crypto: hmac - add fips_skip support

By adding the support for the flag fips_skip, hash / HMAC test vectors
may be marked to be not applicable in FIPS mode. Such vectors are
silently skipped in FIPS mode.
Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

crypto/testmgr.c

@@ -1851,6 +1851,9 @@ static int __alg_test_hash(const struct hash_testvec *vecs,
 	}
 
 	for (i = 0; i < num_vecs; i++) {
+		if (fips_enabled && vecs[i].fips_skip)
+			continue;
+
 		err = test_hash_vec(&vecs[i], i, req, desc, tsgl, hashstate);
 		if (err)
 			goto out;

crypto/testmgr.h

@@ -33,6 +33,7 @@
  * @ksize:	Length of @key in bytes (0 if no key)
  * @setkey_error: Expected error from setkey()
  * @digest_error: Expected error from digest()
+ * @fips_skip:	Skip the test vector in FIPS mode
  */
 struct hash_testvec {
 	const char *key;
@@ -42,6 +43,7 @@ struct hash_testvec {
 	unsigned short ksize;
 	int setkey_error;
 	int digest_error;
+	bool fips_skip;
 };
 
 /*