The reconstructed evaluation script behind this rule's OVAL check(s) — every module a compound check combines, with this rule's own concrete values and DISA's SCC tool's real per-module mechanism curated from static teardown of SCC releases.
#!/bin/bash
# Reconstructed from oval:mil.disa.fso.hpux11:def:311
# The SSH client must be configured to only use Message Authentication Codes (MACs) employing FIPS 140-2 approved cryptographic hash algorithms.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.
# ssh_config uses approved hash function
# textfilecontent54_object (textfilecontent54_test)
test_1() {
(sed -En 's/^[^#]*[Mm][Aa][Cc][sS][ ]+([^#
]+)/\1/p' '/opt/ssh/etc/ssh_config') | grep -Pq '^([hH][mM][aA][cC]-[sS][hH][aA](1|2-(256|512))[ ,]*)+$'
}
if test_1; then
echo "PASS"
else
echo "FAIL"
fi Assessment Script Powered by AISandbox-executed
A standalone Shell script to assess this control automatically. Review before running it in your environment.
Syntax-checked and actually executed in an isolated sandbox (not the real system this checks) — confirmed to run without errors.
#!/bin/sh
# oval:mil.disa.fso.hpux11:def:311
if [ ! -f "/opt/ssh/etc/ssh_config" ]; then echo "PASS"; exit 0; fi
grep -q "^[^#]*[Mm][Aa][Cc][sS][ \t]+hmac-sha1" "/opt/ssh/etc/ssh_config" || grep -q "^[^#]*[Mm][Aa][Cc][sS][ \t]+hmac-sha2-256" "/opt/ssh/etc/ssh_config" || grep -q "^[^#]*[Mm][Aa][Cc][sS][ \t]+hmac-sha2-512" "/opt/ssh/etc/ssh_config"; if [ $? -eq 0 ]; then echo "PASS"; exit 0; fi
echo "FAIL"; exit 1