path: root/source/l/qca/Add_support_for_OpenSSL_1.1.0.diff

From d58e20ee652038dc4ec4fe4765dc3639ed735526 Mon Sep 17 00:00:00 2001
From: Fabian Vogt <fabian@ritter-vogt.de>
Date: Sat, 16 Dec 2017 22:29:40 +0100
Subject: Add support for OpenSSL 1.1.0

Test Plan:
Ran the testsuite with OpenSSL 1.1.0g and 1.0.2j, all passed.
Using this code with kdeconnect and okteta successfully on my system now.

Reviewers: iromanov

Subscribers: anthonyfieroni, alonbl, heikobecker, cfeck, asturmlechner, bero, rdieter

Differential Revision: https://phabricator.kde.org/D9416
---
 plugins/qca-ossl/ossl110-compat.h | 283 ++++++++++++++++++
 plugins/qca-ossl/qca-ossl.cpp     | 583 ++++++++++++++++++++++++--------------
 create mode 100644 plugins/qca-ossl/ossl110-compat.h

diff --git a/plugins/qca-ossl/ossl110-compat.h b/plugins/qca-ossl/ossl110-compat.h
new file mode 100644
index 0000000..ec15475
--- /dev/null
+++ b/plugins/qca-ossl/ossl110-compat.h
@@ -0,0 +1,283 @@
+/*
+ * Copyright (C) 2017 Gabriel Souza Franco <gabrielfrancosouza@gmail.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ *
+ */
+
+#ifndef OSSL110COMPAT_H
+#define OSSL110COMPAT_H
+
+#include <openssl/evp.h>
+#include <openssl/hmac.h>
+#include <openssl/rsa.h>
+#include <openssl/dsa.h>
+
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#define RSA_F_RSA_METH_DUP 161
+
+static void DSA_SIG_get0(const DSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps)
+{
+    if (pr)
+        *pr = sig->r;
+    if (ps)
+        *ps = sig->s;
+}
+
+static int DSA_SIG_set0(DSA_SIG *sig, BIGNUM *r, BIGNUM *s)
+{
+    if (!sig) return 0;
+    sig->r = r;
+    sig->s = s;
+    return 1;
+}
+
+static void DSA_get0_pqg(const DSA *dsa, const BIGNUM **p, const BIGNUM **q, const BIGNUM **g)
+{
+    if (p)
+        *p = dsa->p;
+    if (q)
+        *q = dsa->q;
+    if (g)
+        *g = dsa->g;
+}
+
+static int DSA_set0_pqg(DSA *dsa, BIGNUM *p, BIGNUM *q, BIGNUM *g)
+{
+    if (!dsa) return 0;
+    dsa->p = p;
+    dsa->q = q;
+    dsa->g = g;
+    return 1;
+}
+
+static void RSA_get0_key(const RSA *rsa, const BIGNUM **n, const BIGNUM **e, const BIGNUM **d)
+{
+    if (n)
+        *n = rsa->n;
+    if (e)
+        *e = rsa->e;
+    if (d)
+        *d = rsa->d;
+}
+
+static int RSA_set0_key(RSA *rsa, BIGNUM *n, BIGNUM *e, BIGNUM *d)
+{
+    if (!rsa) return 0;
+    rsa->n = n;
+    rsa->e = e;
+    rsa->d = d;
+    return 1;
+}
+
+static void RSA_get0_factors(const RSA *rsa, const BIGNUM **p, const BIGNUM **q)
+{
+    if (p)
+        *p = rsa->p;
+    if (q)
+        *q = rsa->q;
+}
+
+static int RSA_set0_factors(RSA *rsa, BIGNUM *p, BIGNUM *q)
+{
+    if (!rsa) return 0;
+    rsa->p = p;
+    rsa->q = q;
+    return 1;
+}
+
+static void DH_get0_pqg(const DH *dh, const BIGNUM **p, const BIGNUM **q, const BIGNUM **g)
+{
+    if (p)
+        *p = dh->p;
+    if (q)
+        *q = dh->q;
+    if (g)
+        *g = dh->g;
+}
+
+static int DH_set0_pqg(DH *dh, BIGNUM *p, BIGNUM *q, BIGNUM *g)
+{
+    if (!dh) return 0;
+    dh->p = p;
+    dh->q = q;
+    dh->g = g;
+    return 1;
+}
+
+static void DH_get0_key(const DH *dh, const BIGNUM **pub_key, const BIGNUM **priv_key)
+{
+    if (pub_key)
+        *pub_key = dh->pub_key;
+    if (priv_key)
+        *priv_key = dh->priv_key;
+}
+
+static int DH_set0_key(DH *dh, BIGNUM *pub_key, BIGNUM *priv_key)
+{
+    if (!dh) return 0;
+    dh->pub_key = pub_key;
+    dh->priv_key = priv_key;
+    return 1;
+}
+
+static void DSA_get0_key(const DSA *dsa, const BIGNUM **pub_key, const BIGNUM **priv_key)
+{
+    if (pub_key)
+        *pub_key = dsa->pub_key;
+    if (priv_key)
+        *priv_key = dsa->priv_key;
+}
+
+static int DSA_set0_key(DSA *dsa, BIGNUM *pub_key, BIGNUM *priv_key)
+{
+    if (!dsa) return 0;
+    dsa->pub_key = pub_key;
+    dsa->priv_key = priv_key;
+    return 1;
+}
+
+static void X509_SIG_getm(const X509_SIG *sig, X509_ALGOR **palg, ASN1_OCTET_STRING **pdigest)
+{
+    if (palg)
+        *palg = sig->algor;
+    if (pdigest)
+        *pdigest = sig->digest;
+}
+
+static void X509_REQ_get0_signature(const X509_REQ *req, const ASN1_BIT_STRING **psig, const X509_ALGOR **palg)
+{
+    if (psig)
+        *psig = req->signature;
+    if (palg)
+        *palg = req->sig_alg;
+}
+
+static void X509_CRL_get0_signature(const X509_CRL *crl, const ASN1_BIT_STRING **psig, const X509_ALGOR **palg)
+{
+    if (psig)
+        *psig = crl->signature;
+    if (palg)
+        *palg = crl->sig_alg;
+}
+
+static RSA_METHOD *RSA_meth_dup(const RSA_METHOD *meth)
+{
+    if (!meth)
+        return NULL;
+
+    RSA_METHOD *_meth = (RSA_METHOD *) OPENSSL_malloc(sizeof(*_meth));
+
+    if (!_meth)
+    {
+        RSAerr(RSA_F_RSA_METH_DUP, ERR_R_MALLOC_FAILURE);
+        return NULL;
+    }
+
+    memcpy(_meth, meth, sizeof(*_meth));
+    _meth->name = strdup(meth->name);
+    if (!_meth->name) {
+        OPENSSL_free(_meth);
+        RSAerr(RSA_F_RSA_METH_DUP, ERR_R_MALLOC_FAILURE);
+        return NULL;
+    }
+
+    return _meth;
+}
+
+static int RSA_meth_set_priv_enc(RSA_METHOD *rsa, int (*priv_enc) (int flen, const unsigned char *from,
+    unsigned char *to, RSA *rsa, int padding))
+{
+    if (!rsa) return 0;
+    rsa->rsa_priv_enc = priv_enc;
+    return 1;
+}
+
+static int RSA_meth_set_priv_dec(RSA_METHOD *rsa, int (*priv_dec) (int flen, const unsigned char *from,
+    unsigned char *to, RSA *rsa, int padding))
+{
+    if (!rsa) return 0;
+    rsa->rsa_priv_dec = priv_dec;
+    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;
+    meth->finish = finish;
+    return 1;
+}
+
+static HMAC_CTX *HMAC_CTX_new()
+{
+    HMAC_CTX *ctx = (HMAC_CTX *) OPENSSL_malloc(sizeof(HMAC_CTX));
+    if (ctx)
+        HMAC_CTX_init(ctx);
+    return ctx;
+}
+
+static void HMAC_CTX_free(HMAC_CTX *ctx)
+{
+    if (!ctx)
+        return;
+    HMAC_CTX_cleanup(ctx);
+    EVP_MD_CTX_cleanup(&ctx->i_ctx);
+    EVP_MD_CTX_cleanup(&ctx->o_ctx);
+    EVP_MD_CTX_cleanup(&ctx->md_ctx);
+    OPENSSL_free(ctx);
+}
+
+#define ASN1_STRING_get0_data(...) (const unsigned char*)ASN1_STRING_data(__VA_ARGS__)
+
+#define EVP_MD_CTX_new(...) EVP_MD_CTX_create(__VA_ARGS__)
+#define EVP_MD_CTX_free(...) EVP_MD_CTX_destroy(__VA_ARGS__)
+
+#define EVP_PKEY_up_ref(pkey) CRYPTO_add(&(pkey)->references, 1, CRYPTO_LOCK_EVP_PKEY)
+#define X509_up_ref(cert) CRYPTO_add(&(cert)->references, 1, CRYPTO_LOCK_X509)
+#define X509_CRL_up_ref(crl) CRYPTO_add(&(crl)->references, 1, CRYPTO_LOCK_X509_CRL)
+
+#define EVP_PKEY_id(pky) (pky)->type
+#define EVP_PKEY_get0_DSA(pky) (pky)->pkey.dsa
+#define EVP_PKEY_get0_RSA(pky) (pky)->pkey.rsa
+#define EVP_PKEY_get0_DH(pky) (pky)->pkey.dh
+
+#define X509_CRL_get0_lastUpdate X509_CRL_get_lastUpdate
+#define X509_CRL_get0_nextUpdate X509_CRL_get_nextUpdate
+
+#define X509_REQ_get_signature_nid(req) OBJ_obj2nid((req)->sig_alg->algorithm)
+#define X509_CRL_get_signature_nid(crl) OBJ_obj2nid((crl)->sig_alg->algorithm)
+
+#define X509_REVOKED_get0_serialNumber(rev) (rev)->serialNumber
+#define X509_REVOKED_get0_revocationDate(rev) (rev)->revocationDate
+
+#endif // OPENSSL_VERSION_NUMBER < 0x10100000L
+
+#endif // OSSL110COMPAT_H
diff --git a/plugins/qca-ossl/qca-ossl.cpp b/plugins/qca-ossl/qca-ossl.cpp
index a507604..39dbc2b 100644
--- a/plugins/qca-ossl/qca-ossl.cpp
+++ b/plugins/qca-ossl/qca-ossl.cpp
@@ -2,6 +2,7 @@
 /*
  * Copyright (C) 2004-2007  Justin Karneges <justin@affinix.com>
  * Copyright (C) 2004-2006  Brad Hards <bradh@frogmouth.net>
+ * Copyright (C) 2017       Fabian Vogt <fabian@ritter-vogt.de>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -39,6 +40,8 @@
 #include <openssl/pkcs12.h>
 #include <openssl/ssl.h>
 
+#include "ossl110-compat.h"
+
 #ifndef OSSL_097
 // comment this out if you'd rather use openssl 0.9.6
 #define OSSL_097
@@ -53,6 +56,16 @@
 	((_STACK*) (1 ? p : (type*)0))
 #endif
 
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+    #define OSSL_110
+#endif
+
+// OpenSSL 1.1.0 compatibility macros
+#ifdef OSSL_110
+#define M_ASN1_IA5STRING_new() ASN1_IA5STRING_new()
+#define RSA_F_RSA_EAY_PRIVATE_DECRYPT RSA_F_RSA_OSSL_PRIVATE_DECRYPT
+#endif
+
 using namespace QCA;
 
 namespace opensslQCAPlugin {
@@ -94,7 +107,7 @@ static QByteArray bio2ba(BIO *b)
 	return buf;
 }
 
-static BigInteger bn2bi(BIGNUM *n)
+static BigInteger bn2bi(const BIGNUM *n)
 {
 	SecureArray buf(BN_num_bytes(n) + 1);
 	buf[0] = 0; // positive
@@ -110,7 +123,7 @@ static BIGNUM *bi2bn(const BigInteger &n)
 
 // take lowest bytes of BIGNUM to fit
 // pad with high byte zeroes to fit
-static SecureArray bn2fixedbuf(BIGNUM *n, int size)
+static SecureArray bn2fixedbuf(const BIGNUM *n, int size)
 {
 	SecureArray buf(BN_num_bytes(n));
 	BN_bn2bin(n, (unsigned char *)buf.data());
@@ -128,8 +141,11 @@ static SecureArray dsasig_der_to_raw(const SecureArray &in)
 	const unsigned char *inp = (const unsigned char *)in.data();
 	d2i_DSA_SIG(&sig, &inp, in.size());
 
-	SecureArray part_r = bn2fixedbuf(sig->r, 20);
-	SecureArray part_s = bn2fixedbuf(sig->s, 20);
+	const BIGNUM *bnr, *bns;
+	DSA_SIG_get0(sig, &bnr, &bns);
+
+	SecureArray part_r = bn2fixedbuf(bnr, 20);
+	SecureArray part_s = bn2fixedbuf(bns, 20);
 	SecureArray result;
 	result.append(part_r);
 	result.append(part_s);
@@ -144,12 +160,16 @@ static SecureArray dsasig_raw_to_der(const SecureArray &in)
 		return SecureArray();
 
 	DSA_SIG *sig = DSA_SIG_new();
-	SecureArray part_r(20);
-	SecureArray part_s(20);
+	SecureArray part_r(20); BIGNUM *bnr;
+	SecureArray part_s(20); BIGNUM *bns;
 	memcpy(part_r.data(), in.data(), 20);
 	memcpy(part_s.data(), in.data() + 20, 20);
-	sig->r = BN_bin2bn((const unsigned char *)part_r.data(), part_r.size(), NULL);
-	sig->s = BN_bin2bn((const unsigned char *)part_s.data(), part_s.size(), NULL);
+	bnr = BN_bin2bn((const unsigned char *)part_r.data(), part_r.size(), NULL);
+	bns = BN_bin2bn((const unsigned char *)part_s.data(), part_s.size(), NULL);
+
+	if(DSA_SIG_set0(sig, bnr, bns) == 0)
+		return SecureArray();
+	// Not documented what happens in the failure case, free bnr and bns?
 
 	int len = i2d_DSA_SIG(sig, NULL);
 	SecureArray result(len);
@@ -1005,29 +1025,39 @@ public:
 	opensslHashContext(const EVP_MD *algorithm, Provider *p, const QString &type) : HashContext(p, type)
 	{
 		m_algorithm = algorithm;
-		EVP_DigestInit( &m_context, m_algorithm );
+		m_context = EVP_MD_CTX_new();
+		EVP_DigestInit( m_context, m_algorithm );
+	}
+
+	opensslHashContext(const opensslHashContext &other)
+	    : HashContext(other)
+	{
+		m_algorithm = other.m_algorithm;
+		m_context = EVP_MD_CTX_new();
+		EVP_MD_CTX_copy_ex(m_context, other.m_context);
 	}
 
 	~opensslHashContext()
 	{
-		EVP_MD_CTX_cleanup(&m_context);
+		EVP_MD_CTX_free(m_context);
 	}
 
 	void clear()
 	{
-		EVP_MD_CTX_cleanup(&m_context);
-		EVP_DigestInit( &m_context, m_algorithm );
+		EVP_MD_CTX_free(m_context);
+		m_context = EVP_MD_CTX_new();
+		EVP_DigestInit( m_context, m_algorithm );
 	}
 
 	void update(const MemoryRegion &a)
 	{
-		EVP_DigestUpdate( &m_context, (unsigned char*)a.data(), a.size() );
+		EVP_DigestUpdate( m_context, (unsigned char*)a.data(), a.size() );
 	}
 
 	MemoryRegion final()
 	{
 		SecureArray a( EVP_MD_size( m_algorithm ) );
-		EVP_DigestFinal( &m_context, (unsigned char*)a.data(), 0 );
+		EVP_DigestFinal( m_context, (unsigned char*)a.data(), 0 );
 		return a;
 	}
 
@@ -1038,7 +1068,7 @@ public:
 
 protected:
 	const EVP_MD *m_algorithm;
-	EVP_MD_CTX m_context;
+	EVP_MD_CTX *m_context;
 };
 
 
@@ -1048,7 +1078,21 @@ public:
 	opensslPbkdf1Context(const EVP_MD *algorithm, Provider *p, const QString &type) : KDFContext(p, type)
 	{
 		m_algorithm = algorithm;
-		EVP_DigestInit( &m_context, m_algorithm );
+		m_context = EVP_MD_CTX_new();
+		EVP_DigestInit( m_context, m_algorithm );
+	}
+
+	opensslPbkdf1Context(const opensslPbkdf1Context &other)
+	    : KDFContext(other)
+	{
+		m_algorithm = other.m_algorithm;
+		m_context = EVP_MD_CTX_new();
+		EVP_MD_CTX_copy(m_context, other.m_context);
+	}
+
+	~opensslPbkdf1Context()
+	{
+		EVP_MD_CTX_free(m_context);
 	}
 
 	Provider::Context *clone() const
@@ -1082,16 +1126,16 @@ public:
 		  DK = Tc<0..dkLen-1>
 		*/
 		// calculate T_1
-		EVP_DigestUpdate( &m_context, (unsigned char*)secret.data(), secret.size() );
-		EVP_DigestUpdate( &m_context, (unsigned char*)salt.data(), salt.size() );
+		EVP_DigestUpdate( m_context, (unsigned char*)secret.data(), secret.size() );
+		EVP_DigestUpdate( m_context, (unsigned char*)salt.data(), salt.size() );
 		SecureArray a( EVP_MD_size( m_algorithm ) );
-		EVP_DigestFinal( &m_context, (unsigned char*)a.data(), 0 );
+		EVP_DigestFinal( m_context, (unsigned char*)a.data(), 0 );
 
 		// calculate T_2 up to T_c
 		for ( unsigned int i = 2; i <= iterationCount; ++i ) {
-			EVP_DigestInit( &m_context, m_algorithm );
-			EVP_DigestUpdate( &m_context, (unsigned char*)a.data(), a.size() );
-			EVP_DigestFinal( &m_context, (unsigned char*)a.data(), 0 );
+			EVP_DigestInit( m_context, m_algorithm );
+			EVP_DigestUpdate( m_context, (unsigned char*)a.data(), a.size() );
+			EVP_DigestFinal( m_context, (unsigned char*)a.data(), 0 );
 		}
 
 		// shrink a to become DK, of the required length
@@ -1137,19 +1181,19 @@ public:
 		  DK = Tc<0..dkLen-1>
 		*/
 		// calculate T_1
-		EVP_DigestUpdate( &m_context, (unsigned char*)secret.data(), secret.size() );
-		EVP_DigestUpdate( &m_context, (unsigned char*)salt.data(), salt.size() );
+		EVP_DigestUpdate( m_context, (unsigned char*)secret.data(), secret.size() );
+		EVP_DigestUpdate( m_context, (unsigned char*)salt.data(), salt.size() );
 		SecureArray a( EVP_MD_size( m_algorithm ) );
-		EVP_DigestFinal( &m_context, (unsigned char*)a.data(), 0 );
+		EVP_DigestFinal( m_context, (unsigned char*)a.data(), 0 );
 
 		// calculate T_2 up to T_c
 		*iterationCount = 2 - 1;	// <- Have to remove 1, unless it computes one
 		timer.start();				// ^  time more than the base function
 									// ^  with the same iterationCount
 		while (timer.elapsed() < msecInterval) {
-			EVP_DigestInit( &m_context, m_algorithm );
-			EVP_DigestUpdate( &m_context, (unsigned char*)a.data(), a.size() );
-			EVP_DigestFinal( &m_context, (unsigned char*)a.data(), 0 );
+			EVP_DigestInit( m_context, m_algorithm );
+			EVP_DigestUpdate( m_context, (unsigned char*)a.data(), a.size() );
+			EVP_DigestFinal( m_context, (unsigned char*)a.data(), 0 );
 			++(*iterationCount);
 		}
 
@@ -1164,7 +1208,7 @@ public:
 
 protected:
 	const EVP_MD *m_algorithm;
-	EVP_MD_CTX m_context;
+	EVP_MD_CTX *m_context;
 };
 
 class opensslPbkdf2Context : public KDFContext
@@ -1232,12 +1276,28 @@ public:
 	opensslHMACContext(const EVP_MD *algorithm, Provider *p, const QString &type) : MACContext(p, type)
 	{
 		m_algorithm = algorithm;
-		HMAC_CTX_init( &m_context );
+		m_context = HMAC_CTX_new();
+#ifndef OSSL_110
+		HMAC_CTX_init( m_context );
+#endif
+	}
+
+	opensslHMACContext(const opensslHMACContext &other)
+	    : MACContext(other)
+	{
+		m_algorithm = other.m_algorithm;
+		m_context = HMAC_CTX_new();
+		HMAC_CTX_copy(m_context, other.m_context);
+	}
+
+	~opensslHMACContext()
+	{
+		HMAC_CTX_free(m_context);
 	}
 
 	void setup(const SymmetricKey &key)
 	{
-		HMAC_Init_ex( &m_context, key.data(), key.size(), m_algorithm, 0 );
+		HMAC_Init_ex( m_context, key.data(), key.size(), m_algorithm, 0 );
 	}
 
 	KeyLength keyLength() const
@@ -1247,14 +1307,18 @@ public:
 
 	void update(const MemoryRegion &a)
 	{
-		HMAC_Update( &m_context, (unsigned char *)a.data(), a.size() );
+		HMAC_Update( m_context, (unsigned char *)a.data(), a.size() );
 	}
 
 	void final(MemoryRegion *out)
 	{
 		SecureArray sa( EVP_MD_size( m_algorithm ), 0 );
-		HMAC_Final(&m_context, (unsigned char *)sa.data(), 0 );
-		HMAC_CTX_cleanup(&m_context);
+		HMAC_Final(m_context, (unsigned char *)sa.data(), 0 );
+#ifdef OSSL_110
+		HMAC_CTX_reset(m_context);
+#else
+		HMAC_CTX_cleanup(m_context);
+#endif
 		*out = sa;
 	}
 
@@ -1264,7 +1328,7 @@ public:
 	}
 
 protected:
-	HMAC_CTX m_context;
+	HMAC_CTX *m_context;
 	const EVP_MD *m_algorithm;
 };
 
@@ -1278,7 +1342,7 @@ class EVPKey
 public:
 	enum State { Idle, SignActive, SignError, VerifyActive, VerifyError };
 	EVP_PKEY *pkey;
-	EVP_MD_CTX mdctx;
+	EVP_MD_CTX *mdctx;
 	State state;
 	bool raw_type;
 	SecureArray raw;
@@ -1288,19 +1352,23 @@ public:
 		pkey = 0;
 		raw_type = false;
 		state = Idle;
+		mdctx = EVP_MD_CTX_new();
 	}
 
 	EVPKey(const EVPKey &from)
 	{
 		pkey = from.pkey;
-		CRYPTO_add(&pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
+		EVP_PKEY_up_ref(pkey);
 		raw_type = false;
 		state = Idle;
+		mdctx = EVP_MD_CTX_new();
+		EVP_MD_CTX_copy(mdctx, from.mdctx);
 	}
 
 	~EVPKey()
 	{
 		reset();
+		EVP_MD_CTX_free(mdctx);
 	}
 
 	void reset()
@@ -1323,8 +1391,8 @@ public:
 		else
 		{
 			raw_type = false;
-			EVP_MD_CTX_init(&mdctx);
-			if(!EVP_SignInit_ex(&mdctx, type, NULL))
+			EVP_MD_CTX_init(mdctx);
+			if(!EVP_SignInit_ex(mdctx, type, NULL))
 				state = SignError;
 		}
 	}
@@ -1340,8 +1408,8 @@ public:
 		else
 		{
 			raw_type = false;
-			EVP_MD_CTX_init(&mdctx);
-			if(!EVP_VerifyInit_ex(&mdctx, type, NULL))
+			EVP_MD_CTX_init(mdctx);
+			if(!EVP_VerifyInit_ex(mdctx, type, NULL))
 				state = VerifyError;
 		}
 	}
@@ -1353,7 +1421,7 @@ public:
 			if (raw_type)
 				raw += in;
 			else
-				if(!EVP_SignUpdate(&mdctx, in.data(), (unsigned int)in.size()))
+				if(!EVP_SignUpdate(mdctx, in.data(), (unsigned int)in.size()))
 					state = SignError;
 		}
 		else if(state == VerifyActive)
@@ -1361,7 +1429,7 @@ public:
 			if (raw_type)
 				raw += in;
 			else
-				if(!EVP_VerifyUpdate(&mdctx, in.data(), (unsigned int)in.size()))
+				if(!EVP_VerifyUpdate(mdctx, in.data(), (unsigned int)in.size()))
 					state = VerifyError;
 		}
 	}
@@ -1374,17 +1442,20 @@ public:
 			unsigned int len = out.size();
 			if (raw_type)
 			{
-				if (pkey->type == EVP_PKEY_RSA)
+				int type = EVP_PKEY_id(pkey);
+
+				if (type == EVP_PKEY_RSA)
 				{
+					RSA *rsa = EVP_PKEY_get0_RSA(pkey);
 					if(RSA_private_encrypt (raw.size(), (unsigned char *)raw.data(),
-											(unsigned char *)out.data(), pkey->pkey.rsa,
+					                        (unsigned char *)out.data(), rsa,
 											RSA_PKCS1_PADDING) == -1) {
 
 						state = SignError;
 						return SecureArray ();
 					}
 				}
-				else if (pkey->type == EVP_PKEY_DSA)
+				else if (type == EVP_PKEY_DSA)
 				{
 					state = SignError;
 					return SecureArray ();
@@ -1396,7 +1467,7 @@ public:
 				}
 			}
 			else {
-				if(!EVP_SignFinal(&mdctx, (unsigned char *)out.data(), &len, pkey))
+				if(!EVP_SignFinal(mdctx, (unsigned char *)out.data(), &len, pkey))
 				{
 					state = SignError;
 					return SecureArray();
@@ -1419,16 +1490,19 @@ public:
 				SecureArray out(EVP_PKEY_size(pkey));
 				int len = 0;
 
-				if (pkey->type == EVP_PKEY_RSA) {
+				int type = EVP_PKEY_id(pkey);
+
+				if (type == EVP_PKEY_RSA) {
+					RSA *rsa = EVP_PKEY_get0_RSA(pkey);
 					if((len = RSA_public_decrypt (sig.size(), (unsigned char *)sig.data(),
-												  (unsigned char *)out.data (), pkey->pkey.rsa,
+					                                (unsigned char *)out.data (), rsa,
 												  RSA_PKCS1_PADDING)) == -1) {
 
 						state = VerifyError;
 						return false;
 					}
 				}
-				else if (pkey->type == EVP_PKEY_DSA)
+				else if (type == EVP_PKEY_DSA)
 				{
 					state = VerifyError;
 					return false;
@@ -1448,7 +1522,7 @@ public:
 			}
 			else
 			{
-				if(EVP_VerifyFinal(&mdctx, (unsigned char *)sig.data(), (unsigned int)sig.size(), pkey) != 1)
+				if(EVP_VerifyFinal(mdctx, (unsigned char *)sig.data(), (unsigned int)sig.size(), pkey) != 1)
 				{
 					state = VerifyError;
 					return false;
@@ -1562,9 +1636,11 @@ static bool make_dlgroup(const QByteArray &seed, int bits, int counter, DLParams
 		return false;
 	if(ret_counter != counter)
 		return false;
-	params->p = bn2bi(dsa->p);
-	params->q = bn2bi(dsa->q);
-	params->g = bn2bi(dsa->g);
+	const BIGNUM *bnp, *bnq, *bng;
+	DSA_get0_pqg(dsa, &bnp, &bnq, &bng);
+	params->p = bn2bi(bnp);
+	params->q = bn2bi(bnq);
+	params->g = bn2bi(bng);
 	DSA_free(dsa);
 	return true;
 }
@@ -1827,10 +1903,11 @@ public:
 			return;
 
 		// extract the public key into DER format
-		int len = i2d_RSAPublicKey(evp.pkey->pkey.rsa, NULL);
+		RSA *rsa_pkey = EVP_PKEY_get0_RSA(evp.pkey);
+		int len = i2d_RSAPublicKey(rsa_pkey, NULL);
 		SecureArray result(len);
 		unsigned char *p = (unsigned char *)result.data();
-		i2d_RSAPublicKey(evp.pkey->pkey.rsa, &p);
+		i2d_RSAPublicKey(rsa_pkey, &p);
 		p = (unsigned char *)result.data();
 
 		// put the DER public key back into openssl
@@ -1853,7 +1930,7 @@ public:
 
 	virtual int maximumEncryptSize(EncryptionAlgorithm alg) const
 	{
-		RSA *rsa = evp.pkey->pkey.rsa;
+		RSA *rsa = EVP_PKEY_get0_RSA(evp.pkey);
 		int size = 0;
 		switch(alg)
 		{
@@ -1868,7 +1945,7 @@ public:
 
 	virtual SecureArray encrypt(const SecureArray &in, EncryptionAlgorithm alg)
 	{
-		RSA *rsa = evp.pkey->pkey.rsa;
+		RSA *rsa = EVP_PKEY_get0_RSA(evp.pkey);
 		SecureArray buf = in;
 		int max = maximumEncryptSize(alg);
 
@@ -1901,7 +1978,7 @@ public:
 
 	virtual bool decrypt(const SecureArray &in, SecureArray *out, EncryptionAlgorithm alg)
 	{
-		RSA *rsa = evp.pkey->pkey.rsa;
+		RSA *rsa = EVP_PKEY_get0_RSA(evp.pkey);
 		SecureArray result(RSA_size(rsa));
 		int pad;
 
@@ -2022,14 +2099,10 @@ public:
 		evp.reset();
 
 		RSA *rsa = RSA_new();
-		rsa->n = bi2bn(n);
-		rsa->e = bi2bn(e);
-		rsa->p = bi2bn(p);
-		rsa->q = bi2bn(q);
-		rsa->d = bi2bn(d);
-
-		if(!rsa->n || !rsa->e || !rsa->p || !rsa->q || !rsa->d)
+		if(RSA_set0_key(rsa, bi2bn(n), bi2bn(e), bi2bn(d)) == 0
+		    || RSA_set0_factors(rsa, bi2bn(p), bi2bn(q)) == 0)
 		{
+			// Free BIGNUMS?
 			RSA_free(rsa);
 			return;
 		}
@@ -2037,7 +2110,7 @@ public:
 		// When private key has no Public Exponent (e) or Private Exponent (d)
 		// need to disable blinding. Otherwise decryption will be broken.
 		// http://www.mail-archive.com/openssl-users@openssl.org/msg63530.html
-		if(BN_is_zero(rsa->e) || BN_is_zero(rsa->d))
+		if(e == BigInteger(0) || d == BigInteger(0))
 			RSA_blinding_off(rsa);
 
 		evp.pkey = EVP_PKEY_new();
@@ -2050,10 +2123,7 @@ public:
 		evp.reset();
 
 		RSA *rsa = RSA_new();
-		rsa->n = bi2bn(n);
-		rsa->e = bi2bn(e);
-
-		if(!rsa->n || !rsa->e)
+		if(RSA_set0_key(rsa, bi2bn(n), bi2bn(e), NULL) == 0)
 		{
 			RSA_free(rsa);
 			return;
@@ -2066,27 +2136,42 @@ public:
 
 	virtual BigInteger n() const
 	{
-		return bn2bi(evp.pkey->pkey.rsa->n);
+		RSA *rsa = EVP_PKEY_get0_RSA(evp.pkey);
+		const BIGNUM *bnn;
+		RSA_get0_key(rsa, &bnn, NULL, NULL);
+		return bn2bi(bnn);
 	}
 
 	virtual BigInteger e() const
 	{
-		return bn2bi(evp.pkey->pkey.rsa->e);
+		RSA *rsa = EVP_PKEY_get0_RSA(evp.pkey);
+		const BIGNUM *bne;
+		RSA_get0_key(rsa, NULL, &bne, NULL);
+		return bn2bi(bne);
 	}
 
 	virtual BigInteger p() const
 	{
-		return bn2bi(evp.pkey->pkey.rsa->p);
+		RSA *rsa = EVP_PKEY_get0_RSA(evp.pkey);
+		const BIGNUM *bnp;
+		RSA_get0_factors(rsa, &bnp, NULL);
+		return bn2bi(bnp);
 	}
 
 	virtual BigInteger q() const
 	{
-		return bn2bi(evp.pkey->pkey.rsa->q);
+		RSA *rsa = EVP_PKEY_get0_RSA(evp.pkey);
+		const BIGNUM *bnq;
+		RSA_get0_factors(rsa, NULL, &bnq);
+		return bn2bi(bnq);
 	}
 
 	virtual BigInteger d() const
 	{
-		return bn2bi(evp.pkey->pkey.rsa->d);
+		RSA *rsa = EVP_PKEY_get0_RSA(evp.pkey);
+		const BIGNUM *bnd;
+		RSA_get0_key(rsa, NULL, NULL, &bnd);
+		return bn2bi(bnd);
 	}
 
 private slots:
@@ -2135,10 +2220,12 @@ public:
 	virtual void run()
 	{
 		DSA *dsa = DSA_new();
-		dsa->p = bi2bn(domain.p());
-		dsa->q = bi2bn(domain.q());
-		dsa->g = bi2bn(domain.g());
-		if(!DSA_generate_key(dsa))
+		BIGNUM *pne = bi2bn(domain.p()),
+		*qne = bi2bn(domain.q()),
+		*gne = bi2bn(domain.g());
+
+		if(!DSA_set0_pqg(dsa, pne, qne, gne)
+		    || !DSA_generate_key(dsa))
 		{
 			DSA_free(dsa);
 			return;
@@ -2213,10 +2300,11 @@ public:
 			return;
 
 		// extract the public key into DER format
-		int len = i2d_DSAPublicKey(evp.pkey->pkey.dsa, NULL);
+		DSA *dsa_pkey = EVP_PKEY_get0_DSA(evp.pkey);
+		int len = i2d_DSAPublicKey(dsa_pkey, NULL);
 		SecureArray result(len);
 		unsigned char *p = (unsigned char *)result.data();
-		i2d_DSAPublicKey(evp.pkey->pkey.dsa, &p);
+		i2d_DSAPublicKey(dsa_pkey, &p);
 		p = (unsigned char *)result.data();
 
 		// put the DER public key back into openssl
@@ -2245,7 +2333,7 @@ public:
 		else
 			transformsig = false;
 
-		evp.startSign(EVP_dss1());
+		evp.startSign(EVP_sha1());
 	}
 
 	virtual void startVerify(SignatureAlgorithm, SignatureFormat format)
@@ -2256,7 +2344,7 @@ public:
 		else
 			transformsig = false;
 
-		evp.startVerify(EVP_dss1());
+		evp.startVerify(EVP_sha1());
 	}
 
 	virtual void update(const MemoryRegion &in)
@@ -2306,13 +2394,14 @@ public:
 		evp.reset();
 
 		DSA *dsa = DSA_new();
-		dsa->p = bi2bn(domain.p());
-		dsa->q = bi2bn(domain.q());
-		dsa->g = bi2bn(domain.g());
-		dsa->pub_key = bi2bn(y);
-		dsa->priv_key = bi2bn(x);
+		BIGNUM *bnp = bi2bn(domain.p());
+		BIGNUM *bnq = bi2bn(domain.q());
+		BIGNUM *bng = bi2bn(domain.g());
+		BIGNUM *bnpub_key = bi2bn(y);
+		BIGNUM *bnpriv_key = bi2bn(x);
 
-		if(!dsa->p || !dsa->q || !dsa->g || !dsa->pub_key || !dsa->priv_key)
+		if(!DSA_set0_pqg(dsa, bnp, bnq, bng)
+		    || !DSA_set0_key(dsa, bnpub_key, bnpriv_key))
 		{
 			DSA_free(dsa);
 			return;
@@ -2328,12 +2417,13 @@ public:
 		evp.reset();
 
 		DSA *dsa = DSA_new();
-		dsa->p = bi2bn(domain.p());
-		dsa->q = bi2bn(domain.q());
-		dsa->g = bi2bn(domain.g());
-		dsa->pub_key = bi2bn(y);
+		BIGNUM *bnp = bi2bn(domain.p());
+		BIGNUM *bnq = bi2bn(domain.q());
+		BIGNUM *bng = bi2bn(domain.g());
+		BIGNUM *bnpub_key = bi2bn(y);
 
-		if(!dsa->p || !dsa->q || !dsa->g || !dsa->pub_key)
+		if(!DSA_set0_pqg(dsa, bnp, bnq, bng)
+		    || !DSA_set0_key(dsa, bnpub_key, NULL))
 		{
 			DSA_free(dsa);
 			return;
@@ -2346,17 +2436,26 @@ public:
 
 	virtual DLGroup domain() const
 	{
-		return DLGroup(bn2bi(evp.pkey->pkey.dsa->p), bn2bi(evp.pkey->pkey.dsa->q), bn2bi(evp.pkey->pkey.dsa->g));
+		DSA *dsa = EVP_PKEY_get0_DSA(evp.pkey);
+		const BIGNUM *bnp, *bnq, *bng;
+		DSA_get0_pqg(dsa, &bnp, &bnq, &bng);
+		return DLGroup(bn2bi(bnp), bn2bi(bnq), bn2bi(bng));
 	}
 
 	virtual BigInteger y() const
 	{
-		return bn2bi(evp.pkey->pkey.dsa->pub_key);
+		DSA *dsa = EVP_PKEY_get0_DSA(evp.pkey);
+		const BIGNUM *bnpub_key;
+		DSA_get0_key(dsa, &bnpub_key, NULL);
+		return bn2bi(bnpub_key);
 	}
 
 	virtual BigInteger x() const
 	{
-		return bn2bi(evp.pkey->pkey.dsa->priv_key);
+		DSA *dsa = EVP_PKEY_get0_DSA(evp.pkey);
+		const BIGNUM *bnpriv_key;
+		DSA_get0_key(dsa, NULL, &bnpriv_key);
+		return bn2bi(bnpriv_key);
 	}
 
 private slots:
@@ -2405,9 +2504,10 @@ public:
 	virtual void run()
 	{
 		DH *dh = DH_new();
-		dh->p = bi2bn(domain.p());
-		dh->g = bi2bn(domain.g());
-		if(!DH_generate_key(dh))
+		BIGNUM *bnp = bi2bn(domain.p());
+		BIGNUM *bng = bi2bn(domain.g());
+		if(!DH_set0_pqg(dh, bnp, NULL, bng)
+		        || !DH_generate_key(dh))
 		{
 			DH_free(dh);
 			return;
@@ -2479,11 +2579,14 @@ public:
 		if(!sec)
 			return;
 
-		DH *orig = evp.pkey->pkey.dh;
+		DH *orig = EVP_PKEY_get0_DH(evp.pkey);
 		DH *dh = DH_new();
-		dh->p = BN_dup(orig->p);
-		dh->g = BN_dup(orig->g);
-		dh->pub_key = BN_dup(orig->pub_key);
+		const BIGNUM *bnp, *bng, *bnpub_key;
+		DH_get0_pqg(orig, &bnp, NULL, &bng);
+		DH_get0_key(orig, &bnpub_key, NULL);
+
+		DH_set0_key(dh, BN_dup(bnpub_key), NULL);
+		DH_set0_pqg(dh, BN_dup(bnp), NULL, BN_dup(bng));
 
 		evp.reset();
 
@@ -2499,10 +2602,13 @@ public:
 
 	virtual SymmetricKey deriveKey(const PKeyBase &theirs)
 	{
-		DH *dh = evp.pkey->pkey.dh;
-		DH *them = static_cast<const DHKey *>(&theirs)->evp.pkey->pkey.dh;
+		DH *dh = EVP_PKEY_get0_DH(evp.pkey);
+		DH *them = EVP_PKEY_get0_DH(static_cast<const DHKey *>(&theirs)->evp.pkey);
+		const BIGNUM *bnpub_key;
+		DH_get0_key(them, &bnpub_key, NULL);
+
 		SecureArray result(DH_size(dh));
-		int ret = DH_compute_key((unsigned char *)result.data(), them->pub_key, dh);
+		int ret = DH_compute_key((unsigned char *)result.data(), bnpub_key, dh);
 		if(ret <= 0)
 			return SymmetricKey();
 		result.resize(ret);
@@ -2532,12 +2638,13 @@ public:
 		evp.reset();
 
 		DH *dh = DH_new();
-		dh->p = bi2bn(domain.p());
-		dh->g = bi2bn(domain.g());
-		dh->pub_key = bi2bn(y);
-		dh->priv_key = bi2bn(x);
+		BIGNUM *bnp = bi2bn(domain.p());
+		BIGNUM *bng = bi2bn(domain.g());
+		BIGNUM *bnpub_key = bi2bn(y);
+		BIGNUM *bnpriv_key = bi2bn(x);
 
-		if(!dh->p || !dh->g || !dh->pub_key || !dh->priv_key)
+		if(!DH_set0_key(dh, bnpub_key, bnpriv_key)
+		    || !DH_set0_pqg(dh, bnp, NULL, bng))
 		{
 			DH_free(dh);
 			return;
@@ -2553,11 +2660,12 @@ public:
 		evp.reset();
 
 		DH *dh = DH_new();
-		dh->p = bi2bn(domain.p());
-		dh->g = bi2bn(domain.g());
-		dh->pub_key = bi2bn(y);
+		BIGNUM *bnp = bi2bn(domain.p());
+		BIGNUM *bng = bi2bn(domain.g());
+		BIGNUM *bnpub_key = bi2bn(y);
 
-		if(!dh->p || !dh->g || !dh->pub_key)
+        if(!DH_set0_key(dh, bnpub_key, NULL)
+                || !DH_set0_pqg(dh, bnp, NULL, bng))
 		{
 			DH_free(dh);
 			return;
@@ -2570,17 +2678,26 @@ public:
 
 	virtual DLGroup domain() const
 	{
-		return DLGroup(bn2bi(evp.pkey->pkey.dh->p), bn2bi(evp.pkey->pkey.dh->g));
+		DH *dh = EVP_PKEY_get0_DH(evp.pkey);
+		const BIGNUM *bnp, *bng;
+		DH_get0_pqg(dh, &bnp, NULL, &bng);
+		return DLGroup(bn2bi(bnp), bn2bi(bng));
 	}
 
 	virtual BigInteger y() const
 	{
-		return bn2bi(evp.pkey->pkey.dh->pub_key);
+		DH *dh = EVP_PKEY_get0_DH(evp.pkey);
+		const BIGNUM *bnpub_key;
+		DH_get0_key(dh, &bnpub_key, NULL);
+		return bn2bi(bnpub_key);
 	}
 
 	virtual BigInteger x() const
 	{
-		return bn2bi(evp.pkey->pkey.dh->priv_key);
+		DH *dh = EVP_PKEY_get0_DH(evp.pkey);
+		const BIGNUM *bnpriv_key;
+		DH_get0_key(dh, NULL, &bnpriv_key);
+		return bn2bi(bnpriv_key);
 	}
 
 private slots:
@@ -2619,10 +2736,14 @@ public:
 	{
 		key = _key;
 		RSA_set_method(rsa, rsa_method());
+#ifndef OSSL_110
 		rsa->flags |= RSA_FLAG_SIGN_VER;
+#endif
 		RSA_set_app_data(rsa, this);
-		rsa->n = bi2bn(_key.n());
-		rsa->e = bi2bn(_key.e());
+		BIGNUM *bnn = bi2bn(_key.n());
+		BIGNUM *bne = bi2bn(_key.e());
+
+		RSA_set0_key(rsa, bnn, bne, NULL);
 	}
 
 	RSA_METHOD *rsa_method()
@@ -2631,12 +2752,16 @@ public:
 
 		if(!ops)
 		{
-			ops = new RSA_METHOD(*RSA_get_default_method());
-			ops->rsa_priv_enc = 0;//pkcs11_rsa_encrypt;
-			ops->rsa_priv_dec = rsa_priv_dec;
-			ops->rsa_sign = rsa_sign;
-			ops->rsa_verify = 0;//pkcs11_rsa_verify;
-			ops->finish = rsa_finish;
+			ops = RSA_meth_dup(RSA_get_default_method());
+			RSA_meth_set_priv_enc(ops, NULL); //pkcs11_rsa_encrypt
+			RSA_meth_set_priv_dec(ops, rsa_priv_dec); //pkcs11_rsa_encrypt
+#ifdef OSSL_110
+			RSA_meth_set_sign(ops, NULL);
+#else
+			RSA_meth_set_sign(ops, rsa_sign);
+#endif
+			RSA_meth_set_verify(ops, NULL); //pkcs11_rsa_verify
+			RSA_meth_set_finish(ops, rsa_finish);
 		}
 		return ops;
 	}
@@ -2676,6 +2801,7 @@ public:
 		return -1;
 	}
 
+#ifndef OSSL_110
 	static int rsa_sign(int type, const unsigned char *m, unsigned int m_len, unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
 	{
 		QCA_RSA_METHOD *self = (QCA_RSA_METHOD *)RSA_get_app_data(rsa);
@@ -2692,7 +2818,6 @@ public:
 		}
 		else
 		{
-
 			// make X509 packet
 			X509_SIG sig;
 			ASN1_TYPE parameter;
@@ -2766,6 +2891,7 @@ public:
 
 		return 1;
 	}
+#endif
 
 	static int rsa_finish(RSA *rsa)
 	{
@@ -2867,21 +2993,22 @@ public:
 	PKeyBase *pkeyToBase(EVP_PKEY *pkey, bool sec) const
 	{
 		PKeyBase *nk = 0;
-		if(pkey->type == EVP_PKEY_RSA)
+		int pkey_type = EVP_PKEY_type(EVP_PKEY_id(pkey));
+		if(pkey_type == EVP_PKEY_RSA)
 		{
 			RSAKey *c = new RSAKey(provider());
 			c->evp.pkey = pkey;
 			c->sec = sec;
 			nk = c;
 		}
-		else if(pkey->type == EVP_PKEY_DSA)
+		else if(pkey_type == EVP_PKEY_DSA)
 		{
 			DSAKey *c = new DSAKey(provider());
 			c->evp.pkey = pkey;
 			c->sec = sec;
 			nk = c;
 		}
-		else if(pkey->type == EVP_PKEY_DH)
+		else if(pkey_type == EVP_PKEY_DH)
 		{
 			DHKey *c = new DHKey(provider());
 			c->evp.pkey = pkey;
@@ -2899,8 +3026,10 @@ public:
 	{
 		EVP_PKEY *pkey = get_pkey();
 
+		int pkey_type = EVP_PKEY_type(EVP_PKEY_id(pkey));
+
 		// OpenSSL does not have DH import/export support
-		if(pkey->type == EVP_PKEY_DH)
+		if(pkey_type == EVP_PKEY_DH)
 			return QByteArray();
 
 		BIO *bo = BIO_new(BIO_s_mem());
@@ -2913,8 +3042,10 @@ public:
 	{
 		EVP_PKEY *pkey = get_pkey();
 
+		int pkey_type = EVP_PKEY_type(EVP_PKEY_id(pkey));
+
 		// OpenSSL does not have DH import/export support
-		if(pkey->type == EVP_PKEY_DH)
+		if(pkey_type == EVP_PKEY_DH)
 			return QString();
 
 		BIO *bo = BIO_new(BIO_s_mem());
@@ -2979,9 +3110,10 @@ public:
 			return SecureArray();
 
 		EVP_PKEY *pkey = get_pkey();
+		int pkey_type = EVP_PKEY_type(EVP_PKEY_id(pkey));
 
 		// OpenSSL does not have DH import/export support
-		if(pkey->type == EVP_PKEY_DH)
+		if(pkey_type == EVP_PKEY_DH)
 			return SecureArray();
 
 		BIO *bo = BIO_new(BIO_s_mem());
@@ -3008,9 +3140,10 @@ public:
 			return QString();
 
 		EVP_PKEY *pkey = get_pkey();
+		int pkey_type = EVP_PKEY_type(EVP_PKEY_id(pkey));
 
 		// OpenSSL does not have DH import/export support
-		if(pkey->type == EVP_PKEY_DH)
+		if(pkey_type == EVP_PKEY_DH)
 			return QString();
 
 		BIO *bo = BIO_new(BIO_s_mem());
@@ -3111,11 +3244,18 @@ public:
 			crl = from.crl;
 
 			if(cert)
-				CRYPTO_add(&cert->references, 1, CRYPTO_LOCK_X509);
+				X509_up_ref(cert);
 			if(req)
+			{
+#ifdef OSSL_110
+				// Not exposed, so copy
+				req = X509_REQ_dup(req);
+#else
 				CRYPTO_add(&req->references, 1, CRYPTO_LOCK_X509_REQ);
+#endif
+			}
 			if(crl)
-				CRYPTO_add(&crl->references, 1, CRYPTO_LOCK_X509_CRL);
+				X509_CRL_up_ref(crl);
 		}
 
 		return *this;
@@ -3221,7 +3361,7 @@ public:
 //
 // This code is mostly taken from OpenSSL v0.9.5a
 // by Eric Young
-QDateTime ASN1_UTCTIME_QDateTime(ASN1_UTCTIME *tm, int *isGmt)
+QDateTime ASN1_UTCTIME_QDateTime(const ASN1_UTCTIME *tm, int *isGmt)
 {
 	QDateTime qdt;
 	char *v;
@@ -3319,7 +3459,7 @@ public:
 
 	void fromX509(X509 *x)
 	{
-		CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
+		X509_up_ref(x);
 		item.cert = x;
 		make_props();
 	}
@@ -3350,7 +3490,7 @@ public:
 		if(priv.key()->type() == PKey::RSA)
 			md = EVP_sha1();
 		else if(priv.key()->type() == PKey::DSA)
-			md = EVP_dss1();
+			md = EVP_sha1();
 		else
 			return false;
 
@@ -3481,7 +3621,7 @@ public:
 
 		const MyCertContext *our_cc = this;
 		X509 *x = our_cc->item.cert;
-		CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
+		X509_up_ref(x);
 		sk_X509_push(untrusted_list, x);
 
 		const MyCertContext *other_cc = static_cast<const MyCertContext *>(other);
@@ -3596,14 +3736,21 @@ public:
 				p.policies = get_cert_policies(ex);
 		}
 
-		if (x->signature)
+#ifdef OSSL_110
+		const
+#endif
+		ASN1_BIT_STRING *signature;
+
+		X509_get0_signature(&signature, NULL, x);
+		if(signature)
 		{
-			p.sig = QByteArray(x->signature->length, 0);
-			for (int i=0; i< x->signature->length; i++)
-				p.sig[i] = x->signature->data[i];
+			p.sig = QByteArray(signature->length, 0);
+			for (int i=0; i< signature->length; i++)
+				p.sig[i] = signature->data[i];
 		}
 
-		switch( OBJ_obj2nid(x->cert_info->signature->algorithm) )
+
+		switch( X509_get_signature_nid(x) )
 		{
 		case NID_sha1WithRSAEncryption:
 			p.sigalgo = QCA::EMSA3_SHA1;
@@ -3635,7 +3782,7 @@ public:
 			p.sigalgo = QCA::EMSA3_SHA512;
 			break;
 		default:
-			qDebug() << "Unknown signature value: " << OBJ_obj2nid(x->cert_info->signature->algorithm);
+			qDebug() << "Unknown signature value: " << X509_get_signature_nid(x);
 			p.sigalgo = QCA::SignatureUnknown;
 		}
 
@@ -3752,7 +3899,7 @@ public:
 		if(privateKey -> key()->type() == PKey::RSA)
 			md = EVP_sha1();
 		else if(privateKey -> key()->type() == PKey::DSA)
-			md = EVP_dss1();
+			md = EVP_sha1();
 		else
 			return 0;
 
@@ -3935,7 +4082,7 @@ public:
 		if(priv.key()->type() == PKey::RSA)
 			md = EVP_sha1();
 		else if(priv.key()->type() == PKey::DSA)
-			md = EVP_dss1();
+			md = EVP_sha1();
 		else
 			return false;
 
@@ -4096,14 +4243,17 @@ public:
 
 		sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
 
-		if (x->signature)
+		const ASN1_BIT_STRING *signature;
+
+		X509_REQ_get0_signature(x, &signature, NULL);
+		if(signature)
 		{
-			p.sig = QByteArray(x->signature->length, 0);
-			for (int i=0; i< x->signature->length; i++)
-				p.sig[i] = x->signature->data[i];
+			p.sig = QByteArray(signature->length, 0);
+			for (int i=0; i< signature->length; i++)
+				p.sig[i] = signature->data[i];
 		}
 
-		switch( OBJ_obj2nid(x->sig_alg->algorithm) )
+		switch( X509_REQ_get_signature_nid(x) )
 		{
 		case NID_sha1WithRSAEncryption:
 			p.sigalgo = QCA::EMSA3_SHA1;
@@ -4123,7 +4273,7 @@ public:
 			p.sigalgo = QCA::EMSA1_SHA1;
 			break;
 		default:
-			qDebug() << "Unknown signature value: " << OBJ_obj2nid(x->sig_alg->algorithm);
+			qDebug() << "Unknown signature value: " << X509_REQ_get_signature_nid(x);
 			p.sigalgo = QCA::SignatureUnknown;
 		}
 
@@ -4187,7 +4337,7 @@ public:
 
 	void fromX509(X509_CRL *x)
 	{
-		CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509_CRL);
+		X509_CRL_up_ref(x);
 		item.crl = x;
 		make_props();
 	}
@@ -4232,15 +4382,15 @@ public:
 
 		issuer = get_cert_name(X509_CRL_get_issuer(x));
 
-		p.thisUpdate = ASN1_UTCTIME_QDateTime(X509_CRL_get_lastUpdate(x), NULL);
-		p.nextUpdate = ASN1_UTCTIME_QDateTime(X509_CRL_get_nextUpdate(x), NULL);
+		p.thisUpdate = ASN1_UTCTIME_QDateTime(X509_CRL_get0_lastUpdate(x), NULL);
+		p.nextUpdate = ASN1_UTCTIME_QDateTime(X509_CRL_get0_nextUpdate(x), NULL);
 
 		STACK_OF(X509_REVOKED)* revokeStack  = X509_CRL_get_REVOKED(x);
 
 		for (int i = 0; i < sk_X509_REVOKED_num(revokeStack); ++i) {
 			X509_REVOKED *rev = sk_X509_REVOKED_value(revokeStack, i);
-			BigInteger serial = bn2bi(ASN1_INTEGER_to_BN(rev->serialNumber, NULL));
-			QDateTime time = ASN1_UTCTIME_QDateTime( rev->revocationDate, NULL);
+			BigInteger serial = bn2bi(ASN1_INTEGER_to_BN(X509_REVOKED_get0_serialNumber(rev), NULL));
+			QDateTime time = ASN1_UTCTIME_QDateTime( X509_REVOKED_get0_revocationDate(rev), NULL);
 			QCA::CRLEntry::Reason reason = QCA::CRLEntry::Unspecified;
 			int pos = X509_REVOKED_get_ext_by_NID(rev, NID_crl_reason, -1);
 			if (pos != -1) {
@@ -4289,13 +4439,18 @@ public:
 			p.revoked.append(thisEntry);
 		}
 
-		if (x->signature)
+		const ASN1_BIT_STRING *signature;
+
+		X509_CRL_get0_signature(x, &signature, NULL);
+		if(signature)
 		{
-			p.sig = QByteArray(x->signature->length, 0);
-			for (int i=0; i< x->signature->length; i++)
-				p.sig[i] = x->signature->data[i];
+			p.sig = QByteArray(signature->length, 0);
+			for (int i=0; i< signature->length; i++)
+				p.sig[i] = signature->data[i];
 		}
-		switch( OBJ_obj2nid(x->sig_alg->algorithm) )
+
+
+		switch( X509_CRL_get_signature_nid(x) )
 		{
 		case NID_sha1WithRSAEncryption:
 			p.sigalgo = QCA::EMSA3_SHA1;
@@ -4327,7 +4482,7 @@ public:
 			p.sigalgo = QCA::EMSA3_SHA512;
 			break;
 		default:
-			qWarning() << "Unknown signature value: " << OBJ_obj2nid(x->sig_alg->algorithm);
+			qWarning() << "Unknown signature value: " << X509_CRL_get_signature_nid(x);
 			p.sigalgo = QCA::SignatureUnknown;
 		}
 
@@ -4488,21 +4643,21 @@ Validity MyCertContext::validate(const QList<CertContext*> &trusted, const QList
 	{
 		const MyCertContext *cc = static_cast<const MyCertContext *>(trusted[n]);
 		X509 *x = cc->item.cert;
-		CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
+		X509_up_ref(x);
 		sk_X509_push(trusted_list, x);
 	}
 	for(n = 0; n < untrusted.count(); ++n)
 	{
 		const MyCertContext *cc = static_cast<const MyCertContext *>(untrusted[n]);
 		X509 *x = cc->item.cert;
-		CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
+		X509_up_ref(x);
 		sk_X509_push(untrusted_list, x);
 	}
 	for(n = 0; n < crls.count(); ++n)
 	{
 		const MyCRLContext *cc = static_cast<const MyCRLContext *>(crls[n]);
 		X509_CRL *x = cc->item.crl;
-		CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509_CRL);
+		X509_CRL_up_ref(x);
 		crl_list.append(x);
 	}
 
@@ -4527,7 +4682,7 @@ Validity MyCertContext::validate(const QList<CertContext*> &trusted, const QList
 	int ret = X509_verify_cert(ctx);
 	int err = -1;
 	if(!ret)
-		err = ctx->error;
+		err = X509_STORE_CTX_get_error(ctx);
 
 	// cleanup
 	X509_STORE_CTX_free(ctx);
@@ -4561,21 +4716,21 @@ Validity MyCertContext::validate_chain(const QList<CertContext*> &chain, const Q
 	{
 		const MyCertContext *cc = static_cast<const MyCertContext *>(trusted[n]);
 		X509 *x = cc->item.cert;
-		CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
+		X509_up_ref(x);
 		sk_X509_push(trusted_list, x);
 	}
 	for(n = 1; n < chain.count(); ++n)
 	{
 		const MyCertContext *cc = static_cast<const MyCertContext *>(chain[n]);
 		X509 *x = cc->item.cert;
-		CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
+		X509_up_ref(x);
 		sk_X509_push(untrusted_list, x);
 	}
 	for(n = 0; n < crls.count(); ++n)
 	{
 		const MyCRLContext *cc = static_cast<const MyCRLContext *>(crls[n]);
 		X509_CRL *x = cc->item.crl;
-		CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509_CRL);
+		X509_CRL_up_ref(x);
 		crl_list.append(x);
 	}
 
@@ -4600,7 +4755,7 @@ Validity MyCertContext::validate_chain(const QList<CertContext*> &chain, const Q
 	int ret = X509_verify_cert(ctx);
 	int err = -1;
 	if(!ret)
-		err = ctx->error;
+		err = X509_STORE_CTX_get_error(ctx);
 
 	// grab the chain, which may not be fully populated
 	STACK_OF(X509) *xchain = X509_STORE_CTX_get_chain(ctx);
@@ -4664,7 +4819,7 @@ public:
 			for(int n = 1; n < chain.count(); ++n)
 			{
 				X509 *x = static_cast<const MyCertContext *>(chain[n])->item.cert;
-				CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
+				X509_up_ref(x);
 				sk_X509_push(ca, x);
 			}
 		}
@@ -5399,7 +5554,7 @@ public:
 		OpenSSL_add_ssl_algorithms();
 		SSL_CTX *ctx = 0;
 		switch (version) {
-#ifndef OPENSSL_NO_SSL2
+#if !defined(OPENSSL_NO_SSL2) && !defined(OSSL_110)
 		case TLS::SSL_v2:
 			ctx = SSL_CTX_new(SSLv2_client_method());
 			break;
@@ -5430,8 +5585,8 @@ public:
 		STACK_OF(SSL_CIPHER) *sk = SSL_get_ciphers(ssl);
 		QStringList cipherList;
 		for(int i = 0; i < sk_SSL_CIPHER_num(sk); ++i) {
-			SSL_CIPHER *thisCipher = sk_SSL_CIPHER_value(sk, i);
-			cipherList += cipherIDtoString(version, thisCipher->id);
+			const SSL_CIPHER *thisCipher = sk_SSL_CIPHER_value(sk, i);
+			cipherList += cipherIDtoString(version, SSL_CIPHER_get_id(thisCipher));
 		}
 
 		SSL_free(ssl);
@@ -5808,13 +5963,15 @@ public:
 	{
 		SessionInfo sessInfo;
 
-		sessInfo.isCompressed = (0 != SSL_SESSION_get_compress_id(ssl->session));
+		SSL_SESSION *session = SSL_get0_session(ssl);
+		sessInfo.isCompressed = (0 != SSL_SESSION_get_compress_id(session));
+		int ssl_version = SSL_version(ssl);
 
-		if (ssl->version == TLS1_VERSION)
+		if (ssl_version == TLS1_VERSION)
 			sessInfo.version = TLS::TLS_v1;
-		else if (ssl->version == SSL3_VERSION)
+		else if (ssl_version == SSL3_VERSION)
 			sessInfo.version = TLS::SSL_v3;
-		else if (ssl->version == SSL2_VERSION)
+		else if (ssl_version == SSL2_VERSION)
 			sessInfo.version = TLS::SSL_v2;
 		else {
 			qDebug("unexpected version response");
@@ -5822,7 +5979,7 @@ public:
 		}
 
 		sessInfo.cipherSuite = cipherIDtoString( sessInfo.version,
-												 SSL_get_current_cipher(ssl)->id);
+		                                         SSL_CIPHER_get_id(SSL_get_current_cipher(ssl)));
 
 		sessInfo.cipherMaxBits = SSL_get_cipher_bits(ssl, &(sessInfo.cipherBits));
 
@@ -6394,7 +6551,7 @@ public:
 			for(int n = 0; n < nonroots.count(); ++n)
 			{
 				X509 *x = static_cast<MyCertContext *>(nonroots[n].context())->item.cert;
-				CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
+				X509_up_ref(x);
 				sk_X509_push(other_certs, x);
 			}
 
@@ -6436,7 +6593,7 @@ public:
 
 			other_certs = sk_X509_new_null();
 			X509 *x = static_cast<MyCertContext *>(target.context())->item.cert;
-			CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
+			X509_up_ref(x);
 			sk_X509_push(other_certs, x);
 
 			bi = BIO_new(BIO_s_mem());
@@ -6499,7 +6656,7 @@ public:
 			for(int n = 0; n < untrusted_list.count(); ++n)
 			{
 				X509 *x = static_cast<MyCertContext *>(untrusted_list[n].context())->item.cert;
-				CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
+				X509_up_ref(x);
 				sk_X509_push(other_certs, x);
 			}
 
@@ -6750,14 +6907,27 @@ public:
 	opensslCipherContext(const EVP_CIPHER *algorithm, const int pad, Provider *p, const QString &type) : CipherContext(p, type)
 	{
 		m_cryptoAlgorithm = algorithm;
-		EVP_CIPHER_CTX_init(&m_context);
+		m_context = EVP_CIPHER_CTX_new();
+		EVP_CIPHER_CTX_init(m_context);
 		m_pad = pad;
 		m_type = type;
 	}
 
+	opensslCipherContext(const opensslCipherContext &other)
+	    : CipherContext(other)
+	{
+		m_cryptoAlgorithm = other.m_cryptoAlgorithm;
+		m_context = EVP_CIPHER_CTX_new();
+		EVP_CIPHER_CTX_copy(m_context, other.m_context);
+		m_direction = other.m_direction;
+		m_pad = other.m_pad;
+		m_type = other.m_type;
+	}
+
 	~opensslCipherContext()
 	{
-		EVP_CIPHER_CTX_cleanup(&m_context);
+		EVP_CIPHER_CTX_cleanup(m_context);
+		EVP_CIPHER_CTX_free(m_context);
 	}
 
 	void setup(Direction dir,
@@ -6772,20 +6943,20 @@ public:
 			m_cryptoAlgorithm = EVP_des_ede();
 		}
 		if (Encode == m_direction) {
-			EVP_EncryptInit_ex(&m_context, m_cryptoAlgorithm, 0, 0, 0);
-			EVP_CIPHER_CTX_set_key_length(&m_context, key.size());
+			EVP_EncryptInit_ex(m_context, m_cryptoAlgorithm, 0, 0, 0);
+			EVP_CIPHER_CTX_set_key_length(m_context, key.size());
-			EVP_EncryptInit_ex(&m_context, 0, 0,
+			EVP_EncryptInit_ex(m_context, 0, 0,
 							   (const unsigned char*)(key.data()),
 							   (const unsigned char*)(iv.data()));
 		} else {
-			EVP_DecryptInit_ex(&m_context, m_cryptoAlgorithm, 0, 0, 0);
-			EVP_CIPHER_CTX_set_key_length(&m_context, key.size());
+			EVP_DecryptInit_ex(m_context, m_cryptoAlgorithm, 0, 0, 0);
+			EVP_CIPHER_CTX_set_key_length(m_context, key.size());
-			EVP_DecryptInit_ex(&m_context, 0, 0,
+			EVP_DecryptInit_ex(m_context, 0, 0,
 							   (const unsigned char*)(key.data()),
 							   (const unsigned char*)(iv.data()));
 		}
 
-		EVP_CIPHER_CTX_set_padding(&m_context, m_pad);
+		EVP_CIPHER_CTX_set_padding(m_context, m_pad);
 	}
 
 	Provider::Context *clone() const
@@ -6803,7 +6974,7 @@ public:
 
 	int blockSize() const
 	{
-		return EVP_CIPHER_CTX_block_size(&m_context);
+		return EVP_CIPHER_CTX_block_size(m_context);
 	}
 
 	bool update(const SecureArray &in, SecureArray *out)
@@ -6821,7 +6992,7 @@ public:
 		out->resize(in.size()+blockSize());
 		int resultLength;
 		if (Encode == m_direction) {
-			if (0 == EVP_EncryptUpdate(&m_context,
+			if (0 == EVP_EncryptUpdate(m_context,
 									   (unsigned char*)out->data(),
 									   &resultLength,
 									   (unsigned char*)in.data(),
@@ -6829,7 +7000,7 @@ public:
 				return false;
 			}
 		} else {
-			if (0 == EVP_DecryptUpdate(&m_context,
+			if (0 == EVP_DecryptUpdate(m_context,
 									   (unsigned char*)out->data(),
 									   &resultLength,
 									   (unsigned char*)in.data(),
@@ -6846,13 +7017,13 @@ public:
 		out->resize(blockSize());
 		int resultLength;
 		if (Encode == m_direction) {
-			if (0 == EVP_EncryptFinal_ex(&m_context,
+			if (0 == EVP_EncryptFinal_ex(m_context,
 										 (unsigned char*)out->data(),
 										 &resultLength)) {
 				return false;
 			}
 		} else {
-			if (0 == EVP_DecryptFinal_ex(&m_context,
+			if (0 == EVP_DecryptFinal_ex(m_context,
 										 (unsigned char*)out->data(),
 										 &resultLength)) {
 				return false;
@@ -6899,7 +7070,7 @@ public:
 
 
 protected:
-	EVP_CIPHER_CTX m_context;
+	EVP_CIPHER_CTX *m_context;
 	const EVP_CIPHER *m_cryptoAlgorithm;
 	Direction m_direction;
 	int m_pad;