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crypto/tls: Improve ambiguous comment in cipher_suites.go

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A comment existed referencing RC4 coming before AES because of it's
vulnerability to the Lucky 13 attack. This clarifies that the Lucky 13 attack
only effects AES-CBC, and not AES-GCM.

Fixes #14474

Change-Id: Idcb07b5e0cdb0f9257cf75abea60129ba495b5f5
Reviewed-on: https://go-review.googlesource.com/19845
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Brady Sullivan 2016-02-22 15:19:18 -08:00 committed by Brad Fitzpatrick
parent 108218453a
commit 1e00cc1647
1 changed files with 1 additions and 1 deletions
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2
src/crypto/tls/cipher_suites.go
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@ -74,7 +74,7 @@ type cipherSuite struct {
var cipherSuites = []*cipherSuite{
// Ciphersuite order is chosen so that ECDHE comes before plain RSA
// and RC4 comes before AES (because of the Lucky13 attack).
// and RC4 comes before AES-CBC (because of the Lucky13 attack).
{TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, 16, 0, 4, ecdheRSAKA, suiteECDHE | suiteTLS12, nil, nil, aeadAESGCM},
{TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, 16, 0, 4, ecdheECDSAKA, suiteECDHE | suiteECDSA | suiteTLS12, nil, nil, aeadAESGCM},
{TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384, 32, 0, 4, ecdheRSAKA, suiteECDHE | suiteTLS12 | suiteSHA384, nil, nil, aeadAESGCM},