Proxy Re-encryption Systems for Identity-based Encryption

Toshihiko Matsuo

Paper 2007/361

Proxy Re-encryption Systems for Identity-based Encryption

Toshihiko Matsuo

Abstract

A proxy re-encryption system allows the proxy to transform ciphertexts encrypted under Alice's public key into the different ciphertexts that can be decrypted by Bob's secret key. In this paper, we propose new proxy re-encryption systems; one for the transformation from ciphertexts encrypted under a traditional certificate-based public key into the ciphertexts that can be decrypted by an secret key for Identity-Based Encryption, and the other one for the transformation from ciphertexts encrypted in IBE manner into the different ciphertexts that can be decrypted by the other secret key for the IBE.

Metadata

Available format(s): PDF
Category: Public-key cryptography
Publication info: Published elsewhere. In Proceedings of Pairing-Based Cryptography - Pairing 2007, Lecture Notes in Computer Science, LNCS 4575, pages 247-267. Springer-Verlag, 2007.
Keywords: ID-based encryption proxy re-encryption
Contact author(s): matsuotsh @ nttdata co jp
History: 2007-09-13: received
Short URL: https://ia.cr/2007/361
License: CC BY

BibTeX

@misc{cryptoeprint:2007/361,
      author = {Toshihiko Matsuo},
      title = {Proxy Re-encryption Systems for Identity-based Encryption},
      howpublished = {Cryptology {ePrint} Archive, Paper 2007/361},
      year = {2007},
      url = {https://eprint.iacr.org/2007/361}
}