SPKI/SDSI: A 1999 alternative to X.509 and PGPhttp://crypto.stackexchange.com/questions/790/need-an-introduction-to-spki-or-spki-for-dummies?answertab=active#tab-top by teabee89 • 12 years ago 7 0 12 years agoCRcrypto.stackexchange.com