typescript 9 authentication 6 oauth 6 nodejs 6 api-security 5 auth 5 security 5 oauth2 5 authorization 5 nextjs 4 single-sign-on 4 sso 4 permissions 4 2fa 4 mfa 4 identity-management 4 multi-tenant 4 email-verification 4 access-control 4 rbac 4 role-based-access-control 4 federated-identity 3 email-auth 3 saml2 3 saml 3 openid-connect 3 oidc 3 openid 3 magic-link 3 passwordless 3 api-keys 3 sessions 3 session-management 3 webauthn 3 fido2 3 passkeys 3 two-factor-auth 3 multi-factor-auth 3 totp 3 acl 3 otp 3 abac 3 soc2 3 hipaa 3 gdpr 3 compliance 3 audit-log 3 user-management 3 team-management 3 organization 3 multitenancy 3 enterprise-auth 3 next-auth 3 enterprise 3 saas-auth 3 saas 3 kitium 3 kitiumai 3 node 3 backend 3 server-side 3 identity 3 identity-provider 3 iam 3 middleware 3 react 2 rate-limiting 2 storage-backend 2 storage-adapter 2 jwt 2 database 2 database-adapter 2 encryption 2 high-performance 2 self-hosted 2 integrations 2 scalable 2 connection-pool 2 kitium-auth 2 @kitiumai/auth 2 session-store 2 user-store 2 data-encryption 2 encryption-at-rest 2 secure-storage 2 token-storage 2 credential-storage 2 adapter-pattern 2 plugin 2 integration 2 production-ready 2 persistence 2 data-layer 2 repository 2 transaction-support 2 fastify 2 schema 2 migration 2 authentication-flow 1 json-storage 1