From d99365b38714c8d89fec339fd8e20cc497fbbc2a Mon Sep 17 00:00:00 2001
From: Stephane Bakhos <sbakhos@datacandy.com>
Date: Wed, 6 May 2020 23:32:35 -0400
Subject: [PATCH] Add openssl 1.0 ECDSA_SIG_get0

---
 src/key.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/key.h b/src/key.h
index ed1f958..c939ff7 100644
--- a/src/key.h
+++ b/src/key.h
@@ -38,6 +38,16 @@
 // see www.keylength.com
 // script supports up to 75 for single byte push
 
+#if OPENSSL_VERSION_NUMBER < 0x1010000
+    void ECDSA_SIG_get0(const ECDSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps)
+    {
+        if (pr != NULL)
+            *pr = sig->r;
+        if (ps != NULL)
+            *ps = sig->s;
+    }
+#endif
+
 class key_error : public std::runtime_error
 {
 public: