From d295e6214ec4562b3940ac4a88178a260e656929 Mon Sep 17 00:00:00 2001
From: Petr Gotthard <petr.gotthard@centrum.cz>
Date: Sun, 15 Aug 2021 13:50:36 +0200
Subject: [PATCH 12/17] openssl: Remove unnecessary compatibility function

This was required for OpenSSL < 1.1.0 only.

Signed-off-by: Petr Gotthard <petr.gotthard@centrum.cz>
---
 lib/tpm2_openssl.c | 24 ------------------------
 1 file changed, 24 deletions(-)

diff --git a/lib/tpm2_openssl.c b/lib/tpm2_openssl.c
index 9cc362af..ea1d6c3b 100644
--- a/lib/tpm2_openssl.c
+++ b/lib/tpm2_openssl.c
@@ -14,30 +14,6 @@
 #include "tpm2_openssl.h"
 #include "tpm2_systemdeps.h"
 
-/* compatibility function for OpenSSL versions < 1.1.0 */
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
-static int BN_bn2binpad(const BIGNUM *a, unsigned char *to, int tolen) {
-    int r;
-    int topad;
-    int islen;
-
-    islen = BN_num_bytes(a);
-
-    if (tolen < islen)
-        return -1;
-
-    topad = tolen - islen;
-
-    memset(to, 0x00, topad);
-    r = BN_bn2bin(a, to + topad);
-    if (r == 0) {
-        return -1;
-    }
-
-    return tolen;
-}
-#endif
-
 int tpm2_openssl_halgid_from_tpmhalg(TPMI_ALG_HASH algorithm) {
 
     switch (algorithm) {
-- 
2.31.1