S/MIME - Answers Secure/Multipurpose Internet Mail Extension
SSL - Answers Secure Sockets Layer
TLS - Answers Transport Layer Security
HTTPS - Answers HTTP over SSL
IPv4 - Answers Internet Protocol version 4
IPv6 - Answers Internet Protocol version 6
MIME - Answers Multipurpose Internet Mail Extensions
RFC 822 - Answers Request for Comments 822
ASCII - Answers American Standard Code for Information Interchange
SHA-256 - Answers Secure Hash Algorithm 256-bit
RSA - Answers Rivest-Shamir-Adleman
DSA - Answers Digital Signature Algorithm
Digital Signature - Answers A cryptographic signature used to verify the authenticity and integrity of a
message
Message Digest - Answers A fixed-length code generated from a message using a hash function
Enveloped Data - Answers Encrypted message with a secret key
AES - Answers Advanced Encryption Standard
Pseudorandom Key - Answers A key generated by an algorithm that appears random but is actually
deterministic
Cipher Suite - Answers A set of cryptographic algorithms used in a TLS connection
Alert Protocol - Answers A protocol used in TLS to signal error conditions
Handshake Protocol - Answers A protocol used in TLS to establish a secure connection
Heartbeat Protocol - Answers A protocol used in TLS to monitor the availability of a connection
IPsec - Answers IP Security