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-rw-r--r--src/util/crypto.c62
1 files changed, 42 insertions, 20 deletions
diff --git a/src/util/crypto.c b/src/util/crypto.c
index 4363c5616..a142859aa 100644
--- a/src/util/crypto.c
+++ b/src/util/crypto.c
@@ -198,7 +198,7 @@ cs_blinding_seed_derive (const struct
void
TALER_cs_withdraw_nonce_derive (const struct
- TALER_CoinSpendPrivateKeyP *coin_priv,
+ TALER_PlanchetSecretsP *ps,
struct TALER_CsNonce *nonce)
{
GNUNET_assert (GNUNET_YES ==
@@ -208,8 +208,8 @@ TALER_cs_withdraw_nonce_derive (const struct
GCRY_MD_SHA256,
"n",
strlen ("n"),
- coin_priv,
- sizeof(*coin_priv),
+ ps,
+ sizeof(*ps),
NULL,
0));
}
@@ -239,16 +239,13 @@ TALER_planchet_blinding_secret_create (const struct TALER_PlanchetSecretsP *ps,
case TALER_DENOMINATION_RSA:
GNUNET_assert (GNUNET_YES ==
GNUNET_CRYPTO_hkdf (&bks->rsa_bks,
- sizeof (struct
- GNUNET_CRYPTO_RsaBlindingKeySecret),
+ sizeof (bks->rsa_bks),
GCRY_MD_SHA512,
GCRY_MD_SHA256,
"bks",
strlen ("bks"),
ps,
sizeof(*ps),
- &alg_values->details, /* Could be null on RSA case*/
- sizeof(alg_values->details),
NULL,
0));
return;
@@ -271,19 +268,44 @@ TALER_planchet_setup_coin_priv (
const struct TALER_ExchangeWithdrawValues *alg_values,
struct TALER_CoinSpendPrivateKeyP *coin_priv)
{
- GNUNET_assert (GNUNET_YES ==
- GNUNET_CRYPTO_hkdf (coin_priv,
- sizeof (*coin_priv),
- GCRY_MD_SHA512,
- GCRY_MD_SHA256,
- "coin",
- strlen ("coin"),
- ps,
- sizeof(*ps),
- &alg_values->details, /* Could be null on RSA case*/
- sizeof(alg_values->details),
- NULL,
- 0));
+ switch (alg_values->cipher)
+ {
+ case TALER_DENOMINATION_RSA:
+ {
+ GNUNET_assert (GNUNET_YES ==
+ GNUNET_CRYPTO_hkdf (coin_priv,
+ sizeof (*coin_priv),
+ GCRY_MD_SHA512,
+ GCRY_MD_SHA256,
+ "coin",
+ strlen ("coin"),
+ ps,
+ sizeof(*ps),
+ NULL,
+ 0));
+ break;
+ }
+ case TALER_DENOMINATION_CS:
+ {
+ GNUNET_assert (GNUNET_YES ==
+ GNUNET_CRYPTO_hkdf (coin_priv,
+ sizeof (*coin_priv),
+ GCRY_MD_SHA512,
+ GCRY_MD_SHA256,
+ "coin",
+ strlen ("coin"),
+ ps,
+ sizeof(*ps),
+ &alg_values->details, /* Could be null on RSA case*/
+ sizeof(alg_values->details),
+ NULL,
+ 0));
+ break;
+ }
+ default:
+ GNUNET_break (0);
+ return;
+ }
coin_priv->eddsa_priv.d[0] &= 248;
coin_priv->eddsa_priv.d[31] &= 127;
coin_priv->eddsa_priv.d[31] |= 64;