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| author | Dr. David Alan Gilbert <dave@treblig.org> | 2018-02-22 22:10:04 +0000 |
|---|---|---|
| committer | Dr. David Alan Gilbert <dave@treblig.org> | 2018-02-25 02:08:49 +0000 |
| commit | ab534c13c395bdcce5115945b796821cd1e6d75f (patch) | |
| tree | 78b18d4852cc0e9bc2565ce775c1523331b53161 /matrix-json.h | |
| parent | 8e49e86f59739d6e9dae3072864736553f78b466 (diff) | |
| download | purple-matrix-ab534c13c395bdcce5115945b796821cd1e6d75f.tar.gz | |
e2e: Add jws decode
JSON web signatures almost use base64 but with a slightly odd encoding;
decoding a JWS to base64.
Signed-off-by: Dr. David Alan Gilbert <dave@treblig.org>
Diffstat (limited to 'matrix-json.h')
| -rw-r--r-- | matrix-json.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/matrix-json.h b/matrix-json.h index 43b94aa..8aed2d1 100644 --- a/matrix-json.h +++ b/matrix-json.h @@ -65,6 +65,14 @@ const gchar *matrix_json_array_get_string_element(JsonArray *array, */ GString *matrix_canonical_json(JsonObject *object); +/* Decode a json web signature (JWS) which is almost base64, + * its needs _ -> / and - -> + and some = padding. + * as https://tools.ietf.org/html/draft-ietf-jose-json-web-signature-41#appendix-C + * The output buffer should be upto 3 bytes longer than the input + * depending on the amount of = padding needed. + */ +void matrix_json_jws_tobase64(gchar *out, const gchar *in); + /* Just dump the Json with the string prefix for debugging */ void matrix_debug_jsonobject(const char *reason, JsonObject *object); |