From 6505f6986939a18814fc5ad7a54d5aaa5e6cbfd4 Mon Sep 17 00:00:00 2001 From: Christian Grothoff Date: Tue, 22 Mar 2022 12:11:40 +0100 Subject: add one more p2p signature --- src/util/offline_signatures.c | 82 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) (limited to 'src/util/offline_signatures.c') 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 */ -- cgit v1.2.3