What are the differences between these encryption algorithms?

Question

What are the difference between MCRYPT_RIJNDAEL_128, MCRYPT_RIJNDAEL_256, MCRYPT_BLOWFISH, etc. Which one is best suitable for data trans

Answer 1

RSA is an Asymmetric encryption algorithm and maximum Key length 2048 for proposed year 2030 AES is a Symmetric algorithm with maximum key size 256 bit for proposed year 2015 a Serpent encryption algorithm is also symmetric algorithm with key size 256 and proposed year 2015.