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authorChristian Grothoff <christian@grothoff.org>2020-12-05 21:33:30 +0100
committerChristian Grothoff <christian@grothoff.org>2020-12-05 21:33:30 +0100
commite0b62b0a49672bd259ed47c9448b78c9be8823f7 (patch)
treec4c78b825f88ed6c01b2b2b5b9f78970f3a75f7a /src/util
parent719779577a4c336126f0bbb77f947ea892a3cdd3 (diff)
downloadexchange-e0b62b0a49672bd259ed47c9448b78c9be8823f7.tar.gz
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towards offline tool uploading /management/keys
Diffstat (limited to 'src/util')
-rw-r--r--src/util/offline_signatures.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/src/util/offline_signatures.c b/src/util/offline_signatures.c
index af7876b93..d8f040321 100644
--- a/src/util/offline_signatures.c
+++ b/src/util/offline_signatures.c
@@ -156,6 +156,97 @@ TALER_exchange_offline_signkey_validity_verify (
void
+TALER_exchange_offline_denom_validity_sign (
+ const struct GNUNET_HashCode *h_denom_pub,
+ struct GNUNET_TIME_Absolute stamp_start,
+ struct GNUNET_TIME_Absolute stamp_expire_withdraw,
+ struct GNUNET_TIME_Absolute stamp_expire_deposit,
+ struct GNUNET_TIME_Absolute stamp_expire_legal,
+ const struct TALER_Amount *coin_value,
+ const struct TALER_Amount *fee_withdraw,
+ const struct TALER_Amount *fee_deposit,
+ const struct TALER_Amount *fee_refresh,
+ const struct TALER_Amount *fee_refund,
+ const struct TALER_MasterPrivateKeyP *master_priv,
+ struct TALER_MasterSignatureP *master_sig)
+{
+ struct TALER_DenominationKeyValidityPS issue = {
+ .purpose.purpose
+ = htonl (TALER_SIGNATURE_MASTER_DENOMINATION_KEY_VALIDITY),
+ .purpose.size
+ = htonl (sizeof (issue)),
+ .start = GNUNET_TIME_absolute_hton (stamp_start),
+ .expire_withdraw = GNUNET_TIME_absolute_hton (stamp_expire_withdraw),
+ .expire_deposit = GNUNET_TIME_absolute_hton (stamp_expire_deposit),
+ .expire_legal = GNUNET_TIME_absolute_hton (stamp_expire_legal),
+ .denom_hash = *h_denom_pub
+ };
+
+ GNUNET_CRYPTO_eddsa_key_get_public (&master_priv->eddsa_priv,
+ &issue.master.eddsa_pub);
+ TALER_amount_hton (&issue.value,
+ coin_value);
+ TALER_amount_hton (&issue.fee_withdraw,
+ fee_withdraw);
+ TALER_amount_hton (&issue.fee_deposit,
+ fee_deposit);
+ TALER_amount_hton (&issue.fee_refresh,
+ fee_refresh);
+ TALER_amount_hton (&issue.fee_refund,
+ fee_refund);
+ GNUNET_CRYPTO_eddsa_sign (&master_priv->eddsa_priv,
+ &issue,
+ &master_sig->eddsa_signature);
+}
+
+
+int
+TALER_exchange_offline_denom_validity_verify (
+ const struct GNUNET_HashCode *h_denom_pub,
+ struct GNUNET_TIME_Absolute stamp_start,
+ struct GNUNET_TIME_Absolute stamp_expire_withdraw,
+ struct GNUNET_TIME_Absolute stamp_expire_deposit,
+ struct GNUNET_TIME_Absolute stamp_expire_legal,
+ const struct TALER_Amount *coin_value,
+ const struct TALER_Amount *fee_withdraw,
+ const struct TALER_Amount *fee_deposit,
+ const struct TALER_Amount *fee_refresh,
+ const struct TALER_Amount *fee_refund,
+ const struct TALER_MasterPublicKeyP *master_pub,
+ const struct TALER_MasterSignatureP *master_sig)
+{
+ struct TALER_DenominationKeyValidityPS dkv = {
+ .purpose.purpose = htonl (
+ TALER_SIGNATURE_MASTER_DENOMINATION_KEY_VALIDITY),
+ .purpose.size = htonl (sizeof (dkv)),
+ .master = *master_pub,
+ .start = GNUNET_TIME_absolute_hton (stamp_start),
+ .expire_withdraw = GNUNET_TIME_absolute_hton (stamp_expire_withdraw),
+ .expire_deposit = GNUNET_TIME_absolute_hton (stamp_expire_deposit),
+ .expire_legal = GNUNET_TIME_absolute_hton (stamp_expire_legal),
+ .denom_hash = *h_denom_pub
+ };
+
+ TALER_amount_hton (&dkv.value,
+ coin_value);
+ TALER_amount_hton (&dkv.fee_withdraw,
+ fee_withdraw);
+ TALER_amount_hton (&dkv.fee_deposit,
+ fee_deposit);
+ TALER_amount_hton (&dkv.fee_refresh,
+ fee_refresh);
+ TALER_amount_hton (&dkv.fee_refund,
+ fee_refund);
+ return
+ GNUNET_CRYPTO_eddsa_verify (
+ TALER_SIGNATURE_MASTER_DENOMINATION_KEY_VALIDITY,
+ &dkv,
+ &master_sig->eddsa_signature,
+ &master_pub->eddsa_pub);
+}
+
+
+void
TALER_exchange_offline_wire_add_sign (
const char *payto_uri,
struct GNUNET_TIME_Absolute now,