name: PapaBear
type: kem
claimed-nist-level: 5
claimed-security: IND-CCA2
length-public-key: 1584 
length-ciphertext: 1697
length-secret-key: 40
length-shared-secret: 32
nistkat-sha256: 60212e4433ee326c375b00996e1f524b37a8a12fba16aa51c420315a20dbd708 
principal-submitters:
  - Mike Hamburg
implementations:
    - name: clean
      version: https://sourceforge.net/p/threebears/code/ci/f4ce0ebfc84a5e01a75bfc8297b6d175e993cfa4/