diff options
Diffstat (limited to 'src/json/json.c')
| -rw-r--r-- | src/json/json.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/json/json.c b/src/json/json.c index 688086a50..807ea0b61 100644 --- a/src/json/json.c +++ b/src/json/json.c @@ -25,7 +25,13 @@ /** - * Hash a JSON for binary signing. + * Hash a JSON object for binary signing. + * + * See https://tools.ietf.org/html/draft-rundgren-json-canonicalization-scheme-15 + * for fun JSON canonicalization problems. Callers must ensure that + * those are avoided in the input. We will use libjanson's "JSON_COMPACT" + * encoding for whitespace and "JSON_SORT_KEYS" to canonicalize as best + * as we can. * * @param[in] json some JSON value * @param[out] hc resulting hash code |