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Rate RSA e=1 as CRITICAL

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PR #1619 set the grade cap to 'F' is the server has a certificate with an RSA with e=1, however, it did not change the rating in the JSON/CSV output. This commit changes the cert_keySize rating to CRITICAL for an RSA key with e=1, regardless of the size of the modulus. It also uses pr_svrty_critical() to print the exponent in this case.
This commit is contained in:
David Cooper 2020-05-08 08:23:14 -04:00
parent d16f8a20c5
commit cde2ecdc5d
1 changed files with 7 additions and 2 deletions
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testssl.sh
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@ -8535,9 +8535,14 @@ certificate_info() {
cert_spki_info="$(strip_leading_space "$cert_spki_info")"
cert_spki_info="${cert_spki_info%%[[:space:]]*}"
if [[ -n "$cert_spki_info" ]]; then
out " (exponent is $cert_spki_info)"
if [[ $cert_spki_info -eq 1 ]]; then
out " (exponent is "; pr_svrty_critical "$cert_spki_info"; out ")"
json_rating="CRITICAL"
set_grade_cap "F" "RSA certificate uses exponent of 1"
else
out " (exponent is $cert_spki_info)"
fi
json_msg+=" (exponent is $cert_spki_info)"
[[ $cert_spki_info -eq 1 ]] && set_grade_cap "F" "RSA certificate uses exponent of 1"
fi
;;
"EC") cert_spki_info="${cert_txt##*Subject Public Key Info:}"