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Protecting the integrity of a sequence of images

Research output: Contribution to Journal/MagazineJournal articlepeer-review

<mark>Journal publication date</mark>11/09/1997
<mark>Journal</mark>Electronics Letters
Issue number19
Number of pages2
Pages (from-to)16-17
Publication StatusPublished
<mark>Original language</mark>English


A cryptographic protocol is proposed to address a problem of data integrity, namely the certification of digital images so that they can be regarded as evidence for legal purposes. The protocol uses public key techniques and works by chaining together images from different sources in a digital signature scheme. It protects against manipulation of images either by a single party or by collaboration between one party and the certifying authority.