From: Selva Nair <selva.n...@gmail.com>

Fixes the wrong check on siglen instead of *siglen for
signing failures.

Bug reported by: lilulo <lil...@gmail.com>

Signed-off-by: Selva Nair <selva.n...@gmail.com>
---

2.4 will need a separate patch

 src/openvpn/cryptoapi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/openvpn/cryptoapi.c b/src/openvpn/cryptoapi.c
index 0c11712e..2f2eee77 100644
--- a/src/openvpn/cryptoapi.c
+++ b/src/openvpn/cryptoapi.c
@@ -499,7 +499,7 @@ rsa_sign_CNG(int type, const unsigned char *m, unsigned int 
m_len,
     *siglen = priv_enc_CNG(cd, alg, m, (int)m_len, sig, RSA_size(rsa),
                            cng_padding_type(padding), 0);
 
-    return (siglen == 0) ? 0 : 1;
+    return (*siglen == 0) ? 0 : 1;
 }
 
 /* decrypt */
@@ -973,7 +973,7 @@ pkey_rsa_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t 
*siglen,
     *siglen = priv_enc_CNG(cd, alg, tbs, (int)tbslen, sig, *siglen,
                            cng_padding_type(padding), (DWORD)saltlen);
 
-    return (siglen == 0) ? 0 : 1;
+    return (*siglen == 0) ? 0 : 1;
 }
 
 #endif /* OPENSSL_VERSION >= 1.1.0 */
-- 
2.20.1



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