Symmetric
DES, 3DES, IDEA, AES, Blowfish, Twofish, RC4/5/6
DES & IDEA
64 bit blocks
AES
128/192/256 bit blocks
Blowfish
64 bit
Twofish
128 bit block
128/192/256 bit encryption key
RC4
Stream cipher using variable key size from 40 to 2048 bits. SSL and WEP
RSA - Asymmetric
key size 1024 to 4096 bits
ECC - Asymmetric
256 bit key. ECDH, ECDHE, ECDSA, use for mobile device as low power computing