diff options
Diffstat (limited to 'src/util')
| -rw-r--r-- | src/util/crypto.c | 52 |
1 files changed, 27 insertions, 25 deletions
diff --git a/src/util/crypto.c b/src/util/crypto.c index e64547f0..3e759e71 100644 --- a/src/util/crypto.c +++ b/src/util/crypto.c @@ -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; |