diff options
Diffstat (limited to 'src/include/taler_crypto_lib.h')
| -rw-r--r-- | src/include/taler_crypto_lib.h | 89 |
1 files changed, 15 insertions, 74 deletions
diff --git a/src/include/taler_crypto_lib.h b/src/include/taler_crypto_lib.h index 87e38896e..3de843a22 100644 --- a/src/include/taler_crypto_lib.h +++ b/src/include/taler_crypto_lib.h @@ -353,12 +353,12 @@ struct TALER_CoinSpendSignatureP /** * @brief Type of blinding keys for Taler. - * must be 32 bytes + * must be 32 bytes (DB) */ union TALER_DenominationBlindingKeyP { /** - * Clause Schnorr Signatures have 2 blinding secrets, each containing two unpredictable values. + * Clause Schnorr Signatures have 2 blinding secrets, each containing two unpredictable values. (must be 32 bytes) */ struct GNUNET_CRYPTO_CsNonce nonce; @@ -618,10 +618,9 @@ struct TALER_DenominationSignature }; /** - * The Sign Answer for Clause B lind Schnorr signature. + * The Sign Answer for Clause Blind Schnorr signature. * The sign operation returns a parameter @param b and the signature * scalar @param s_scalar. - * The function does not return the whole signature, due to that is only the blinded s_scalar. */ struct TALER_BlindedDenominationCsSignAnswer { @@ -833,57 +832,6 @@ struct TALER_DenominationCsPrivateR struct GNUNET_CRYPTO_CsRSecret r[2]; }; -/** - * @brief RSA Parameters to create blinded messages - * - */ -struct TALER_DenominationBlindMessageRsaParams -{ - /** - * blinded message to be signed - * Note: is malloc()'ed! - */ - void **coin_ev; - - /** - * size of the blinded message to be signed - */ - size_t *coin_ev_size; -}; - - -/** - * @brief CS Parameters to create blinded messages - * - */ -struct TALER_DenominationBlindMessageCsParams -{ - -}; - -/** - * @brief Type including Parameters to create blinded message - * - */ -struct TALER_DenominationBlindMessageParams -{ - /** - * Details, depending on @e cipher. - */ - union - { - /** - * If we use #TALER_DENOMINATION_CS in @a cipher. - */ - struct TALER_DenominationBlindMessageCsParams cs_blind_msg_params; - - /** - * If we use #TALER_DENOMINATION_RSA in @a cipher. - */ - struct TALER_DenominationBlindMessageRsaParams rsa_blind_msg_params; - - } details; -}; /** * @brief Public information about a coin (including the public key @@ -968,6 +916,9 @@ TALER_cs_withdraw_nonce_derive (const struct * Create a blinding secret @a bs for @a cipher. * * @param[out] bs blinding secret to initialize + * @param cipher algorithm to use (CS or RSA) + * @param ... If CS signature, R_0 and R_1 (TALER_DenominationCsPublicR) + * and the coins private key is needed */ void TALER_blinding_secret_create (union TALER_DenominationBlindingKeyP *bs, @@ -1014,20 +965,6 @@ TALER_denom_sig_free (struct TALER_DenominationSignature *denom_sig); /** - * Function for CS signatures to derive the secret r_0 and r_1 - * - * @param nonce withdraw nonce from a client - * @param denom_priv denomination privkey as long-term secret - * @param r the resulting r_0 and r_1 - * @return enum GNUNET_GenericReturnValue, returns SYSERR when denom key has wrong type - */ -enum GNUNET_GenericReturnValue -TALER_denom_cs_derive_r_secret (const struct TALER_WithdrawNonce *nonce, - const struct - TALER_DenominationPrivateKey *denom_priv, - struct TALER_DenominationCsPrivateR *r); - -/** * @brief Function for CS signatures to derive public R_0 and R_1 * * @param nonce withdraw nonce from a client @@ -1053,6 +990,7 @@ TALER_denom_cs_derive_r_public (const struct TALER_WithdrawNonce *nonce, * @param[out] c_hash resulting hashed coin * @param[out] coin_ev blinded coin to submit * @param[out] coin_ev_size number of bytes in @a coin_ev + * @param ... cipher-specific parameters * @return #GNUNET_OK on success */ enum GNUNET_GenericReturnValue @@ -1070,8 +1008,8 @@ TALER_denom_blind (const struct TALER_DenominationPublicKey *dk, * * @param[out] denom_sig where to write the signature * @param denom_priv private key to use for signing - * @param blinded_msg message to sign - * @param blinded_msg_size number of bytes in @a blinded_msg + * @param blinded_planchet the planchet already blinded + * @param ... If CS signature, a TALER_WithdrawNonce is needed * @return #GNUNET_OK on success */ enum GNUNET_GenericReturnValue @@ -1088,6 +1026,7 @@ TALER_denom_sign_blinded (struct TALER_BlindedDenominationSignature *denom_sig, * @param bdenom_sig the blinded signature * @param bks blinding secret to use * @param denom_pub public key used for signing + * @param ... cipher-specific parameters * @return #GNUNET_OK on success */ enum GNUNET_GenericReturnValue @@ -1125,7 +1064,7 @@ TALER_denom_pub_hash (const struct TALER_DenominationPublicKey *denom_pub, * @a denom_dst. * * @param[out] denom_dst target to copy to - * @param denom_str public key to copy + * @param denom_src public key to copy */ void TALER_denom_pub_deep_copy (struct TALER_DenominationPublicKey *denom_dst, @@ -1137,7 +1076,7 @@ TALER_denom_pub_deep_copy (struct TALER_DenominationPublicKey *denom_dst, * @a denom_dst. * * @param[out] denom_dst target to copy to - * @param denom_str public key to copy + * @param denom_src public key to copy */ void TALER_denom_sig_deep_copy (struct TALER_DenominationSignature *denom_dst, @@ -1149,7 +1088,7 @@ TALER_denom_sig_deep_copy (struct TALER_DenominationSignature *denom_dst, * @a denom_dst. * * @param[out] denom_dst target to copy to - * @param denom_str public key to copy + * @param denom_src public key to copy */ void TALER_blinded_denom_sig_deep_copy ( @@ -1466,6 +1405,7 @@ TALER_planchet_setup_random (struct TALER_PlanchetSecretsP *ps, * @param[out] c_hash set to the hash of the public key of the coin (needed later) * @param[out] pd set to the planchet detail for TALER_MERCHANT_tip_pickup() and * other withdraw operations + * @param ... cipher-specific parameters * @return #GNUNET_OK on success */ enum GNUNET_GenericReturnValue @@ -1485,6 +1425,7 @@ TALER_planchet_prepare (const struct TALER_DenominationPublicKey *dk, * @param ps secrets from #TALER_planchet_prepare() * @param c_hash hash of the coin's public key for verification of the signature * @param[out] coin set to the details of the fresh coin + * @param ... cipher-specific parameters * @return #GNUNET_OK on success */ enum GNUNET_GenericReturnValue |