badguardhome/internal/aghtls/aghtls.go
Ainar Garipov 5ff7cdbac8 Pull request: all: fix chlog, imp
Merge in DNS/adguard-home from fix-chlog to master

Squashed commit of the following:

commit e69da2f574923b95ac3d0fa9057fffe2a716b5be
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Wed Jan 26 14:41:04 2022 +0300

    all: fix chlog, imp
2022-01-26 14:47:50 +03:00

31 lines
883 B
Go

// Package aghtls contains utilities for work with TLS.
package aghtls
import "crypto/tls"
// SaferCipherSuites returns a set of default cipher suites with vulnerable and
// weak cipher suites removed.
func SaferCipherSuites() (safe []uint16) {
for _, s := range tls.CipherSuites() {
switch s.ID {
case
tls.TLS_RSA_WITH_3DES_EDE_CBC_SHA,
tls.TLS_RSA_WITH_AES_128_CBC_SHA,
tls.TLS_RSA_WITH_AES_256_CBC_SHA,
tls.TLS_RSA_WITH_AES_128_CBC_SHA256,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
tls.TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA,
tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,
tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256:
// Less safe 3DES and CBC suites, go on.
default:
safe = append(safe, s.ID)
}
}
return safe
}