DES/TRIPE (3DES) – Data encryption standard - Bloco 64 bits / chave – 56/112/168 bits
AES – Advance encryption standard ---------------- Bloco 128 bits / chave 128 – 192 - 256 bits
RIJNDEAL – Mesmo que AES --------------------------- Bloco – 32 bits / chave 128 – 256 bits
IDEA – International data encryption algorithm ----- Bloco – 16 bits / chave - 128 bits
BLOWFISH – --------------------------------------------------Bloco – 64 bits / chave –32 - 448 bits
TOWFISH – ---------------------------------------------------Bloco - 128 bits / chave – 128 - 192 – 256 bits
RC2 – Prof. Ron Rivest ----------------------------------- Bloco - 64 bits / chave - 8 – 1024
RC4 -------------------------------------------------------------Bloco - 2064 bits / chave - 40 a 2048 bits
RC5 -------------------------------------------------------------Bloco - 32 – 64 – 128 bits / chave - 0 a 2040
RC6 -------------------------------------------------------------Bloco - 128 bits / chaves – 128 – 192 – 256 bits
CAST ------------------------------------------------------------Bloco – 128 – 160 – 192 bits / chaves – 224 – 256 bits