diff options
Diffstat (limited to 'src/mint/mint.h')
-rw-r--r-- | src/mint/mint.h | 192 |
1 files changed, 188 insertions, 4 deletions
diff --git a/src/mint/mint.h b/src/mint/mint.h index 644a9d292..39dda7d5f 100644 --- a/src/mint/mint.h +++ b/src/mint/mint.h @@ -13,14 +13,15 @@ You should have received a copy of the GNU General Public License along with TALER; see the file COPYING. If not, If not, see <http://www.gnu.org/licenses/> */ - /** - * @file taler_mint.h + * @file mint.h * @brief Common functionality for the mint * @author Florian Dold * @author Benedikt Mueller + * + * TODO: + * - revisit and document `struct Deposit` members. */ - #ifndef _MINT_H #define _MINT_H @@ -55,11 +56,195 @@ struct TALER_MINT_DenomKeyIssuePriv * not available. */ struct TALER_RSA_PrivateKey *denom_priv; + struct TALER_MINT_DenomKeyIssue issue; }; +/** + * Public information about a coin. + */ +struct TALER_CoinPublicInfo +{ + /** + * The coin's public key. + */ + struct GNUNET_CRYPTO_EcdsaPublicKey coin_pub; + + /* + * The public key signifying the coin's denomination. + */ + struct TALER_RSA_PublicKeyBinaryEncoded denom_pub; + + /** + * Signature over coin_pub by denom_pub. + */ + struct TALER_RSA_Signature denom_sig; +}; + + + + + + + +struct CollectableBlindcoin +{ + struct TALER_RSA_BlindedSignaturePurpose ev; + struct TALER_RSA_Signature ev_sig; + struct TALER_RSA_PublicKeyBinaryEncoded denom_pub; + struct GNUNET_CRYPTO_EddsaPublicKey reserve_pub; + struct GNUNET_CRYPTO_EddsaSignature reserve_sig; +}; + + +struct RefreshSession +{ + int has_commit_sig; + struct GNUNET_CRYPTO_EddsaSignature commit_sig; + struct GNUNET_CRYPTO_EddsaPublicKey session_pub; + uint16_t num_oldcoins; + uint16_t num_newcoins; + uint16_t kappa; + uint16_t noreveal_index; + uint8_t reveal_ok; +}; + + +#define TALER_REFRESH_SHARED_SECRET_LENGTH (sizeof (struct GNUNET_HashCode)) +#define TALER_REFRESH_LINK_LENGTH (sizeof (struct LinkData)) + +struct RefreshCommitLink +{ + struct GNUNET_CRYPTO_EddsaPublicKey session_pub; + struct GNUNET_CRYPTO_EcdsaPublicKey transfer_pub; + uint16_t cnc_index; + uint16_t oldcoin_index; + char shared_secret_enc[sizeof (struct GNUNET_HashCode)]; +}; + +struct LinkData +{ + struct GNUNET_CRYPTO_EcdsaPrivateKey coin_priv; + struct TALER_RSA_BlindingKeyBinaryEncoded bkey_enc; +}; + + +GNUNET_NETWORK_STRUCT_BEGIN + +struct SharedSecretEnc +{ + char data[TALER_REFRESH_SHARED_SECRET_LENGTH]; +}; + + +struct LinkDataEnc +{ + char data[sizeof (struct LinkData)]; +}; + +GNUNET_NETWORK_STRUCT_END + +struct RefreshCommitCoin +{ + struct GNUNET_CRYPTO_EddsaPublicKey session_pub; + struct TALER_RSA_BlindedSignaturePurpose coin_ev; + uint16_t cnc_index; + uint16_t newcoin_index; + char link_enc[sizeof (struct LinkData)]; +}; + + +struct KnownCoin +{ + struct TALER_CoinPublicInfo public_info; + struct TALER_Amount expended_balance; + int is_refreshed; + /** + * Refreshing session, only valid if + * is_refreshed==1. + */ + struct GNUNET_CRYPTO_EddsaPublicKey refresh_session_pub; +}; + + +/** + * Specification for a /deposit operation. + */ +struct Deposit +{ + /* FIXME: should be TALER_CoinPublicInfo */ + struct GNUNET_CRYPTO_EddsaPublicKey coin_pub; + + struct TALER_RSA_PublicKeyBinaryEncoded denom_pub; + + struct TALER_RSA_Signature coin_sig; + + struct TALER_RSA_Signature ubsig; + + /** + * Type of the deposit (also purpose of the signature). Either + * #TALER_SIGNATURE_DEPOSIT or #TALER_SIGNATURE_INCREMENTAL_DEPOSIT. + */ + struct TALER_RSA_SignaturePurpose purpose; + + uint64_t transaction_id; + + struct TALER_AmountNBO amount; + + struct GNUNET_CRYPTO_EddsaPublicKey merchant_pub; + + struct GNUNET_HashCode h_contract; + + struct GNUNET_HashCode h_wire; + + /* TODO: uint16_t wire_size */ + char wire[]; /* string encoded wire JSON object */ + +}; + + +/** + * Reserve row. Corresponds to table 'reserves' in the mint's + * database. FIXME: not sure this is how we want to store this + * information. Also, may currently used in different ways in the + * code, so we might need to separate the struct into different ones + * depending on the context it is used in. + */ +struct Reserve +{ + /** + * Signature over the purse. + * Only valid if (blind_session_missing==GNUNET_YES). + */ + struct GNUNET_CRYPTO_EddsaSignature status_sig; + /** + * Signature with purpose TALER_SIGNATURE_PURSE. + * Only valid if (blind_session_missing==GNUNET_YES). + */ + struct GNUNET_CRYPTO_EccSignaturePurpose status_sig_purpose; + /** + * Signing key used to sign the purse. + * Only valid if (blind_session_missing==GNUNET_YES). + */ + struct GNUNET_CRYPTO_EddsaPublicKey status_sign_pub; + /** + * Withdraw public key, identifies the purse. + * Only the customer knows the corresponding private key. + */ + struct GNUNET_CRYPTO_EddsaPublicKey reserve_pub; + /** + * Remaining balance in the purse. + */ + struct TALER_AmountNBO balance; + + /** + * Expiration date for the purse. + */ + struct GNUNET_TIME_AbsoluteNBO expiration; +}; + @@ -153,4 +338,3 @@ TALER_TALER_DB_extract_amount_nbo (PGresult *result, unsigned int row, int indices[3], struct TALER_AmountNBO *denom_nbo); #endif /* _MINT_H */ - |