5 citations · 14 across the 9 of their papers we have counts for
9 papers
Prefix Puncturable Signatures with Smaller Signing Key from HIBS
Masayuki Tezuka, Keisuke Tanaka
Puncturable signatures, proposed by Bellare et al. (EUROCRYPT 2016), allow a signing key to be punctured (updated) so that it loses the ability to sign particular messages while re…
Public Key Encryption with Equality Test from Tag-Based Encryption
Masayuki Tezuka, Keisuke Tanaka
Public key encryption with equality test (PKEET), proposed by Yang et al. (CT-RSA 2010), is a variant of public key encryption that enables an equality test to determine whether tw…
Ordered Multi-Signatures with Public-Key Aggregation from SXDH Assumption
Masayuki Tezuka, Keisuke Tanaka
An ordered multi-signature scheme allows multiple signers to sign a common message in a sequential manner and allows anyone to verify the signing order of signers with a public-key…
1-out-of-n Oblivious Signatures: Security Revisited and a Generic Construction with an Efficient Communication Cost
Masayuki Tezuka, Keisuke Tanaka
1-out-of-n oblivious signature by Chen (ESORIC 1994) is a protocol between the user and the signer. In this scheme, the user makes a list of n messages and chooses the message that…
Pointcheval-Sanders Signature-Based Synchronized Aggregate Signature
Masayuki Tezuka, Keisuke Tanaka
Synchronized aggregate signature is a special type of signature that all signers have a synchronized time period and allows aggregating signatures which are generated in the same p…
A t-out-of-n Redactable Signature Scheme
Masayuki Tezuka, Xiangyu Su, Keisuke Tanaka
A redactable signature scheme allows removing parts of a signed message without invalidating the signature. Currently, the need to prove the validity of digital documents issued by…
Redactable Signature with Compactness from Set-Commitment
Masayuki Tezuka, Keisuke Tanaka
Redactable signature allows anyone to remove parts of a signed message without invalidating the signature. The need to prove the validity of digital documents issued by governments…
Improved Security Proof for the Camenisch-Lysyanskaya Signature-Based Synchronized Aggregate Signature Scheme
Masayuki Tezuka, Keisuke Tanaka
The Camenisch-Lysyanskaya signature scheme in CRYPTO 2004 is a useful building block to construct privacy-preserving schemes such as anonymous credentials, group signatures or ring…
Weakened Random Oracle Models with Target Prefix
Masayuki Tezuka, Yusuke Yoshida, Keisuke Tanaka
Weakened random oracle models (WROMs) are variants of the random oracle model (ROM). The WROMs have the random oracle and the additional oracle which breaks some property of a hash…