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| author | Christian Grothoff <christian@grothoff.org> | 2022-01-13 19:30:20 +0100 |
|---|---|---|
| committer | Gian Demarmels <gian@demarmels.org> | 2022-02-04 15:36:51 +0100 |
| commit | ea97729ba891dc94ed2323aba01b15ca8e6a52d4 (patch) | |
| tree | 5274108111c440dd7517df4c48c523eab6b7ab8d | |
| parent | 74ce114b832daf49cf51185c38949240de2e89cd (diff) | |
| download | exchange-ea97729ba891dc94ed2323aba01b15ca8e6a52d4.tar.gz exchange-ea97729ba891dc94ed2323aba01b15ca8e6a52d4.tar.bz2 exchange-ea97729ba891dc94ed2323aba01b15ca8e6a52d4.zip | |
-scope needed
| -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 e64547f0f..3e759e71b 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; |