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[Qemu-devel] [PULL 04/13] crypto: extend unit tests to cover decryption


From: Paolo Bonzini
Subject: [Qemu-devel] [PULL 04/13] crypto: extend unit tests to cover decryption too
Date: Fri, 24 Jul 2015 12:16:25 +0200

From: "Daniel P. Berrange" <address@hidden>

The current unit test only verifies the encryption API,
resulting in us missing a recently introduced bug in the
decryption API from commit d3462e3. It was fortunately
later discovered & fixed by commit bd09594, thanks to the
QEMU I/O tests for qcow2 encryption, but we should really
detect this directly in the crypto unit tests. Also remove
an accidental debug message and simplify some asserts.

Signed-off-by: Daniel P. Berrange <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
 tests/test-crypto-cipher.c | 28 ++++++++++++++++++++--------
 1 file changed, 20 insertions(+), 8 deletions(-)

diff --git a/tests/test-crypto-cipher.c b/tests/test-crypto-cipher.c
index f9b1a03..9d38d26 100644
--- a/tests/test-crypto-cipher.c
+++ b/tests/test-crypto-cipher.c
@@ -226,12 +226,10 @@ static void test_cipher(const void *opaque)
     const QCryptoCipherTestData *data = opaque;
 
     QCryptoCipher *cipher;
-    Error *err = NULL;
     uint8_t *key, *iv, *ciphertext, *plaintext, *outtext;
     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);
@@ -244,28 +242,42 @@ static void test_cipher(const void *opaque)
     cipher = qcrypto_cipher_new(
         data->alg, data->mode,
         key, nkey,
-        &err);
+        &error_abort);
     g_assert(cipher != NULL);
-    g_assert(err == NULL);
 
 
     if (iv) {
         g_assert(qcrypto_cipher_setiv(cipher,
                                       iv, niv,
-                                      &err) == 0);
-        g_assert(err == NULL);
+                                      &error_abort) == 0);
     }
     g_assert(qcrypto_cipher_encrypt(cipher,
                                     plaintext,
                                     outtext,
                                     nplaintext,
-                                    &err) == 0);
-    g_assert(err == NULL);
+                                    &error_abort) == 0);
 
     outtexthex = hex_string(outtext, nciphertext);
 
     g_assert_cmpstr(outtexthex, ==, data->ciphertext);
 
+    g_free(outtexthex);
+
+    if (iv) {
+        g_assert(qcrypto_cipher_setiv(cipher,
+                                      iv, niv,
+                                      &error_abort) == 0);
+    }
+    g_assert(qcrypto_cipher_decrypt(cipher,
+                                    ciphertext,
+                                    outtext,
+                                    nplaintext,
+                                    &error_abort) == 0);
+
+    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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