From c231e9925c6ac3dcd33205b378c9f648f1fe901e Mon Sep 17 00:00:00 2001 From: Christian Grothoff Date: Mon, 1 Nov 2021 13:20:03 +0100 Subject: [PATCH] fix bug --- src/lib/exchange_api_link.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/src/lib/exchange_api_link.c b/src/lib/exchange_api_link.c index 920224d4d..08869ed1d 100644 --- a/src/lib/exchange_api_link.c +++ b/src/lib/exchange_api_link.c @@ -91,14 +91,14 @@ parse_link_coin (const struct TALER_EXCHANGE_LinkHandle *lh, struct TALER_DenominationSignature *sig, struct TALER_DenominationPublicKey *pub) { - struct GNUNET_CRYPTO_RsaSignature *bsig; + struct TALER_BlindedDenominationSignature bsig; struct TALER_DenominationPublicKey rpub; struct TALER_CoinSpendSignatureP link_sig; struct GNUNET_JSON_Specification spec[] = { TALER_JSON_spec_denom_pub ("denom_pub", &rpub), - GNUNET_JSON_spec_rsa_signature ("ev_sig", - &bsig), + TALER_JSON_spec_blinded_denom_sig ("ev_sig", + &bsig), GNUNET_JSON_spec_fixed_auto ("link_sig", &link_sig), GNUNET_JSON_spec_end () @@ -124,9 +124,11 @@ parse_link_coin (const struct TALER_EXCHANGE_LinkHandle *lh, /* extract coin and signature */ *coin_priv = fc.coin_priv; + // FIXME: use more generlized unblinding API! + GNUNET_assert (TALER_DENOMINATION_RSA == bsig.cipher); sig->cipher = TALER_DENOMINATION_RSA; sig->details.rsa_signature - = TALER_rsa_unblind (bsig, + = TALER_rsa_unblind (bsig.details.blinded_rsa_signature, &fc.blinding_key.bks, rpub.details.rsa_public_key); /* verify link_sig */