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| author | Christian Grothoff <christian@grothoff.org> | 2022-09-18 17:36:35 +0200 |
|---|---|---|
| committer | Christian Grothoff <christian@grothoff.org> | 2022-09-18 17:36:35 +0200 |
| commit | 18a2fae3b594f7ef54104b708d00641f6ed5de1e (patch) | |
| tree | e70dff8fb8bab32838c5b6d1da04eb31abf6e46e /src/util/util.c | |
| parent | b4b857abeaa0447b8dd4626f303ce7cdb728f0b7 (diff) | |
| download | exchange-18a2fae3b594f7ef54104b708d00641f6ed5de1e.tar.gz exchange-18a2fae3b594f7ef54104b708d00641f6ed5de1e.tar.bz2 exchange-18a2fae3b594f7ef54104b708d00641f6ed5de1e.zip | |
add new signature functions for DD31
Diffstat (limited to 'src/util/util.c')
| -rw-r--r-- | src/util/util.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/util/util.c b/src/util/util.c index 2d10fd69d..f715456d8 100644 --- a/src/util/util.c +++ b/src/util/util.c @@ -217,6 +217,31 @@ TALER_denom_fee_check_currency ( } +/** + * Hash normalized @a j JSON object or array and + * store the result in @a hc. + * + * @param j JSON to hash + * @param[out] hc where to write the hash + */ +void +TALER_json_hash (const json_t *j, + struct GNUNET_HashCode *hc) +{ + char *cstr; + size_t clen; + + cstr = json_dumps (j, + JSON_COMPACT | JSON_SORT_KEYS); + GNUNET_assert (NULL != cstr); + clen = strlen (cstr); + GNUNET_CRYPTO_hash (cstr, + clen, + hc); + free (cstr); +} + + #ifdef __APPLE__ char * strchrnul (const char *s, |