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-rw-r--r--src/util/crypto_helper_cs.c209
1 files changed, 15 insertions, 194 deletions
diff --git a/src/util/crypto_helper_cs.c b/src/util/crypto_helper_cs.c
index 7554be40d..5f7d3d6f9 100644
--- a/src/util/crypto_helper_cs.c
+++ b/src/util/crypto_helper_cs.c
@@ -378,32 +378,17 @@ more:
}
-/**
- * Request helper @a dh to sign @a msg using the public key corresponding to
- * @a h_denom_pub.
- *
- * This operation will block until the signature has been obtained. Should
- * this process receive a signal (that is not ignored) while the operation is
- * pending, the operation will fail. Note that the helper may still believe
- * that it created the signature. Thus, signals may result in a small
- * differences in the signature counters. Retrying in this case may work.
- *
- * @param dh helper process connection
- * @param h_cs hash of the CS public key to use to sign
- * @param blinded_planchet blinded planchet containing c and nonce
- * @param for_melt true if the HKDF for melt should be used
- * @param[out] bs set to the blind signature
- * @return #TALER_EC_NONE on success
- */
-static enum TALER_ErrorCode
-helper_cs_sign (
+enum TALER_ErrorCode
+TALER_CRYPTO_helper_cs_sign (
struct TALER_CRYPTO_CsDenominationHelper *dh,
- const struct TALER_CsPubHashP *h_cs,
- const struct TALER_BlindedCsPlanchet *blinded_planchet,
+ const struct TALER_CRYPTO_CsSignRequest *req,
bool for_melt,
struct TALER_BlindedDenominationSignature *bs)
{
enum TALER_ErrorCode ec = TALER_EC_INVALID;
+ const struct TALER_CsPubHashP *h_cs = req->h_cs;
+ const struct TALER_BlindedCsPlanchet *blinded_planchet =
+ req->blinded_planchet;
bs->cipher = TALER_DENOMINATION_INVALID;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
@@ -592,34 +577,6 @@ end:
}
-enum TALER_ErrorCode
-TALER_CRYPTO_helper_cs_sign_melt (
- struct TALER_CRYPTO_CsDenominationHelper *dh,
- const struct TALER_CRYPTO_CsSignRequest *req,
- struct TALER_BlindedDenominationSignature *bs)
-{
- return helper_cs_sign (dh,
- req->h_cs,
- req->blinded_planchet,
- true,
- bs);
-}
-
-
-enum TALER_ErrorCode
-TALER_CRYPTO_helper_cs_sign_withdraw (
- struct TALER_CRYPTO_CsDenominationHelper *dh,
- const struct TALER_CRYPTO_CsSignRequest *req,
- struct TALER_BlindedDenominationSignature *bs)
-{
- return helper_cs_sign (dh,
- req->h_cs,
- req->blinded_planchet,
- false,
- bs);
-}
-
-
void
TALER_CRYPTO_helper_cs_revoke (
struct TALER_CRYPTO_CsDenominationHelper *dh,
@@ -650,31 +607,15 @@ TALER_CRYPTO_helper_cs_revoke (
}
-/**
- * Ask the helper to derive R using the @a nonce and denomination key
- * associated with @a h_cs.
- *
- * This operation will block until the R has been obtained. Should
- * this process receive a signal (that is not ignored) while the operation is
- * pending, the operation will fail. Note that the helper may still believe
- * that it created the signature. Thus, signals may result in a small
- * differences in the signature counters. Retrying in this case may work.
- *
- * @param dh helper to process connection
- * @param h_cs hash of the CS public key to revoke
- * @param nonce witdhraw nonce
- * @param for_melt true if the HKDF for melt should be used
- * @param[out] crp set to the pair of R values
- * @return set to the error code (or #TALER_EC_NONE on success)
- */
-static enum TALER_ErrorCode
-helper_cs_r_derive (struct TALER_CRYPTO_CsDenominationHelper *dh,
- const struct TALER_CsPubHashP *h_cs,
- const struct TALER_CsNonce *nonce,
- bool for_melt,
- struct TALER_DenominationCSPublicRPairP *crp)
+enum TALER_ErrorCode
+TALER_CRYPTO_helper_cs_r_derive (struct TALER_CRYPTO_CsDenominationHelper *dh,
+ const struct TALER_CRYPTO_CsDeriveRequest *cdr,
+ bool for_melt,
+ struct TALER_DenominationCSPublicRPairP *crp)
{
enum TALER_ErrorCode ec = TALER_EC_INVALID;
+ const struct TALER_CsPubHashP *h_cs = cdr->h_cs;
+ const struct TALER_CsNonce *nonce = cdr->nonce;
memset (crp,
0,
@@ -852,51 +793,7 @@ more:
enum TALER_ErrorCode
-TALER_CRYPTO_helper_cs_r_derive_withdraw (
- struct TALER_CRYPTO_CsDenominationHelper *dh,
- const struct TALER_CRYPTO_CsDeriveRequest *cdr,
- struct TALER_DenominationCSPublicRPairP *crp)
-{
- return helper_cs_r_derive (dh,
- cdr->h_cs,
- cdr->nonce,
- false,
- crp);
-}
-
-
-enum TALER_ErrorCode
-TALER_CRYPTO_helper_cs_r_derive_melt (
- struct TALER_CRYPTO_CsDenominationHelper *dh,
- const struct TALER_CRYPTO_CsDeriveRequest *cdr,
- struct TALER_DenominationCSPublicRPairP *crp)
-{
- return helper_cs_r_derive (dh,
- cdr->h_cs,
- cdr->nonce,
- true,
- crp);
-}
-
-
-/**
- * Request helper @a dh to sign batch of @a reqs requests.
- *
- * This operation will block until the signature has been obtained. Should
- * this process receive a signal (that is not ignored) while the operation is
- * pending, the operation will fail. Note that the helper may still believe
- * that it created the signature. Thus, signals may result in a small
- * differences in the signature counters. Retrying in this case may work.
- *
- * @param dh helper process connection
- * @param reqs information about the keys to sign with and the values to sign
- * @param reqs_length length of the @a reqs array
- * @param for_melt true if this is for a melt operation
- * @param[out] bs array set to the blind signatures, must be of length @a reqs_length!
- * @return #TALER_EC_NONE on success
- */
-static enum TALER_ErrorCode
-helper_cs_batch_sign (
+TALER_CRYPTO_helper_cs_batch_sign (
struct TALER_CRYPTO_CsDenominationHelper *dh,
const struct TALER_CRYPTO_CsSignRequest *reqs,
unsigned int reqs_length,
@@ -1141,53 +1038,7 @@ more:
enum TALER_ErrorCode
-TALER_CRYPTO_helper_cs_batch_sign_melt (
- struct TALER_CRYPTO_CsDenominationHelper *dh,
- const struct TALER_CRYPTO_CsSignRequest *reqs,
- unsigned int reqs_length,
- struct TALER_BlindedDenominationSignature *bss)
-{
- return helper_cs_batch_sign (dh,
- reqs,
- reqs_length,
- true,
- bss);
-}
-
-
-enum TALER_ErrorCode
-TALER_CRYPTO_helper_cs_batch_sign_withdraw (
- struct TALER_CRYPTO_CsDenominationHelper *dh,
- const struct TALER_CRYPTO_CsSignRequest *reqs,
- unsigned int reqs_length,
- struct TALER_BlindedDenominationSignature *bss)
-{
- return helper_cs_batch_sign (dh,
- reqs,
- reqs_length,
- false,
- bss);
-}
-
-
-/**
- * Ask the helper to derive R using the information from @a cdrs.
- *
- * This operation will block until the R has been obtained. Should
- * this process receive a signal (that is not ignored) while the operation is
- * pending, the operation will fail. Note that the helper may still believe
- * that it created the signature. Thus, signals may result in a small
- * differences in the signature counters. Retrying in this case may work.
- *
- * @param dh helper to process connection
- * @param cdrs array with derivation input data
- * @param cdrs_length length of the @a cdrs array
- * @param for_melt true if this is for a melt operation
- * @param[out] crp array set to the pair of R values, must be of length @a cdrs_length
- * @return set to the error code (or #TALER_EC_NONE on success)
- */
-static enum TALER_ErrorCode
-helper_cs_r_batch_derive (
+TALER_CRYPTO_helper_cs_r_batch_derive (
struct TALER_CRYPTO_CsDenominationHelper *dh,
const struct TALER_CRYPTO_CsDeriveRequest *cdrs,
unsigned int cdrs_length,
@@ -1429,36 +1280,6 @@ more:
}
-enum TALER_ErrorCode
-TALER_CRYPTO_helper_cs_r_batch_derive_withdraw (
- struct TALER_CRYPTO_CsDenominationHelper *dh,
- const struct TALER_CRYPTO_CsDeriveRequest *cdrs,
- unsigned int cdrs_length,
- struct TALER_DenominationCSPublicRPairP *crps)
-{
- return helper_cs_r_batch_derive (dh,
- cdrs,
- cdrs_length,
- false,
- crps);
-}
-
-
-enum TALER_ErrorCode
-TALER_CRYPTO_helper_cs_r_batch_derive_melt (
- struct TALER_CRYPTO_CsDenominationHelper *dh,
- const struct TALER_CRYPTO_CsDeriveRequest *cdrs,
- unsigned int cdrs_length,
- struct TALER_DenominationCSPublicRPairP *crps)
-{
- return helper_cs_r_batch_derive (dh,
- cdrs,
- cdrs_length,
- true,
- crps);
-}
-
-
void
TALER_CRYPTO_helper_cs_disconnect (
struct TALER_CRYPTO_CsDenominationHelper *dh)