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refactor denomination key structs to allow proper signing / serialization with new variable-size RSA keys

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This commit is contained in:
Christian Grothoff 2015-03-15 18:27:32 +01:00
parent 7673ca0137
commit 4d98a1200a
4 changed files with 24 additions and 10 deletions
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7
src/include/taler_signatures.h
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@ -442,8 +442,11 @@ struct TALER_MINT_DenomKeyIssue
*/
struct TALER_AmountNBO fee_refresh;
// FIXME: does not work like this:
struct GNUNET_CRYPTO_rsa_PublicKey *denom_pub;
/**
* Hash code of the denomination public key.
*/
struct GNUNET_HashCode denom_hash;
};
GNUNET_NETWORK_STRUCT_END

9
src/mint/key_io.h
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@ -60,6 +60,7 @@ struct TALER_MINT_SignKeyIssuePriv
struct TALER_MINT_SignKeyIssue issue;
};
GNUNET_NETWORK_STRUCT_END
@ -77,7 +78,13 @@ struct TALER_MINT_DenomKeyIssuePriv
struct GNUNET_CRYPTO_rsa_PrivateKey *denom_priv;
/**
* Public information about a denomination key.
* Decoded denomination public key (the hash of it is in
* @e issue, but we sometimes need the full public key as well).
*/
struct GNUNET_CRYPTO_rsa_PublicKey *denom_pub;
/**
* Signed public information about a denomination key.
*/
struct TALER_MINT_DenomKeyIssue issue;
};

14
src/mint/taler-mint-httpd_keystate.c
View File

@ -106,11 +106,13 @@ static int reload_pipe[2];
* Convert the public part of a denomination key issue to a JSON
* object.
*
* @param pk public key of the denomination key
* @param dki the denomination key issue
* @return a JSON object describing the denomination key isue (public part)
*/
static json_t *
denom_key_issue_to_json (const struct TALER_MINT_DenomKeyIssue *dki)
denom_key_issue_to_json (struct GNUNET_CRYPTO_rsa_PublicKey *pk,
const struct TALER_MINT_DenomKeyIssue *dki)
{
return
json_pack ("{s:o, s:o, s:o, s:o, s:o, s:o, s:o, s:o, s:o}",
@ -124,7 +126,7 @@ denom_key_issue_to_json (const struct TALER_MINT_DenomKeyIssue *dki)
"stamp_expire_deposit",
TALER_JSON_from_abs (GNUNET_TIME_absolute_ntoh (dki->expire_spend)),
"denom_pub",
TALER_JSON_from_rsa_public_key (dki->denom_pub),
TALER_JSON_from_rsa_public_key (pk),
"value",
TALER_JSON_from_amount (TALER_amount_ntoh (dki->value)),
"fee_withdraw",
@ -202,9 +204,8 @@ reload_keys_denom_iter (void *cls,
return GNUNET_OK;
}
GNUNET_CRYPTO_hash (&dki->issue.denom_pub,
sizeof (struct GNUNET_CRYPTO_EddsaPublicKey),
&denom_key_hash);
GNUNET_CRYPTO_rsa_public_key_hash (dki->denom_pub,
&denom_key_hash);
d2 = GNUNET_memdup (dki,
sizeof (struct TALER_MINT_DenomKeyIssuePriv));
res = GNUNET_CONTAINER_multihashmap_put (ctx->denomkey_map,
@ -220,7 +221,8 @@ reload_keys_denom_iter (void *cls,
return GNUNET_OK;
}
json_array_append_new (ctx->denom_keys_array,
denom_key_issue_to_json (&dki->issue));
denom_key_issue_to_json (dki->denom_pub,
&dki->issue));
return GNUNET_OK;
}

4
src/mint/taler-mint-keyup.c
View File

@ -442,7 +442,9 @@ create_denomkey_issue (struct CoinTypeParams *params,
struct TALER_MINT_DenomKeyIssuePriv *dki)
{
GNUNET_assert (NULL != (dki->denom_priv = GNUNET_CRYPTO_rsa_private_key_create (RSA_KEYSIZE)));
dki->issue.denom_pub = GNUNET_CRYPTO_rsa_private_key_get_public (dki->denom_priv);
dki->denom_pub = GNUNET_CRYPTO_rsa_private_key_get_public (dki->denom_priv);
GNUNET_CRYPTO_rsa_public_key_hash (dki->denom_pub,
&dki->issue.denom_hash);
dki->issue.master = *master_pub;
dki->issue.start = GNUNET_TIME_absolute_hton (params->anchor);
dki->issue.expire_withdraw =