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Add support for brainpool curves with TLS 1.3

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This commit adds support for the curves brainpoolP256r1tls13, brainpoolP384r1tls13, and brainpoolP512r1tls13.
This commit is contained in:
David Cooper
2023-03-27 18:09:54 -07:00
parent 82fbd8076e
commit 5002dd23b1
4 changed files with 62 additions and 24 deletions
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44
testssl.sh
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@ -6396,9 +6396,9 @@ pr_ecdh_curve_quality() {
"prime256v1") bits=256 ;;
"secp384r1") bits=384 ;;
"secp521r1") bits=521 ;;
"brainpoolP256r1") bits=256 ;;
"brainpoolP384r1") bits=384 ;;
"brainpoolP512r1") bits=512 ;;
"brainpoolP256r1"*) bits=256 ;;
"brainpoolP384r1"*) bits=384 ;;
"brainpoolP512r1"*) bits=512 ;;
"X25519") bits=253 ;;
"X448") bits=448 ;;
esac
@ -10374,13 +10374,13 @@ run_fs() {
local fs_cipher_list="DHE-DSS-AES128-GCM-SHA256:DHE-DSS-AES128-SHA256:DHE-DSS-AES128-SHA:DHE-DSS-AES256-GCM-SHA384:DHE-DSS-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-DSS-CAMELLIA128-SHA256:DHE-DSS-CAMELLIA128-SHA:DHE-DSS-CAMELLIA256-SHA256:DHE-DSS-CAMELLIA256-SHA:DHE-DSS-SEED-SHA:DHE-RSA-AES128-CCM8:DHE-RSA-AES128-CCM:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-RSA-AES256-CCM8:DHE-RSA-AES256-CCM:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-SHA256:DHE-RSA-AES256-SHA:DHE-RSA-CAMELLIA128-SHA256:DHE-RSA-CAMELLIA128-SHA:DHE-RSA-CAMELLIA256-SHA256:DHE-RSA-CAMELLIA256-SHA:DHE-RSA-CHACHA20-POLY1305-OLD:DHE-RSA-CHACHA20-POLY1305:DHE-RSA-SEED-SHA:ECDHE-ECDSA-AES128-CCM8:ECDHE-ECDSA-AES128-CCM:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-ECDSA-AES256-CCM8:ECDHE-ECDSA-AES256-CCM:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-ECDSA-CAMELLIA128-SHA256:ECDHE-ECDSA-CAMELLIA256-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305-OLD:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-RSA-CAMELLIA128-SHA256:ECDHE-RSA-CAMELLIA256-SHA384:ECDHE-RSA-CHACHA20-POLY1305-OLD:ECDHE-RSA-CHACHA20-POLY1305"
local fs_hex_cipher_list="" ciphers_to_test tls13_ciphers_to_test
local ecdhe_cipher_list="" tls13_cipher_list="" ecdhe_cipher_list_hex="" ffdhe_cipher_list_hex=""
local curves_hex=("00,01" "00,02" "00,03" "00,04" "00,05" "00,06" "00,07" "00,08" "00,09" "00,0a" "00,0b" "00,0c" "00,0d" "00,0e" "00,0f" "00,10" "00,11" "00,12" "00,13" "00,14" "00,15" "00,16" "00,17" "00,18" "00,19" "00,1a" "00,1b" "00,1c" "00,1d" "00,1e")
local -a curves_ossl=("sect163k1" "sect163r1" "sect163r2" "sect193r1" "sect193r2" "sect233k1" "sect233r1" "sect239k1" "sect283k1" "sect283r1" "sect409k1" "sect409r1" "sect571k1" "sect571r1" "secp160k1" "secp160r1" "secp160r2" "secp192k1" "prime192v1" "secp224k1" "secp224r1" "secp256k1" "prime256v1" "secp384r1" "secp521r1" "brainpoolP256r1" "brainpoolP384r1" "brainpoolP512r1" "X25519" "X448")
local -a curves_ossl_output=("K-163" "sect163r1" "B-163" "sect193r1" "sect193r2" "K-233" "B-233" "sect239k1" "K-283" "B-283" "K-409" "B-409" "K-571" "B-571" "secp160k1" "secp160r1" "secp160r2" "secp192k1" "P-192" "secp224k1" "P-224" "secp256k1" "P-256" "P-384" "P-521" "brainpoolP256r1" "brainpoolP384r1" "brainpoolP512r1" "X25519" "X448")
local -ai curves_bits=(163 162 163 193 193 232 233 238 281 282 407 409 570 570 161 161 161 192 192 225 224 256 256 384 521 256 384 512 253 448)
local curves_hex=("00,01" "00,02" "00,03" "00,04" "00,05" "00,06" "00,07" "00,08" "00,09" "00,0a" "00,0b" "00,0c" "00,0d" "00,0e" "00,0f" "00,10" "00,11" "00,12" "00,13" "00,14" "00,15" "00,16" "00,17" "00,18" "00,19" "00,1a" "00,1b" "00,1c" "00,1d" "00,1e" "00,1f" "00,20" "00,21")
local -a curves_ossl=("sect163k1" "sect163r1" "sect163r2" "sect193r1" "sect193r2" "sect233k1" "sect233r1" "sect239k1" "sect283k1" "sect283r1" "sect409k1" "sect409r1" "sect571k1" "sect571r1" "secp160k1" "secp160r1" "secp160r2" "secp192k1" "prime192v1" "secp224k1" "secp224r1" "secp256k1" "prime256v1" "secp384r1" "secp521r1" "brainpoolP256r1" "brainpoolP384r1" "brainpoolP512r1" "X25519" "X448" "brainpoolP256r1tls13" "brainpoolP384r1tls13" "brainpoolP512r1tls13")
local -a curves_ossl_output=("K-163" "sect163r1" "B-163" "sect193r1" "sect193r2" "K-233" "B-233" "sect239k1" "K-283" "B-283" "K-409" "B-409" "K-571" "B-571" "secp160k1" "secp160r1" "secp160r2" "secp192k1" "P-192" "secp224k1" "P-224" "secp256k1" "P-256" "P-384" "P-521" "brainpoolP256r1" "brainpoolP384r1" "brainpoolP512r1" "X25519" "X448" "brainpoolP256r1tls13" "brainpoolP384r1tls13" "brainpoolP512r1tls13")
local -ai curves_bits=(163 162 163 193 193 232 233 238 281 282 407 409 570 570 161 161 161 192 192 225 224 256 256 384 521 256 384 512 253 448 256 384 512)
# Many curves have been deprecated, and RFC 8446, Appendix B.3.1.4, states
# that these curves MUST NOT be offered in a TLS 1.3 ClientHello.
local -a curves_deprecated=("true" "true" "true" "true" "true" "true" "true" "true" "true" "true" "true" "true" "true" "true" "true" "true" "true" "true" "true" "true" "true" "true" "false" "false" "false" "true" "true" "true" "false" "false")
local -a curves_deprecated=("true" "true" "true" "true" "true" "true" "true" "true" "true" "true" "true" "true" "true" "true" "true" "true" "true" "true" "true" "true" "true" "true" "false" "false" "false" "true" "true" "true" "false" "false" "false" "false" "false")
local -a ffdhe_groups_hex=("01,00" "01,01" "01,02" "01,03" "01,04")
local -a ffdhe_groups_output=("ffdhe2048" "ffdhe3072" "ffdhe4096" "ffdhe6144" "ffdhe8192")
local -a supported_curve
@ -10740,6 +10740,9 @@ run_fs() {
if [[ "$curve_found" == ECDH ]]; then
curve_found="${temp#*, }"
curve_found="${curve_found%%,*}"
if "$HAS_TLS13" && [[ ! "$proto" == "-no_tls1_3" ]] && [[ "$curve_found" == brainpoolP[235][581][642]r1 ]]; then
[[ "$(get_protocol "$TMPFILE")" == TLSv1.3 ]] && curve_found+="tls13"
fi
fi
for (( i=low; i < high; i++ )); do
if ! "${supported_curve[i]}"; then
@ -14403,6 +14406,9 @@ parse_tls_serverhello() {
25) dh_bits=521 ; named_curve_str="P-521" ; named_curve_oid="06052b81040023" ;;
29) dh_bits=253 ; named_curve_str="X25519" ;;
30) dh_bits=448 ; named_curve_str="X448" ;;
31) dh_bits=256 ; named_curve_str="brainpoolP256r1tls13" ; named_curve_oid="06092B2403030208010107" ;;
32) dh_bits=384 ; named_curve_str="brainpoolP384r1tls13" ; named_curve_oid="06092B240303020801010B" ;;
33) dh_bits=512 ; named_curve_str="brainpoolP512r1tls13" ; named_curve_oid="06092B240303020801010D" ;;
256) dh_bits=2048 ; named_curve_str="ffdhe2048" ;;
257) dh_bits=3072 ; named_curve_str="ffdhe3072" ;;
258) dh_bits=4096 ; named_curve_str="ffdhe4096" ;;
@ -15430,8 +15436,8 @@ prepare_tls_clienthello() {
if [[ ! "$process_full" =~ all ]] || { "$HAS_X25519" && "$HAS_X448"; }; then
extension_supported_groups="
00,0a, # Type: Supported Groups, see RFC 8446
00,10, 00,0e, # lengths
00,1d, 00,17, 00,1e, 00,18, 00,19,
00,16, 00,14, # lengths
00,1d, 00,17, 00,1e, 00,18, 00,19, 00,1f, 00,20, 00,21,
01,00, 01,01"
# OpenSSL prior to 1.1.1 does not support X448, so list it as the least
# preferred option if the response needs to be decrypted, and do not
@ -15439,14 +15445,14 @@ prepare_tls_clienthello() {
elif "$HAS_X25519" && [[ "$process_full" == all+ ]]; then
extension_supported_groups="
00,0a, # Type: Supported Groups, see RFC 8446
00,0e, 00,0c, # lengths
00,1d, 00,17, 00,18, 00,19,
00,14, 00,12, # lengths
00,1d, 00,17, 00,18, 00,19, 00,1f, 00,20, 00,21,
01,00, 01,01"
elif "$HAS_X25519"; then
extension_supported_groups="
00,0a, # Type: Supported Groups, see RFC 8446
00,10, 00,0e, # lengths
00,1d, 00,17, 00,18, 00,19,
00,16, 00,14, # lengths
00,1d, 00,17, 00,18, 00,19, 00,1f, 00,20, 00,21,
01,00, 01,01, 00,1e"
# OpenSSL prior to 1.1.0 does not support either X25519 or X448,
# so list them as the least referred options if the response
@ -15455,14 +15461,14 @@ prepare_tls_clienthello() {
elif [[ "$process_full" == all+ ]]; then
extension_supported_groups="
00,0a, # Type: Supported Groups, see RFC 8446
00,0c, 00,0a, # lengths
00,17, 00,18, 00,19,
00,12, 00,10, # lengths
00,17, 00,18, 00,19, 00,1f, 00,20, 00,21,
01,00, 01,01"
else
extension_supported_groups="
00,0a, # Type: Supported Groups, see RFC 8446
00,10, 00,0e, # lengths
00,17, 00,18, 00,19,
00,16, 00,14, # lengths
00,17, 00,18, 00,19, 00,1f, 00,20, 00,21,
01,00, 01,01, 00,1d, 00,1e"
fi
@ -19911,7 +19917,7 @@ find_openssl_binary() {
local openssl_location cwd=""
local ossl_wo_dev_info
local curve
local -a curves_ossl=("sect163k1" "sect163r1" "sect163r2" "sect193r1" "sect193r2" "sect233k1" "sect233r1" "sect239k1" "sect283k1" "sect283r1" "sect409k1" "sect409r1" "sect571k1" "sect571r1" "secp160k1" "secp160r1" "secp160r2" "secp192k1" "prime192v1" "secp224k1" "secp224r1" "secp256k1" "prime256v1" "secp384r1" "secp521r1" "brainpoolP256r1" "brainpoolP384r1" "brainpoolP512r1" "X25519" "X448" "ffdhe2048" "ffdhe3072" "ffdhe4096" "ffdhe6144" "ffdhe8192")
local -a curves_ossl=("sect163k1" "sect163r1" "sect163r2" "sect193r1" "sect193r2" "sect233k1" "sect233r1" "sect239k1" "sect283k1" "sect283r1" "sect409k1" "sect409r1" "sect571k1" "sect571r1" "secp160k1" "secp160r1" "secp160r2" "secp192k1" "prime192v1" "secp224k1" "secp224r1" "secp256k1" "prime256v1" "secp384r1" "secp521r1" "brainpoolP256r1" "brainpoolP384r1" "brainpoolP512r1" "X25519" "X448" "brainpoolP256r1tls13" "brainpoolP384r1tls13" "brainpoolP512r1tls13" "ffdhe2048" "ffdhe3072" "ffdhe4096" "ffdhe6144" "ffdhe8192")
# 0. check environment variable whether it's executable
if [[ -n "$OPENSSL" ]] && [[ ! -x "$OPENSSL" ]]; then