crypto/tls: allow 256KiB certificate messages

During handshake, lift the message length limit, but only for
certificate messages.

Fixes #50773

Change-Id: Ida9d83f4219c4386ca71ed3ef72b22259665a187
Reviewed-on: https://go-review.googlesource.com/c/go/+/585402
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Auto-Submit: Roland Shoemaker <roland@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
This commit is contained in:
yuhan6665
2024-09-09 11:32:16 -04:00
parent b6a62e9ae9
commit 0eb1df22cf
2 changed files with 21 additions and 8 deletions
+7 -6
View File
@@ -58,12 +58,13 @@ func VersionName(version uint16) string {
}
const (
maxPlaintext = 16384 // maximum plaintext payload length
maxCiphertext = 16384 + 2048 // maximum ciphertext payload length
maxCiphertextTLS13 = 16384 + 256 // maximum ciphertext length in TLS 1.3
recordHeaderLen = 5 // record header length
maxHandshake = 65536 // maximum handshake we support (protocol max is 16 MB)
maxUselessRecords = 32 // maximum number of consecutive non-advancing records
maxPlaintext = 16384 // maximum plaintext payload length
maxCiphertext = 16384 + 2048 // maximum ciphertext payload length
maxCiphertextTLS13 = 16384 + 256 // maximum ciphertext length in TLS 1.3
recordHeaderLen = 5 // record header length
maxHandshake = 65536 // maximum handshake we support (protocol max is 16 MB)
maxHandshakeCertificateMsg = 262144 // maximum certificate message size (256 KiB)
maxUselessRecords = 16 // maximum number of consecutive non-advancing records
)
// TLS record types.