Comparison of sequence cipher and block cipher

The block cipher has a certain size as the base unit for each processing, while the sequence cipher is an element (a letter or a
BITS) as a basic processing unit. A sequence cipher is an encrypted transformation that changes over time and has a conversion speed
The advantages of fast and low error propagation, the hardware implementation of the circuit is more simple, the disadvantage is: low diffusion (meaning confusion is not enough), plug
The non-sensitivity of the entry and modification. The block cipher uses a fixed transformation that does not change over time, has the advantages of good diffusion >, insert Sensitivity, and its disadvantage is that the encryption and decryption processing speed is slow and there is error propagation. Serial ciphers involve large
The theoretical knowledge of quantity, put forward a lot of design principles, also got extensive analysis, but many research results did not completely
Public, perhaps because the serial cipher is currently used primarily in the secret sectors of military and foreign affairs. At present, the public
The sequence cipher algorithm mainly has RC4, seal and so on.

Comparison of sequence cipher and block cipher