X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=src%2Futil%2Fcrypto_aes.c;h=8b031f3677a08f97dca0cd6a3189536bcd084e4c;hb=f491ac4fab469421986f77df0bbf79fefc417786;hp=9e194094ce7140344f139dec0f3cbcde7275d077;hpb=d9d94d0e53d26af75ec8241383d166544ebd79f3;p=oweals%2Fgnunet.git

diff --git a/src/util/crypto_aes.c b/src/util/crypto_aes.c
index 9e194094c..8b031f367 100644
--- a/src/util/crypto_aes.c
+++ b/src/util/crypto_aes.c
@@ -39,9 +39,9 @@ void
 GNUNET_CRYPTO_aes_create_session_key (struct GNUNET_CRYPTO_AesSessionKey *key)
 {
   gcry_randomize (&key->key[0], GNUNET_CRYPTO_AES_KEY_LENGTH,
-		  GCRY_STRONG_RANDOM);
+                  GCRY_STRONG_RANDOM);
   key->crc32 =
-    htonl (GNUNET_CRYPTO_crc32_n (key, GNUNET_CRYPTO_AES_KEY_LENGTH));
+      htonl (GNUNET_CRYPTO_crc32_n (key, GNUNET_CRYPTO_AES_KEY_LENGTH));
 }
 
 /**
@@ -51,7 +51,7 @@ GNUNET_CRYPTO_aes_create_session_key (struct GNUNET_CRYPTO_AesSessionKey *key)
  */
 int
 GNUNET_CRYPTO_aes_check_session_key (const struct GNUNET_CRYPTO_AesSessionKey
-				     *key)
+                                     *key)
 {
   uint32_t crc;
 
@@ -76,29 +76,28 @@ GNUNET_CRYPTO_aes_check_session_key (const struct GNUNET_CRYPTO_AesSessionKey
  */
 ssize_t
 GNUNET_CRYPTO_aes_encrypt (const void *block, size_t len,
-			   const struct GNUNET_CRYPTO_AesSessionKey *
-			   sessionkey,
-			   const struct GNUNET_CRYPTO_AesInitializationVector
-			   * iv, void *result)
+                           const struct GNUNET_CRYPTO_AesSessionKey *
+                           sessionkey,
+                           const struct GNUNET_CRYPTO_AesInitializationVector *
+                           iv, void *result)
 {
   gcry_cipher_hd_t handle;
   int rc;
 
   if (sessionkey->crc32 !=
-      htonl (GNUNET_CRYPTO_crc32_n
-	     (sessionkey, GNUNET_CRYPTO_AES_KEY_LENGTH)))
-    {
-      GNUNET_break (0);
-      return -1;
-    }
+      htonl (GNUNET_CRYPTO_crc32_n (sessionkey, GNUNET_CRYPTO_AES_KEY_LENGTH)))
+  {
+    GNUNET_break (0);
+    return -1;
+  }
   GNUNET_assert (0 ==
-		 gcry_cipher_open (&handle, GCRY_CIPHER_AES256,
-				   GCRY_CIPHER_MODE_CFB, 0));
+                 gcry_cipher_open (&handle, GCRY_CIPHER_AES256,
+                                   GCRY_CIPHER_MODE_CFB, 0));
   rc = gcry_cipher_setkey (handle, sessionkey, GNUNET_CRYPTO_AES_KEY_LENGTH);
   GNUNET_assert ((0 == rc) || ((char) rc == GPG_ERR_WEAK_KEY));
   rc = gcry_cipher_setiv (handle, iv,
-			  sizeof (struct
-				  GNUNET_CRYPTO_AesInitializationVector));
+                          sizeof (struct
+                                  GNUNET_CRYPTO_AesInitializationVector));
   GNUNET_assert ((0 == rc) || ((char) rc == GPG_ERR_WEAK_KEY));
   GNUNET_assert (0 == gcry_cipher_encrypt (handle, result, len, block, len));
   gcry_cipher_close (handle);
@@ -118,32 +117,30 @@ GNUNET_CRYPTO_aes_encrypt (const void *block, size_t len,
  */
 ssize_t
 GNUNET_CRYPTO_aes_decrypt (const void *block, size_t size,
-			   const struct GNUNET_CRYPTO_AesSessionKey *
-			   sessionkey,
-			   const struct GNUNET_CRYPTO_AesInitializationVector
-			   * iv, void *result)
+                           const struct GNUNET_CRYPTO_AesSessionKey *
+                           sessionkey,
+                           const struct GNUNET_CRYPTO_AesInitializationVector *
+                           iv, void *result)
 {
   gcry_cipher_hd_t handle;
   int rc;
 
   if (sessionkey->crc32 !=
-      htonl (GNUNET_CRYPTO_crc32_n
-	     (sessionkey, GNUNET_CRYPTO_AES_KEY_LENGTH)))
-    {
-      GNUNET_break (0);
-      return -1;
-    }
+      htonl (GNUNET_CRYPTO_crc32_n (sessionkey, GNUNET_CRYPTO_AES_KEY_LENGTH)))
+  {
+    GNUNET_break (0);
+    return -1;
+  }
   GNUNET_assert (0 ==
-		 gcry_cipher_open (&handle, GCRY_CIPHER_AES256,
-				   GCRY_CIPHER_MODE_CFB, 0));
+                 gcry_cipher_open (&handle, GCRY_CIPHER_AES256,
+                                   GCRY_CIPHER_MODE_CFB, 0));
   rc = gcry_cipher_setkey (handle, sessionkey, GNUNET_CRYPTO_AES_KEY_LENGTH);
   GNUNET_assert ((0 == rc) || ((char) rc == GPG_ERR_WEAK_KEY));
   rc = gcry_cipher_setiv (handle, iv,
-			  sizeof (struct
-				  GNUNET_CRYPTO_AesInitializationVector));
+                          sizeof (struct
+                                  GNUNET_CRYPTO_AesInitializationVector));
   GNUNET_assert ((0 == rc) || ((char) rc == GPG_ERR_WEAK_KEY));
-  GNUNET_assert (0 ==
-		 gcry_cipher_decrypt (handle, result, size, block, size));
+  GNUNET_assert (0 == gcry_cipher_decrypt (handle, result, size, block, size));
   gcry_cipher_close (handle);
   return size;
 }
@@ -158,8 +155,8 @@ GNUNET_CRYPTO_aes_decrypt (const void *block, size_t size,
  */
 void
 GNUNET_CRYPTO_aes_derive_iv (struct GNUNET_CRYPTO_AesInitializationVector *iv,
-			     const struct GNUNET_CRYPTO_AesSessionKey *skey,
-			     const void *salt, size_t salt_len, ...)
+                             const struct GNUNET_CRYPTO_AesSessionKey *skey,
+                             const void *salt, size_t salt_len, ...)
 {
   va_list argp;
 
@@ -177,14 +174,12 @@ GNUNET_CRYPTO_aes_derive_iv (struct GNUNET_CRYPTO_AesInitializationVector *iv,
  * @param argp pairs of void * & size_t for context chunks, terminated by NULL
  */
 void
-GNUNET_CRYPTO_aes_derive_iv_v (struct GNUNET_CRYPTO_AesInitializationVector
-			       *iv,
-			       const struct GNUNET_CRYPTO_AesSessionKey *skey,
-			       const void *salt, size_t salt_len,
-			       va_list argp)
+GNUNET_CRYPTO_aes_derive_iv_v (struct GNUNET_CRYPTO_AesInitializationVector *iv,
+                               const struct GNUNET_CRYPTO_AesSessionKey *skey,
+                               const void *salt, size_t salt_len, va_list argp)
 {
   GNUNET_CRYPTO_kdf_v (iv->iv, sizeof (iv->iv), salt, salt_len, skey->key,
-		       sizeof (skey->key), argp);
+                       sizeof (skey->key), argp);
 }
 
 /* end of crypto_aes.c */