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-rw-r--r--include/olm/inbound_group_session.h20
1 files changed, 19 insertions, 1 deletions
diff --git a/include/olm/inbound_group_session.h b/include/olm/inbound_group_session.h
index d47af8a..739a89b 100644
--- a/include/olm/inbound_group_session.h
+++ b/include/olm/inbound_group_session.h
@@ -85,7 +85,8 @@ size_t olm_unpickle_inbound_group_session(
/**
- * Start a new inbound group session, based on the parameters supplied.
+ * Start a new inbound group session, from a key exported from
+ * olm_outbound_group_session_key
*
* Returns olm_error() on failure. On failure last_error will be set with an
* error code. The last_error will be:
@@ -100,6 +101,23 @@ size_t olm_init_inbound_group_session(
);
/**
+ * Import an inbound group session, from a previous export.
+ *
+ * Returns olm_error() on failure. On failure last_error will be set with an
+ * error code. The last_error will be:
+ *
+ * * OLM_INVALID_BASE64 if the session_key is not valid base64
+ * * OLM_BAD_SESSION_KEY if the session_key is invalid
+ */
+size_t olm_import_inbound_group_session(
+ OlmInboundGroupSession *session,
+ /* base64-encoded keys; note that it will be overwritten with the base64-decoded
+ data. */
+ uint8_t const * session_key, size_t session_key_length
+);
+
+
+/**
* Get an upper bound on the number of bytes of plain-text the decrypt method
* will write for a given input message length. The actual size could be
* different due to padding.