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Update dependencies

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This commit is contained in:
Dan Sosedoff
2017-01-20 13:21:18 -06:00
parent 12976024b7
commit 4fcb946f0f
336 changed files with 146960 additions and 7840 deletions
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32
vendor/golang.org/x/crypto/ssh/kex.go generated vendored
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@@ -46,7 +46,7 @@ type kexResult struct {
Hash crypto.Hash
// The session ID, which is the first H computed. This is used
// to signal data inside transport.
// to derive key material inside the transport.
SessionID []byte
}
@@ -77,11 +77,11 @@ type kexAlgorithm interface {
// dhGroup is a multiplicative group suitable for implementing Diffie-Hellman key agreement.
type dhGroup struct {
g, p *big.Int
g, p, pMinus1 *big.Int
}
func (group *dhGroup) diffieHellman(theirPublic, myPrivate *big.Int) (*big.Int, error) {
if theirPublic.Sign() <= 0 || theirPublic.Cmp(group.p) >= 0 {
if theirPublic.Cmp(bigOne) <= 0 || theirPublic.Cmp(group.pMinus1) >= 0 {
return nil, errors.New("ssh: DH parameter out of bounds")
}
return new(big.Int).Exp(theirPublic, myPrivate, group.p), nil
@@ -90,10 +90,17 @@ func (group *dhGroup) diffieHellman(theirPublic, myPrivate *big.Int) (*big.Int,
func (group *dhGroup) Client(c packetConn, randSource io.Reader, magics *handshakeMagics) (*kexResult, error) {
hashFunc := crypto.SHA1
x, err := rand.Int(randSource, group.p)
if err != nil {
return nil, err
var x *big.Int
for {
var err error
if x, err = rand.Int(randSource, group.pMinus1); err != nil {
return nil, err
}
if x.Sign() > 0 {
break
}
}
X := new(big.Int).Exp(group.g, x, group.p)
kexDHInit := kexDHInitMsg{
X: X,
@@ -146,9 +153,14 @@ func (group *dhGroup) Server(c packetConn, randSource io.Reader, magics *handsha
return
}
y, err := rand.Int(randSource, group.p)
if err != nil {
return
var y *big.Int
for {
if y, err = rand.Int(randSource, group.pMinus1); err != nil {
return
}
if y.Sign() > 0 {
break
}
}
Y := new(big.Int).Exp(group.g, y, group.p)
@@ -373,6 +385,7 @@ func init() {
kexAlgoMap[kexAlgoDH1SHA1] = &dhGroup{
g: new(big.Int).SetInt64(2),
p: p,
pMinus1: new(big.Int).Sub(p, bigOne),
}
// This is the group called diffie-hellman-group14-sha1 in RFC
@@ -382,6 +395,7 @@ func init() {
kexAlgoMap[kexAlgoDH14SHA1] = &dhGroup{
g: new(big.Int).SetInt64(2),
p: p,
pMinus1: new(big.Int).Sub(p, bigOne),
}
kexAlgoMap[kexAlgoECDH521] = &ecdh{elliptic.P521()}