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readme: Fix a typo and note "threshold"

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Daan Sprenkels
2017-07-06 11:47:10 +08:00
parent 629d71f65a
commit c7188dae6e
1 changed files with 3 additions and 3 deletions
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README.md
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@@ -4,8 +4,8 @@
`sss` is a library that exposes an API to split secret data buffers into
a number of different _shares_. With the posession of some or all of these
shares, the original secret can be restored. It's essentially a *double-key*
system, but then cryptograpically.
shares, the original secret can be restored. It is the schoolbook example of
a cryptographic _threshold scheme_.
An example use case is a beer brewery which has a vault which conains their
precious super secret recipe. The 5 board members of this brewery do not trust
@@ -80,7 +80,7 @@ I have currently written bindings for the following languages:
Shamir secret sharing works by generating a polynomial (e.g. _33x³ + 8x² + 29x +
42_). The lowest term is the term is the secret and is just filled in. All the
other terms are generated randomly. Then we can pick points on the polynomial
by filling in values for _x_. Each point is put in a share. Afterwards,with _k_
by filling in values for _x_. Each point is put in a share. Afterwards, with _k_
points we can use interpolation to restore a _k_-degree polynomial.
In practice there is a wrapper around the secret-sharing part (this is