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-simpilify

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This commit is contained in:
Christian Grothoff 2022-02-09 10:03:10 +01:00
parent e82d18325a
commit b461fc6fc4
No known key found for this signature in database
GPG Key ID: 939E6BE1E29FC3CC
1 changed files with 8 additions and 35 deletions
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43
src/util/crypto.c
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@ -411,57 +411,30 @@ TALER_planchet_to_coin (
const struct TALER_ExchangeWithdrawValues *alg_values,
struct TALER_FreshCoin *coin)
{
struct TALER_DenominationSignature sig;
if ( (dk->cipher != blind_sig->cipher) ||
(dk->cipher != alg_values->cipher) )
{
GNUNET_break_op (0);
return GNUNET_SYSERR;
}
switch (dk->cipher)
if (GNUNET_OK !=
TALER_denom_sig_unblind (&coin->sig,
blind_sig,
bks,
dk))
{
case TALER_DENOMINATION_RSA:
if (GNUNET_OK !=
TALER_denom_sig_unblind (&sig,
blind_sig,
bks,
dk))
{
GNUNET_break_op (0);
return GNUNET_SYSERR;
}
break;
case TALER_DENOMINATION_CS:
{
if (GNUNET_OK !=
TALER_denom_sig_unblind (&sig,
blind_sig,
bks,
dk))
{
GNUNET_break_op (0);
return GNUNET_SYSERR;
}
break;
}
default:
GNUNET_break (0);
GNUNET_break_op (0);
return GNUNET_SYSERR;
}
if (GNUNET_OK !=
TALER_denom_pub_verify (dk,
&sig,
&coin->sig,
c_hash))
{
GNUNET_break_op (0);
TALER_denom_sig_free (&sig);
TALER_denom_sig_free (&coin->sig);
return GNUNET_SYSERR;
}
coin->sig = sig;
coin->coin_priv = *coin_priv;
return GNUNET_OK;
}