From 29c06e988320ee5ca0af666c5833993c7ab5bf64 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Niels=20M=C3=B6ller?= <nisse@lysator.liu.se>
Date: Sat, 2 Jul 2005 19:02:51 +0200
Subject: [PATCH] (test_cipher_ctr): New function.
Rev: src/nettle/testsuite/testutils.c:1.27
Rev: src/nettle/testsuite/testutils.h:1.22
---
testsuite/testutils.c | 38 ++++++++++++++++++++++++++++++++++++++
testsuite/testutils.h | 9 +++++++++
2 files changed, 47 insertions(+)
diff --git a/testsuite/testutils.c b/testsuite/testutils.c
index 7ea750ad..801cf882 100644
--- a/testsuite/testutils.c
+++ b/testsuite/testutils.c
@@ -3,6 +3,7 @@
#include "testutils.h"
#include "cbc.h"
+#include "ctr.h"
#include "knuth-lfib.h"
#include <ctype.h>
@@ -224,6 +225,43 @@ test_cipher_cbc(const struct nettle_cipher *cipher,
free(iv);
}
+void
+test_cipher_ctr(const struct nettle_cipher *cipher,
+ unsigned key_length,
+ const uint8_t *key,
+ unsigned length,
+ const uint8_t *cleartext,
+ const uint8_t *ciphertext,
+ const uint8_t *ictr)
+{
+ void *ctx = xalloc(cipher->context_size);
+ uint8_t *data = xalloc(length);
+ uint8_t *ctr = xalloc(cipher->block_size);
+
+ cipher->set_encrypt_key(ctx, key_length, key);
+ memcpy(ctr, ictr, cipher->block_size);
+
+ ctr_crypt(ctx, cipher->encrypt,
+ cipher->block_size, ctr,
+ length, data, cleartext);
+
+ if (!MEMEQ(length, data, ciphertext))
+ FAIL();
+
+ memcpy(ctr, ictr, cipher->block_size);
+
+ ctr_crypt(ctx, cipher->encrypt,
+ cipher->block_size, ctr,
+ length, data, data);
+
+ if (!MEMEQ(length, data, cleartext))
+ FAIL();
+
+ free(ctx);
+ free(data);
+ free(ctr);
+}
+
void
test_cipher_stream(const struct nettle_cipher *cipher,
unsigned key_length,
diff --git a/testsuite/testutils.h b/testsuite/testutils.h
index a9df1cba..46eb5c23 100644
--- a/testsuite/testutils.h
+++ b/testsuite/testutils.h
@@ -63,6 +63,15 @@ test_cipher_cbc(const struct nettle_cipher *cipher,
const uint8_t *ciphertext,
const uint8_t *iv);
+void
+test_cipher_ctr(const struct nettle_cipher *cipher,
+ unsigned key_length,
+ const uint8_t *key,
+ unsigned length,
+ const uint8_t *cleartext,
+ const uint8_t *ciphertext,
+ const uint8_t *iv);
+
void
test_cipher_stream(const struct nettle_cipher *cipher,
unsigned key_length,
--
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