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Volume 19 Issue 2

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Article Navigation > Chinese Journal of Electronics > 2010 > 19(2): 313-318

SUN Yinxia and ZHANG Futai. Secure Certi¯cateless Encryption with ShortCiphertext[J]. Chinese Journal of Electronics, 2010, 19(2): 313-318.

Citation:

SUN Yinxia and ZHANG Futai. Secure Certi¯cateless Encryption with ShortCiphertext[J]. Chinese Journal of Electronics, 2010, 19(2): 313-318.

SUN Yinxia and ZHANG Futai. Secure Certi¯cateless Encryption with ShortCiphertext[J]. Chinese Journal of Electronics, 2010, 19(2): 313-318.

Citation:

SUN Yinxia and ZHANG Futai. Secure Certi¯cateless Encryption with ShortCiphertext[J]. Chinese Journal of Electronics, 2010, 19(2): 313-318.

Secure Certi¯cateless Encryption with ShortCiphertext

SUN Yinxia and ZHANG Futai

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2010-04-05

Abstract

Certi¯cateless public key cryptography was
introduced to solve the key escrow problem in identity
based cryptography while enjoying the most attractive cer-
ti¯cateless property. In this paper, we present a secure
Certi¯cateless encryption (CLE) scheme with short cipher-
text. The ciphertext length is at least jmj-bit (the length
of a plaintext) shorter than the existing CLE schemes
while retaining similar e±ciency of computation. The new
scheme is provably secure against adaptive chosen cipher-
text attacks in the random oracle model.
- Certi¯cateless encryption,
- Short cipher-text,
- Bilinear pairing,
- Random oracle,
- Gap-BDH problem,
- Twinning technique.

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沈阳化工大学材料科学与工程学院沈阳 110142

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