package okapi.security.v1

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Blind an oberon token

• bytes token = 1

  raw token bytes

• repeated bytes blinding = 2

  blinding to apply to the token

Contains the blinded token reply

• bytes token = 1

  raw blinded token bytes

Create an Oberon Compatible Secret Key

• bytes seed = 1

  optional seed to generate deterministic keys

Contains the oberon secret key bytes

• bytes sk = 2

  raw secret key bytes

• bytes pk = 3

  raw public key bytes

Create a proof that holder knows the token

• bytes data = 1

  data used to create the token

• bytes token = 2

  token data

• repeated bytes blinding = 3

  any blindings used to create the token

• bytes nonce = 4

  nonce for generating the proof

Contains the token proof

• bytes proof = 2

  raw proof bytes

Create a new oberon token

• bytes sk = 1

  raw BLS key bytes

• bytes data = 2

  data is the public part of the oberon protocol and can be any data

• repeated bytes blinding = 3

  optional blinding for the token

Contains the token with optional blinding

• bytes token = 1

  raw token bytes

UnBlind an oberon token

• bytes token = 1

  raw token bytes

• repeated bytes blinding = 2

  blinding to remove from the token

Contains the unblinded token reply

• bytes token = 1

  raw unblinded token bytes

Verify the presented proof is valid

• bytes proof = 1

  raw proof bytes returned from CreateProof

• bytes data = 2

  data used to create the token

• bytes nonce = 3

  nonce used to generate the proof

• bytes pk = 4

  public key that was used to generate the token

Contains the status of the proof validation

• bool valid = 1

  whether the given proof was valid

Verify that an oberon token comes from the desired issuer

• bytes token = 1

  raw token bytes

• bytes pk = 2

  token is valid to this public key?

• bytes data = 3

  public part of oberon protocol - can be any data

Contains the verification result for the oberon token

• bool valid = 1

  token is valid to the public key