cryptosystem
suite of cryptographic algorithms needed to implement a particular security service
elliptic curve cryptography
approach to public-key cryptography based on the algebraic structure of elliptic curves over finite fields
Strong cryptography
Term applied to cryptographic systems that are highly resistant to cryptanalysis.
symmetric-key algorithm
cryptosystem that uses one key
CEILIDH
public key cryptosystem
Elliptic Curve Digital Signature Algorithm
cryptographic algorithm for digital signatures
Edwards-curve Digital Signature Algorithm
digital signature scheme
opportunistic encryption
system that, when connecting to another system, attempts to encrypt the communications channel, otherwise falling back to unencrypted communications
public-key cryptography
cryptosystem that uses both public and private keys
DRYAD
US paper cryptographic system