Advantages and disadvantages of Stream versus Block Ciphers
Jan 14, 2011 · Encryption algorithms such as Blowfish,AES,RC4,DES and Seal are implemented in one of two categories of ciphers. What are the advantages/disadvantages to the type of …
compliance - Why are CHACHA20 TLS ciphers not compliant with …
Dec 14, 2024 · Since I got an edit stating that AES-CTR, AES-OFB etc. are NIST-approved stream ciphers: CTR and OFB are modes of operations for a block cipher that make it behave …
How to choose a stream cipher - Information Security Stack …
Are there high-speed ciphers designed for things like internet streams without sacrificing security? There are so many options that operate in stream mode. How would one choose a cipher?
encryption - Does the terms stream and block ciphers apply to …
Dec 15, 2017 · Stream and block ciphers are usually used with symmetric keys. This is for performance reasons as public-key cryptography is much more expensive. That said, public …
Using AES as a Stream Cipher - Information Security Stack Exchange
Aug 11, 2014 · Because of this, I'm thinking I can increase throughput by using AES as a stream cipher. The solution I came up with is simply to use the key to encrypt a message of all 0's …
key generation - Information Security Stack Exchange
Feb 10, 2022 · As Robert's comment points out, you wouldn't be able to decrypt it! Functionally, the purpose of a stream cipher is to stretch a small bit of random data (the key) to an arbitrary …
What type of cipher is RSA? - Information Security Stack Exchange
Jan 25, 2011 · Is RSA a stream cipher or a block cipher?RSA is the acronym/initialism of three cryptographers Ron Rivest, Adi Shamir, and Len Adleman who founded a security company of …
What are some examples of a block cipher's versatility over a …
Most stream ciphers are blocks ciphers with some sort of operation mode being used to tweak the encryption of the "next" block. Frequently data from the previous block is used to alter the …
Can hash functions be used with CTR or OFB mode?
The point of block and stream ciphers is to increase the strength of encryption protocols when data is supposed to be decrypted. If you use a hash method then you can't decrypt the data as …
Can I use streaming decryption by every algorithm?
Nov 18, 2017 · Some modes of operation can make block ciphers act as stream ciphers. Typically this is done by having a mode of operation that creates a deterministic random data stream …