diff options
Diffstat (limited to 'vendor/golang.org/x/crypto/ssh/transport.go')
| -rw-r--r-- | vendor/golang.org/x/crypto/ssh/transport.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/vendor/golang.org/x/crypto/ssh/transport.go b/vendor/golang.org/x/crypto/ssh/transport.go index 663619845..fa3dd6a42 100644 --- a/vendor/golang.org/x/crypto/ssh/transport.go +++ b/vendor/golang.org/x/crypto/ssh/transport.go @@ -8,6 +8,7 @@ import ( "bufio" "bytes" "errors" + "fmt" "io" "log" ) @@ -254,6 +255,9 @@ 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] + if cipherMode == nil { + return nil, fmt.Errorf("ssh: unsupported cipher %v", algs.Cipher) + } iv := make([]byte, cipherMode.ivSize) key := make([]byte, cipherMode.keySize) |