Tools to make secret sharing easier


Gfsecret is a set of tools to facilitate secret sharing according to the Adi Shamir’s secret sharing scheme.

Two tools are provided: gfsec-split will split a file into several shares, and gfsec-use will reconstruct the original file from some of the shares. Both tools use the concept of a share URI, which is a way of describing a share with a URI-like syntax. The gfsec-split program uses them to know where to dispatch the generated shares, and gfsec-use uses them to know where to search for shares in order to reconstruct the original file.

The package also provide a script wrapper around gfsec-split: gfsec-split-gpg to facilitate splitting your GnuPG private primary key which can be combine with gfsec-use.

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Install gfsecret