Digital fingerprint

Digital fingerprint may refer to:


 * Message digest, the output of a one-way function when applied to a stream of data
 * Public key fingerprint, short sequence of bytes used to identify a longer public key
 * Fingerprint (computing)
 * Acoustic fingerprint, a condensed digital summary generated from an audio signal
 * Device fingerprint, a compact summary of software and hardware settings collected from a remote device, for example a computer or a web browser
 * Digital video fingerprinting, a technique to summarize characteristic components of a video recording
 * TCP/IP stack fingerprinting, the remote detection of the characteristics of a TCP/IP stack
 * Content ID, a Google technology used on YouTube to identify content protected by copyright