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Add browser requirement for the entropy of cert serial

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Dirk Wetter
2021-10-20 19:26:23 +02:00
parent 79df758023
commit 110d1aa73c
1 changed files with 3 additions and 2 deletions
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testssl.sh
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@@ -8905,8 +8905,9 @@ certificate_info() {
outln
prln_svrty_low "${spaces}NOT ok: length must not exceed 20 bytes (is: $len_cert_serial bytes)"
fileout "cert_serialNumberLen${json_postfix}" "LOW" "$len_cert_serial is too long"
elif [[ $len_cert_serial -lt 8 ]]; then
# Wording is from https://cabforum.org/wp-content/uploads/CA-Browser-Forum-BR-1.8.0.pdf
elif [[ $len_cert_serial -lt 8 ]] && [[ $SERVICE == HTTP ]]; then
# We only want this check for browsers as this requirement comes from the CA browser forum,
# see e.g. https://cabforum.org/wp-content/uploads/CA-Browser-Forum-BR-1.8.0.pdf
prln_svrty_low " NOT ok: length should be >= 64 bits entropy (is: $len_cert_serial bytes)"
fileout "cert_serialNumberLen${json_postfix}" "LOW" "$len_cert_serial is not enough entropy"
else