<PackageReference Include="BouncyCastle.Cryptography" Version="2.3.0" />

IssuerKeyId

using Org.BouncyCastle.Crypto.Utilities; namespace Org.BouncyCastle.Bcpg.Sig { public class IssuerKeyId : SignatureSubpacket { public long KeyId => (long)Pack.BE_To_UInt64(data); protected static byte[] KeyIdToBytes(long keyId) { return Pack.UInt64_To_BE((ulong)keyId); } public IssuerKeyId(bool critical, bool isLongLength, byte[] data) : base(SignatureSubpacketTag.IssuerKeyId, critical, isLongLength, data) { } public IssuerKeyId(bool critical, long keyId) : base(SignatureSubpacketTag.IssuerKeyId, critical, false, KeyIdToBytes(keyId)) { } } }