From bfaa4c83a7f28ce0c946e9cf8f77522255e632fe Mon Sep 17 00:00:00 2001
From: van Hauser <vh@thc.org>
Date: Sun, 4 Jan 2015 21:52:34 +0100
Subject: [PATCH] rsa keylength fix

---
 CHANGES     |  1 +
 hydra-mod.c | 12 +++++++-----
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/CHANGES b/CHANGES
index 24f524c..385e4ee 100644
--- a/CHANGES
+++ b/CHANGES
@@ -6,6 +6,7 @@ Release 8.2-pre
 * Better library finding in ./configure for SVN + support for Darwin Homebrew
 * Fixed http-form module crash that only occurs on *BSD/OSX systems. Thanks to zdk for reporting!
 * Fixed for SSL connection to support TLSv1.2 etc.
+* Support for different RSA keylengths, thanks to fann95 for the patch
 * ... your patch?
 
 
diff --git a/hydra-mod.c b/hydra-mod.c
index f02db00..b2a25db 100644
--- a/hydra-mod.c
+++ b/hydra-mod.c
@@ -439,15 +439,17 @@ int internal__hydra_connect(char *host, int port, int protocol, int type) {
 
 #ifdef LIBOPENSSL
 RSA *ssl_temp_rsa_cb(SSL * ssl, int export, int keylength) {
-  if (rsa == NULL) {
+  if(rsa->n && RSA_size(rsa)!=(keylength/8)){
+      RSA_free(rsa);
+  }
+  if (rsa->n == 0) {
 #ifdef NO_RSA_LEGACY
-    RSA *private = RSA_new();
+    RSA *rsa = RSA_new();
     BIGNUM *f4 = BN_new();
-
     BN_set_word(f4, RSA_F4);
-    RSA_generate_key_ex(rsa, 1024, f4, NULL);
+    RSA_generate_key_ex(rsa, keylength, f4, NULL);
 #else
-    rsa = RSA_generate_key(1024, RSA_F4, NULL, NULL);
+    rsa = RSA_generate_key(keylength, RSA_F4, NULL, NULL);
 #endif
   }
   return rsa;