diff options
| -rw-r--r-- | agent/divert-scd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/agent/divert-scd.c b/agent/divert-scd.c index 7e0d8eccb..15d1abd8d 100644 --- a/agent/divert-scd.c +++ b/agent/divert-scd.c @@ -517,7 +517,7 @@ agent_card_ecc_kem (ctrl_t ctrl, const unsigned char *ecc_ct, if (len == ecc_point_len) memcpy (ecc_ecdh, ecdh, len); - else if ((len - 1) * 2 == ecc_point_len - 1 && ecdh[0] == 0x02) + else if (len && (len - 1) * 2 == ecc_point_len - 1 && ecdh[0] == 0x02) { /* It's x-coordinate-only (compressed) point representation. */ memcpy (ecc_ecdh, ecdh, len); |