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| author | Gian Demarmels <gian@demarmels.org> | 2022-01-06 16:24:50 +0100 |
|---|---|---|
| committer | Gian Demarmels <gian@demarmels.org> | 2022-02-04 15:34:21 +0100 |
| commit | 2d70c8c6d01c50ebee59907eeeeb3eed4b630767 (patch) | |
| tree | b7ffdd4ea8aeb7cc4dfda575e794dbf48c3dd678 /src/util/crypto_helper_cs.c | |
| parent | 82405b0ce5593b30a1b0ee1a1995f2214a71751c (diff) | |
| download | exchange-2d70c8c6d01c50ebee59907eeeeb3eed4b630767.tar.xz | |
secmod CS sign implementation
Diffstat (limited to 'src/util/crypto_helper_cs.c')
| -rw-r--r-- | src/util/crypto_helper_cs.c | 36 |
1 files changed, 6 insertions, 30 deletions
diff --git a/src/util/crypto_helper_cs.c b/src/util/crypto_helper_cs.c index 5b2999348..c24815a6a 100644 --- a/src/util/crypto_helper_cs.c +++ b/src/util/crypto_helper_cs.c @@ -210,16 +210,6 @@ handle_mt_avail (struct TALER_CRYPTO_CsDenominationHelper *dh, memcpy (&denom_pub.details.cs_public_key, buf, ntohs (kan->pub_size)); TALER_cs_pub_hash (&denom_pub.details.cs_public_key, &h_cs); - // enom_pub.details.rsa_public_key - // = GNUNET_CRYPTO_rsa_public_key_decode (buf, - // ntohs (kan->pub_size)); - // if (NULL == denom_pub.details.rsa_public_key) - // { - // GNUNET_break_op (0); - // return GNUNET_SYSERR; - // } - // GNUNET_CRYPTO_rsa_public_key_hash (denom_pub.details.rsa_public_key, - // &h_cs.hash); GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Received CS key %s (%s)\n", GNUNET_h2s (&h_cs.hash), @@ -394,8 +384,7 @@ struct TALER_BlindedDenominationSignature TALER_CRYPTO_helper_cs_sign ( struct TALER_CRYPTO_CsDenominationHelper *dh, const struct TALER_CsPubHashP *h_cs, - const void *msg, - size_t msg_size, + const struct TALER_BlindedCsPlanchet *blinded_planchet, enum TALER_ErrorCode *ec) { struct TALER_BlindedDenominationSignature ds = { @@ -416,7 +405,7 @@ TALER_CRYPTO_helper_cs_sign ( GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Requesting signature\n"); { - char buf[sizeof (struct TALER_CRYPTO_CsSignRequest) + msg_size]; + char buf[sizeof (struct TALER_CRYPTO_CsSignRequest)]; struct TALER_CRYPTO_CsSignRequest *sr = (struct TALER_CRYPTO_CsSignRequest *) buf; @@ -424,9 +413,7 @@ TALER_CRYPTO_helper_cs_sign ( sr->header.type = htons (TALER_HELPER_CS_MT_REQ_SIGN); sr->reserved = htonl (0); sr->h_cs = *h_cs; - memcpy (&sr[1], - msg, - msg_size); + sr->planchet = *blinded_planchet; if (GNUNET_OK != TALER_crypto_helper_send_all (dh->sock, buf, @@ -511,24 +498,13 @@ more: { const struct TALER_CRYPTO_SignResponse *sr = (const struct TALER_CRYPTO_SignResponse *) buf; - struct GNUNET_CRYPTO_RsaSignature *rsa_signature; - - rsa_signature = GNUNET_CRYPTO_rsa_signature_decode ( - &sr[1], - msize - sizeof (*sr)); - if (NULL == rsa_signature) - { - GNUNET_break_op (0); - do_disconnect (dh); - *ec = TALER_EC_EXCHANGE_DENOMINATION_HELPER_BUG; - goto end; - } + // TODO: add nullcheck GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received signature\n"); *ec = TALER_EC_NONE; finished = true; - ds.cipher = TALER_DENOMINATION_RSA; - ds.details.blinded_rsa_signature = rsa_signature; + ds.cipher = TALER_DENOMINATION_CS; + ds.details.blinded_cs_answer = sr->cs_answer; break; } case TALER_HELPER_CS_MT_RES_SIGN_FAILURE: |