Terms you'll need to understand:
Public Key Infrastructure (PKI)
Certificate Authority (CA)
X.509
Public Key Infrastructure based on X.509 certificates (PKIX)
Public Key Cryptography Standards (PKCS)
Secure Sockets Layer (SSL)
Transport Layer Security (TLS)
Internet Security Associate and Key Management Protocol (ISAKMP)
Certificate Management Protocol (CMP)
XML Key Management Specification (XKMS)
Secure Multipurpose Internet Mail Extensions (S/MIME)
Pretty Good Privacy (PGP)
Hypertext Transfer Protocol over Secure Sockets Layer (HTTPS)
Internet Protocol Security (IPSec)
Certificate Enrollment Protocol (CEP)
Federal Information Processing Standard (FIPS)
Common Criteria (CC)
Wireless Transport Layer Security (WTLS)
Wired Equivalent Privacy (WEP)
ISO 17799
Key management
Certificate lifecycle
Techniques you'll need to master:
Understanding the basic security features and operational concepts involved with digital certificates
Recognizing and understanding the essential standards and protocols associated with a Public Key Infrastructure (PKI)
Understanding the concepts involved in key management and the digital certificate lifecycle