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-rw-r--r--src/util/crypto.c58
-rw-r--r--src/util/test_crypto.c15
-rw-r--r--src/util/test_helper_cs.c44
-rw-r--r--src/util/test_helper_rsa.c25
4 files changed, 94 insertions, 48 deletions
diff --git a/src/util/crypto.c b/src/util/crypto.c
index 3e759e71..50f2d97d 100644
--- a/src/util/crypto.c
+++ b/src/util/crypto.c
@@ -209,11 +209,10 @@ TALER_cs_withdraw_nonce_derive (const struct
void
TALER_planchet_blinding_secret_create (struct TALER_PlanchetSecretsP *ps,
- enum TALER_DenominationCipher cipher,
const struct
TALER_ExchangeWithdrawValues *alg_values)
{
- switch (cipher)
+ switch (alg_values->cipher)
{
case TALER_DENOMINATION_INVALID:
GNUNET_break (0);
@@ -244,18 +243,20 @@ TALER_planchet_blinding_secret_create (struct TALER_PlanchetSecretsP *ps,
*/
void
TALER_planchet_setup_random (struct TALER_PlanchetSecretsP *ps,
- enum TALER_DenominationCipher cipher)
+ const struct
+ TALER_ExchangeWithdrawValues *alg_values)
{
GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_STRONG,
&ps->coin_priv,
sizeof (struct TALER_CoinSpendPrivateKeyP));
- switch (cipher)
+ switch (alg_values->cipher)
{
case TALER_DENOMINATION_INVALID:
GNUNET_break (0);
return;
case TALER_DENOMINATION_RSA:
- TALER_planchet_blinding_secret_create (ps, TALER_DENOMINATION_RSA, NULL);
+ TALER_planchet_blinding_secret_create (ps,
+ alg_values);
return;
case TALER_DENOMINATION_CS:
// Will be set in a later stage for Clause Blind Schnorr Scheme
@@ -275,6 +276,8 @@ TALER_planchet_prepare (const struct TALER_DenominationPublicKey *dk,
{
struct TALER_CoinSpendPublicKeyP coin_pub;
+ GNUNET_assert (alg_values->cipher == dk->cipher);
+
GNUNET_CRYPTO_eddsa_key_get_public (&ps->coin_priv.eddsa_priv,
&coin_pub.eddsa_pub);
@@ -286,7 +289,7 @@ TALER_planchet_prepare (const struct TALER_DenominationPublicKey *dk,
&ps->blinding_key,
NULL, /* FIXME-Oec */
&coin_pub,
- NULL, /* RSA has no alg Values */
+ alg_values,
c_hash,
&pd->blinded_planchet))
{
@@ -320,6 +323,23 @@ TALER_planchet_prepare (const struct TALER_DenominationPublicKey *dk,
}
+void
+TALER_blinded_planchet_free (struct TALER_BlindedPlanchet *blinded_planchet)
+{
+ switch (blinded_planchet->cipher)
+ {
+ case TALER_DENOMINATION_RSA:
+ GNUNET_free (blinded_planchet->details.rsa_blinded_planchet.blinded_msg);
+ break;
+ case TALER_DENOMINATION_CS:
+ // nothing to do for CS
+ break;
+ default:
+ GNUNET_break (0);
+ }
+}
+
+
enum GNUNET_GenericReturnValue
TALER_planchet_to_coin (const struct TALER_DenominationPublicKey *dk,
const struct
@@ -471,14 +491,28 @@ TALER_refresh_get_commitment (struct TALER_RefreshCommitmentP *rc,
}
-void
-TALER_coin_ev_hash (const void *coin_ev,
- size_t coin_ev_size,
+enum GNUNET_GenericReturnValue
+TALER_coin_ev_hash (const struct TALER_BlindedPlanchet *blinded_planchet,
struct TALER_BlindedCoinHash *bch)
{
- GNUNET_CRYPTO_hash (coin_ev,
- coin_ev_size,
- &bch->hash);
+ switch (blinded_planchet->cipher)
+ {
+ case TALER_DENOMINATION_RSA:
+ GNUNET_CRYPTO_hash (
+ blinded_planchet->details.rsa_blinded_planchet.blinded_msg,
+ blinded_planchet->details.rsa_blinded_planchet.blinded_msg_size,
+ &bch->hash);
+ return GNUNET_OK;
+ case TALER_DENOMINATION_CS:
+ GNUNET_CRYPTO_hash (
+ &blinded_planchet->details.cs_blinded_planchet,
+ sizeof (blinded_planchet->details.cs_blinded_planchet),
+ &bch->hash);
+ return GNUNET_OK;
+ default:
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
}
diff --git a/src/util/test_crypto.c b/src/util/test_crypto.c
index 28352a67..9f01b74c 100644
--- a/src/util/test_crypto.c
+++ b/src/util/test_crypto.c
@@ -87,6 +87,7 @@ test_planchets_rsa (void)
struct TALER_PlanchetSecretsP ps;
struct TALER_DenominationPrivateKey dk_priv;
struct TALER_DenominationPublicKey dk_pub;
+ struct TALER_ExchangeWithdrawValues alg_values;
struct TALER_PlanchetDetail pd;
struct TALER_BlindedDenominationSignature blind_sig;
struct TALER_FreshCoin coin;
@@ -108,10 +109,12 @@ test_planchets_rsa (void)
&dk_pub,
TALER_DENOMINATION_RSA,
1024));
- TALER_planchet_setup_random (&ps, TALER_DENOMINATION_RSA);
+ alg_values.cipher = TALER_DENOMINATION_RSA;
+ TALER_planchet_setup_random (&ps,
+ &alg_values);
GNUNET_assert (GNUNET_OK ==
TALER_planchet_prepare (&dk_pub,
- NULL, /* not needed in RSA*/
+ &alg_values,
&ps,
&c_hash,
&pd));
@@ -124,7 +127,7 @@ test_planchets_rsa (void)
&blind_sig,
&ps,
&c_hash,
- NULL, /* Not needed in RSA case */
+ &alg_values,
&coin));
TALER_blinded_denom_sig_free (&blind_sig);
TALER_denom_sig_free (&coin.sig);
@@ -157,7 +160,9 @@ test_planchets_cs (void)
&dk_pub,
TALER_DENOMINATION_CS));
- TALER_planchet_setup_random (&ps, TALER_DENOMINATION_CS);
+ alg_values.cipher = TALER_DENOMINATION_CS;
+ TALER_planchet_setup_random (&ps,
+ &alg_values);
TALER_cs_withdraw_nonce_derive (&ps.coin_priv,
&pd.blinded_planchet.details.
cs_blinded_planchet.nonce);
@@ -166,9 +171,7 @@ test_planchets_cs (void)
&pd.blinded_planchet.details.cs_blinded_planchet.nonce,
&dk_priv,
&alg_values.details.cs_values.r_pub));
- // TODO: eliminate r_pubs parameter
TALER_planchet_blinding_secret_create (&ps,
- TALER_DENOMINATION_CS,
&alg_values);
GNUNET_assert (GNUNET_OK ==
diff --git a/src/util/test_helper_cs.c b/src/util/test_helper_cs.c
index 22f39b34..5a41c7fa 100644
--- a/src/util/test_helper_cs.c
+++ b/src/util/test_helper_cs.c
@@ -268,9 +268,11 @@ test_r_derive (struct TALER_CRYPTO_CsDenominationHelper *dh)
bool success = false;
struct TALER_PlanchetSecretsP ps;
struct TALER_CoinPubHash c_hash;
- struct TALER_ExchangeWithdrawValues values;
+ struct TALER_ExchangeWithdrawValues alg_values;
- TALER_planchet_setup_random (&ps, TALER_DENOMINATION_CS);
+ alg_values.cipher = TALER_DENOMINATION_CS;
+ TALER_planchet_setup_random (&ps,
+ &alg_values);
for (unsigned int i = 0; i<MAX_KEYS; i++)
{
struct TALER_PlanchetDetail pd;
@@ -288,7 +290,7 @@ test_r_derive (struct TALER_CRYPTO_CsDenominationHelper *dh)
"Requesting R derivation with key %s\n",
GNUNET_h2s (&keys[i].h_cs.hash));
- values.details.cs_values.r_pub
+ alg_values.details.cs_values.r_pub
= TALER_CRYPTO_helper_cs_r_derive (dh,
&keys[i].h_cs,
&pd.blinded_planchet.
@@ -323,11 +325,10 @@ test_r_derive (struct TALER_CRYPTO_CsDenominationHelper *dh)
GNUNET_h2s (&keys[i].h_cs.hash));
TALER_planchet_blinding_secret_create (&ps,
- TALER_DENOMINATION_CS,
- &values);
+ &alg_values);
GNUNET_assert (GNUNET_OK ==
TALER_planchet_prepare (&keys[i].denom_pub,
- &values,
+ &alg_values,
&ps,
&c_hash,
&pd));
@@ -409,10 +410,11 @@ test_signing (struct TALER_CRYPTO_CsDenominationHelper *dh)
bool success = false;
struct TALER_PlanchetSecretsP ps;
struct TALER_CoinPubHash c_hash;
- struct TALER_ExchangeWithdrawValues values;
+ struct TALER_ExchangeWithdrawValues alg_values;
-
- TALER_planchet_setup_random (&ps, TALER_DENOMINATION_CS);
+ alg_values.cipher = TALER_DENOMINATION_CS;
+ TALER_planchet_setup_random (&ps,
+ &alg_values);
for (unsigned int i = 0; i<MAX_KEYS; i++)
{
if (! keys[i].valid)
@@ -425,7 +427,7 @@ test_signing (struct TALER_CRYPTO_CsDenominationHelper *dh)
TALER_cs_withdraw_nonce_derive (&ps.coin_priv,
&pd.blinded_planchet.details.
cs_blinded_planchet.nonce);
- values.details.cs_values.r_pub
+ alg_values.details.cs_values.r_pub
= TALER_CRYPTO_helper_cs_r_derive (dh,
&keys[i].h_cs,
&pd.blinded_planchet.
@@ -433,12 +435,11 @@ test_signing (struct TALER_CRYPTO_CsDenominationHelper *dh)
cs_blinded_planchet.nonce,
&ec);
TALER_planchet_blinding_secret_create (&ps,
- TALER_DENOMINATION_CS,
- &values);
+ &alg_values);
GNUNET_assert (GNUNET_YES ==
TALER_planchet_prepare (&keys[i].denom_pub,
- &values,
+ &alg_values,
&ps,
&c_hash,
&pd));
@@ -479,7 +480,7 @@ test_signing (struct TALER_CRYPTO_CsDenominationHelper *dh)
&ds,
&ps,
&c_hash,
- &values,
+ &alg_values,
&coin))
{
GNUNET_break (0);
@@ -534,7 +535,7 @@ test_signing (struct TALER_CRYPTO_CsDenominationHelper *dh)
pd.blinded_planchet.cipher = TALER_DENOMINATION_CS;
GNUNET_assert (GNUNET_YES ==
TALER_planchet_prepare (&keys[0].denom_pub,
- &values,
+ &alg_values,
&ps,
&c_hash,
&pd));
@@ -573,8 +574,11 @@ perf_signing (struct TALER_CRYPTO_CsDenominationHelper *dh,
enum TALER_ErrorCode ec;
struct GNUNET_TIME_Relative duration;
struct TALER_PlanchetSecretsP ps;
+ struct TALER_ExchangeWithdrawValues alg_values;
- TALER_planchet_setup_random (&ps, TALER_DENOMINATION_CS);
+ alg_values.cipher = TALER_DENOMINATION_CS;
+ TALER_planchet_setup_random (&ps,
+ &alg_values);
duration = GNUNET_TIME_UNIT_ZERO;
TALER_CRYPTO_helper_cs_poll (dh);
for (unsigned int j = 0; j<NUM_SIGN_PERFS;)
@@ -596,7 +600,6 @@ perf_signing (struct TALER_CRYPTO_CsDenominationHelper *dh,
{
struct TALER_CoinPubHash c_hash;
struct TALER_PlanchetDetail pd;
- struct TALER_ExchangeWithdrawValues values;
pd.blinded_planchet.cipher = TALER_DENOMINATION_CS;
@@ -604,7 +607,7 @@ perf_signing (struct TALER_CRYPTO_CsDenominationHelper *dh,
&pd.blinded_planchet.details.
cs_blinded_planchet.nonce);
- values.details.cs_values.r_pub
+ alg_values.details.cs_values.r_pub
= TALER_CRYPTO_helper_cs_r_derive (dh,
&keys[i].h_cs,
&pd.blinded_planchet.
@@ -612,12 +615,11 @@ perf_signing (struct TALER_CRYPTO_CsDenominationHelper *dh,
cs_blinded_planchet.nonce,
&ec);
TALER_planchet_blinding_secret_create (&ps,
- TALER_DENOMINATION_CS,
- &values);
+ &alg_values);
GNUNET_assert (GNUNET_YES ==
TALER_planchet_prepare (&keys[i].denom_pub,
- &values,
+ &alg_values,
&ps,
&c_hash,
&pd));
diff --git a/src/util/test_helper_rsa.c b/src/util/test_helper_rsa.c
index 8cfea4be..f9f1a860 100644
--- a/src/util/test_helper_rsa.c
+++ b/src/util/test_helper_rsa.c
@@ -268,21 +268,25 @@ test_signing (struct TALER_CRYPTO_RsaDenominationHelper *dh)
enum TALER_ErrorCode ec;
bool success = false;
struct TALER_PlanchetSecretsP ps;
+ struct TALER_ExchangeWithdrawValues alg_values;
struct TALER_CoinPubHash c_hash;
- TALER_planchet_setup_random (&ps, TALER_DENOMINATION_RSA);
+ alg_values.cipher = TALER_DENOMINATION_RSA;
+ TALER_planchet_setup_random (&ps,
+ &alg_values);
for (unsigned int i = 0; i<MAX_KEYS; i++)
{
if (! keys[i].valid)
continue;
+ if (TALER_DENOMINATION_RSA != keys[i].denom_pub.cipher)
+ continue;
{
struct TALER_PlanchetDetail pd;
pd.blinded_planchet.cipher = TALER_DENOMINATION_RSA;
- // keys[i].denom_pub.cipher = TALER_DENOMINATION_CS;
GNUNET_assert (GNUNET_YES ==
TALER_planchet_prepare (&keys[i].denom_pub,
- NULL, /* not needed in RSA*/
+ &alg_values,
&ps,
&c_hash,
&pd));
@@ -299,8 +303,7 @@ test_signing (struct TALER_CRYPTO_RsaDenominationHelper *dh)
pd.blinded_planchet.details.
rsa_blinded_planchet.blinded_msg_size,
&ec);
- GNUNET_free (
- pd.blinded_planchet.details.rsa_blinded_planchet.blinded_msg);
+ TALER_blinded_planchet_free (&pd.blinded_planchet);
}
switch (ec)
{
@@ -426,8 +429,11 @@ perf_signing (struct TALER_CRYPTO_RsaDenominationHelper *dh,
enum TALER_ErrorCode ec;
struct GNUNET_TIME_Relative duration;
struct TALER_PlanchetSecretsP ps;
+ struct TALER_ExchangeWithdrawValues alg_values;
- TALER_planchet_setup_random (&ps, TALER_DENOMINATION_RSA);
+ alg_values.cipher = TALER_DENOMINATION_RSA;
+ TALER_planchet_setup_random (&ps,
+ &alg_values);
duration = GNUNET_TIME_UNIT_ZERO;
TALER_CRYPTO_helper_rsa_poll (dh);
for (unsigned int j = 0; j<NUM_SIGN_PERFS;)
@@ -436,6 +442,8 @@ perf_signing (struct TALER_CRYPTO_RsaDenominationHelper *dh,
{
if (! keys[i].valid)
continue;
+ if (TALER_DENOMINATION_RSA != keys[i].denom_pub.cipher)
+ continue;
if (GNUNET_TIME_relative_cmp (GNUNET_TIME_absolute_get_remaining (
keys[i].start_time.abs_time),
>,
@@ -452,7 +460,7 @@ perf_signing (struct TALER_CRYPTO_RsaDenominationHelper *dh,
GNUNET_assert (GNUNET_YES ==
TALER_planchet_prepare (&keys[i].denom_pub,
- NULL, /* not needed in RSA*/
+ &alg_values,
&ps,
&c_hash,
&pd));
@@ -480,8 +488,7 @@ perf_signing (struct TALER_CRYPTO_RsaDenominationHelper *dh,
if (NUM_SIGN_PERFS <= j)
break;
}
- GNUNET_free (
- pd.blinded_planchet.details.rsa_blinded_planchet.blinded_msg);
+ TALER_blinded_planchet_free (&pd.blinded_planchet);
}
} /* for i */
} /* for j */
generated by cgit v1.2.3 (git 2.39.1) at 2025-10-31 03:52:47 +0000