Advantage of elliptic curve cryptography
Answers
Answer:
Elliptical curve cryptography is a method of encoding data files so that only specific individuals can decode them. ECC is based on the mathematics of elliptic curves and uses the location of points on an elliptic curve to encrypt and decrypt information. ECC affords efficient implementation of wireless security features, such as secure electronic mail and Web browsing but has some disadvantages when compared with other cryptography techniques.
Step-by-step explanation:
Advantages
ECC employs a relatively short encryption key -- a value that must be fed into the encryption algorithm to decode an encrypted message. This short key is faster and requires less computing power than other first-generation encryption public key algorithms. For example, a 160-bit ECC encryption key provides the same security as a 1024-bit RSA encryption key and can be up to 15 times faster, depending on the platform on which it is implemented. RSA is a first-generation public-key cryptography technique invented by Ronald Rivest, Adi Shamir and Leonard Adleman in the late 70s. Both RSA and ECC are in widespread use. The advantages of ECC over RSA are particularly important in wireless devices, where computing power, memory and battery life are limited.
Disadvantages
One of the main disadvantages of ECC is that it increases the size of the encrypted message significantly more than RSA encryption. Furthermore, the ECC algorithm is more complex and more difficult to implement than RSA, which increases the likelihood of implementation errors, thereby reducing the security of the algorithm.
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