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EAP-IKEv2: Check HMAC SHA1/MD5 result

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Make the IKEv2 helper functions return a possible error return from the
HMAC routines.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2015-12-05 21:49:04 +02:00
parent d1341917ce
commit 5c8acf7d96
1 changed files with 7 additions and 8 deletions
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15
src/eap_common/ikev2_common.c
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@ -62,13 +62,15 @@ int ikev2_integ_hash(int alg, const u8 *key, size_t key_len, const u8 *data,
case AUTH_HMAC_SHA1_96: case AUTH_HMAC_SHA1_96:
if (key_len != 20) if (key_len != 20)
return -1; return -1;
hmac_sha1(key, key_len, data, data_len, tmphash); if (hmac_sha1(key, key_len, data, data_len, tmphash) < 0)
return -1;
os_memcpy(hash, tmphash, 12); os_memcpy(hash, tmphash, 12);
break; break;
case AUTH_HMAC_MD5_96: case AUTH_HMAC_MD5_96:
if (key_len != 16) if (key_len != 16)
return -1; return -1;
hmac_md5(key, key_len, data, data_len, tmphash); if (hmac_md5(key, key_len, data, data_len, tmphash) < 0)
return -1;
os_memcpy(hash, tmphash, 12); os_memcpy(hash, tmphash, 12);
break; break;
default: default:
@ -98,16 +100,13 @@ int ikev2_prf_hash(int alg, const u8 *key, size_t key_len,
{ {
switch (alg) { switch (alg) {
case PRF_HMAC_SHA1: case PRF_HMAC_SHA1:
hmac_sha1_vector(key, key_len, num_elem, addr, len, hash); return hmac_sha1_vector(key, key_len, num_elem, addr, len,
break; hash);
case PRF_HMAC_MD5: case PRF_HMAC_MD5:
hmac_md5_vector(key, key_len, num_elem, addr, len, hash); return hmac_md5_vector(key, key_len, num_elem, addr, len, hash);
break;
default: default:
return -1; return -1;
} }
return 0;
} }