Anonymous credentials (ACs) are a powerful cryptographic tool for the secure use of digital
services, when simultaneously aiming for strong privacy guarantees of users combined with …

The Trusted Platform Module (TPM) is an international standard for a security chip that can
be used for the management of cryptographic keys and for remote attestation. The …

WebAuthn, forming part of FIDO2, is a W3C standard for strong authentication, which
employs digital signatures to authenticate web users whilst preserving their privacy. Owned …

Direct Anonymous Attestation (Daa) is a set of cryptographic schemes used to create
anonymous digital signatures. To provide additional assurance, Daa schemes can utilise a …

Various sources have revealed that cryptographic standards and components have been
subverted to undermine the security of users, reigniting research on means to achieve …

Direct Anonymous Attestation (DAA) is an anonymous signature scheme, which allows the
Trusted Platform Module (TPM), a small chip embedded in a host computer, to attest to the …

Currently standardized Direct Anonymous Attestation (DAA) schemes have their security
based on the factoring and the discrete logarithm problems, and are therefore insecure …

An anonymous single sign-on (ASSO) scheme allows users to access multiple services
anonymously using one credential. We propose a new ASSO scheme, where users can …

Authentication is a key aspect of digital security. However, users must authenticate
frequently and are often asked to reveal more information than neccessary in the process …

Die digitale Welt findet immer mehr Einzug in das Leben und Wirken der Menschen. Dabei
fordern sowohl das soziale Umfeld als auch das Arbeitsumfeld immer mehr Teilhabe an der …