---
name: "ecdsasign"
section: "1"
platform: "linux"
package: "ecdsautils"
version: "0.4.2-2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/ecdsasign"
---

# ecdsasign(1)

ECDSA document signing

## NAME

ecdsasign - ECDSA document signing

## SYNOPSIS

**ecdsasign document.txt \< filewithsecret** \[*-s*\] \[*-p*\] \[*-h*\]

## DESCRIPTION

ecdsautils reads the secret from stdin and signs a single document passed as an argument. The document is changed in that the signature is added at the bottom of the file, separated by a dashed line. Multiple individuals can sign a single document. display this short help and exit

## SEE ALSO

The full documentation for **ecdsakeygen** is in the source at https://github.com/tcatm/ecdsautils

## AUTHOR

Nils Schneider