diff options
| author | Yan Zou <yzou@google.com> | 2014-04-14 10:43:20 -0700 |
|---|---|---|
| committer | Adam Langley <agl@golang.org> | 2014-04-14 10:43:20 -0700 |
| commit | e1b0d6c49fae5632d0a563812fce85b5b542fbcf (patch) | |
| tree | 629e28f89d1710158bdf454fedbd9823e163129a /ssh/cipher.go | |
| parent | 058f0eec529666ecacd81b63aba586dad0b34a6b (diff) | |
| download | go-x-crypto-e1b0d6c49fae5632d0a563812fce85b5b542fbcf.tar.xz | |
go.crypto/ssh: Add support for the pre-2006 RC4 cipher mode.
LGTM=hanwen
R=agl, hanwen
CC=golang-codereviews
https://golang.org/cl/86600044
Diffstat (limited to 'ssh/cipher.go')
| -rw-r--r-- | ssh/cipher.go | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/ssh/cipher.go b/ssh/cipher.go index a58f10b..642696b 100644 --- a/ssh/cipher.go +++ b/ssh/cipher.go @@ -103,6 +103,12 @@ var cipherModes = map[string]*streamCipherMode{ "arcfour128": {16, 0, 1536, newRC4}, "arcfour256": {32, 0, 1536, newRC4}, + // Cipher defined in RFC 4253, which describes SSH Transport Layer Protocol. + // Note that this cipher is not safe, as stated in RFC 4253: "Arcfour (and + // RC4) has problems with weak keys, and should be used with caution." + // RFC4345 introduces improved versions of Arcfour. + "arcfour": {16, 0, 0, newRC4}, + // AES-GCM is not a stream cipher, so it is constructed with a // special case. If we add any more non-stream ciphers, we // should invest a cleaner way to do this. |