diff --git a/plugins/qca-ossl/ossl110-compat.h b/plugins/qca-ossl/ossl110-compat.h
--- a/plugins/qca-ossl/ossl110-compat.h
+++ b/plugins/qca-ossl/ossl110-compat.h
@@ -205,22 +205,6 @@
     return 1;
 }
 
-static int RSA_meth_set_sign(RSA_METHOD *meth, int (*sign) (int type, const unsigned char *m,
-    unsigned int m_length, unsigned char *sigret, unsigned int *siglen, const RSA *rsa))
-{
-    if (!meth) return 0;
-    meth->rsa_sign = sign;
-    return 1;
-}
-
-static int RSA_meth_set_verify(RSA_METHOD *meth, int (*verify) (int dtype, const unsigned char *m,
-    unsigned int m_length, const unsigned char *sigbuf, unsigned int siglen, const RSA *rsa))
-{
-    if (!meth) return 0;
-    meth->rsa_verify = verify;
-    return 1;
-}
-
 static int RSA_meth_set_finish(RSA_METHOD *meth, int (*finish) (RSA *rsa))
 {
     if (!meth) return 0;
@@ -272,4 +256,22 @@
 
 #endif // OPENSSL_VERSION_NUMBER < 0x10100000L
 
+#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || defined(LIBRESSL_VERSION_NUMBER)
+static int RSA_meth_set_sign(RSA_METHOD *meth, int (*sign) (int type, const unsigned char *m,
+    unsigned int m_length, unsigned char *sigret, unsigned int *siglen, const RSA *rsa))
+{
+    if (!meth) return 0;
+    meth->rsa_sign = sign;
+    return 1;
+}
+
+static int RSA_meth_set_verify(RSA_METHOD *meth, int (*verify) (int dtype, const unsigned char *m,
+    unsigned int m_length, const unsigned char *sigbuf, unsigned int siglen, const RSA *rsa))
+{
+    if (!meth) return 0;
+    meth->rsa_verify = verify;
+    return 1;
+}
+#endif // (OPENSSL_VERSION_NUMBER < 0x10100000L) || defined(LIBRESSL_VERSION_NUMBER)
+
 #endif // OSSL110COMPAT_H
diff --git a/plugins/qca-ossl/qca-ossl.cpp b/plugins/qca-ossl/qca-ossl.cpp
--- a/plugins/qca-ossl/qca-ossl.cpp
+++ b/plugins/qca-ossl/qca-ossl.cpp
@@ -62,12 +62,12 @@
 #endif
 
 // OpenSSL 1.1.0 compatibility macros
-#ifdef OSSL_110
+#if defined(OSSL_110) && !defined(LIBRESSL_VERSION_NUMBER)
 #define M_ASN1_IA5STRING_new() ASN1_IA5STRING_new()
 #define RSA_F_RSA_EAY_PRIVATE_DECRYPT RSA_F_RSA_OSSL_PRIVATE_DECRYPT
 #endif
 
-#ifdef OSSL_110
+#if defined(OSSL_110) && !defined(LIBRESSL_VERSION_NUMBER)
 #include <openssl/kdf.h>
 #endif
 
@@ -1280,7 +1280,7 @@
 protected:
 };
 
-#ifdef OSSL_110
+#if defined(OSSL_110) && !defined(LIBRESSL_VERSION_NUMBER)
 class opensslHkdfContext : public HKDFContext
 {
 public:
@@ -7416,7 +7416,7 @@
 #endif
 		list += "pbkdf1(sha1)";
 		list += "pbkdf2(sha1)";
-#ifdef OSSL_110
+#if defined(OSSL_110) && !defined(LIBRESSL_VERSION_NUMBER)
 		list += "hkdf(sha256)";
 #endif
 		list += "pkey";
@@ -7489,7 +7489,7 @@
 #endif
 		else if ( type == "pbkdf2(sha1)" )
 			return new opensslPbkdf2Context( this, type );
-#ifdef OSSL_110
+#if defined(OSSL_110) && !defined(LIBRESSL_VERSION_NUMBER)
 		else if ( type == "hkdf(sha256)" )
 			return new opensslHkdfContext( this, type );
 #endif