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path: root/recipes-connectivity/openssl/openssl-qoriq/qoriq/0012-SW-Backoff-mechanism-for-dsa-keygen.patch
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From f7817245b35156ec2b15514c952db806140c6ebc Mon Sep 17 00:00:00 2001
From: Yashpal Dutta <yashpal.dutta@freescale.com>
Date: Thu, 24 Apr 2014 00:35:34 +0545
Subject: [PATCH 12/48] SW Backoff mechanism for dsa keygen

Upstream-status: Pending

DSA Keygen is not handled in default openssl dsa method. Due to
same null function pointer in SW DSA method, the backoff for dsa
keygen gives segmentation fault.

Signed-off-by: Yashpal Dutta <yashpal.dutta@freescale.com>
Tested-by: Cristian Stoica <cristian.stoica@freescale.com>
---
 crypto/engine/eng_cryptodev.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/crypto/engine/eng_cryptodev.c b/crypto/engine/eng_cryptodev.c
index 2013746..a3a97d2 100644
--- a/crypto/engine/eng_cryptodev.c
+++ b/crypto/engine/eng_cryptodev.c
@@ -2188,8 +2188,10 @@ static int cryptodev_dsa_keygen(DSA *dsa)
     return ret;
  sw_try:
     {
-        const DSA_METHOD *meth = DSA_OpenSSL();
-        ret = (meth->dsa_keygen) (dsa);
+        const DSA_METHOD *meth = dsa->meth;
+        dsa->meth = DSA_OpenSSL();
+        ret = DSA_generate_key(dsa);
+        dsa->meth = meth;
     }
     return ret;
 }
@@ -2243,11 +2245,13 @@ static int cryptodev_dsa_keygen_async(DSA *dsa, struct pkc_cookie_s *cookie)
     return ret;
  sw_try:
     {
-        const DSA_METHOD *meth = DSA_OpenSSL();
+        const DSA_METHOD *meth = dsa->meth;
 
+        dsa->meth = DSA_OpenSSL();
         if (kop)
             free(kop);
-        ret = (meth->dsa_keygen) (dsa);
+        ret = DSA_generate_key(dsa);
+        dsa->meth = meth;
         cookie->pkc_callback(cookie, 0);
     }
     return ret;
-- 
2.7.3