diff options
| author | Christian Grothoff <christian@grothoff.org> | 2020-11-23 16:36:07 +0100 |
|---|---|---|
| committer | Christian Grothoff <christian@grothoff.org> | 2020-11-23 16:36:07 +0100 |
| commit | 3e37c63fbd0abff5d0d05eea60a05f6b28598ee6 (patch) | |
| tree | c1fe78a141dfae1ebf24fa866940d77ac2dcb791 /src/util/crypto_helper_denom.c | |
| parent | c0a6e13b3c8bd7a8321bb11fde917869d67dcbc1 (diff) | |
implement sm signing of key announcements
Diffstat (limited to 'src/util/crypto_helper_denom.c')
| -rw-r--r-- | src/util/crypto_helper_denom.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/src/util/crypto_helper_denom.c b/src/util/crypto_helper_denom.c index b999be02a..a216d305b 100644 --- a/src/util/crypto_helper_denom.c +++ b/src/util/crypto_helper_denom.c @@ -20,6 +20,7 @@ */ #include "platform.h" #include "taler_util.h" +#include "taler_signatures.h" #include "taler-helper-crypto-rsa.h" @@ -276,7 +277,12 @@ handle_mt_avail (struct TALER_CRYPTO_DenominationHelper *dh, { struct TALER_DenominationPublicKey denom_pub; - struct GNUNET_HashCode h_denom_pub; + struct TALER_DenominationKeyAnnouncementPS dka = { + .purpose.purpose = htonl (TALER_SIGNATURE_SM_DENOMINATION_KEY), + .purpose.size = htonl (sizeof (dka)), + .anchor_time = kan->anchor_time, + .duration_withdraw = kan->duration_withdraw + }; denom_pub.rsa_public_key = GNUNET_CRYPTO_rsa_public_key_decode (buf, @@ -287,13 +293,25 @@ handle_mt_avail (struct TALER_CRYPTO_DenominationHelper *dh, return GNUNET_SYSERR; } GNUNET_CRYPTO_rsa_public_key_hash (denom_pub.rsa_public_key, - &h_denom_pub); + &dka.h_denom_pub); + if (GNUNET_OK != + GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_SM_DENOMINATION_KEY, + &dka, + &kan->secm_sig.eddsa_signature, + &kan->secm_pub.eddsa_pub)) + { + GNUNET_break_op (0); + GNUNET_CRYPTO_rsa_public_key_free (denom_pub.rsa_public_key); + return GNUNET_SYSERR; + } dh->dkc (dh->dkc_cls, section_name, GNUNET_TIME_absolute_ntoh (kan->anchor_time), GNUNET_TIME_relative_ntoh (kan->duration_withdraw), - &h_denom_pub, - &denom_pub); + &dka.h_denom_pub, + &denom_pub, + &kan->secm_pub, + &kan->secm_sig); GNUNET_CRYPTO_rsa_public_key_free (denom_pub.rsa_public_key); } return GNUNET_OK; @@ -324,6 +342,8 @@ handle_mt_purge (struct TALER_CRYPTO_DenominationHelper *dh, GNUNET_TIME_UNIT_ZERO_ABS, GNUNET_TIME_UNIT_ZERO, &pn->h_denom_pub, + NULL, + NULL, NULL); return GNUNET_OK; } |