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[Qemu-devel] [PATCH] crypto: extend unit tests to cover decryption too


From: Daniel P. Berrange
Subject: [Qemu-devel] [PATCH] crypto: extend unit tests to cover decryption too
Date: Mon, 20 Jul 2015 18:28:42 +0100

The current unit test only verify the encryption API, which
resulted in us missing a recently introduced bug in the
decryption API from commit d3462e3. It was fortunately
later discovered & fixed by commit bd0959 thanks to the
QEMU I/O tests for qcow2 encryption, but we should really
detect this directly in the crypto unit tests.

Signed-off-by: Daniel P. Berrange <address@hidden>
---
 tests/test-crypto-cipher.c | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/tests/test-crypto-cipher.c b/tests/test-crypto-cipher.c
index f9b1a03..4485886 100644
--- a/tests/test-crypto-cipher.c
+++ b/tests/test-crypto-cipher.c
@@ -231,7 +231,6 @@ static void test_cipher(const void *opaque)
     size_t nkey, niv, nciphertext, nplaintext;
     char *outtexthex;
 
-    g_test_message("foo");
     nkey = unhex_string(data->key, &key);
     niv = unhex_string(data->iv, &iv);
     nciphertext = unhex_string(data->ciphertext, &ciphertext);
@@ -266,6 +265,25 @@ static void test_cipher(const void *opaque)
 
     g_assert_cmpstr(outtexthex, ==, data->ciphertext);
 
+    g_free(outtexthex);
+
+    if (iv) {
+        g_assert(qcrypto_cipher_setiv(cipher,
+                                      iv, niv,
+                                      &err) == 0);
+        g_assert(err == NULL);
+    }
+    g_assert(qcrypto_cipher_decrypt(cipher,
+                                    ciphertext,
+                                    outtext,
+                                    nplaintext,
+                                    &err) == 0);
+    g_assert(err == NULL);
+
+    outtexthex = hex_string(outtext, nplaintext);
+
+    g_assert_cmpstr(outtexthex, ==, data->plaintext);
+
     g_free(outtext);
     g_free(outtexthex);
     g_free(key);
-- 
2.4.3




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