Implement V2 registration support

Author: dani-garcia

.typos.toml

@@ -15,6 +15,7 @@ extend-ignore-re = [
     "(?i)helo_name",
     "Server name sent during.+HELO",
     # COSE Is short for CBOR Object Signing and Encryption, ignore these specific items
+    "COSE",
     "COSEKey",
     "COSEAlgorithm",
     # Ignore this specific string as it's valid

Cargo.toml

@@ -106,7 +106,7 @@ serde = { version = "1.0.229", features = ["derive"] }
 serde_json = "1.0.151"
 
 # A safe, extensible ORM and Query builder
-diesel = { version = "2.3.11", features = ["chrono", "r2d2", "numeric"] }
+diesel = { version = "2.3.11", features = ["chrono", "r2d2", "numeric", "64-column-tables"] }
 diesel_migrations = "2.3.2"
 
 derive_more = { version = "2.1.1", features = [

migrations/mysql/2026-08-01-120000_user_crypto_v2/down.sql

@@ -0,0 +1,6 @@
+DROP TABLE IF EXISTS user_signature_key_pairs;
+
+ALTER TABLE users DROP COLUMN signed_public_key;
+ALTER TABLE users DROP COLUMN security_state;
+ALTER TABLE users DROP COLUMN security_version;
+ALTER TABLE users DROP COLUMN v2_upgrade_token;

migrations/mysql/2026-08-01-120000_user_crypto_v2/up.sql

@@ -0,0 +1,17 @@
+ALTER TABLE users ADD COLUMN signed_public_key TEXT;
+ALTER TABLE users ADD COLUMN security_state TEXT;
+ALTER TABLE users ADD COLUMN security_version INTEGER;
+ALTER TABLE users ADD COLUMN v2_upgrade_token TEXT;
+
+DROP TABLE IF EXISTS user_signature_key_pairs;
+
+CREATE TABLE user_signature_key_pairs (
+    uuid                CHAR(36) NOT NULL PRIMARY KEY,
+    user_uuid           CHAR(36) NOT NULL UNIQUE,
+    signature_algorithm INTEGER  NOT NULL, -- 0 = ed25519, 1 = mldsa44
+    signing_key         TEXT     NOT NULL,
+    verifying_key       TEXT     NOT NULL,
+    created_at          DATETIME NOT NULL,
+    updated_at          DATETIME NOT NULL,
+    FOREIGN KEY (user_uuid) REFERENCES users (uuid) ON DELETE CASCADE
+);

migrations/postgresql/2026-08-01-120000_user_crypto_v2/down.sql

@@ -0,0 +1,6 @@
+DROP TABLE IF EXISTS user_signature_key_pairs;
+
+ALTER TABLE users DROP COLUMN signed_public_key;
+ALTER TABLE users DROP COLUMN security_state;
+ALTER TABLE users DROP COLUMN security_version;
+ALTER TABLE users DROP COLUMN v2_upgrade_token;

migrations/postgresql/2026-08-01-120000_user_crypto_v2/up.sql

@@ -0,0 +1,16 @@
+ALTER TABLE users ADD COLUMN signed_public_key TEXT;
+ALTER TABLE users ADD COLUMN security_state TEXT;
+ALTER TABLE users ADD COLUMN security_version INTEGER;
+ALTER TABLE users ADD COLUMN v2_upgrade_token TEXT;
+
+DROP TABLE IF EXISTS user_signature_key_pairs;
+
+CREATE TABLE user_signature_key_pairs (
+    uuid                CHAR(36) NOT NULL PRIMARY KEY,
+    user_uuid           CHAR(36) NOT NULL UNIQUE REFERENCES users (uuid) ON DELETE CASCADE,
+    signature_algorithm INTEGER  NOT NULL, -- 0 = ed25519, 1 = mldsa44
+    signing_key         TEXT     NOT NULL,
+    verifying_key       TEXT     NOT NULL,
+    created_at          TIMESTAMP NOT NULL,
+    updated_at          TIMESTAMP NOT NULL
+);

migrations/sqlite/2026-08-01-120000_user_crypto_v2/down.sql

@@ -0,0 +1,6 @@
+DROP TABLE IF EXISTS user_signature_key_pairs;
+
+ALTER TABLE users DROP COLUMN signed_public_key;
+ALTER TABLE users DROP COLUMN security_state;
+ALTER TABLE users DROP COLUMN security_version;
+ALTER TABLE users DROP COLUMN v2_upgrade_token;

migrations/sqlite/2026-08-01-120000_user_crypto_v2/up.sql

@@ -0,0 +1,16 @@
+ALTER TABLE users ADD COLUMN signed_public_key TEXT;
+ALTER TABLE users ADD COLUMN security_state TEXT;
+ALTER TABLE users ADD COLUMN security_version INTEGER;
+ALTER TABLE users ADD COLUMN v2_upgrade_token TEXT;
+
+DROP TABLE IF EXISTS user_signature_key_pairs;
+
+CREATE TABLE user_signature_key_pairs (
+    uuid                TEXT     NOT NULL PRIMARY KEY,
+    user_uuid           TEXT     NOT NULL UNIQUE REFERENCES users (uuid) ON DELETE CASCADE,
+    signature_algorithm INTEGER  NOT NULL, -- 0 = ed25519, 1 = mldsa44
+    signing_key         TEXT     NOT NULL,
+    verifying_key       TEXT     NOT NULL,
+    created_at          DATETIME NOT NULL,
+    updated_at          DATETIME NOT NULL
+);