Abstract: Cloud data outsourcing is all about services over the internet when we access the services, security is a major concern. The main aspect in the use of any cloud services is data security, confidentiality and integrity. Cloud computing provides a virtual environment to the user to access computing power or resources (e.g., Storage, application, server, services and network) that exceed what we have within our physical world. Once the user uses the virtual cloud environment after that cloud user must transfer any data through the cloud. As far as security is a concern, data encryption is one way to protect our data before outsourcing. With the combination of a convenient asymmetric and symmetric encryption scheme, strategy is developed. Using hybrid key generation scheme data transfer can be done and secure encryption is achieved. For the decryption algorithm the users public key is required and applied in digital signature algorithm. As soon as recovery of symmetric key is complete, it is ready to use for decrypting the message. Various benefits can be provided by using combination of encryption methods. Connection can be establish between among two users with the improved encryption technique and that will be more secured. Communication can be done between users with this hybrid key Algorithm. The encryption process can be slow down using symmetric encryption but simultaneously using asymmetric encryption, both forms of encryption can be enhanced. Thus in the data encryption or decryption, key management is also the challenging issue.
Sumit Chaudhary, Neeraj Kumar Pandey and Narendra Kumar Joshi, 2018. Enhancement of Digital Signature Using Hybrid Key Generation Scheme in Cloud. Journal of Engineering and Applied Sciences, 13: 2057-2061.