METHOD FOR PROBABILISTIC DIGITAL SIGNATURES

摘要

The invention concerns a method for probabilistic signatures of a message, between a signatory and a verifier, from an algorithm based on the calculation of a discrete logarithm. The invention is characterised in that it consists: for the signatory, in generating at least two signatures for the same non-hash coded message, said signatures being calculated by the algorithm with common public and private parameters using respectively different random variables, and for the verifier, in verifying all the signatures of said message.