Abstract
Biomedical industries produce an enormous amount of medical data day by day which requires a huge storage space and processing power. Cloud computing provides enough space to store this huge amount of data. Cloud computing technology offers the required scalability with computing power through cloud service providers. In this scenario, medical data sharing in the form of images securely is very important in bio-medical industries. The cloud facilitates a better platform for sharing crucial data between the physicians and patients. Hence, data integrity and authenticity are a challenging issue today in cloud while sharing these medical images through the Internet. For overcoming these issues, we propose a modified digital signature scheme that ensures data integrity and authenticity of the biomedical image. Here, the third-party auditor checks the shared medical image whether it is damaged or modified by applying the proposed digital signature scheme. Moreover, an existing Adler32 hash function is used for creating a digital signature with 8 bits and the proposed digital signature scheme provides 16 bits of output signature which is better than the existing digital signatures. Finally, the proposed scheme proved its efficiency by conducting various experiments.
Published Version
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