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Fix #2615 #2617

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merged 1 commit into from
Jan 16, 2025
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Fix #2615 #2617

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12 changes: 7 additions & 5 deletions testssl.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -11079,25 +11079,27 @@ run_fs() {
# A few servers get confused if the signature_algorithms extension contains too many entries. So:
# * For TLS 1.3, break the list into two and test each half separately.
# * For TLS 1.2, generally limit the signature_algorithms extension to algorithms that are consistent with the key type.
# At least one server gets confused if RSA+MD5 is offered first. So, the ordering is reversed so that the strongest
# options appear in $sigalgs_to_test first.
for hexc in "${sigalgs_hex[@]}"; do
if [[ "$proto" == 04* ]]; then
if ! "${tls13_supported_sigalgs[i]}"; then
if [[ "${proto##*-}" == 01 ]]; then
[[ $i -le 16 ]] && sigalgs_to_test+=", $hexc"
[[ $i -le 16 ]] && sigalgs_to_test=", $hexc$sigalgs_to_test"
else
[[ $i -gt 16 ]] && sigalgs_to_test+=", $hexc"
[[ $i -gt 16 ]] && sigalgs_to_test=", $hexc$sigalgs_to_test"
fi
fi
elif ! "${tls12_supported_sigalgs[i]}"; then
if [[ "$proto" =~ rsa ]]; then
if [[ "${hexc:3:2}" == 01 ]] || [[ "${hexc:0:2}" == 08 ]]; then
sigalgs_to_test+=", $hexc"
sigalgs_to_test=", $hexc$sigalgs_to_test"
fi
elif [[ "$proto" =~ dss ]]; then
[[ "${hexc:3:2}" == 02 ]] && sigalgs_to_test+=", $hexc"
[[ "${hexc:3:2}" == 02 ]] && sigalgs_to_test=", $hexc$sigalgs_to_test"
else
if [[ "${hexc:3:2}" == 03 ]] || [[ "${hexc:0:2}" == 08 ]]; then
sigalgs_to_test+=", $hexc"
sigalgs_to_test=", $hexc$sigalgs_to_test"
fi
fi
fi
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