diff options
| -rw-r--r-- | src/include/taler_crypto_lib.h | 36 |
1 files changed, 32 insertions, 4 deletions
diff --git a/src/include/taler_crypto_lib.h b/src/include/taler_crypto_lib.h index aee2be555..d594d689d 100644 --- a/src/include/taler_crypto_lib.h +++ b/src/include/taler_crypto_lib.h @@ -5069,7 +5069,15 @@ struct TALER_AgeCommitment }; -// FIXME-oec: document! +/** + * @brief Proof for a particular age commitment, used in age attestation + * + * This struct is used in a call to TALER_age_commitment_attest to create an + * attestation for a minimum age (if that minimum age is less or equal to the + * commited age for this proof). It consists of a list private keys, one per + * age group, for which the commited age is either lager or within that + * particular group. + */ struct TALER_AgeProof { /** @@ -5094,12 +5102,32 @@ struct TALER_AgeProof }; -// FIXME-oec: document! +/** + * @brief Commitment and Proof for a maximum age + * + * Calling TALER_age_restriction_commit on an (maximum) age value returns this + * data structure. It consists of the proof, which is used to create + * attestations for compatible minimum ages, and the commitment, which is used + * to verify the attestations and derived commitments. + * + * The hash value of the commitment is bound to a particular coin with age + * restriction. + */ struct TALER_AgeCommitmentProof { - // FIXME-oec: document! + /** + * The commitment is used to verify a particular attestation. Its hash value + * is bound to a particular coin with age restriction. This structure is + * sent to the merchant in order to verify a particular attestation for a + * minimum age. + * In itself, it does not convey any information about the maximum age that + * went into the call to TALER_age_restriction_commit. + */ struct TALER_AgeCommitment commitment; - // FIXME-oec: document! + + /** + * The proof is used to create an attestation for a (compatible) minimum age. + */ struct TALER_AgeProof proof; }; |