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-rw-r--r--src/util/wallet_signatures.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/src/util/wallet_signatures.c b/src/util/wallet_signatures.c
index 6866ca19b..b74a9fead 100644
--- a/src/util/wallet_signatures.c
+++ b/src/util/wallet_signatures.c
@@ -907,6 +907,59 @@ TALER_wallet_purse_create_verify (
}
+GNUNET_NETWORK_STRUCT_BEGIN
+
+/**
+ * Message signed to delete a purse.
+ */
+struct TALER_PurseDeletePS
+{
+
+ /**
+ * Purpose is #TALER_SIGNATURE_WALLET_PURSE_DELETE
+ */
+ struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
+
+};
+
+
+GNUNET_NETWORK_STRUCT_END
+
+
+void
+TALER_wallet_purse_delete_sign (
+ const struct TALER_PurseContractPrivateKeyP *purse_priv,
+ struct TALER_PurseContractSignatureP *purse_sig)
+{
+ struct TALER_PurseDeletePS pm = {
+ .purpose.size = htonl (sizeof (pm)),
+ .purpose.purpose = htonl (TALER_SIGNATURE_WALLET_PURSE_DELETE)
+ };
+
+ GNUNET_CRYPTO_eddsa_sign (&purse_priv->eddsa_priv,
+ &pm,
+ &purse_sig->eddsa_signature);
+}
+
+
+enum GNUNET_GenericReturnValue
+TALER_wallet_purse_delete_verify (
+ const struct TALER_PurseContractPublicKeyP *purse_pub,
+ const struct TALER_PurseContractSignatureP *purse_sig)
+{
+ struct TALER_PurseDeletePS pm = {
+ .purpose.size = htonl (sizeof (pm)),
+ .purpose.purpose = htonl (TALER_SIGNATURE_WALLET_PURSE_DELETE)
+ };
+
+ return GNUNET_CRYPTO_eddsa_verify (
+ TALER_SIGNATURE_WALLET_PURSE_DELETE,
+ &pm,
+ &purse_sig->eddsa_signature,
+ &purse_pub->eddsa_pub);
+}
+
+
void
TALER_wallet_purse_status_sign (
const struct TALER_PurseContractPrivateKeyP *purse_priv,