taler/exchange
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

-scope needed

Browse Source
This commit is contained in:
Christian Grothoff 2022-01-13 19:30:20 +01:00 committed by Gian Demarmels
parent 74ce114b83
commit ea97729ba8
No known key found for this signature in database
GPG Key ID: 030CEDDCCC92D778
1 changed files with 27 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

52
src/util/crypto.c
View File

@ -352,33 +352,35 @@ TALER_planchet_to_coin (const struct TALER_DenominationPublicKey *dk,
}
break;
case TALER_DENOMINATION_CS:
struct GNUNET_CRYPTO_CsC c[2];
struct GNUNET_CRYPTO_CsBlindingSecret bs[2];
struct TALER_DenominationCsPublicR r_pub_blind;
GNUNET_CRYPTO_cs_blinding_secrets_derive (&ps->blinding_key.nonce, bs);
GNUNET_CRYPTO_cs_calc_blinded_c (bs,
alg_values->details.cs_values.r_pub.r_pub,
&dk->details.cs_public_key,
&c_hash->hash,
sizeof(struct GNUNET_HashCode),
c,
r_pub_blind.r_pub);
sig.details.cs_signature.r_point
= r_pub_blind.r_pub[blind_sig->details.blinded_cs_answer.b];
if (GNUNET_OK !=
TALER_denom_sig_unblind (&sig,
blind_sig,
&ps->blinding_key,
dk))
{
GNUNET_break_op (0);
return GNUNET_SYSERR;
struct GNUNET_CRYPTO_CsC c[2];
struct GNUNET_CRYPTO_CsBlindingSecret bs[2];
struct TALER_DenominationCsPublicR r_pub_blind;
GNUNET_CRYPTO_cs_blinding_secrets_derive (&ps->blinding_key.nonce, bs);
GNUNET_CRYPTO_cs_calc_blinded_c (bs,
alg_values->details.cs_values.r_pub.r_pub,
&dk->details.cs_public_key,
&c_hash->hash,
sizeof(struct GNUNET_HashCode),
c,
r_pub_blind.r_pub);
sig.details.cs_signature.r_point
= r_pub_blind.r_pub[blind_sig->details.blinded_cs_answer.b];
if (GNUNET_OK !=
TALER_denom_sig_unblind (&sig,
blind_sig,
&ps->blinding_key,
dk))
{
GNUNET_break_op (0);
return GNUNET_SYSERR;
}
break;
}
break;
default:
GNUNET_break (0);
return GNUNET_SYSERR;