DOKK / manpages / debian 12 / ecdsautils / ecdsaverify.1.en

ecdsaverify - ECDSA verification

ecdsaverify [-s signature] [-p pubkey] [-n num] file

ecdsaverify takes a file that was signed and decides if that signatures was possibly created with a particular public key. The signature may be provided at the bottom of the file already or it is passed via the -s attribute.

signature, particularly useful for binary files to pass separately
public key

The full documentation for ecdsakeygen is in the source at

Nils Schneider

June 2014 ECDSA Utils