smallstep/certificates

Features

• Certificate Authorities - Provides a complete system for generating, signing, and managing digital certificates as a certificate authority.
• TLS Certificate Management - Automates the issuance of X.509 certificates to establish a private public key infrastructure.
• PKI Management - Provides a complete system for managing private public key infrastructure and automating X.509 certificate lifecycles.
• ACME Implementations - Implements the ACMEv2 protocol to automate the issuance and renewal of certificates using standard challenge types.
• ACME Server Implementations - Hosts a full ACMEv2 compliant server to provide automated HTTPS certificate issuance for clients.
• Automated Certificate Management Systems - Provides a comprehensive system for automating the issuance, renewal, and revocation of TLS and mTLS certificates.
• Client Certificate Generators - Generates private keys and signed certificates with support for custom validity periods and identity names.
• User Certificates - Generates short-lived user certificates to replace static authorized keys files.
• Certificate Automation Protocols - Implements standardized challenge-response mechanisms for automated certificate issuance and renewal via the ACME protocol.
• Certificate Issuance Policies - Defines issuance policies and manages administrative access to govern the criteria for granting certificates.
• Certificate Issuance Utilities - Provides tools for issuing and renewing certificates via an ACMEv2 compliant server.
• Ephemeral Certificate Issuance - Rotates short-lived SSH certificates tied to identity providers to eliminate manual key management.
• Identity-Based Issuance - Generates short-lived user certificates based on successful authentication from integrated identity providers.
• Certificate Lifecycle Management - Provides a CLI to manage the full certificate lifecycle, including issuance, renewal, and revocation.
• Certificate Lifecycle Managers - Manages the end-to-end enrollment, renewal, and revocation of certificates via a background agent.
• Certificate Renewal Managers - Updates expiring certificates and provides mechanisms to invalidate active certificates to maintain security.
• Certificate Revocations - Invalidates active certificates via serial number or key pair to prevent further use of compromised credentials.
• Cluster Communication Security - Implements mutual TLS and SSH certificates to encrypt and authenticate communication between workloads.
• SSL/TLS Certificate Management - Provides comprehensive tools for creating, revoking, and bundling TLS certificates for network security.
• Device Approval Workflows - Tracks approved devices and hardware identifiers to serve as the basis for access policies.
• Hardware Identity Attestations - Binds cryptographic keys to physical device silicon or TPMs to prevent credential exfiltration.
• Device Identity Management - Uses cryptographic attestation and challenges to ensure only authorized devices receive certificates.
• External Identity Provider Integration - Authorizes certificate requests using tokens or identity documents from external third-party providers.
• Device Access Policies - Tracks company-owned devices to ensure only authorized hardware can access resources.
• Device Registration Services - Adds devices to the inventory through self-registration or bulk administrative uploads.
• Mutual TLS Authentication - Enforces secure resource access by requiring mutual identity verification via TLS and hardware-bound certificates.
• Hardware Key Binding - Restricts access by binding cryptographic keys directly to device silicon to prevent credential exfiltration.
• Identity Issuance - Assigns unique cryptographic identities to non-human entities to secure their access.
• Identity-Based SSH Access - Replaces static SSH keys with short-lived certificates tied to identity providers for secure remote shell access.
• Identity Federation Providers - Integrates with external identity providers to authorize certificate requests using OIDC, JWK, or cloud tokens.
• Identity Provider Integrations - Integrates with authorization providers to handle user authentication and single sign-on flows.
• Intermediate Certificate Authorities - Operates online intermediate authorities to delegate signing power and minimize the exposure of root keys.
• Machine Identity - Assigns and rotates cryptographic identities for non-human workloads to secure access without static secrets.
• Enrollment Management - Invites specific users to join a team for manual device enrollment and approval.
• Automated Certificate Management - Automates the generation and renewal of both TLS and SSH certificates for users, devices, and workloads.
• OIDC Identity Integrations - Integrates OpenID Connect to map identity provider tokens to certificate issuance and network access policies.
• PKI Automation - Provides automated provisioning of authorities and provisioners to handle the digital certificate lifecycle.
• Policy Enforcement Engines - Validates requested certificate subjects and names against defined security and compliance rules before signing.
• Certificate Trust Managers - Automates the installation of root certificates into system trust stores to establish a trusted chain.
• Certificate Revocation - Invalidates active certificates to prevent their use before the scheduled expiration date.
• Host Certificates - Issues certificates that identify hosts to validate authenticity and replace static host keys.
• SSH Key Management - Replaces static SSH keys with short-lived certificates for users and hosts to eliminate manual key updates.
• Provisioning Logic Plugins - Decouples identity verification from certificate signing by using interchangeable logic for different enrollment protocols.
• Command-Line Toolsets - Provides a dedicated command-line toolset for operating PKI and certificate issuance.
• Kubernetes Deployments - Handles the issuance and lifecycle management of certificates within Kubernetes clusters.
• Hardware Security Module Integrations - Integrates with hardware security modules and cloud KMS to provide secure, hardware-backed signing operations for keys.
• ACME Implementations - Provides an ACMEv2 compliant server for automated HTTPS certificate issuance and renewal.
• Certificate Field Templates - Defines custom subject alternative names and restrictions using conditional templates.
• Certificate Installers - Automates the installation of host certificates during system startup via scripts.
• SSHPOP Management - Renews or revokes host certificates by authenticating with the existing certificate via SSHPOP.
• Certificate Template Engines - Uses conditional logic and defined fields to dynamically generate certificates with custom extensions and names.
• Certificate Template Logic - Configures certificates with custom extensions and conditional logic to meet specific requirements.
• Cloud Authentication Integrations - Verifies workload identity using cloud-provider instance documents to authorize certificate issuance.
• Certificate Injection - Delivers TLS certificates into containers to secure inter-service communication without requiring manual configuration.
• ACME Validation Strategies - Verifies control over hostnames or devices using standard HTTP, DNS, or hardware attestation challenges.
• User-to-Device Binding - Ties user logins and certificates to approved physical machines to ensure only authorized hardware is used.
• Revocation List Management - Maintains comprehensive lists of revoked certificates to ensure compromised keys are no longer trusted.
• Device-Bound Restrictions - Ensures sensitive data is only accessible from trusted, company-managed devices using hardware-backed restrictions.
• Service Account Authenticators - Authenticates certificate requests using Kubernetes service account tokens within a cluster.
• Certificate Issuance Auditing - Records detailed logs of API requests to track and audit certificate lifecycle events.
• Multi-Protocol Enrollment - Verifies identities using multiple protocols including ACME, SCEP, and OpenID before issuing certificates.
• SSO Device Enrollment - Allows users to self-enroll devices into the company inventory using their single sign-on identity.
• MDM Certificate Deployment - Pushes client certificates to managed devices using dynamic enrollment protocols via MDM.
• Mutual TLS Implementations - Implements mutual TLS to encrypt and authenticate communication between services and devices across distributed infrastructure.
• Registration Authorities - Acts as a front-end interface for certificate requests while delegating actual signing to an external authority.
• Resource Access Control - Defines access configurations to regulate how network resources like Wi-Fi and VPNs are accessed.
• SCEP Implementations - Signs and renews certificates using the SCEP protocol for network equipment and mobile devices.
• SCEP Implementations - Implements a SCEP server to sign and renew certificates for network equipment and mobile device management.
• External Trust Bootstrapping - Establishes trust by creating subordinate authorities to issue leaf certificates from an existing root.
• Kubernetes Orchestration - Streamlines the issuance and renewal of certificates specifically for Kubernetes clusters to ensure secure service communication.
• Token Authentication - Authenticates certificate requests using short-lived JWK tokens to enable programmatic issuance.
• Cheat Sheets - Listed in the “Cheat Sheets” section of the The Book Of Secret Knowledge awesome list.
• Identity Management - Private certificate authority for automated certificate management.
• Identity Tools - Private certificate authority for automated certificate management.

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