psycstore: postgres: add LENGTH checks for signature and purpose

diff --git a/src/psycstore/plugin_psycstore_postgres.c b/src/psycstore/plugin_psycstore_postgres.c
index c6d274a78cc41998458213da1d832f6f066c037a..273ab4e80fb74f641974ad770ec88e5ddbd2c474 100644 (file)
--- a/src/psycstore/plugin_psycstore_postgres.c
+++ b/src/psycstore/plugin_psycstore_postgres.c
@@ -158,8 +158,8 @@ database_setup (struct Plugin *plugin)
                               "CREATE TABLE IF NOT EXISTS messages (\n"
                               "  channel_id BIGINT NOT NULL REFERENCES channels(id),\n"
                               "  hop_counter INT NOT NULL,\n"
-                              "  signature BYTEA,\n"
-                              "  purpose BYTEA,\n"
+                              "  signature BYTEA CHECK (LENGTH(signature)=64),\n"
+                              "  purpose BYTEA CHECK (LENGTH(purpose)=8),\n"
                               "  fragment_id BIGINT NOT NULL,\n"
                               "  fragment_offset BIGINT NOT NULL,\n"
                               "  message_id BIGINT NOT NULL,\n"