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Digital Signature For Text File | ||
| Journal of Al-Qadisiyah for Computer Science and Mathematics | ||
| Article 1, Volume 2, Issue 2, 2010, Pages 1-10 PDF (0 K) | ||
| Author | ||
| Ayad Ibrahim Abdulsada | ||
| Abstract | ||
| Digital signatures are used to detect unauthorized modifications to data and to authenticate the identity of the signatory. In addition, the recipient of signed data can use a digital signature as evidence in demonstrating to a third party that the signature was, in fact, generated by the claimed signatory. This is known as non-repudiation, since the signatory cannot easily repudiate the signature at a later time. In this paper, an algorithm for signing text file has been presented. The famous RSA public key algorithm and SHA-l(Secure Hash Algorithm) hash function are used to generate the digital signature of a text file. Our algorithm consist of two parts: signature generation and signature verification. Many experiments tested to examine the security of the presented work. | ||
| Keywords | ||
| Computer security; Digital signatures; Public key cryptography; Hash functions | ||
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