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Abort handshake if establishing DH shared secret fails

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Fixes #27
This commit is contained in:
Mike Gelfand
2016-09-18 13:58:15 +03:00
parent eb8f5004e0
commit 4c00df9463
1 changed files with 5 additions and 2 deletions
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libtransmission/handshake.c
+5 -2
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@@ -425,7 +425,8 @@ readYb (tr_handshake * handshake, struct evbuffer * inbuf)
/* compute the secret */
evbuffer_remove (inbuf, yb, KEY_LEN);
tr_cryptoComputeSecret (handshake->crypto, yb);
if (!tr_cryptoComputeSecret (handshake->crypto, yb))
return tr_handshakeDone (handshake, false);
/* now send these: HASH ('req1', S), HASH ('req2', SKEY) xor HASH ('req3', S),
* ENCRYPT (VC, crypto_provide, len (PadC), PadC, len (IA)), ENCRYPT (IA) */
@@ -741,7 +742,9 @@ readYa (tr_handshake * handshake,
/* read the incoming peer's public key */
evbuffer_remove (inbuf, ya, KEY_LEN);
tr_cryptoComputeSecret (handshake->crypto, ya);
if (!tr_cryptoComputeSecret (handshake->crypto, ya))
return tr_handshakeDone (handshake, false);
computeRequestHash (handshake, "req1", handshake->myReq1);
/* send our public key to the peer */