X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=src%2Futil%2Fcrypto_hkdf.c;h=494f3d0ab9efcda76f4fc560bfb3ccbecefde1de;hb=bb83cd2d04ff5a3f7a8d05fc9a724b0246e958b6;hp=eb91780cbbc8f39fa49d70ddcb2f21514f2f6a17;hpb=28857f155429eebd86d764db00fdb83d6091ea8b;p=oweals%2Fgnunet.git

diff --git a/src/util/crypto_hkdf.c b/src/util/crypto_hkdf.c
index eb91780cb..494f3d0ab 100644
--- a/src/util/crypto_hkdf.c
+++ b/src/util/crypto_hkdf.c
@@ -161,10 +161,6 @@ GNUNET_CRYPTO_hkdf_v (void *result, size_t out_len,
   if (k == 0)
     return GNUNET_SYSERR;
 
-  // FIXME: what is the check for?
-  if (out_len > (2 ^ 32 * k))
-    return GNUNET_SYSERR;
-
   if (gcry_md_open(&xtr, xtr_algo, GCRY_MD_FLAG_HMAC) != GPG_ERR_NO_ERROR)
     return GNUNET_SYSERR;
 
@@ -246,8 +242,11 @@ GNUNET_CRYPTO_hkdf_v (void *result, size_t out_len,
   if (d > 0)
     {
       if (t > 0)
-        memcpy (plain, result - k, k);
-      memset (plain + k + ctx_len, i + 1, 1);
+        {
+          memcpy (plain, result - k, k);
+          i++;
+        }
+      memset (plain + k + ctx_len, i, 1);
       gcry_md_reset (prf);
 #if DEBUG_HKDF
       dump("K(t):d", plain, plain_len);
@@ -287,8 +286,6 @@ hkdf_ok:
  * @param xts_len length of xts
  * @param skm source key material
  * @param skm_len length of skm
- * @param ctx context info
- * @param ctx_len length of ctx
  * @return GNUNET_YES on success
  */
 int