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Add checks from revision 18

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This commit is contained in:
Jonathan Rudenberg 2015-11-15 12:56:24 -05:00
parent 14af5e1fc8
commit f7b9b28336
1 changed files with 6 additions and 0 deletions
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6
state.go
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@ -186,6 +186,9 @@ func (s *HandshakeState) WriteMessage(out, payload []byte) ([]byte, *CipherState
s.e = s.cs.GenerateKeypair(s.rng) s.e = s.cs.GenerateKeypair(s.rng)
out = s.EncryptAndHash(out, s.e.Public) out = s.EncryptAndHash(out, s.e.Public)
case MessagePatternS: case MessagePatternS:
if len(s.s.Public) == 0 {
panic("noise: invalid state, s.Public is nil")
}
out = s.EncryptAndHash(out, s.s.Public) out = s.EncryptAndHash(out, s.s.Public)
case MessagePatternDHEE: case MessagePatternDHEE:
s.MixKey(s.cs.DH(s.e.Private, s.re)) s.MixKey(s.cs.DH(s.e.Private, s.re))
@ -234,6 +237,9 @@ func (s *HandshakeState) ReadMessage(out, message []byte) ([]byte, *CipherState,
case MessagePatternE: case MessagePatternE:
s.re, err = s.DecryptAndHash(s.re[:0], message[:expected]) s.re, err = s.DecryptAndHash(s.re[:0], message[:expected])
case MessagePatternS: case MessagePatternS:
if len(s.rs) > 0 {
panic("noise: invalid state, rs is not nil")
}
s.rs, err = s.DecryptAndHash(s.rs[:0], message[:expected]) s.rs, err = s.DecryptAndHash(s.rs[:0], message[:expected])
} }
if err != nil { if err != nil {