Cumulative patch from commit 681278246232029c334117bd6dc7e74c6b179f96

6812782 hlr_auc_gw: Allow Milenage RES length to be reduced
4839f7c wpa_cli: Fix a typo in usage text
a20a361 wpa_supplicant: Clear blacklist on connect
0144ecb Android: wpa_ctrl missing include for sys/stat.h
0bb20ef HS 2.0R2: Allow user to specify spp.xsd file location
97c9991 HS 2.0R2: Add more debugging messages to hs20-osu-client
93c2e60 HS 2.0R2 CA: Improve setup.sh and .conf for more flexibility
02e122a Reschedule scan from wpas_stop_pno if it was postponed
80fd9c3 EAP-PEAP server: Add support for negotiating vendor for Phase 2
a867082 EAP peer: Use 32-bit EAP method type for Phase 2 processing
56dfc49 Fix a typo in configuration parameter documentation
c4b45c6 TLS: Fix memory leaks on tls_connection_set_params() error paths
af85191 Make tls_connection_get_keyblock_size() internal to tls_*.c
94f1fe6 Remove master key extraction from tls_connection_get_keys()
fa0e715 Use tls_connection_prf() for all EAP TLS-based key derivation
df8191d Rename HT 20/40 coex variable to be more descriptive
1d0f42a EAP server: Add debug prints to help asleap testing
2c1cf90 Add wpa_snprintf_hex_sep()
5955cfa ms_funcs: Make challenge_hash() non-static

Change-Id: I0f3e5e5170a61e458949a675641946d95598dc5d
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/src/crypto/ms_funcs.h b/src/crypto/ms_funcs.h
index bd9bfee..b5b5918 100644
--- a/src/crypto/ms_funcs.h
+++ b/src/crypto/ms_funcs.h
@@ -33,6 +33,8 @@
 
 void challenge_response(const u8 *challenge, const u8 *password_hash,
 			u8 *response);
+int challenge_hash(const u8 *peer_challenge, const u8 *auth_challenge,
+		   const u8 *username, size_t username_len, u8 *challenge);
 int nt_password_hash(const u8 *password, size_t password_len,
 		     u8 *password_hash);
 int hash_nt_password_hash(const u8 *password_hash, u8 *password_hash_hash);