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tls: add a comment on expanding list of supported ciphers

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2018-11-25 17:27:48 +01:00
parent a6192f347f
commit 330d7f53f7
1 changed files with 30 additions and 7 deletions
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37
networking/tls.c
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@ -50,17 +50,39 @@
// ok: openssl s_client -connect cdn.kernel.org:443 -debug -tls1_2 -no_tls1 -no_tls1_1 -cipher AES128-GCM-SHA256
// ok: openssl s_client -connect cdn.kernel.org:443 -debug -tls1_2 -no_tls1 -no_tls1_1 -cipher AES128-SHA
// (TLS_RSA_WITH_AES_128_CBC_SHA - in TLS 1.2 it's mandated to be always supported)
#define CIPHER_ID1 TLS_RSA_WITH_AES_256_CBC_SHA256 // no SERVER_KEY_EXCHANGE from peer
#define CIPHER_ID1 TLS_RSA_WITH_AES_256_CBC_SHA256 //0x003D
// Works with "wget https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.9.5.tar.xz"
#define CIPHER_ID2 TLS_RSA_WITH_AES_128_CBC_SHA
#define CIPHER_ID2 TLS_RSA_WITH_AES_128_CBC_SHA //0x003C
// bug #11456:
// ftp.openbsd.org only supports ECDHE-RSA-AESnnn-GCM-SHAnnn or ECDHE-RSA-CHACHA20-POLY1305
#define CIPHER_ID3 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
#define CIPHER_ID3 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 //0xC02F
// host is.gd accepts only ECDHE-ECDSA-foo (the simplest which works: ECDHE-ECDSA-AES128-SHA 0xC009)
#define CIPHER_ID4 TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
#define CIPHER_ID4 TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA //0xC009
#define NUM_CIPHERS 4
//TODO: we can support all these:
// TLS_RSA_WITH_AES_128_CBC_SHA256 0x003C
// TLS_RSA_WITH_AES_256_CBC_SHA256 0x003D
// TLS_RSA_WITH_AES_128_GCM_SHA256 0x009C
// TLS_RSA_WITH_AES_256_GCM_SHA384 0x009D
// TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA 0xC009
// TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA 0xC00A
// TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA 0xC013
// TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA 0xC014
// TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 0xC023
////TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 0xC024 - can't do SHA384 yet
// TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 0xC027
////TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 0xC028 - can't do SHA384 yet
// TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 0xC02B
// TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 0xC02C
// TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 0xC02F
// TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 0xC030
//possibly these too:
// TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA 0xC035
// TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA 0xC036
// TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256 0xC037
////TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384 0xC038 - can't do SHA384 yet
#define TLS_DEBUG 0
@ -142,6 +164,10 @@
#define TLS_DHE_PSK_WITH_AES_128_CBC_SHA 0x0090 /* 144 */
#define TLS_DHE_PSK_WITH_AES_256_CBC_SHA 0x0091 /* 145 */
#define TLS_RSA_WITH_SEED_CBC_SHA 0x0096 /* 150 */
#define TLS_RSA_WITH_AES_128_GCM_SHA256 0x009C /*TLSv1.2 Kx=RSA Au=RSA Enc=AESGCM(128) Mac=AEAD */
#define TLS_RSA_WITH_AES_256_GCM_SHA384 0x009D /*TLSv1.2 Kx=RSA Au=RSA Enc=AESGCM(256) Mac=AEAD */
#define TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 0x009E /*TLSv1.2 Kx=DH Au=RSA Enc=AESGCM(128) Mac=AEAD */
#define TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 0x009F /*TLSv1.2 Kx=DH Au=RSA Enc=AESGCM(256) Mac=AEAD */
#define TLS_PSK_WITH_AES_128_CBC_SHA256 0x00AE /* 174 */
#define TLS_PSK_WITH_AES_256_CBC_SHA384 0x00AF /* 175 */
#define TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA 0xC004 /* 49156 */
@ -161,10 +187,7 @@
#define TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 0xC028 /*TLSv1.2 Kx=ECDH Au=RSA Enc=AES(256) Mac=SHA384 */
#define TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 0xC029 /* 49193 */
#define TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 0xC02A /* 49194 */
/* RFC 5288 "AES Galois Counter Mode (GCM) Cipher Suites for TLS" */
#define TLS_RSA_WITH_AES_128_GCM_SHA256 0x009C /*TLSv1.2 Kx=RSA Au=RSA Enc=AESGCM(128) Mac=AEAD */
#define TLS_RSA_WITH_AES_256_GCM_SHA384 0x009D /*TLSv1.2 Kx=RSA Au=RSA Enc=AESGCM(256) Mac=AEAD */
#define TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 0xC02B /*TLSv1.2 Kx=ECDH Au=ECDSA Enc=AESGCM(128) Mac=AEAD */
#define TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 0xC02C /*TLSv1.2 Kx=ECDH Au=ECDSA Enc=AESGCM(256) Mac=AEAD */
#define TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 0xC02D /* 49197 */