From 1a02e36c4c940d7b326fa58a9f8080f79b558bba Mon Sep 17 00:00:00 2001 From: Neels Hofmeyr Date: Sat, 7 Oct 2017 04:44:08 +0200 Subject: auth: add OSMO_MILENAGE_IND_BITLEN_MAX Will be used by OsmoHLR to validate VTY and CTRL input. Change-Id: Ic39f3404d1a49ffd06070aa9897b36f219eacf4d --- include/osmocom/crypt/auth.h | 1 + src/gsm/auth_milenage.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/include/osmocom/crypt/auth.h b/include/osmocom/crypt/auth.h index 7064c999..1b017c0a 100644 --- a/include/osmocom/crypt/auth.h +++ b/include/osmocom/crypt/auth.h @@ -10,6 +10,7 @@ #include #define OSMO_A5_MAX_KEY_LEN_BYTES (128/8) +#define OSMO_MILENAGE_IND_BITLEN_MAX 28 /*! Authentication Type (GSM/UMTS) */ enum osmo_sub_auth_type { diff --git a/src/gsm/auth_milenage.c b/src/gsm/auth_milenage.c index e1a1dfba..2ddf712b 100644 --- a/src/gsm/auth_milenage.c +++ b/src/gsm/auth_milenage.c @@ -112,7 +112,7 @@ static int milenage_gen_vec(struct osmo_auth_vector *vec, * { .ind_bitlen = 0, .ind = 0, .sqn = (desired_sqn - 1) } */ - if (aud->u.umts.ind_bitlen > 28) + if (aud->u.umts.ind_bitlen > OSMO_MILENAGE_IND_BITLEN_MAX) return -2; seq_1 = 1LL << aud->u.umts.ind_bitlen; -- cgit v1.2.3