The problem of multi-user commitment is one in which multiple users first commit to
individual messages with a bookmaker and later reveal their messages. The objective of the …

Noisy channels are valuable resources for cryptography, enabling information-theoretically
secure protocols for cryptographic primitives like bit commitment and oblivious transfer …

We study commitment scheme for classical-quantum channels. To accomplish this we define
various notions of commitment capacity for these channels and prove matching upper and …

Consider a commitment protocol between two parties, Alice and Bob, in which Alice may (i)
commit to a message using a non-redundant discrete memoryless channel whose outputs …

Commitment is a classic two-phase cryptographic protocol. Here a committer encrypts a
string and sends it to the receiver in the commit phase. The string is then revealed in the …