Shamir's Secret Sharing

wikipedia:Shamir's Secret Sharing

sops --help
   --shamir-secret-sharing-threshold value  the number of master keys required to retrieve the data key with shamir (default: 0)

vault status
Key             Value
---             -----
Seal Type       shamir
Initialized     true

• Shamir backup

See also

• Adi Shamir, RSA, Shamir's Secret Sharing