Available from Information Security Magazine
CertAgent is a self-contained, and easy-to-use Certificate Authority. With separate web-based enrollment and administration interfaces, it allows you to issue X.509 certificates to your employees and business partners, maintaining them in an integrated, externally accessible LDAP repository. (RSA and DH/DSA as well as NIST and NSA SUITE B-complaint ECC key types are all supported.)
Certificates and CRLs issued by CertAgent comply with all relevant Federal and industry standards and can be used with hundreds of existing applications for the protection of e-mail, authentication of users and web servers, etc.