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author | David Woodhouse <dwmw2@infradead.org> | 2007-10-13 14:43:54 +0100 |
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committer | David Woodhouse <dwmw2@infradead.org> | 2007-10-13 14:43:54 +0100 |
commit | b160292cc216a50fd0cd386b0bda2cd48352c73b (patch) | |
tree | ef07cf98f91353ee4c9ec1e1ca7a2a5d9d4b538a /drivers/net/ppp_mppe.c | |
parent | b37bde147890c8fea8369a5a4e230dabdea4ebfb (diff) | |
parent | bbf25010f1a6b761914430f5fca081ec8c7accd1 (diff) | |
download | op-kernel-dev-b160292cc216a50fd0cd386b0bda2cd48352c73b.zip op-kernel-dev-b160292cc216a50fd0cd386b0bda2cd48352c73b.tar.gz |
Merge Linux 2.6.23
Diffstat (limited to 'drivers/net/ppp_mppe.c')
-rw-r--r-- | drivers/net/ppp_mppe.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/net/ppp_mppe.c b/drivers/net/ppp_mppe.c index f79cf87..c0b6d19 100644 --- a/drivers/net/ppp_mppe.c +++ b/drivers/net/ppp_mppe.c @@ -136,7 +136,7 @@ struct ppp_mppe_state { * Key Derivation, from RFC 3078, RFC 3079. * Equivalent to Get_Key() for MS-CHAP as described in RFC 3079. */ -static void get_new_key_from_sha(struct ppp_mppe_state * state, unsigned char *InterimKey) +static void get_new_key_from_sha(struct ppp_mppe_state * state) { struct hash_desc desc; struct scatterlist sg[4]; @@ -153,8 +153,6 @@ static void get_new_key_from_sha(struct ppp_mppe_state * state, unsigned char *I desc.flags = 0; crypto_hash_digest(&desc, sg, nbytes, state->sha1_digest); - - memcpy(InterimKey, state->sha1_digest, state->keylen); } /* @@ -163,21 +161,21 @@ static void get_new_key_from_sha(struct ppp_mppe_state * state, unsigned char *I */ static void mppe_rekey(struct ppp_mppe_state * state, int initial_key) { - unsigned char InterimKey[MPPE_MAX_KEY_LEN]; struct scatterlist sg_in[1], sg_out[1]; struct blkcipher_desc desc = { .tfm = state->arc4 }; - get_new_key_from_sha(state, InterimKey); + get_new_key_from_sha(state); if (!initial_key) { - crypto_blkcipher_setkey(state->arc4, InterimKey, state->keylen); - setup_sg(sg_in, InterimKey, state->keylen); + crypto_blkcipher_setkey(state->arc4, state->sha1_digest, + state->keylen); + setup_sg(sg_in, state->sha1_digest, state->keylen); setup_sg(sg_out, state->session_key, state->keylen); if (crypto_blkcipher_encrypt(&desc, sg_out, sg_in, state->keylen) != 0) { printk(KERN_WARNING "mppe_rekey: cipher_encrypt failed\n"); } } else { - memcpy(state->session_key, InterimKey, state->keylen); + memcpy(state->session_key, state->sha1_digest, state->keylen); } if (state->keylen == 8) { /* See RFC 3078 */ |