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fix bug

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This commit is contained in:
Christian Grothoff 2021-11-01 13:20:03 +01:00
parent f02b5b7859
commit c231e9925c
No known key found for this signature in database
GPG Key ID: 939E6BE1E29FC3CC
1 changed files with 6 additions and 4 deletions
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10
src/lib/exchange_api_link.c
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@ -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 */