Generic Security Service API : C-bindings. - John Wray (RFC, 1993)

Jonah: Experience Implementing PKIX Reference Freeware. - Mary Ellen Zurko; John Wray; Ian Morrison; Mike Shanzer; Mike Crane; Pat Booth; Ellen McDermott; Warren Macek; Ann Graham; Jim Wade; Tom Sandlin (USENIX Security Symposium, 1999)

Generic Security Service API Version 2 : C-bindings. - John Wray (RFC, 2000)