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author | Christian Grothoff <grothoff@gnunet.org> | 2022-03-22 12:11:40 +0100 |
---|---|---|
committer | Christian Grothoff <grothoff@gnunet.org> | 2022-03-22 12:12:00 +0100 |
commit | 6505f6986939a18814fc5ad7a54d5aaa5e6cbfd4 (patch) | |
tree | 37efae7689ae1f1488d50a37b54f00ae13248ddd /src | |
parent | 6868b78692d0bd4511862872cb078fd4760770d1 (diff) | |
download | exchange-6505f6986939a18814fc5ad7a54d5aaa5e6cbfd4.tar.xz |
add one more p2p signature
Diffstat (limited to 'src')
-rw-r--r-- | src/include/taler_crypto_lib.h | 54 | ||||
-rw-r--r-- | src/include/taler_signatures.h | 5 | ||||
-rw-r--r-- | src/util/offline_signatures.c | 82 |
3 files changed, 140 insertions, 1 deletions
diff --git a/src/include/taler_crypto_lib.h b/src/include/taler_crypto_lib.h index 521a24aee..809c6a8fe 100644 --- a/src/include/taler_crypto_lib.h +++ b/src/include/taler_crypto_lib.h @@ -195,7 +195,7 @@ struct TALER_TransferPublicKeyP /** - * @brief Type of transfer public keys used during refresh + * @brief Type of transfer private keys used during refresh * operations. */ struct TALER_TransferPrivateKeyP @@ -208,6 +208,32 @@ struct TALER_TransferPrivateKeyP /** + * @brief Type of public keys used for contract + * encryption. + */ +struct TALER_ContractDiffiePublicP +{ + /** + * Taler uses ECDHE for contract encryption. + */ + struct GNUNET_CRYPTO_EcdhePublicKey ecdhe_pub; +}; + + +/** + * @brief Type of private keys used for contract + * encryption. + */ +struct TALER_ContractDiffiePrivateP +{ + /** + * Taler uses ECDHE for contract encryption. + */ + struct GNUNET_CRYPTO_EcdhePrivateKey ecdhe_priv; +}; + + +/** * @brief Type of online public keys used by the exchange to sign * messages. */ @@ -3427,6 +3453,32 @@ TALER_exchange_offline_denom_validity_verify ( const struct TALER_MasterSignatureP *master_sig); +// FIXME: document +void +TALER_exchange_offline_partner_details_sign ( + const struct TALER_MasterPublicKeyP *partner_pub, + struct GNUNET_TIME_Timestamp start_date, + struct GNUNET_TIME_Timestamp end_date, + struct GNUNET_TIME_Relative wad_frequency, + const struct TALER_Amount *wad_fee, + const char *partner_base_url, + const struct TALER_MasterPrivateKeyP *master_priv, + struct TALER_MasterSignatureP *master_sig); + + +// FIXME: document +enum GNUNET_GenericReturnValue +TALER_exchange_offline_partner_details_verify ( + const struct TALER_MasterPublicKeyP *partner_pub, + struct GNUNET_TIME_Timestamp start_date, + struct GNUNET_TIME_Timestamp end_date, + struct GNUNET_TIME_Relative wad_frequency, + const struct TALER_Amount *wad_fee, + const char *partner_base_url, + const struct TALER_MasterPublicKeyP *master_pub, + const struct TALER_MasterSignatureP *master_sig); + + /** * Create security module EdDSA signature. * diff --git a/src/include/taler_signatures.h b/src/include/taler_signatures.h index c730d2412..775947ac0 100644 --- a/src/include/taler_signatures.h +++ b/src/include/taler_signatures.h @@ -97,6 +97,11 @@ */ #define TALER_SIGNATURE_MASTER_EXTENSION 1031 +/** + * Signature affirming a partner configuration for wads. + */ +#define TALER_SIGNATURE_MASTER_PARTNER_DETAILS 1032 + /*********************************************/ /* Exchange online signatures (with signing key) */ /*********************************************/ diff --git a/src/util/offline_signatures.c b/src/util/offline_signatures.c index c11e20f46..6c99b2963 100644 --- a/src/util/offline_signatures.c +++ b/src/util/offline_signatures.c @@ -888,4 +888,86 @@ TALER_exchange_wire_signature_make ( } +/** + * Message signed by account to merge a purse into a reserve. + */ +struct TALER_PartnerConfigurationPS +{ + + /** + * Purpose is #TALER_SIGNATURE_MASTER_PARNTER_DETAILS + */ + struct GNUNET_CRYPTO_EccSignaturePurpose purpose; + struct TALER_MasterPublicKeyP partner_pub; + struct GNUNET_TIME_TimestampNBO start_date; + struct GNUNET_TIME_TimestampNBO end_date; + struct GNUNET_TIME_RelativeNBO wad_frequency; + struct TALER_AmountNBO wad_fee; + struct GNUNET_HashCode h_url; +}; + + +void +TALER_exchange_offline_partner_details_sign ( + const struct TALER_MasterPublicKeyP *partner_pub, + struct GNUNET_TIME_Timestamp start_date, + struct GNUNET_TIME_Timestamp end_date, + struct GNUNET_TIME_Relative wad_frequency, + const struct TALER_Amount *wad_fee, + const char *partner_base_url, + const struct TALER_MasterPrivateKeyP *master_priv, + struct TALER_MasterSignatureP *master_sig) +{ + struct TALER_PartnerConfigurationPS wd = { + .purpose.purpose = htonl (TALER_SIGNATURE_MASTER_PARTNER_DETAILS), + .purpose.size = htonl (sizeof (wd)), + .partner_pub = *partner_pub, + .start_date = GNUNET_TIME_timestamp_hton (start_date), + .end_date = GNUNET_TIME_timestamp_hton (end_date), + .wad_frequency = GNUNET_TIME_relative_hton (wad_frequency), + }; + + GNUNET_CRYPTO_hash (partner_base_url, + strlen (partner_base_url) + 1, + &wd.h_url); + TALER_amount_hton (&wd.wad_fee, + wad_fee); + GNUNET_CRYPTO_eddsa_sign (&master_priv->eddsa_priv, + &wd, + &master_sig->eddsa_signature); +} + + +enum GNUNET_GenericReturnValue +TALER_exchange_offline_partner_details_verify ( + const struct TALER_MasterPublicKeyP *partner_pub, + struct GNUNET_TIME_Timestamp start_date, + struct GNUNET_TIME_Timestamp end_date, + struct GNUNET_TIME_Relative wad_frequency, + const struct TALER_Amount *wad_fee, + const char *partner_base_url, + const struct TALER_MasterPublicKeyP *master_pub, + const struct TALER_MasterSignatureP *master_sig) +{ + struct TALER_PartnerConfigurationPS wd = { + .purpose.purpose = htonl (TALER_SIGNATURE_MASTER_PARTNER_DETAILS), + .purpose.size = htonl (sizeof (wd)), + .partner_pub = *partner_pub, + .start_date = GNUNET_TIME_timestamp_hton (start_date), + .end_date = GNUNET_TIME_timestamp_hton (end_date), + .wad_frequency = GNUNET_TIME_relative_hton (wad_frequency), + }; + + GNUNET_CRYPTO_hash (partner_base_url, + strlen (partner_base_url) + 1, + &wd.h_url); + TALER_amount_hton (&wd.wad_fee, + wad_fee); + return GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_MASTER_PARTNER_DETAILS, + &wd, + &master_sig->eddsa_signature, + &master_pub->eddsa_pub); +} + + /* end of offline_signatures.c */ |