Group signature with deniability: how to disavow a signature
A Ishida, K Emura, G Hanaoka, Y Sakai… - Cryptology and Network …, 2016 - Springer
Group signatures are a class of digital signatures with enhanced privacy. By using this type
of signature, a user can sign a message on behalf of a specific group without revealing his
identity, but in the case of a dispute, an authority can expose the identity of the signer.
However, it is not always the case that we need to know the specific identity of the signature.
In this paper, we propose the notion of deniable group signature, where the authority can
issue a proof showing that the specified user is NOT the signer of the signature, without …
of signature, a user can sign a message on behalf of a specific group without revealing his
identity, but in the case of a dispute, an authority can expose the identity of the signer.
However, it is not always the case that we need to know the specific identity of the signature.
In this paper, we propose the notion of deniable group signature, where the authority can
issue a proof showing that the specified user is NOT the signer of the signature, without …
Group signature with deniability: How to disavow a signature
A Ishida, K Emura, G Hanaoka, Y Sakai… - … on Fundamentals of …, 2017 - search.ieice.org
Group signatures are a class of digital signatures with enhanced privacy. By using this type
of signature, a user can sign a message on behalf of a specific group without revealing his
identity, but in the case of a dispute, an authority can expose the identity of the signer.
However, it is not always the case that we need to know the specific identity of a signature. In
this paper, we propose the notion of deniable group signatures, where the authority can
issue a proof showing that the specified user is NOT the signer of a signature, without …
of signature, a user can sign a message on behalf of a specific group without revealing his
identity, but in the case of a dispute, an authority can expose the identity of the signer.
However, it is not always the case that we need to know the specific identity of a signature. In
this paper, we propose the notion of deniable group signatures, where the authority can
issue a proof showing that the specified user is NOT the signer of a signature, without …
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