Improved Identity-Based Signcryption

@incollection{citeulike:2754563, abstract = {Identity-based cryptography is form of public-key cryptography that does not require users to pre-compute key pairs and obtain certificates for their public keys. Instead, public keys can be arbitrary identifiers such as email addresses. This means that the corresponding private keys are derived, at any time, by a trusted private key generator. The idea of signcryption is to provide a method to encrypt and sign data together in a way that is more efficient than using an encryption scheme combined with a signature scheme. We present an identity-based signcryption solution that we believe is the most efficient, provably-secure scheme of its type proposed to date. Our scheme admits proofs of security in the random oracle model under the bilinear Diffie-Hellman assumption using the definitions proposed by Boyen.}, author = {Chen, Liqun and Malone-Lee, John }, citeulike-article-id = {2754563}, journal = {Public Key Cryptography - PKC 2005}, keywords = {a1}, pages = {362--379}, posted-at = {2008-05-04 23:07:43}, priority = {2}, title = {Improved Identity-Based Signcryption}, url = {http://www.springerlink.com/content/0ymbtfvqhtmcxvul }, year = {2005} }

TY - CHAP ID - citeulike:2754563 L3 - citeulike-article-id:2754563 N2 - Identity-based cryptography is form of public-key cryptography that does not require users to pre-compute key pairs and obtain certificates for their public keys. Instead, public keys can be arbitrary identifiers such as email addresses. This means that the corresponding private keys are derived, at any time, by a trusted private key generator. The idea of signcryption is to provide a method to encrypt and sign data together in a way that is more efficient than using an encryption scheme combined with a signature scheme. We present an identity-based signcryption solution that we believe is the most efficient, provably-secure scheme of its type proposed to date. Our scheme admits proofs of security in the random oracle model under the bilinear Diffie-Hellman assumption using the definitions proposed by Boyen. JF - Public Key Cryptography - PKC 2005 EP - 379 TI - Improved Identity-Based Signcryption SP - 362 KW - a1 AU - Chen, Liqun AU - Malone-Lee, John PY - 2005/// UR - http://www.springerlink.com/content/0ymbtfvqhtmcxvul ER -