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Encrypt realm data with dek which is encrypted with kek. The signing keys are also encrypted with the kek.

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This commit is contained in:
eelke 2026-02-26 16:53:02 +01:00
parent 644b005f2a
commit 650fe99990
36 changed files with 399 additions and 129 deletions
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38
IdentityShroud.Core/Db.cs
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@ -1,5 +1,7 @@
using IdentityShroud.Core.Model;
using IdentityShroud.Core.Security;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
@ -19,7 +21,41 @@ public class Db(
public virtual DbSet<Client> Clients { get; set; }
public virtual DbSet<Realm> Realms { get; set; }
public virtual DbSet<RealmKey> Keys { get; set; }
public virtual DbSet<RealmDek> Deks { get; set; }
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
var dekIdConverter = new ValueConverter<DekId, Guid>(
id => id.Id,
guid => new DekId(guid));
var kekIdConverter = new ValueConverter<KekId, Guid>(
id => id.Id,
guid => new KekId(guid));
modelBuilder.Entity<RealmDek>()
.Property(d => d.Id)
.HasConversion(dekIdConverter);
modelBuilder.Entity<RealmDek>()
.OwnsOne(d => d.KeyData, keyData =>
{
keyData.Property(k => k.KekId).HasConversion(kekIdConverter);
});
modelBuilder.Entity<RealmKey>()
.OwnsOne(k => k.Key, key =>
{
key.Property(k => k.KekId).HasConversion(kekIdConverter);
});
modelBuilder.Entity<ClientSecret>()
.OwnsOne(c => c.Secret, secret =>
{
secret.Property(s => s.DekId).HasConversion(dekIdConverter);
});
}
protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
{
optionsBuilder.UseNpgsql("<connection string>");