diff options
author | Christian Grothoff <grothoff@gnunet.org> | 2022-03-31 12:37:39 +0200 |
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committer | Christian Grothoff <grothoff@gnunet.org> | 2022-03-31 12:37:39 +0200 |
commit | 747ae5ef094731650911838a51e49db778b18ab6 (patch) | |
tree | 967b8e61f5bd746a21de645f989d65aa323b6aa4 /src/include/taler_crypto_lib.h | |
parent | eadee56dcf9d2fed8b8e94d271db31e3c3832cfa (diff) |
privatize more signature structs, simplify code
Diffstat (limited to 'src/include/taler_crypto_lib.h')
-rw-r--r-- | src/include/taler_crypto_lib.h | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/src/include/taler_crypto_lib.h b/src/include/taler_crypto_lib.h index 9276ab147..bafcca08e 100644 --- a/src/include/taler_crypto_lib.h +++ b/src/include/taler_crypto_lib.h @@ -1456,132 +1456,6 @@ struct TALER_ExchangeWithdrawValues /** - * @brief Information about a signing key of the exchange. Signing keys are used - * to sign exchange messages other than coins, i.e. to confirm that a - * deposit was successful or that a refresh was accepted. - * - * FIXME: remove this from the public API... - */ -struct TALER_ExchangeSigningKeyValidityPS -{ - - /** - * Purpose is #TALER_SIGNATURE_MASTER_SIGNING_KEY_VALIDITY. - */ - struct GNUNET_CRYPTO_EccSignaturePurpose purpose; - - /** - * When does this signing key begin to be valid? - */ - struct GNUNET_TIME_TimestampNBO start; - - /** - * When does this signing key expire? Note: This is currently when - * the Exchange will definitively stop using it. Signatures made with - * the key remain valid until @e end. When checking validity periods, - * clients should allow for some overlap between keys and tolerate - * the use of either key during the overlap time (due to the - * possibility of clock skew). - */ - struct GNUNET_TIME_TimestampNBO expire; - - /** - * When do signatures with this signing key become invalid? After - * this point, these signatures cannot be used in (legal) disputes - * anymore, as the Exchange is then allowed to destroy its side of the - * evidence. @e end is expected to be significantly larger than @e - * expire (by a year or more). - */ - struct GNUNET_TIME_TimestampNBO end; - - /** - * The public online signing key that the exchange will use - * between @e start and @e expire. - */ - struct TALER_ExchangePublicKeyP signkey_pub; -}; - - -/** - * @brief Information about a denomination key. Denomination keys - * are used to sign coins of a certain value into existence. - * - * FIXME: remove this from the public API... - */ -struct TALER_DenominationKeyValidityPS -{ - - /** - * Purpose is #TALER_SIGNATURE_MASTER_DENOMINATION_KEY_VALIDITY. - */ - struct GNUNET_CRYPTO_EccSignaturePurpose purpose; - - /** - * The long-term offline master key of the exchange that was - * used to create @e signature. - */ - struct TALER_MasterPublicKeyP master; - - /** - * Start time of the validity period for this key. - */ - struct GNUNET_TIME_TimestampNBO start; - - /** - * The exchange will sign fresh coins between @e start and this time. - * @e expire_withdraw will be somewhat larger than @e start to - * ensure a sufficiently large anonymity set, while also allowing - * the Exchange to limit the financial damage in case of a key being - * compromised. Thus, exchanges with low volume are expected to have a - * longer withdraw period (@e expire_withdraw - @e start) than exchanges - * with high transaction volume. The period may also differ between - * types of coins. A exchange may also have a few denomination keys - * with the same value with overlapping validity periods, to address - * issues such as clock skew. - */ - struct GNUNET_TIME_TimestampNBO expire_withdraw; - - /** - * Coins signed with the denomination key must be spent or refreshed - * between @e start and this expiration time. After this time, the - * exchange will refuse transactions involving this key as it will - * "drop" the table with double-spending information (shortly after) - * this time. Note that wallets should refresh coins significantly - * before this time to be on the safe side. @e expire_deposit must be - * significantly larger than @e expire_withdraw (by months or even - * years). - */ - struct GNUNET_TIME_TimestampNBO expire_deposit; - - /** - * When do signatures with this denomination key become invalid? - * After this point, these signatures cannot be used in (legal) - * disputes anymore, as the Exchange is then allowed to destroy its side - * of the evidence. @e expire_legal is expected to be significantly - * larger than @e expire_deposit (by a year or more). - */ - struct GNUNET_TIME_TimestampNBO expire_legal; - - /** - * The value of the coins signed with this denomination key. - */ - struct TALER_AmountNBO value; - - /** - * Fees for the coin. - */ - struct TALER_DenomFeeSetNBOP fees; - - /** - * Hash code of the denomination public key. (Used to avoid having - * the variable-size RSA key in this struct.) - */ - struct TALER_DenominationHashP denom_hash GNUNET_PACKED; - -}; - - -/** * Free internals of @a denom_pub, but not @a denom_pub itself. * * @param[in] denom_pub key to free |