AES: Types of candidate algorithms Feistel networks Modified Feistel Network Twofish ea LOKI97 RC6 E2 DFC Magenta MARS CAST-256 Substitution Others Linear Transformation Networks Frog HPC Rijndael Safer+ Serpent Crypton 1515 Feistel Networks Modified Feistel Network Substitution￾Linear Transformation Networks Others AES: Types of candidate algorithms Twofish E2 DFC Deal LOKI97 Magenta RC6 MARS CAST-256 Rijndael Serpent Safer+ Crypton Frog HPC