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-rw-r--r--dss.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/dss.c b/dss.c
index 60e97c1..a3b4dce 100644
--- a/dss.c
+++ b/dss.c
@@ -61,8 +61,15 @@ int buf_get_dss_pub_key(buffer* buf, dropbear_dss_key *key) {
goto out;
}
- if (mp_count_bits(key->p) < MIN_DSS_KEYLEN) {
- dropbear_log(LOG_WARNING, "DSS key too short");
+ if (mp_count_bits(key->p) < DSS_P_BITS) {
+ dropbear_log(LOG_WARNING, "Bad DSS p");
+ TRACE(("leave buf_get_dss_pub_key: short key"))
+ ret = DROPBEAR_FAILURE;
+ goto out;
+ }
+
+ if (mp_count_bits(key->q) < DSS_Q_BITS) {
+ dropbear_log(LOG_WARNING, "Bad DSS q");
TRACE(("leave buf_get_dss_pub_key: short key"))
ret = DROPBEAR_FAILURE;
goto out;