internal static void Decode(ref AsnValueReader reader, ReadOnlyMemory <byte> rebind, out RecipientInfoAsn decoded) { decoded = default; Asn1Tag tag = reader.PeekTag(); if (tag.HasSameClassAndValue(Asn1Tag.Sequence)) { KeyTransRecipientInfoAsn tmpKtri; KeyTransRecipientInfoAsn.Decode(ref reader, rebind, out tmpKtri); decoded.Ktri = tmpKtri; } else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 1))) { KeyAgreeRecipientInfoAsn tmpKari; KeyAgreeRecipientInfoAsn.Decode(ref reader, new Asn1Tag(TagClass.ContextSpecific, 1), rebind, out tmpKari); decoded.Kari = tmpKari; } else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 2))) { KEKRecipientInfoAsn kekRecipientInfo; KEKRecipientInfoAsn.Decode(ref reader, new Asn1Tag(TagClass.ContextSpecific, 2), rebind, out kekRecipientInfo); decoded.KrecipientInfo = kekRecipientInfo; } else { throw new CryptographicException(); } }
internal static void Decode(ref AsnValueReader reader, Asn1Tag expectedTag, ReadOnlyMemory <byte> rebind, out KEKRecipientInfoAsn decoded) { decoded = default; KEKIdentifierAsn kekIdentifier; AlgorithmIdentifierAsn algIdentifier; AsnValueReader sequenceReader = reader.ReadSequence(expectedTag); int version; if (sequenceReader.TryReadInt32(out version)) { decoded.Version = version; } KEKIdentifierAsn.Decode(ref sequenceReader, Asn1Tag.Sequence, rebind, out kekIdentifier); AlgorithmIdentifierAsn.Decode(ref sequenceReader, Asn1Tag.Sequence, rebind, out algIdentifier); var encryptedKey = sequenceReader.ReadOctetString(); decoded.KEKId = kekIdentifier; decoded.KeyEncryptionAlg = algIdentifier; decoded.EncryptedKey = encryptedKey; }