1Tag(UniversalTagNumber.PrintableString))) { decoded.PrintableString = reader.ReadCharacterString(UniversalTagNumber.PrintableString); } else if (tag.HasSameClassAndValue(new Asn1Tag((UniversalTagNumber)28))) { decoded.UniversalString = reader.ReadEncodedValue(); } else if (tag.HasSameClassAndValue(new Asn1Tag(UniversalTagNumber.UTF8String))) { decoded.Utf8String = reader.ReadCharacterString(UniversalTagNumber.UTF8String); } else if (tag.HasSameClassAndValue(new Asn1Tag(UniversalTagNumber.BMPString))) { decoded.BmpString = reader.ReadCharacterString(UniversalTagNumber.BMPString); } else { throw new CryptographicException(); } }
internal static void Decode(AsnReader reader, out Pbkdf2SaltChoice decoded) { if (reader == null) { throw new ArgumentNullException(nameof(reader)); } decoded = default; Asn1Tag tag = reader.PeekTag(); if (tag.HasSameClassAndValue(Asn1Tag.PrimitiveOctetString)) { if (reader.TryGetPrimitiveOctetStringBytes(out ReadOnlyMemory <byte> tmpSpecified)) { decoded.Specified = tmpSpecified; } else { decoded.Specified = reader.ReadOctetString(); } } else if (tag.HasSameClassAndValue(Asn1Tag.Sequence)) { System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn tmpOtherSource; System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(reader, out tmpOtherSource); decoded.OtherSource = tmpOtherSource; } else { throw new CryptographicException(); } }
internal static void Decode(AsnReader reader, out ECDomainParameters decoded) { if (reader == null) { throw new ArgumentNullException(nameof(reader)); } decoded = default; Asn1Tag tag = reader.PeekTag(); if (tag.HasSameClassAndValue(Asn1Tag.Sequence)) { System.Security.Cryptography.Asn1.SpecifiedECDomain tmpSpecified; System.Security.Cryptography.Asn1.SpecifiedECDomain.Decode(reader, out tmpSpecified); decoded.Specified = tmpSpecified; } else if (tag.HasSameClassAndValue(Asn1Tag.ObjectIdentifier)) { decoded.Named = reader.ReadObjectIdentifier(); } else { throw new CryptographicException(); } }
internal static void Decode(AsnReader reader, Asn1Tag expectedTag, out EdiPartyNameAsn decoded) { if (reader == null) { throw new ArgumentNullException(nameof(reader)); } decoded = default; AsnReader sequenceReader = reader.ReadSequence(expectedTag); AsnReader explicitReader; if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 0))) { explicitReader = sequenceReader.ReadSequence(new Asn1Tag(TagClass.ContextSpecific, 0)); System.Security.Cryptography.Asn1.DirectoryStringAsn tmpNameAssigner; System.Security.Cryptography.Asn1.DirectoryStringAsn.Decode(explicitReader, out tmpNameAssigner); decoded.NameAssigner = tmpNameAssigner; explicitReader.ThrowIfNotEmpty(); } explicitReader = sequenceReader.ReadSequence(new Asn1Tag(TagClass.ContextSpecific, 1)); System.Security.Cryptography.Asn1.DirectoryStringAsn.Decode(explicitReader, out decoded.PartyName); explicitReader.ThrowIfNotEmpty(); sequenceReader.ThrowIfNotEmpty(); }
internal static void Decode(AsnReader reader, Asn1Tag expectedTag, out Pbkdf2Params decoded) { if (reader == null) { throw new ArgumentNullException(nameof(reader)); } decoded = default; AsnReader sequenceReader = reader.ReadSequence(expectedTag); AsnReader defaultReader; System.Security.Cryptography.Asn1.Pbkdf2SaltChoice.Decode(sequenceReader, out decoded.Salt); if (!sequenceReader.TryReadInt32(out decoded.IterationCount)) { sequenceReader.ThrowIfNotEmpty(); } if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.Integer)) { if (sequenceReader.TryReadUInt8(out byte tmpKeyLength)) { decoded.KeyLength = tmpKeyLength; } else { sequenceReader.ThrowIfNotEmpty(); } } if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.Sequence)) { System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(sequenceReader, out decoded.Prf); } else { defaultReader = new AsnReader(s_defaultPrf, AsnEncodingRules.DER); System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(defaultReader, out decoded.Prf); } sequenceReader.ThrowIfNotEmpty(); }
internal static void Decode(AsnReader reader, Asn1Tag expectedTag, out SpecifiedECDomain decoded) { if (reader == null) { throw new ArgumentNullException(nameof(reader)); } decoded = default; AsnReader sequenceReader = reader.ReadSequence(expectedTag); if (!sequenceReader.TryReadUInt8(out decoded.Version)) { sequenceReader.ThrowIfNotEmpty(); } System.Security.Cryptography.Asn1.FieldID.Decode(sequenceReader, out decoded.FieldID); System.Security.Cryptography.Asn1.CurveAsn.Decode(sequenceReader, out decoded.Curve); if (sequenceReader.TryReadPrimitiveOctetStringBytes(out ReadOnlyMemory <byte> tmpBase)) { decoded.Base = tmpBase; } else { decoded.Base = sequenceReader.ReadOctetString(); } decoded.Order = sequenceReader.ReadIntegerBytes(); if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.Integer)) { decoded.Cofactor = sequenceReader.ReadIntegerBytes(); } if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.ObjectIdentifier)) { decoded.Hash = sequenceReader.ReadObjectIdentifier(); } sequenceReader.ThrowIfNotEmpty(); }
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()); }
internal static void Decode(AsnReader reader, Asn1Tag expectedTag, out PrivateKeyInfoAsn decoded) { if (reader == null) { throw new ArgumentNullException(nameof(reader)); } decoded = default; AsnReader sequenceReader = reader.ReadSequence(expectedTag); AsnReader collectionReader; if (!sequenceReader.TryReadUInt8(out decoded.Version)) { sequenceReader.ThrowIfNotEmpty(); } System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(sequenceReader, out decoded.PrivateKeyAlgorithm); if (sequenceReader.TryReadPrimitiveOctetStringBytes(out ReadOnlyMemory <byte> tmpPrivateKey)) { decoded.PrivateKey = tmpPrivateKey; } else { decoded.PrivateKey = sequenceReader.ReadOctetString(); } if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 0))) { // Decode SEQUENCE OF for Attributes { collectionReader = sequenceReader.ReadSetOf(new Asn1Tag(TagClass.ContextSpecific, 0)); var tmpList = new List <System.Security.Cryptography.Asn1.AttributeAsn>(); System.Security.Cryptography.Asn1.AttributeAsn tmpItem; while (collectionReader.HasData) { System.Security.Cryptography.Asn1.AttributeAsn.Decode(collectionReader, out tmpItem); tmpList.Add(tmpItem); } decoded.Attributes = tmpList.ToArray(); } } sequenceReader.ThrowIfNotEmpty(); }
internal static void Decode(AsnReader reader, Asn1Tag expectedTag, out CurveAsn decoded) { if (reader == null) { throw new ArgumentNullException(nameof(reader)); } decoded = default; AsnReader sequenceReader = reader.ReadSequence(expectedTag); if (sequenceReader.TryReadPrimitiveOctetStringBytes(out ReadOnlyMemory <byte> tmpA)) { decoded.A = tmpA; } else { decoded.A = sequenceReader.ReadOctetString(); } if (sequenceReader.TryReadPrimitiveOctetStringBytes(out ReadOnlyMemory <byte> tmpB)) { decoded.B = tmpB; } else { decoded.B = sequenceReader.ReadOctetString(); } if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.PrimitiveBitString)) { if (sequenceReader.TryReadPrimitiveBitStringValue(out _, out ReadOnlyMemory <byte> tmpSeed)) { decoded.Seed = tmpSeed; } else { decoded.Seed = sequenceReader.ReadBitString(out _); } } sequenceReader.ThrowIfNotEmpty(); }
internal static void Decode(AsnReader reader, Asn1Tag expectedTag, out X509ExtensionAsn decoded) { if (reader == null) { throw new ArgumentNullException(nameof(reader)); } decoded = default; AsnReader sequenceReader = reader.ReadSequence(expectedTag); AsnReader defaultReader; decoded.ExtnId = sequenceReader.ReadObjectIdentifier(); if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.Boolean)) { decoded.Critical = sequenceReader.ReadBoolean(); } else { defaultReader = new AsnReader(s_defaultCritical, AsnEncodingRules.DER); decoded.Critical = defaultReader.ReadBoolean(); } if (sequenceReader.TryReadPrimitiveOctetStringBytes(out ReadOnlyMemory <byte> tmpExtnValue)) { decoded.ExtnValue = tmpExtnValue; } else { decoded.ExtnValue = sequenceReader.ReadOctetString(); } sequenceReader.ThrowIfNotEmpty(); }
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(); } }
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(); }