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authorJarod Wilson <jarod@redhat.com>2009-05-04 19:22:11 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2009-06-02 14:04:35 +1000
commit0d8a6c2fb7bf21a2b9eee172ce938adaacfc8402 (patch)
tree02d06c24d0fb5977a2305c7e992415c88dcd72ab
parent8291b7918f1889339cd9195c1b29a36235311938 (diff)
downloadlinux-crypto-0d8a6c2fb7bf21a2b9eee172ce938adaacfc8402.tar.gz
linux-crypto-0d8a6c2fb7bf21a2b9eee172ce938adaacfc8402.zip
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>
-rw-r--r--crypto/testmgr.c28
-rw-r--r--crypto/testmgr.h1
2 files changed, 29 insertions, 0 deletions
diff --git a/crypto/testmgr.c b/crypto/testmgr.c
index bfee6e9f..84f96401 100644
--- a/crypto/testmgr.c
+++ b/crypto/testmgr.c
@@ -363,6 +363,16 @@ static int test_aead(struct crypto_aead *tfm, int enc,
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 @@ static int test_aead(struct crypto_aead *tfm, int enc,
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 @@ static int test_aead(struct crypto_aead *tfm, int enc,
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 @@ static int test_aead(struct crypto_aead *tfm, int enc,
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 526f00a9..b77b61da 100644
--- a/crypto/testmgr.h
+++ b/crypto/testmgr.h
@@ -62,6 +62,7 @@ struct aead_testvec {
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;