diff options
Diffstat (limited to 'vendor/golang.org/x/crypto/ssh/transport.go')
| -rw-r--r-- | vendor/golang.org/x/crypto/ssh/transport.go | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/vendor/golang.org/x/crypto/ssh/transport.go b/vendor/golang.org/x/crypto/ssh/transport.go index 49ddc2e7d..acf5a21bb 100644 --- a/vendor/golang.org/x/crypto/ssh/transport.go +++ b/vendor/golang.org/x/crypto/ssh/transport.go @@ -238,15 +238,19 @@ var ( // (to setup server->client keys) or clientKeys (for client->server keys). func newPacketCipher(d direction, algs directionAlgorithms, kex *kexResult) (packetCipher, error) { cipherMode := cipherModes[algs.Cipher] - macMode := macModes[algs.MAC] iv := make([]byte, cipherMode.ivSize) key := make([]byte, cipherMode.keySize) - macKey := make([]byte, macMode.keySize) generateKeyMaterial(iv, d.ivTag, kex) generateKeyMaterial(key, d.keyTag, kex) - generateKeyMaterial(macKey, d.macKeyTag, kex) + + var macKey []byte + if !aeadCiphers[algs.Cipher] { + macMode := macModes[algs.MAC] + macKey = make([]byte, macMode.keySize) + generateKeyMaterial(macKey, d.macKeyTag, kex) + } return cipherModes[algs.Cipher].create(key, iv, macKey, algs) } |