[Doc] eSignet-Thunder: Update the FAQs in the docs - #2499
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Signed-off-by: mdhumair.kankudti <mdhumair.kankudti@infosys.com>
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WalkthroughAdded a comprehensive eSignet FAQ that covers capabilities, security standards, architecture, setup, authentication, integrations, key management, partner onboarding, verifiable credentials, and monitoring. ChangeseSignet FAQ
Estimated code review effort: 2 (Simple) | ~10 minutes Merge Risk: 🟠 High · up to The FAQ’s Redis example uses an invalid TLS setting and effectively guides operators toward disabled transport encryption for shared session data. This can prevent deployments from starting or expose sensitive traffic, so the documentation should be corrected before merge. Poem
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Full details: Docstring CoverageExplanation No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0 files. (1 skipped: 1 unsupported.) ✨ Finishing Touches 💡 1🛠️ Fix failing CI checks 💡
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Inline comments:
In `@docs/faq.md`:
- Line 158: Update the fenced code blocks in the FAQ examples to include
suitable language identifiers: use text for the block near the first reported
location, dotenv for the blocks near the next two locations, and http for the
block near the final location, while preserving their contents.
- Line 297: Update the local-development configuration guidance in the FAQ to
limit environment-variable overrides to YAML values explicitly using
${ENV_VAR_NAME} placeholders, and avoid claiming that literal values such as
server.port, issuer, or token expiries can be overridden unless the documented
mechanism supports them.
- Line 253: Update the ThunderID version reference in the FAQ to the complete
pseudo-version v0.0.0-20260822180739-64f1aa911649, including its commit suffix,
while preserving the surrounding links and guidance.
- Line 472: Update the FAQ’s OIDC client-registration description around the
referenced authentication flow to match the route’s bearer-token scope
middleware, removing the claim that the API directly reads a partner
certificate. Clarify the certificate’s actual role—mTLS, bearer-token
acquisition, or MOSIP onboarding only—and keep the related statements at lines
458 and 472 consistent.
- Line 417: Update the Redis configuration example to replace the invalid
tlsEnabled key with tls, setting it to true for remote or production Redis and
documenting false only for isolated local development.
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Signed-off-by: mdhumair.kankudti <mdhumair.kankudti@infosys.com>
Signed-off-by: mdhumair.kankudti <mdhumair.kankudti@infosys.com>
Signed-off-by: mdhumair.kankudti <mdhumair.kankudti@infosys.com>
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| **How scalable is eSignet? Can it handle a significant increase in user volume?** |
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We should add a reference link to performance report and calculator. Connect with @rachik-hue for the links
| The current eSignet implementation is written in **Go 1.26** and embeds the **[ThunderID](https://github.com/thunder-id/thunderid)** engine for OAuth 2.1 / OpenID Connect protocol handling. Key technologies include: | ||
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| | Layer | Technology | | ||
| |---|---| | ||
| | Backend | Go 1.26, single binary | | ||
| | Authorization engine | [ThunderID](https://github.com/thunder-id/thunderid) (Go module) | | ||
| | Database | PostgreSQL 14+ | | ||
| | Session / flow store | Redis 6.0+ | | ||
| | Key storage | PKCS#11 (HSM / [SoftHSM2](https://www.opendnssec.org/softhsm/)) or PKCS#12 (file-based) | | ||
| | Frontend | React 19, TypeScript, Vite 8, Tailwind CSS v4 | | ||
| | Observability | [Prometheus](https://prometheus.io/) metrics endpoint | |
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We should simply give the link to technology stack md file.
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| **What are the core features of eSignet?** | ||
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| eSignet offers user-friendly identity verification, flexible login options, and multiple secure authentication methods including OTP, biometrics, wallet-based, password, and knowledge-based authentication. It integrates with existing identity databases for eKYC compliance, supports multiple languages, and enforces explicit user consent before sharing personal information. The Go implementation adds FAPI 2.0 compliance, encrypted token responses, Prometheus metrics, and a declarative YAML-based flow configuration. |
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Kindly remove "wallet-based"
| - **Declarative authentication flows:** Authentication logic is defined as YAML flow graphs (`data/flows/*.yaml`) and interpreted at runtime — no code changes required to modify the login flow. | ||
| - **Multiple pluggable identity backends:** MOSIP IDA (OTP + KYC), [SunbirdRC](https://github.com/Sunbird-RC/sunbird-rc-core) KBI, and a mock backend for development/testing. | ||
| - **Embedded key manager:** Automatic key hierarchy provisioning (`ROOT`, `OIDC_SERVICE`, `OIDC_PARTNER`) with support for PKCS#11 HSMs and PKCS#12 file keystores. | ||
| - **User centricity:** Single identity credential access across services, mandatory user consent, and multiple authentication methods. Sensitive inputs are cleared between retries via the `ClearInputs` executor. |
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"Sensitive inputs are cleared between retries via the ClearInputs executor." -- not necessary to mention.
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| **What is ThunderID and how does it relate to eSignet?** | ||
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| [ThunderID](https://github.com/thunder-id/thunderid) is an open-source Go-based OAuth 2.1 / OpenID Connect engine that eSignet embeds as a Go module dependency. It handles all protocol endpoints (authorize, token, JWKS, discovery, introspect, userinfo, revocation, PAR, DPoP, etc.) and the flow execution engine. |
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Lets remove revocation from this list.
| - `dpop_bound_access_tokens: true` — rejects any token request from this client that does not include a valid `DPoP` proof header. | ||
| - `clientAuthMethods: ["private_key_jwt"]` — the client authenticates at the token endpoint using a signed JWT rather than a shared secret. | ||
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| Refer to the [Postman collection](https://github.com/mosip/esignet/tree/main/postman-collection) (folder "FAPI 2.0") in the repository for a working example. |
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link should refer to "master" branch not to "main"
| ## Architecture | ||
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| **How is the Go-based eSignet structured?** | ||
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| ```text | ||
| esignet-service/ | ||
| cmd/esignet/main.go # Entrypoint: wires all providers and starts the HTTP server | ||
| internal/ | ||
| clientmgmt/ # OAuth/OIDC client registry (PostgreSQL) | ||
| consentmgmt/ # Consent records and audit history (PostgreSQL) | ||
| engine/ | ||
| mosip/ # MOSIP IDA authenticator (OTP + KYC) | ||
| sunbird/ # SunbirdRC KBI authenticator | ||
| mock/ # Mock authenticator for development | ||
| executors/ # Custom flow executors: OTP, AuthorizationCheck, ClearInputs | ||
| runtimestores/ # Redis-backed or in-memory flow/session stores | ||
| keymanager/ # Key lifecycle, PKCS#11/PKCS#12, certificate management | ||
| security/ # Bearer-token scope enforcement, JWKS cache | ||
| metrics/ # Prometheus metrics | ||
| data/ | ||
| deployment.yaml # All runtime configuration (env-var expanded) | ||
| flows/ # Declarative YAML authentication flow definitions | ||
| i18n/, themes/ # UI internationalization and theming assets | ||
| oidc-ui/ # React 19 login UI | ||
| ``` | ||
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| The [ThunderID](https://github.com/thunder-id/thunderid) engine is embedded as a Go module; `main.go` calls `thunderidengine.New(mux, ...options)` and all standard protocol endpoints are registered automatically. | ||
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For the project structure point to eSignet-service readme file
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| | Language / runtime | Java 11 / Spring Boot | Go 1.26, single binary | | ||
| | Protocol logic | Internal Java services | Delegated to [ThunderID](https://github.com/thunder-id/thunderid) engine | | ||
| | Key management | External MOSIP keymanager microservice | Embedded Go keymanager (PKCS#11 / PKCS#12) | |
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In Java also we used embedded key manager written in Java.
| | Authentication flow | Hard-coded Java controllers | Declarative YAML flow graphs | | ||
| | Database access | Spring Data JPA / Hibernate | Raw SQL via `pgx/v5` + `sqlc` | | ||
| | Metrics | Spring Actuator / Micrometer | [Prometheus](https://prometheus.io/) endpoint | | ||
| | Session store | Spring Session / Redis | Redis via `go-redis/v9` or in-memory | |
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In both java and go - it is same redis or in-memory
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| **How does key management work in the Go version?** | ||
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| eSignet embeds a Go key manager (`internal/keymanager`) that automatically provisions a three-level key hierarchy on first startup: |
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It is 2 level key hierarchy.
| - `OIDC_SERVICE` — the signing key for ID tokens and JWKS | ||
| - `OIDC_PARTNER` — per-partner signing/encryption keys | ||
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| Two backends are supported, selected at build time: |
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Two key storages are supported, and its selected at the runtime:
| | Executor | Purpose | | ||
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| | `eSignetOtpExecutor` | Dispatches OTP via the selected IDA backend (MOSIP, SunbirdRC, mock) | | ||
| | `AuthorizationExecutor` | Validates the OIDC client and requested scopes | |
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Remove the AuthorizationExecutor from this list. As this feature will not be published in the release notes.
| **Can you provide examples of successful integrations with potential partners?** | ||
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| eSignet has been integrated or is in active integration across several domains: | ||
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| - **Health Management:** Integration complete with OTP and biometric-based authentication for seamless access to health services. | ||
| - **SuperApp Integration:** Multi-service SuperApp integration for registration, login, and enhanced eKYC. | ||
| - **Insurance Portal:** Integration using secure authentication with quick access to insurance services; uses [SunbirdRC](https://github.com/Sunbird-RC/sunbird-rc-core) KBI for knowledge-based identification. | ||
| - **University Authentication:** Face authentication of students and staff for access to exams, hostel assignments, and meal identification. | ||
| - **Government and Private Services:** MOSIP brownfield implementation with eSignet authenticating users across government and private services. | ||
| - **Self-Service Portal for Benefits Delivery:** Integration with [OpenG2P](https://www.openg2p.org/) for resident authentication via National ID and benefits registration. |
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Let's remove this section ?
@rachik-hue do we need this section?
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We can remove this FAQ. @anushasunkada @Md-Humair-KK
| Yes. A `docker-compose/` directory is provided with a `docker-compose.yaml` that spins up PostgreSQL and Redis. Refer to the [README](https://github.com/mosip/esignet) at the repository root for step-by-step local setup instructions including building the PKCS#12 (dev) binary. | ||
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Yes. A docker-compose/directory is provided with adocker-compose.yaml that spins up PostgreSQL and Redis. Refer to the [README](https://github.com/mosip/esignet) at the repository root for step-by-step local setup instructions.
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| **How to configure password authentication in the Go version?** | ||
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| Password authentication is enabled by including the ACR value `mosip:idp:acr:password` in the `authContextRefs` array when creating or updating a client via the `/client-mgmt/oidc-client` API. |
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lets only mention /client-mgmt/client API
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| Password authentication is enabled by including the ACR value `mosip:idp:acr:password` in the `authContextRefs` array when creating or updating a client via the `/client-mgmt/oidc-client` API. | ||
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| In `deployment.yaml`, ensure the `password` authentication mode is listed in the flow definition and that the MOSIP IDA (or mock) backend is configured to accept password credentials. No separate ACR-AMR mapping file is required — the mapping is handled within the YAML flow graph (`flow-esignet.yaml`). Refer to the [eSignet API documentation](https://docs.esignet.io) for the full client registration payload schema. |
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This statement is little confusing @Md-Humair-KK,
one is pwd ACR should be registered and other point should be that integrated ID system must support PWD based authentication.
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| The React-based `oidc-ui` uses [ISO 639-1](https://www.iso.org/iso-639-language-codes.html) language codes for localization. To add a new language: | ||
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| 1. Go to `oidc-ui/public/locales/`. |
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There are no locales folder under "oidc-ui/public" @Md-Humair-KK
All the locales are defined under "https://github.com/mosip/esignet/tree/develop-go/esignet-service/data/i18n"
| ```dotenv | ||
| # Quality score thresholds (0–100) | ||
| VITE_SBI_FACE_CAPTURE_SCORE=70 | ||
| VITE_SBI_FINGER_CAPTURE_SCORE=70 | ||
| VITE_SBI_IRIS_CAPTURE_SCORE=70 | ||
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| # Number of biometric subtypes to capture | ||
| VITE_SBI_FACE_CAPTURE_COUNT=1 | ||
| VITE_SBI_FINGER_CAPTURE_COUNT=1 | ||
| VITE_SBI_IRIS_CAPTURE_COUNT=1 | ||
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| # Timeouts in seconds | ||
| VITE_SBI_CAPTURE_TIMEOUT=30 | ||
| VITE_SBI_DINFO_TIMEOUT=30 | ||
| VITE_SBI_DISC_TIMEOUT=30 | ||
| ``` |
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where are these variables defined in oidc-ui?
| CAPTCHA configuration in the Go version is set in `deployment.yaml`. Three providers are supported: | ||
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| ```yaml | ||
| captcha: | ||
| required: true | ||
| provider: "recaptcha" # Options: recaptcha | turnstile | hcaptcha | ||
| siteKey: "${CAPTCHA_SITE_KEY}" | ||
| secretKey: "${CAPTCHA_SECRET_KEY}" | ||
| ``` |
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This is incorrect @Md-Humair-KK
We do not have captcha configuration in deployment.yaml
It is defined in flow-signet.yaml
Check .env.example file for the exact env key names.
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| **How to configure Redis for session storage?** |
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Lets not mention as "session" instead call it as "OIDC transaction".
| tls: true # set to false only for isolated local development; always true for production | ||
| ``` | ||
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| For single-instance development setups, Redis can be replaced with the in-memory runtime store by setting `runtimeStore.type: memory` in `deployment.yaml`. This setting is not suitable for production as state is lost on restart. |
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MOSIP_ESIGNET_CACHE_TYPE=inmemory
| To use a hardware HSM or [SoftHSM2](https://www.opendnssec.org/softhsm/) in production: | ||
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| 1. Build the binary with the `pkcs11` build tag: `go build -tags pkcs11 ./cmd/esignet`. | ||
| 2. Configure the PKCS#11 provider in `deployment.yaml`: | ||
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| ```yaml | ||
| keymanager: | ||
| backend: pkcs11 | ||
| pkcs11: | ||
| library: "/usr/lib/softhsm/libsofthsm2.so" | ||
| tokenLabel: "esignet" | ||
| pin: "${HSM_PIN}" | ||
| ``` | ||
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| For development without HSM, use the default PKCS#12 (file-based) backend: | ||
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| ```yaml | ||
| keymanager: | ||
| backend: pkcs12 | ||
| pkcs12: | ||
| path: "/etc/esignet/keystore.p12" | ||
| password: "${KEYSTORE_PASSWORD}" | ||
| ``` |
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This is incorrect, key storage setup is runtime not build time. correct the configuration keys.
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