crypto: testmgr - Skip algs not flagged fips_allowed in fips mode
Because all fips-allowed algorithms must be self-tested before they
can be used, they will all have entries in testmgr.c's alg_test_descs[].
Skip self-tests for any algs not flagged as fips_approved and return
-EINVAL when in fips mode.
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/testmgr.c b/crypto/testmgr.c
index 51bae62c..f93b26d 100644
--- a/crypto/testmgr.c
+++ b/crypto/testmgr.c
@@ -2308,6 +2308,9 @@
if (i < 0)
goto notest;
+ if (fips_enabled && !alg_test_descs[i].fips_allowed)
+ goto non_fips_alg;
+
rc = alg_test_cipher(alg_test_descs + i, driver, type, mask);
goto test_done;
}
@@ -2316,6 +2319,9 @@
if (i < 0)
goto notest;
+ if (fips_enabled && !alg_test_descs[i].fips_allowed)
+ goto non_fips_alg;
+
rc = alg_test_descs[i].test(alg_test_descs + i, driver,
type, mask);
test_done:
@@ -2331,5 +2337,7 @@
notest:
printk(KERN_INFO "alg: No test for %s (%s)\n", alg, driver);
return 0;
+non_fips_alg:
+ return -EINVAL;
}
EXPORT_SYMBOL_GPL(alg_test);