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.aix11:def:304
# 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' '/etc/ssh/ssh_config') | grep -Pq '^[hH][mM][aA][cC]-[sS][hH][aA]1[ ,]*$'
}
if test_1; then
echo "PASS"
else
echo "FAIL"
fi Assessment Script Powered by AISandbox-executed
A standalone Shell script to assess this control automatically. Review before running it in your environment.
Syntax-checked and actually executed in an isolated sandbox (not the real system this checks) — confirmed to run without errors.
#!/bin/sh
# OVAL Definition: oval:mil.disa.fso.aix11:def:304
file="/etc/ssh/ssh_config"
if [ ! -f "$file" ]; then
echo "PASS"
exit 0
fi
awk '/^[ \t]*[Mm][Aa][Cc][sS]/{print $2}' "$file" | grep -E '^[hH][mM][aA][cC]-[sS][hH][aA]1[ \t,]*$' > /dev/null
if [ $? -eq 0 ]; then
echo "PASS"
else
echo "FAIL"
fi
exit 0