An Anonymous Multi-Receiver Encryption Based on RSA

Provided by: International Journal of Network Security
Topic: Security
Format: PDF
With the rapid development of information and network technologies, communication security has become an important issue in many applications. There are many public-key based encryption schemes proposed in the literature. Network applications are no longer just one-to-one type of communication; but it involves multiple receivers (>1) (e.g., multicast transmission). One-to-one type encryption is no longer satisfying this type of applications. Ghodosi et al. proposed a threshold RSA cryptosystem in 1996. Their scheme is also called a multi-receiver encryption. In Ghodosi et al.'s scheme, each receiver's decryption key depends on all public keys of receivers. When the number of receivers is large, Ghodosi et al.'s scheme becomes impractical.

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