4 files changed, 38 insertions, 9 deletions
diff --git a/packages/backend/src/models/Instance.ts b/packages/backend/src/models/Instance.ts
index 17cd5c6665..f2f2831cf1 100644
--- a/packages/backend/src/models/Instance.ts
+++ b/packages/backend/src/models/Instance.ts
@@ -158,4 +158,9 @@ export class MiInstance {
 		length: 16384, default: '',
 	})
 	public moderationNote: string;
+
+	@Column('varchar', {
+		length: 16, default: '00', nullable: false,
+	})
+	public httpMessageSignaturesImplementationLevel: string;
 }
diff --git a/packages/backend/src/models/UserKeypair.ts b/packages/backend/src/models/UserKeypair.ts
index f5252d126c..afa74ef11a 100644
--- a/packages/backend/src/models/UserKeypair.ts
+++ b/packages/backend/src/models/UserKeypair.ts
@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { PrimaryColumn, Entity, JoinColumn, Column, OneToOne } from 'typeorm';
+import { PrimaryColumn, Entity, JoinColumn, Column, ManyToOne } from 'typeorm';
 import { id } from './util/id.js';
 import { MiUser } from './User.js';
 
@@ -12,22 +12,42 @@ export class MiUserKeypair {
 	@PrimaryColumn(id())
 	public userId: MiUser['id'];
 
-	@OneToOne(type => MiUser, {
+	@ManyToOne(type => MiUser, {
 		onDelete: 'CASCADE',
 	})
 	@JoinColumn()
 	public user: MiUser | null;
 
+	/**
+	 * RSA public key
+	 */
 	@Column('varchar', {
 		length: 4096,
 	})
 	public publicKey: string;
 
+	/**
+	 * RSA private key
+	 */
 	@Column('varchar', {
 		length: 4096,
 	})
 	public privateKey: string;
 
+	@Column('varchar', {
+		length: 128,
+		nullable: true,
+		default: null,
+	})
+	public ed25519PublicKey: string | null;
+
+	@Column('varchar', {
+		length: 128,
+		nullable: true,
+		default: null,
+	})
+	public ed25519PrivateKey: string | null;
+
 	constructor(data: Partial<MiUserKeypair>) {
 		if (data == null) return;
 
diff --git a/packages/backend/src/models/UserPublickey.ts b/packages/backend/src/models/UserPublickey.ts
index 6bcd785304..0ecff2bcbe 100644
--- a/packages/backend/src/models/UserPublickey.ts
+++ b/packages/backend/src/models/UserPublickey.ts
@@ -9,7 +9,13 @@ import { MiUser } from './User.js';
 
 @Entity('user_publickey')
 export class MiUserPublickey {
-	@PrimaryColumn(id())
+	@PrimaryColumn('varchar', {
+		length: 256,
+	})
+	public keyId: string;
+
+	@Index()
+	@Column(id())
 	public userId: MiUser['id'];
 
 	@OneToOne(type => MiUser, {
@@ -18,12 +24,6 @@ export class MiUserPublickey {
 	@JoinColumn()
 	public user: MiUser | null;
 
-	@Index({ unique: true })
-	@Column('varchar', {
-		length: 256,
-	})
-	public keyId: string;
-
 	@Column('varchar', {
 		length: 4096,
 	})
diff --git a/packages/backend/src/models/json-schema/federation-instance.ts b/packages/backend/src/models/json-schema/federation-instance.ts
index ed40d405c6..c02e7f557a 100644
--- a/packages/backend/src/models/json-schema/federation-instance.ts
+++ b/packages/backend/src/models/json-schema/federation-instance.ts
@@ -116,5 +116,9 @@ export const packedFederationInstanceSchema = {
 			type: 'string',
 			optional: true, nullable: true,
 		},
+		httpMessageSignaturesImplementationLevel: {
+			type: 'string',
+			optional: false, nullable: false,
+		},
 	},
 } as const;