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step is a command-line toolkit published by Smallstep that consolidates certificate, token, and key-management operations into a single binary, positioning itself as a “Swiss-army knife” for modern PKI workflows. The application specializes in creating, inspecting, and automating X.509 certificates, JSON Web Tokens, and associated cryptographic artifacts, making it relevant to the Security / Encryption Software category. System administrators use step to bootstrap internal certificate authorities, rotate TLS credentials in containerized environments, and enforce mutual TLS between microservices, while developers embed its sub-commands in CI pipelines to obtain short-lived certificates or to validate SAML and OAuth OIDC assertions during single sign-on integration. The 0.30.2 release, the twenty-first version since the project’s inception, continues to refine support for FIDO U2F and OATH OTP multi-factor authentication, JWE encryption, and NaCl box primitives, allowing operators to script end-to-end authenticated encryption without additional tooling. By exposing a coherent CLI surface for tasks that traditionally required OpenSSL, jq, and custom scripts, step reduces the attack surface inherent in manual certificate handling and accelerates the adoption of zero-trust network patterns inside Kubernetes, IoT fleets, and on-premise data centers alike. The software is available for free on get.nero.com, with downloads provided via trusted Windows package sources (e.g. winget), always delivering the latest version, and supporting batch installation of multiple applications.
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