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moving TALER_hash_context API to GNUnet, using slightly cleaner API as well

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This commit is contained in:
Christian Grothoff 2015-01-09 17:26:02 +01:00
parent 09ecea9ea3
commit f5e49d926a
4 changed files with 32 additions and 64 deletions
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16
src/include/taler_util.h
View File

@ -79,11 +79,6 @@ struct TALER_AmountNBO
GNUNET_NETWORK_STRUCT_END
struct TALER_HashContext
{
gcry_md_hd_t hd;
};
/**
@ -230,16 +225,5 @@ TALER_refresh_encrypt (const void *input, size_t input_size, const struct GNUNET
void
TALER_hash_context_start (struct TALER_HashContext *hc);
void
TALER_hash_context_read (struct TALER_HashContext *hc, void *buf, size_t size);
void
TALER_hash_context_finish (struct TALER_HashContext *hc,
struct GNUNET_HashCode *r_hash);
#endif

48
src/mint/taler-mint-httpd_refresh.c
View File

@ -118,7 +118,7 @@ refresh_accept_denoms (struct MHD_Connection *connection,
const struct MintKeyState *key_state,
const struct GNUNET_CRYPTO_EddsaPublicKey *session_pub,
const json_t *root,
struct TALER_HashContext *hash_context,
struct GNUNET_HashContext *hash_context,
struct TALER_Amount *r_amount)
{
unsigned i;
@ -154,7 +154,7 @@ refresh_accept_denoms (struct MHD_Connection *connection,
dki = TALER_MINT_get_denom_key (key_state, &denom_pub);
TALER_hash_context_read (hash_context,
GNUNET_CRYPTO_hash_context_read (hash_context,
&denom_pub, sizeof (struct TALER_RSA_PublicKeyBinaryEncoded));
cost = TALER_amount_add (TALER_amount_ntoh (dki->value),
@ -307,7 +307,7 @@ refresh_accept_melts (struct MHD_Connection *connection,
const struct MintKeyState *key_state,
const struct GNUNET_CRYPTO_EddsaPublicKey *session_pub,
json_t *root,
struct TALER_HashContext *hash_context,
struct GNUNET_HashContext *hash_context,
struct TALER_Amount *r_melt_balance)
{
size_t i;
@ -350,7 +350,7 @@ refresh_accept_melts (struct MHD_Connection *connection,
return res;
}
TALER_hash_context_read (hash_context,
GNUNET_CRYPTO_hash_context_read (hash_context,
&coin_public_info.coin_pub, sizeof (struct GNUNET_CRYPTO_EddsaPublicKey));
dki = TALER_MINT_get_denom_key (key_state, &coin_public_info.denom_pub);
@ -442,7 +442,7 @@ helper_refresh_send_melt_response (struct MHD_Connection *connection,
int res;
json_t *root;
json_t *list;
struct TALER_HashContext hash_context;
struct GNUNET_HashContext *hash_context;
if (GNUNET_OK !=
(res = TALER_MINT_DB_get_refresh_session (db_conn,
@ -458,7 +458,7 @@ helper_refresh_send_melt_response (struct MHD_Connection *connection,
list = json_array ();
json_object_set_new (root, "blind_session_pubs", list);
TALER_hash_context_start (&hash_context);
hash_context = GNUNET_CRYPTO_hash_context_start ();
{
struct RefreshMeltResponseSignatureBody body;
@ -466,7 +466,7 @@ helper_refresh_send_melt_response (struct MHD_Connection *connection,
body.purpose.size = htonl (sizeof (struct RefreshMeltResponseSignatureBody));
body.purpose.purpose = htonl (TALER_SIGNATURE_REFRESH_MELT_RESPONSE);
TALER_hash_context_finish (&hash_context, &body.melt_response_hash);
GNUNET_CRYPTO_hash_context_finish (hash_context, &body.melt_response_hash);
sig_json = sign_as_json (&body.purpose);
GNUNET_assert (NULL != sig_json);
json_object_set (root, "signature", sig_json);
@ -588,7 +588,7 @@ TALER_MINT_handler_refresh_melt (struct RequestHandler *rh,
struct MintKeyState *key_state;
struct TALER_Amount requested_cost;
struct TALER_Amount melt_balance;
struct TALER_HashContext hash_context;
struct GNUNET_HashContext *hash_context;
struct GNUNET_HashCode melt_hash;
res = process_post_json (connection,
@ -666,16 +666,16 @@ TALER_MINT_handler_refresh_melt (struct RequestHandler *rh,
/* Write requested denominations to the DB,
* and sum the costs (value plus fees) */
TALER_hash_context_start (&hash_context);
hash_context = GNUNET_CRYPTO_hash_context_start ();
if (GNUNET_OK != (res = refresh_accept_denoms (connection, db_conn, key_state,
&refresh_session_pub, root,
&hash_context,
hash_context,
&requested_cost)))
{
TALER_MINT_key_state_release (key_state);
TALER_MINT_DB_rollback (db_conn);
// FIXME: hash_context_end?
GNUNET_CRYPTO_hash_context_abort (hash_context);
return (GNUNET_SYSERR == res) ? MHD_NO : MHD_YES;
}
@ -683,15 +683,16 @@ TALER_MINT_handler_refresh_melt (struct RequestHandler *rh,
if (GNUNET_OK != (res = refresh_accept_melts (connection, db_conn, key_state,
&refresh_session_pub, root,
&hash_context,
hash_context,
&melt_balance)))
{
TALER_MINT_key_state_release (key_state);
GNUNET_break (GNUNET_OK == TALER_MINT_DB_rollback (db_conn));
GNUNET_CRYPTO_hash_context_abort (hash_context);
return (GNUNET_SYSERR == res) ? MHD_NO : MHD_YES;
}
TALER_hash_context_finish (&hash_context, &melt_hash);
GNUNET_CRYPTO_hash_context_finish (hash_context, &melt_hash);
TALER_MINT_key_state_release (key_state);
@ -800,7 +801,7 @@ TALER_MINT_handler_refresh_commit (struct RequestHandler *rh,
struct RefreshSession refresh_session;
int i;
struct GNUNET_HashCode commit_hash;
struct TALER_HashContext hash_context;
struct GNUNET_HashContext *hash_context;
json_t *root;
res = process_post_json (connection,
@ -880,7 +881,7 @@ TALER_MINT_handler_refresh_commit (struct RequestHandler *rh,
return MHD_NO;
}
TALER_hash_context_start (&hash_context);
hash_context = GNUNET_CRYPTO_hash_context_start ();
for (i = 0; i < refresh_session.kappa; i++)
{
@ -903,10 +904,11 @@ TALER_MINT_handler_refresh_commit (struct RequestHandler *rh,
// FIXME: return 'internal error'?
GNUNET_break (0);
GNUNET_break (GNUNET_OK == TALER_MINT_DB_rollback (db_conn));
GNUNET_CRYPTO_hash_context_abort (hash_context);
return (GNUNET_SYSERR == res) ? MHD_NO : MHD_YES;
}
TALER_hash_context_read (&hash_context,
GNUNET_CRYPTO_hash_context_read (hash_context,
&commit_coin.coin_ev,
sizeof (struct TALER_RSA_BlindedSignaturePurpose));
@ -922,10 +924,11 @@ TALER_MINT_handler_refresh_commit (struct RequestHandler *rh,
// FIXME: return 'internal error'?
GNUNET_break (0);
GNUNET_break (GNUNET_OK == TALER_MINT_DB_rollback (db_conn));
GNUNET_CRYPTO_hash_context_abort (hash_context);
return (GNUNET_SYSERR == res) ? MHD_NO : MHD_YES;
}
TALER_hash_context_read (&hash_context,
GNUNET_CRYPTO_hash_context_read (hash_context,
commit_coin.link_enc,
TALER_REFRESH_LINK_LENGTH);
@ -940,6 +943,7 @@ TALER_MINT_handler_refresh_commit (struct RequestHandler *rh,
// FIXME: return 'internal error'?
GNUNET_break (0);
GNUNET_break (GNUNET_OK == TALER_MINT_DB_rollback (db_conn));
GNUNET_CRYPTO_hash_context_abort (hash_context);
return MHD_NO;
}
}
@ -964,10 +968,11 @@ TALER_MINT_handler_refresh_commit (struct RequestHandler *rh,
{
GNUNET_break (GNUNET_SYSERR != res);
GNUNET_break (GNUNET_OK == TALER_MINT_DB_rollback (db_conn));
GNUNET_CRYPTO_hash_context_abort (hash_context);
return (GNUNET_SYSERR == res) ? MHD_NO : MHD_YES;
}
TALER_hash_context_read (&hash_context,
GNUNET_CRYPTO_hash_context_read (hash_context,
&commit_link.transfer_pub,
sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey));
@ -983,10 +988,11 @@ TALER_MINT_handler_refresh_commit (struct RequestHandler *rh,
{
GNUNET_break (GNUNET_SYSERR != res);
GNUNET_break (GNUNET_OK == TALER_MINT_DB_rollback (db_conn));
GNUNET_CRYPTO_hash_context_abort (hash_context);
return (GNUNET_SYSERR == res) ? MHD_NO : MHD_YES;
}
TALER_hash_context_read (&hash_context,
GNUNET_CRYPTO_hash_context_read (hash_context,
commit_link.shared_secret_enc,
TALER_REFRESH_SHARED_SECRET_LENGTH);
@ -999,12 +1005,14 @@ TALER_MINT_handler_refresh_commit (struct RequestHandler *rh,
// FIXME: return 'internal error'?
GNUNET_break (0);
GNUNET_break (GNUNET_OK == TALER_MINT_DB_rollback (db_conn));
GNUNET_CRYPTO_hash_context_abort (hash_context);
return MHD_NO;
}
}
}
TALER_hash_context_finish (&hash_context, &commit_hash);
GNUNET_CRYPTO_hash_context_finish (hash_context, &commit_hash);
{
struct RefreshCommitSignatureBody body;

8
src/util/test_hash_context.c
View File

@ -31,13 +31,13 @@ int main()
char data[1234];
struct GNUNET_HashCode hc1;
struct GNUNET_HashCode hc2;
struct TALER_HashContext hctx;
struct GNUNET_HashContext hctx;
memset (data, 42, LEN);
TALER_hash_context_start (&hctx);
TALER_hash_context_read (&hctx, data, LEN);
TALER_hash_context_finish (&hctx, &hc1);
GNUNET_CRYPTO_hash_context_start (&hctx);
GNUNET_CRYPTO_hash_context_read (&hctx, data, LEN);
GNUNET_CRYPTO_hash_context_finish (&hctx, &hc1);
GNUNET_CRYPTO_hash (data, LEN, &hc2);

24
src/util/util.c
View File

@ -462,30 +462,6 @@ TALER_refresh_encrypt (const void *input, size_t input_size, const struct GNUNET
}
void
TALER_hash_context_start (struct TALER_HashContext *hc)
{
GNUNET_assert (0 == gcry_md_open (&hc->hd, GCRY_MD_SHA512, 0));
}
void
TALER_hash_context_read (struct TALER_HashContext *hc, void *buf, size_t size)
{
gcry_md_write (hc->hd, buf, size);
}
void
TALER_hash_context_finish (struct TALER_HashContext *hc,
struct GNUNET_HashCode *r_hash)
{
void *res = gcry_md_read (hc->hd, 0);
GNUNET_assert (NULL != res);
if (NULL != r_hash)
memcpy (r_hash, res, sizeof (struct GNUNET_HashCode));
gcry_md_close (hc->hd);
}
/* end of util.c */