crypto: testmgr - Handle AEAD test vectors expected to fail verification
Add infrastructure to tcrypt/testmgr to support handling ccm decryption
test vectors that are expected to fail verification.
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/testmgr.c b/crypto/testmgr.c
index bfee6e9..84f9640 100644
--- a/crypto/testmgr.c
+++ b/crypto/testmgr.c
@@ -363,6 +363,16 @@
switch (ret) {
case 0:
+ if (template[i].novrfy) {
+ /* verification was supposed to fail */
+ printk(KERN_ERR "alg: aead: %s failed "
+ "on test %d for %s: ret was 0, "
+ "expected -EBADMSG\n",
+ e, j, algo);
+ /* so really, we got a bad message */
+ ret = -EBADMSG;
+ goto out;
+ }
break;
case -EINPROGRESS:
case -EBUSY:
@@ -372,6 +382,10 @@
INIT_COMPLETION(result.completion);
break;
}
+ case -EBADMSG:
+ if (template[i].novrfy)
+ /* verification failure was expected */
+ continue;
/* fall through */
default:
printk(KERN_ERR "alg: aead: %s failed on test "
@@ -481,6 +495,16 @@
switch (ret) {
case 0:
+ if (template[i].novrfy) {
+ /* verification was supposed to fail */
+ printk(KERN_ERR "alg: aead: %s failed "
+ "on chunk test %d for %s: ret "
+ "was 0, expected -EBADMSG\n",
+ e, j, algo);
+ /* so really, we got a bad message */
+ ret = -EBADMSG;
+ goto out;
+ }
break;
case -EINPROGRESS:
case -EBUSY:
@@ -490,6 +514,10 @@
INIT_COMPLETION(result.completion);
break;
}
+ case -EBADMSG:
+ if (template[i].novrfy)
+ /* verification failure was expected */
+ continue;
/* fall through */
default:
printk(KERN_ERR "alg: aead: %s failed on "
diff --git a/crypto/testmgr.h b/crypto/testmgr.h
index 526f00a..b77b61d 100644
--- a/crypto/testmgr.h
+++ b/crypto/testmgr.h
@@ -62,6 +62,7 @@
int np;
int anp;
unsigned char fail;
+ unsigned char novrfy; /* ccm dec verification failure expected */
unsigned char wk; /* weak key flag */
unsigned char klen;
unsigned short ilen;