🛡️ A private certificate authority (X.509 & SSH) & ACME server for secure automated certificate management, so you can use TLS everywhere & SSO for SSH.
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Nov 10, 2026 - Go
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A native implementation of TLS in Javascript and tools to write crypto-based and network-heavy webapps
javascript tls cryptography crypto certificate aes cipher md5 pbkdf2 pkcs7 x509 asn1 hmac sha1 sha256 csr message-digest pkcs pkcs1 pkcs12
🧰 A zero trust swiss army knife for working with X509, OAuth, JWT, OATH OTP, etc.
tls ssh security oauth jwt cryptography encryption certificate jose x509 totp sso oath jwe jws mfa security-tools
CAUTION: END OF SUPPORT ON 14 AUG 2026. The 'jsrsasign' (RSA-Sign JavaScript Library) is an opensource free cryptography library supporting RSA/RSAPSS/ECDSA/DSA signing/validation, ASN.1, PKCS#1/5/8 private/public key, X.509 certificate, CRL, OCSP, CMS SignedData, TimeStamp, CAdES and JSON Web Signature/Token in pure JavaScript.
cms encryption certificate aes signature rsa sha2 x509 asn1 ecdsa sha1 timestamp crl decryption ocsp 3des dsa
Cryptography Toolkit
🔒 acmetool, an automatic certificate acquisition tool for ACME (Let's Encrypt)
X Certificate and Key management
Lightweight Certificate Transparency Log Monitor
🔐 A CLI tool to extract server certificates
java testing macos tls homebrew ssl certificate x509 testing-tools graalvm homebrew-tap graal-native graalvm-native-image
A miniature version of Boulder, Pebble is a small RFC 8555 ACME test server not suited for a production certificate authority.
OpenXPKI Code
Go-Guardian is a golang library that provides a simple, clean, and idiomatic way to create powerful modern API and web authentication.
go golang ldap authentication guardian auth x509 tokens passport totp hotp authenticator ldap-authentication golang-library bearer-tokens strategies 2fa certificate-authentication go-passport go-guardian
WebPKI X.509 Certificate Validation in Rust
PowerShell PKI Module
administration certificate powershell x509 pki certificate-authority adcs certificaterequest powershell-pki pspki
A dart package for many helper methods fitting common situations
dart dns http basic string date email domain x509 csr flutter dateutils string-utils colorutils common-utils domain-utils email-utils dns-utils http-utils
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