1 files changed, 85 insertions, 0 deletions
diff --git a/libtomcrypt/src/modes/ctr/ctr_test.c b/libtomcrypt/src/modes/ctr/ctr_test.c
new file mode 100644
index 0000000..ad20778
--- /dev/null
+++ b/libtomcrypt/src/modes/ctr/ctr_test.c
@@ -0,0 +1,85 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
+ */
+#include "tomcrypt.h"
+
+/**
+  @file ctr_test.c
+  CTR implementation, Tests again RFC 3686, Tom St Denis
+*/
+
+#ifdef LTC_CTR_MODE
+
+int ctr_test(void)
+{
+#ifdef LTC_NO_TEST
+   return CRYPT_NOP;
+#else
+   static const struct {
+      int keylen, msglen;
+      unsigned char key[32], IV[16], pt[64], ct[64];
+   } tests[] = {
+/* 128-bit key, 16-byte pt */
+{
+   16, 16,
+   {0xAE,0x68,0x52,0xF8,0x12,0x10,0x67,0xCC,0x4B,0xF7,0xA5,0x76,0x55,0x77,0xF3,0x9E },
+   {0x00,0x00,0x00,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
+   {0x53,0x69,0x6E,0x67,0x6C,0x65,0x20,0x62,0x6C,0x6F,0x63,0x6B,0x20,0x6D,0x73,0x67 },
+   {0xE4,0x09,0x5D,0x4F,0xB7,0xA7,0xB3,0x79,0x2D,0x61,0x75,0xA3,0x26,0x13,0x11,0xB8 },
+},
+
+/* 128-bit key, 36-byte pt */
+{
+   16, 36,
+   {0x76,0x91,0xBE,0x03,0x5E,0x50,0x20,0xA8,0xAC,0x6E,0x61,0x85,0x29,0xF9,0xA0,0xDC },
+   {0x00,0xE0,0x01,0x7B,0x27,0x77,0x7F,0x3F,0x4A,0x17,0x86,0xF0,0x00,0x00,0x00,0x00 },
+   {0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F,
+    0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x18,0x19,0x1A,0x1B,0x1C,0x1D,0x1E,0x1F,
+    0x20,0x21,0x22,0x23},
+   {0xC1,0xCF,0x48,0xA8,0x9F,0x2F,0xFD,0xD9,0xCF,0x46,0x52,0xE9,0xEF,0xDB,0x72,0xD7,
+    0x45,0x40,0xA4,0x2B,0xDE,0x6D,0x78,0x36,0xD5,0x9A,0x5C,0xEA,0xAE,0xF3,0x10,0x53,
+    0x25,0xB2,0x07,0x2F },
+},
+};
+  int idx, err, x;
+  unsigned char buf[64];
+  symmetric_CTR ctr;
+
+  /* AES can be under rijndael or aes... try to find it */ 
+  if ((idx = find_cipher("aes")) == -1) {
+     if ((idx = find_cipher("rijndael")) == -1) {
+        return CRYPT_NOP;
+     }
+  }
+
+  for (x = 0; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) {
+     if ((err = ctr_start(idx, tests[x].IV, tests[x].key, tests[x].keylen, 0, CTR_COUNTER_BIG_ENDIAN|LTC_CTR_RFC3686, &ctr)) != CRYPT_OK) {
+        return err;
+     }
+     if ((err = ctr_encrypt(tests[x].pt, buf, tests[x].msglen, &ctr)) != CRYPT_OK) {
+        return err;
+     }
+     ctr_done(&ctr);
+     if (XMEMCMP(buf, tests[x].ct, tests[x].msglen)) {
+        return CRYPT_FAIL_TESTVECTOR;
+     }
+  }
+  return CRYPT_OK;
+#endif
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/modes/ctr/ctr_test.c,v $ */
+/* $Revision: 1.3 $ */
+/* $Date: 2006/11/05 02:06:49 $ */
+
+
+