openssh-selinux 7.5p1-2 update

3 files changed, 2249 insertions, 21 deletions

diff --git a/.SRCINFO b/.SRCINFO
index 9d432fe4bf12..ef208be2f580 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,6 +1,6 @@
 pkgbase = openssh-selinux
 	pkgdesc = Free version of the SSH connectivity tools with SELinux support
-	pkgver = 7.4p1
+	pkgver = 7.5p1
 	pkgrel = 2
 	url = https://www.openssh.org/portable.html
 	arch = i686
@@ -15,15 +15,16 @@ pkgbase = openssh-selinux
 	depends = libselinux
 	optdepends = xorg-xauth: X11 forwarding
 	optdepends = x11-ssh-askpass: input passphrase in X
-	provides = openssh=7.4p1-2
-	provides = selinux-openssh=7.4p1-2
+	provides = openssh=7.5p1-2
+	provides = selinux-openssh=7.5p1-2
 	conflicts = openssh
 	conflicts = selinux-openssh
 	backup = etc/ssh/ssh_config
 	backup = etc/ssh/sshd_config
 	backup = etc/pam.d/sshd
-	source = https://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable/openssh-7.4p1.tar.gz
-	source = https://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable/openssh-7.4p1.tar.gz.asc
+	source = https://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable/openssh-7.5p1.tar.gz
+	source = https://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable/openssh-7.5p1.tar.gz.asc
+	source = openssl-1.1.0.patch
 	source = sshdgenkeys.service
 	source = sshd@.service
 	source = sshd.service
@@ -31,14 +32,15 @@ pkgbase = openssh-selinux
 	source = sshd.conf
 	source = sshd.pam
 	validpgpkeys = 59C2118ED206D927E667EBE3D3E5F56B6D920D30
-	sha1sums = 2330bbf82ed08cf3ac70e0acf00186ef3eeb97e0
-	sha1sums = SKIP
-	sha1sums = caaa801da59a5d14c0c29c43e9de5fef281ea03e
-	sha1sums = 6a0ff3305692cf83aca96e10f3bb51e1c26fccda
-	sha1sums = ec49c6beba923e201505f5669cea48cad29014db
-	sha1sums = e12fa910b26a5634e5a6ac39ce1399a132cf6796
-	sha1sums = c9b2e4ce259cd62ddb00364d3ee6f00a8bf2d05f
-	sha1sums = d93dca5ebda4610ff7647187f8928a3de28703f3
+	sha256sums = 9846e3c5fab9f0547400b4d2c017992f914222b3fd1f8eee6c7dc6bc5e59f9f0
+	sha256sums = SKIP
+	sha256sums = b895b5f8e9f7d3a60286bf0a5b313d0b2ae2891ee1358e4862f1a0f1ad0ddc7d
+	sha256sums = 4031577db6416fcbaacf8a26a024ecd3939e5c10fe6a86ee3f0eea5093d533b7
+	sha256sums = 69cc2abaaae0aa8071b8eac338b2df725f60ce73381843179b74eaac78ba7f1d
+	sha256sums = c5ed9fa629f8f8dbf3bae4edbad4441c36df535088553fe82695c52d7bde30aa
+	sha256sums = de14363e9d4ed92848e524036d9e6b57b2d35cc77d377b7247c38111d2a3defd
+	sha256sums = 4effac1186cc62617f44385415103021f72f674f8b8e26447fc1139c670090f6
+	sha256sums = 64576021515c0a98b0aaf0a0ae02e0f5ebe8ee525b1e647ab68f369f81ecd846
 
 pkgname = openssh-selinux
 
diff --git a/PKGBUILD b/PKGBUILD
index 3f52a5871781..45fac1e39ded 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -7,7 +7,7 @@
 # SELinux Contributor: Nicky726 <Nicky726@gmail.com>
 
 pkgname=openssh-selinux
-pkgver=7.4p1
+pkgver=7.5p1
 pkgrel=2
 pkgdesc='Free version of the SSH connectivity tools with SELinux support'
 url='https://www.openssh.org/portable.html'
@@ -23,22 +23,31 @@ provides=("${pkgname/-selinux}=${pkgver}-${pkgrel}"
 groups=('selinux')
 validpgpkeys=('59C2118ED206D927E667EBE3D3E5F56B6D920D30')
 source=("https://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable/${pkgname/-selinux}-${pkgver}.tar.gz"{,.asc}
+        'openssl-1.1.0.patch'
         'sshdgenkeys.service'
         'sshd@.service'
         'sshd.service'
         'sshd.socket'
         'sshd.conf'
         'sshd.pam')
-sha1sums=('2330bbf82ed08cf3ac70e0acf00186ef3eeb97e0' 'SKIP'
-          'caaa801da59a5d14c0c29c43e9de5fef281ea03e'
-          '6a0ff3305692cf83aca96e10f3bb51e1c26fccda'
-          'ec49c6beba923e201505f5669cea48cad29014db'
-          'e12fa910b26a5634e5a6ac39ce1399a132cf6796'
-          'c9b2e4ce259cd62ddb00364d3ee6f00a8bf2d05f'
-          'd93dca5ebda4610ff7647187f8928a3de28703f3')
+sha256sums=('9846e3c5fab9f0547400b4d2c017992f914222b3fd1f8eee6c7dc6bc5e59f9f0'
+            'SKIP'
+            'b895b5f8e9f7d3a60286bf0a5b313d0b2ae2891ee1358e4862f1a0f1ad0ddc7d'
+            '4031577db6416fcbaacf8a26a024ecd3939e5c10fe6a86ee3f0eea5093d533b7'
+            '69cc2abaaae0aa8071b8eac338b2df725f60ce73381843179b74eaac78ba7f1d'
+            'c5ed9fa629f8f8dbf3bae4edbad4441c36df535088553fe82695c52d7bde30aa'
+            'de14363e9d4ed92848e524036d9e6b57b2d35cc77d377b7247c38111d2a3defd'
+            '4effac1186cc62617f44385415103021f72f674f8b8e26447fc1139c670090f6'
+            '64576021515c0a98b0aaf0a0ae02e0f5ebe8ee525b1e647ab68f369f81ecd846')
 
 backup=('etc/ssh/ssh_config' 'etc/ssh/sshd_config' 'etc/pam.d/sshd')
 
+prepare() {
+	cd "${srcdir}/${pkgname/-selinux}-${pkgver}"
+	# OpenSSL 1.1.0 patch from http://vega.pgw.jp/~kabe/vsd/patch/openssh-7.4p1-openssl-1.1.0c.patch.html
+	patch -Np1 -i ../openssl-1.1.0.patch
+}
+
 build() {
 	cd "${srcdir}/${pkgname/-selinux}-${pkgver}"
 
diff --git a/openssl-1.1.0.patch b/openssl-1.1.0.patch
new file mode 100644
index 000000000000..02d1796c631b
--- /dev/null
+++ b/openssl-1.1.0.patch
@@ -0,0 +1,2217 @@
+diff -Naur old/auth-pam.c new/auth-pam.c
+--- old/auth-pam.c	2017-03-19 16:39:27.000000000 -1000
++++ new/auth-pam.c	2017-03-20 11:01:28.792662449 -1000
+@@ -129,6 +129,10 @@
+ typedef pthread_t sp_pthread_t;
+ #else
+ typedef pid_t sp_pthread_t;
++# define pthread_create(a, b, c, d)    _ssh_compat_pthread_create(a, b, c, d)
++# define pthread_exit(a)               _ssh_compat_pthread_exit(a)
++# define pthread_cancel(a)             _ssh_compat_pthread_cancel(a)
++# define pthread_join(a, b)            _ssh_compat_pthread_join(a, b)
+ #endif
+ 
+ struct pam_ctxt {
+diff -Naur old/cipher-3des1.c new/cipher-3des1.c
+--- old/cipher-3des1.c	2017-03-19 16:39:27.000000000 -1000
++++ new/cipher-3des1.c	2017-03-20 11:01:25.018828127 -1000
+@@ -44,7 +44,7 @@
+  */
+ struct ssh1_3des_ctx
+ {
+-	EVP_CIPHER_CTX	k1, k2, k3;
++	EVP_CIPHER_CTX	*k1, *k2, *k3;
+ };
+ 
+ const EVP_CIPHER * evp_ssh1_3des(void);
+@@ -65,7 +65,7 @@
+ 	if (key == NULL)
+ 		return 1;
+ 	if (enc == -1)
+-		enc = ctx->encrypt;
++		enc = EVP_CIPHER_CTX_encrypting(ctx);
+ 	k1 = k2 = k3 = (u_char *) key;
+ 	k2 += 8;
+ 	if (EVP_CIPHER_CTX_key_length(ctx) >= 16+8) {
+@@ -74,12 +74,17 @@
+ 		else
+ 			k1 += 16;
+ 	}
+-	EVP_CIPHER_CTX_init(&c->k1);
+-	EVP_CIPHER_CTX_init(&c->k2);
+-	EVP_CIPHER_CTX_init(&c->k3);
+-	if (EVP_CipherInit(&c->k1, EVP_des_cbc(), k1, NULL, enc) == 0 ||
+-	    EVP_CipherInit(&c->k2, EVP_des_cbc(), k2, NULL, !enc) == 0 ||
+-	    EVP_CipherInit(&c->k3, EVP_des_cbc(), k3, NULL, enc) == 0) {
++	c->k1 = c->k2 = c->k3 = NULL;
++	c->k1 = EVP_CIPHER_CTX_new();
++	c->k2 = EVP_CIPHER_CTX_new();
++	c->k3 = EVP_CIPHER_CTX_new();
++	if (c->k1 == NULL || c->k2 == NULL || c->k3 == NULL ||
++	    EVP_CipherInit(c->k1, EVP_des_cbc(), k1, NULL, enc) == 0 ||
++	    EVP_CipherInit(c->k2, EVP_des_cbc(), k2, NULL, !enc) == 0 ||
++	    EVP_CipherInit(c->k3, EVP_des_cbc(), k3, NULL, enc) == 0) {
++		EVP_CIPHER_CTX_free(c->k1);
++		EVP_CIPHER_CTX_free(c->k2);
++		EVP_CIPHER_CTX_free(c->k3);
+ 		explicit_bzero(c, sizeof(*c));
+ 		free(c);
+ 		EVP_CIPHER_CTX_set_app_data(ctx, NULL);
+@@ -95,9 +100,9 @@
+ 
+ 	if ((c = EVP_CIPHER_CTX_get_app_data(ctx)) == NULL)
+ 		return 0;
+-	if (EVP_Cipher(&c->k1, dest, (u_char *)src, len) == 0 ||
+-	    EVP_Cipher(&c->k2, dest, dest, len) == 0 ||
+-	    EVP_Cipher(&c->k3, dest, dest, len) == 0)
++	if (EVP_Cipher(c->k1, dest, (u_char *)src, len) == 0 ||
++	    EVP_Cipher(c->k2, dest, dest, len) == 0 ||
++	    EVP_Cipher(c->k3, dest, dest, len) == 0)
+ 		return 0;
+ 	return 1;
+ }
+@@ -108,9 +113,9 @@
+ 	struct ssh1_3des_ctx *c;
+ 
+ 	if ((c = EVP_CIPHER_CTX_get_app_data(ctx)) != NULL) {
+-		EVP_CIPHER_CTX_cleanup(&c->k1);
+-		EVP_CIPHER_CTX_cleanup(&c->k2);
+-		EVP_CIPHER_CTX_cleanup(&c->k3);
++		EVP_CIPHER_CTX_free(c->k1);
++		EVP_CIPHER_CTX_free(c->k2);
++		EVP_CIPHER_CTX_free(c->k3);
+ 		explicit_bzero(c, sizeof(*c));
+ 		free(c);
+ 		EVP_CIPHER_CTX_set_app_data(ctx, NULL);
+@@ -128,13 +133,13 @@
+ 	if ((c = EVP_CIPHER_CTX_get_app_data(evp)) == NULL)
+ 		return SSH_ERR_INTERNAL_ERROR;
+ 	if (doset) {
+-		memcpy(c->k1.iv, iv, 8);
+-		memcpy(c->k2.iv, iv + 8, 8);
+-		memcpy(c->k3.iv, iv + 16, 8);
++		memcpy(EVP_CIPHER_CTX_iv_noconst(c->k1), iv, 8);
++		memcpy(EVP_CIPHER_CTX_iv_noconst(c->k2), iv + 8, 8);
++		memcpy(EVP_CIPHER_CTX_iv_noconst(c->k3), iv + 16, 8);
+ 	} else {
+-		memcpy(iv, c->k1.iv, 8);
+-		memcpy(iv + 8, c->k2.iv, 8);
+-		memcpy(iv + 16, c->k3.iv, 8);
++		memcpy(iv, EVP_CIPHER_CTX_iv(c->k1), 8);
++		memcpy(iv + 8, EVP_CIPHER_CTX_iv(c->k2), 8);
++		memcpy(iv + 16, EVP_CIPHER_CTX_iv(c->k3), 8);
+ 	}
+ 	return 0;
+ }
+@@ -142,6 +147,7 @@
+ const EVP_CIPHER *
+ evp_ssh1_3des(void)
+ {
++#if OPENSSL_VERSION_NUMBER < 0x10100000UL /*{*/
+ 	static EVP_CIPHER ssh1_3des;
+ 
+ 	memset(&ssh1_3des, 0, sizeof(ssh1_3des));
+@@ -154,5 +160,15 @@
+ 	ssh1_3des.do_cipher = ssh1_3des_cbc;
+ 	ssh1_3des.flags = EVP_CIPH_CBC_MODE | EVP_CIPH_VARIABLE_LENGTH;
+ 	return &ssh1_3des;
++#else /*}{*/
++	static EVP_CIPHER *ssh1_3des_p;
++	ssh1_3des_p = EVP_CIPHER_meth_new(NID_undef, /*block_size*/8, /*key_len*/16); /*XXX check return*/
++	EVP_CIPHER_meth_set_iv_length(ssh1_3des_p, 0);
++	EVP_CIPHER_meth_set_init(ssh1_3des_p, ssh1_3des_init);
++	EVP_CIPHER_meth_set_cleanup(ssh1_3des_p, ssh1_3des_cleanup);
++	EVP_CIPHER_meth_set_do_cipher(ssh1_3des_p, ssh1_3des_cbc);
++	EVP_CIPHER_meth_set_flags(ssh1_3des_p, EVP_CIPH_CBC_MODE | EVP_CIPH_VARIABLE_LENGTH);
++	return ssh1_3des_p;
++#endif /*}*/
+ }
+ #endif /* WITH_SSH1 */
+diff -Naur old/cipher-bf1.c new/cipher-bf1.c
+--- old/cipher-bf1.c	2017-03-19 16:39:27.000000000 -1000
++++ new/cipher-bf1.c	2017-03-20 11:01:25.018828127 -1000
+@@ -29,6 +29,7 @@
+ #include <string.h>
+ 
+ #include <openssl/evp.h>
++#include <openssl/blowfish.h> /*BF_KEY*/
+ 
+ #include "openbsd-compat/openssl-compat.h"
+ 
+@@ -89,17 +90,27 @@
+ const EVP_CIPHER *
+ evp_ssh1_bf(void)
+ {
+-	static EVP_CIPHER ssh1_bf;
++	static EVP_CIPHER *ssh1_bfp;
+ 
+-	memcpy(&ssh1_bf, EVP_bf_cbc(), sizeof(EVP_CIPHER));
+-	orig_bf = ssh1_bf.do_cipher;
+-	ssh1_bf.nid = NID_undef;
++	ssh1_bfp = EVP_CIPHER_meth_new(NID_undef, /*block_size*/8, /*key_len*/32);
++
++	orig_bf = EVP_CIPHER_meth_get_do_cipher(EVP_bf_cbc());
+ #ifdef SSH_OLD_EVP
+ 	ssh1_bf.init = bf_ssh1_init;
+ #endif
+-	ssh1_bf.do_cipher = bf_ssh1_cipher;
+-	ssh1_bf.key_len = 32;
+-	return (&ssh1_bf);
++	EVP_CIPHER_meth_set_do_cipher(ssh1_bfp, bf_ssh1_cipher);
++
++	/* set remaining members... */
++	EVP_CIPHER_meth_set_iv_length(ssh1_bfp, 8);
++	EVP_CIPHER_meth_set_flags(ssh1_bfp, EVP_CIPH_VARIABLE_LENGTH | EVP_CIPH_CBC_MODE);
++	EVP_CIPHER_meth_set_init(ssh1_bfp, EVP_CIPHER_meth_get_init(EVP_bf_cbc()));
++	EVP_CIPHER_meth_set_cleanup(ssh1_bfp, EVP_CIPHER_meth_get_cleanup(EVP_bf_cbc()));
++	EVP_CIPHER_meth_set_impl_ctx_size(ssh1_bfp, /*sizeof(EVP_BF_KEY) == */sizeof(BF_KEY));
++	EVP_CIPHER_meth_set_set_asn1_params(ssh1_bfp, EVP_CIPHER_set_asn1_iv);
++	EVP_CIPHER_meth_set_get_asn1_params(ssh1_bfp, EVP_CIPHER_get_asn1_iv);
++	EVP_CIPHER_meth_set_ctrl(ssh1_bfp, NULL);
++	/*app_data = NULL*/
++	return (ssh1_bfp);
+ }
+ #endif /* defined(WITH_OPENSSL) && !defined(OPENSSL_NO_BF) */
+ 
+diff -Naur old/cipher.c new/cipher.c
+--- old/cipher.c	2017-03-19 16:39:27.000000000 -1000
++++ new/cipher.c	2017-03-20 11:01:25.018828127 -1000
+@@ -390,7 +390,10 @@
+ 			goto out;
+ 		}
+ 	}
+-	if (EVP_CipherInit(cc->evp, NULL, (u_char *)key, NULL, -1) == 0) {
++	/* in OpenSSL 1.1.0, EVP_CipherInit clears all previous setups;
++	   use EVP_CipherInit_ex for augmenting */
++	if (EVP_CipherInit_ex(cc->evp, NULL, NULL, (u_char *)key, NULL, -1) == 0)
++	{
+ 		ret = SSH_ERR_LIBCRYPTO_ERROR;
+ 		goto out;
+ 	}
+@@ -625,7 +628,7 @@
+ 			   len, iv))
+ 			       return SSH_ERR_LIBCRYPTO_ERROR;
+ 		} else
+-			memcpy(iv, cc->evp->iv, len);
++			memcpy(iv, EVP_CIPHER_CTX_iv(cc->evp), len);
+ 		break;
+ #endif
+ #ifdef WITH_SSH1
+@@ -671,7 +674,7 @@
+ 			    EVP_CTRL_GCM_SET_IV_FIXED, -1, (void *)iv))
+ 				return SSH_ERR_LIBCRYPTO_ERROR;
+ 		} else
+-			memcpy(cc->evp->iv, iv, evplen);
++			memcpy(EVP_CIPHER_CTX_iv_noconst(cc->evp), iv, evplen); /*XXX using EVP_CIPHER_CTX_iv_noconst as LHS*/
+ 		break;
+ #endif
+ #ifdef WITH_SSH1
+@@ -685,8 +688,13 @@
+ }
+ 
+ #ifdef WITH_OPENSSL
+-#define EVP_X_STATE(evp)	(evp)->cipher_data
+-#define EVP_X_STATE_LEN(evp)	(evp)->cipher->ctx_size
++# if OPENSSL_VERSION_NUMBER >= 0x10100000UL
++#define EVP_X_STATE(evp)	EVP_CIPHER_CTX_get_cipher_data(evp)
++#define EVP_X_STATE_LEN(evp)	EVP_CIPHER_impl_ctx_size(EVP_CIPHER_CTX_cipher(evp))
++# else
++#define EVP_X_STATE(evp)	(evp).cipher_data
++#define EVP_X_STATE_LEN(evp)	(evp).cipher->ctx_size
++# endif
+ #endif
+ 
+ int
+diff -Naur old/cipher.h new/cipher.h
+--- old/cipher.h	2017-03-19 16:39:27.000000000 -1000
++++ new/cipher.h	2017-03-20 11:01:25.018828127 -1000
+@@ -63,7 +63,18 @@
+ #define CIPHER_DECRYPT		0
+ 
+ struct sshcipher;
++#if 0
++struct sshcipher_ctx {
++	int	plaintext;
++	int	encrypt;
++	EVP_CIPHER_CTX *evp;
++	struct chachapoly_ctx cp_ctx; /* XXX union with evp? */
++	struct aesctr_ctx ac_ctx; /* XXX union with evp? */
++	const struct sshcipher *cipher;
++};
++#else
+ struct sshcipher_ctx;
++#endif
+ 
+ u_int	 cipher_mask_ssh1(int);
+ const struct sshcipher *cipher_by_name(const char *);
+diff -Naur old/dh.c new/dh.c
+--- old/dh.c	2017-03-19 16:39:27.000000000 -1000
++++ new/dh.c	2017-03-20 11:01:25.022161903 -1000
+@@ -212,14 +212,15 @@
+ /* diffie-hellman-groupN-sha1 */
+ 
+ int
+-dh_pub_is_valid(DH *dh, BIGNUM *dh_pub)
++dh_pub_is_valid(const DH *dh, const BIGNUM *dh_pub)
+ {
+ 	int i;
+ 	int n = BN_num_bits(dh_pub);
+ 	int bits_set = 0;
+ 	BIGNUM *tmp;
++	const BIGNUM *p;
+ 
+-	if (dh_pub->neg) {
++	if (BN_is_negative(dh_pub)) {
+ 		logit("invalid public DH value: negative");
+ 		return 0;
+ 	}
+@@ -232,7 +233,8 @@
+ 		error("%s: BN_new failed", __func__);
+ 		return 0;
+ 	}
+-	if (!BN_sub(tmp, dh->p, BN_value_one()) ||
++	DH_get0_pqg(dh, &p, NULL, NULL);
++	if (!BN_sub(tmp, p, BN_value_one()) ||
+ 	    BN_cmp(dh_pub, tmp) != -1) {		/* pub_exp > p-2 */
+ 		BN_clear_free(tmp);
+ 		logit("invalid public DH value: >= p-1");
+@@ -243,14 +245,14 @@
+ 	for (i = 0; i <= n; i++)
+ 		if (BN_is_bit_set(dh_pub, i))
+ 			bits_set++;
+-	debug2("bits set: %d/%d", bits_set, BN_num_bits(dh->p));
++	debug2("bits set: %d/%d", bits_set, BN_num_bits(p));
+ 
+ 	/*
+ 	 * if g==2 and bits_set==1 then computing log_g(dh_pub) is trivial
+ 	 */
+ 	if (bits_set < 4) {
+ 		logit("invalid public DH value (%d/%d)",
+-		   bits_set, BN_num_bits(dh->p));
++		   bits_set, BN_num_bits(p));
+ 		return 0;
+ 	}
+ 	return 1;
+@@ -260,9 +262,13 @@
+ dh_gen_key(DH *dh, int need)
+ {
+ 	int pbits;
++	const BIGNUM *p, *pub_key;
++	BIGNUM *priv_key;
+ 
+-	if (need < 0 || dh->p == NULL ||
+-	    (pbits = BN_num_bits(dh->p)) <= 0 ||
++	DH_get0_pqg(dh, &p, NULL, NULL);
++
++	if (need < 0 || p == NULL ||
++	    (pbits = BN_num_bits(p)) <= 0 ||
+ 	    need > INT_MAX / 2 || 2 * need > pbits)
+ 		return SSH_ERR_INVALID_ARGUMENT;
+ 	if (need < 256)
+@@ -271,10 +277,13 @@
+ 	 * Pollard Rho, Big step/Little Step attacks are O(sqrt(n)),
+ 	 * so double requested need here.
+ 	 */
+-	dh->length = MINIMUM(need * 2, pbits - 1);
+-	if (DH_generate_key(dh) == 0 ||
+-	    !dh_pub_is_valid(dh, dh->pub_key)) {
+-		BN_clear_free(dh->priv_key);
++	DH_set_length(dh, MIN(need * 2, pbits - 1));
++	if (DH_generate_key(dh) == 0) {
++		return SSH_ERR_LIBCRYPTO_ERROR;
++	}
++	DH_get0_key(dh, &pub_key, &priv_key);
++	if (!dh_pub_is_valid(dh, pub_key)) {
++		BN_clear(priv_key);
+ 		return SSH_ERR_LIBCRYPTO_ERROR;
+ 	}
+ 	return 0;
+@@ -283,16 +292,27 @@
+ DH *
+ dh_new_group_asc(const char *gen, const char *modulus)
+ {
+-	DH *dh;
++	DH *dh = NULL;
++	BIGNUM *p=NULL, *g=NULL;
+ 
+-	if ((dh = DH_new()) == NULL)
+-		return NULL;
+-	if (BN_hex2bn(&dh->p, modulus) == 0 ||
+-	    BN_hex2bn(&dh->g, gen) == 0) {
+-		DH_free(dh);
+-		return NULL;
++	if ((dh = DH_new()) == NULL ||
++	    (p = BN_new()) == NULL ||
++	    (g = BN_new()) == NULL)
++		goto null;
++	if (BN_hex2bn(&p, modulus) == 0 ||
++	    BN_hex2bn(&g, gen) == 0) {
++		goto null;
+ 	}
++	if (DH_set0_pqg(dh, p, NULL, g) == 0) {
++		goto null;
++	}
++	p = g = NULL;
+ 	return (dh);
++null:
++	BN_free(p);
++	BN_free(g);
++	DH_free(dh);
++	return NULL;
+ }
+ 
+ /*
+@@ -307,8 +327,8 @@
+ 
+ 	if ((dh = DH_new()) == NULL)
+ 		return NULL;
+-	dh->p = modulus;
+-	dh->g = gen;
++	if (DH_set0_pqg(dh, modulus, NULL, gen) == 0)
++		return NULL;
+ 
+ 	return (dh);
+ }
+diff -Naur old/dh.h new/dh.h
+--- old/dh.h	2017-03-19 16:39:27.000000000 -1000
++++ new/dh.h	2017-03-20 11:01:25.022161903 -1000
+@@ -42,7 +42,7 @@
+ DH	*dh_new_group_fallback(int);
+ 
+ int	 dh_gen_key(DH *, int);
+-int	 dh_pub_is_valid(DH *, BIGNUM *);
++int	 dh_pub_is_valid(const DH *, const BIGNUM *);
+ 
+ u_int	 dh_estimate(int);
+ 
+diff -Naur old/digest-openssl.c new/digest-openssl.c
+--- old/digest-openssl.c	2017-03-19 16:39:27.000000000 -1000
++++ new/digest-openssl.c	2017-03-20 11:01:25.022161903 -1000
+@@ -43,7 +43,7 @@
+ 
+ struct ssh_digest_ctx {
+ 	int alg;
+-	EVP_MD_CTX mdctx;
++	EVP_MD_CTX *mdctx;
+ };
+ 
+ struct ssh_digest {
+@@ -107,20 +107,21 @@
+ size_t
+ ssh_digest_blocksize(struct ssh_digest_ctx *ctx)
+ {
+-	return EVP_MD_CTX_block_size(&ctx->mdctx);
++	return EVP_MD_CTX_block_size(ctx->mdctx);
+ }
+ 
+ struct ssh_digest_ctx *
+ ssh_digest_start(int alg)
+ {
+ 	const struct ssh_digest *digest = ssh_digest_by_alg(alg);
+-	struct ssh_digest_ctx *ret;
++	struct ssh_digest_ctx *ret = NULL;
+ 
+ 	if (digest == NULL || ((ret = calloc(1, sizeof(*ret))) == NULL))
+ 		return NULL;
+ 	ret->alg = alg;
+-	EVP_MD_CTX_init(&ret->mdctx);
+-	if (EVP_DigestInit_ex(&ret->mdctx, digest->mdfunc(), NULL) != 1) {
++	if ((ret->mdctx = EVP_MD_CTX_new()) == NULL ||
++	    EVP_DigestInit_ex(ret->mdctx, digest->mdfunc(), NULL) != 1) {
++		EVP_MD_CTX_free(ret->mdctx);
+ 		free(ret);
+ 		return NULL;
+ 	}
+@@ -133,7 +134,7 @@
+ 	if (from->alg != to->alg)
+ 		return SSH_ERR_INVALID_ARGUMENT;
+ 	/* we have bcopy-style order while openssl has memcpy-style */
+-	if (!EVP_MD_CTX_copy_ex(&to->mdctx, &from->mdctx))
++	if (!EVP_MD_CTX_copy_ex(to->mdctx, from->mdctx))
+ 		return SSH_ERR_LIBCRYPTO_ERROR;
+ 	return 0;
+ }
+@@ -141,7 +142,7 @@
+ int
+ ssh_digest_update(struct ssh_digest_ctx *ctx, const void *m, size_t mlen)
+ {
+-	if (EVP_DigestUpdate(&ctx->mdctx, m, mlen) != 1)
++	if (EVP_DigestUpdate(ctx->mdctx, m, mlen) != 1)
+ 		return SSH_ERR_LIBCRYPTO_ERROR;
+ 	return 0;
+ }
+@@ -162,7 +163,7 @@
+ 		return SSH_ERR_INVALID_ARGUMENT;
+ 	if (dlen < digest->digest_len) /* No truncation allowed */
+ 		return SSH_ERR_INVALID_ARGUMENT;
+-	if (EVP_DigestFinal_ex(&ctx->mdctx, d, &l) != 1)
++	if (EVP_DigestFinal_ex(ctx->mdctx, d, &l) != 1)
+ 		return SSH_ERR_LIBCRYPTO_ERROR;
+ 	if (l != digest->digest_len) /* sanity */
+ 		return SSH_ERR_INTERNAL_ERROR;
+@@ -173,7 +174,7 @@
+ ssh_digest_free(struct ssh_digest_ctx *ctx)
+ {
+ 	if (ctx != NULL) {
+-		EVP_MD_CTX_cleanup(&ctx->mdctx);
++		EVP_MD_CTX_free(ctx->mdctx);
+ 		explicit_bzero(ctx, sizeof(*ctx));
+ 		free(ctx);
+ 	}
+diff -Naur old/kexdhc.c new/kexdhc.c
+--- old/kexdhc.c	2017-03-19 16:39:27.000000000 -1000
++++ new/kexdhc.c	2017-03-20 11:01:25.022161903 -1000
+@@ -81,11 +81,16 @@
+ 		goto out;
+ 	}
+ 	debug("sending SSH2_MSG_KEXDH_INIT");
+-	if ((r = dh_gen_key(kex->dh, kex->we_need * 8)) != 0 ||
+-	    (r = sshpkt_start(ssh, SSH2_MSG_KEXDH_INIT)) != 0 ||
+-	    (r = sshpkt_put_bignum2(ssh, kex->dh->pub_key)) != 0 ||
++	{
++	const BIGNUM *pub_key;
++	if ((r = dh_gen_key(kex->dh, kex->we_need * 8)) != 0)
++		goto out;
++	DH_get0_key(kex->dh, &pub_key, NULL);
++	if ((r = sshpkt_start(ssh, SSH2_MSG_KEXDH_INIT)) != 0 ||
++	    (r = sshpkt_put_bignum2(ssh, pub_key)) != 0 ||
+ 	    (r = sshpkt_send(ssh)) != 0)
+ 		goto out;
++	}
+ #ifdef DEBUG_KEXDH
+ 	DHparams_print_fp(stderr, kex->dh);
+ 	fprintf(stderr, "pub= ");
+@@ -170,6 +175,9 @@
+ 
+ 	/* calc and verify H */
+ 	hashlen = sizeof(hash);
++	{
++	const BIGNUM *pub_key;
++	DH_get0_key(kex->dh, &pub_key, NULL);
+ 	if ((r = kex_dh_hash(
+ 	    kex->hash_alg,
+ 	    kex->client_version_string,
+@@ -177,11 +185,13 @@
+ 	    sshbuf_ptr(kex->my), sshbuf_len(kex->my),
+ 	    sshbuf_ptr(kex->peer), sshbuf_len(kex->peer),
+ 	    server_host_key_blob, sbloblen,
+-	    kex->dh->pub_key,
++	    pub_key,
+ 	    dh_server_pub,
+ 	    shared_secret,
+-	    hash, &hashlen)) != 0)
++	    hash, &hashlen)) != 0) {
+ 		goto out;
++	}
++	}
+ 
+ 	if ((r = sshkey_verify(server_host_key, signature, slen, hash, hashlen,
+ 	    ssh->compat)) != 0)
+diff -Naur old/kexdhs.c new/kexdhs.c
+--- old/kexdhs.c	2017-03-19 16:39:27.000000000 -1000
++++ new/kexdhs.c	2017-03-20 11:01:25.022161903 -1000
+@@ -87,6 +87,10 @@
+ 	ssh_dispatch_set(ssh, SSH2_MSG_KEXDH_INIT, &input_kex_dh_init);
+ 	r = 0;
+  out:
++	if (r != 0) {
++		if (kex->dh) DH_free(kex->dh);
++		kex->dh = NULL;
++	}
+ 	return r;
+ }
+ 
+@@ -164,6 +168,9 @@
+ 		goto out;
+ 	/* calc H */
+ 	hashlen = sizeof(hash);
++	{
++	const BIGNUM *pub_key;
++	DH_get0_key(kex->dh, &pub_key, NULL);
+ 	if ((r = kex_dh_hash(
+ 	    kex->hash_alg,
+ 	    kex->client_version_string,
+@@ -172,10 +179,12 @@
+ 	    sshbuf_ptr(kex->my), sshbuf_len(kex->my),
+ 	    server_host_key_blob, sbloblen,
+ 	    dh_client_pub,
+-	    kex->dh->pub_key,
++	    pub_key,
+ 	    shared_secret,
+-	    hash, &hashlen)) != 0)
++	    hash, &hashlen)) != 0) {
+ 		goto out;
++	}
++	}
+ 
+ 	/* save session id := H */
+ 	if (kex->session_id == NULL) {
+@@ -196,12 +205,17 @@
+ 	/* destroy_sensitive_data(); */
+ 
+ 	/* send server hostkey, DH pubkey 'f' and singed H */
++	{
++	const BIGNUM *pub_key;
++	DH_get0_key(kex->dh, &pub_key, NULL);
+ 	if ((r = sshpkt_start(ssh, SSH2_MSG_KEXDH_REPLY)) != 0 ||
+ 	    (r = sshpkt_put_string(ssh, server_host_key_blob, sbloblen)) != 0 ||
+-	    (r = sshpkt_put_bignum2(ssh, kex->dh->pub_key)) != 0 ||	/* f */
++	    (r = sshpkt_put_bignum2(ssh, pub_key)) != 0 ||	/* f */
+ 	    (r = sshpkt_put_string(ssh, signature, slen)) != 0 ||
+-	    (r = sshpkt_send(ssh)) != 0)
++	    (r = sshpkt_send(ssh)) != 0) {
+ 		goto out;
++	}
++	}
+ 
+ 	if ((r = kex_derive_keys_bn(ssh, hash, hashlen, shared_secret)) == 0)
+ 		r = kex_send_newkeys(ssh);
+diff -Naur old/kexgexc.c new/kexgexc.c
+--- old/kexgexc.c	2017-03-19 16:39:27.000000000 -1000
++++ new/kexgexc.c	2017-03-20 11:01:25.022161903 -1000
+@@ -119,11 +119,17 @@
+ 	p = g = NULL; /* belong to kex->dh now */
+ 
+ 	/* generate and send 'e', client DH public key */
+-	if ((r = dh_gen_key(kex->dh, kex->we_need * 8)) != 0 ||
+-	    (r = sshpkt_start(ssh, SSH2_MSG_KEX_DH_GEX_INIT)) != 0 ||
+-	    (r = sshpkt_put_bignum2(ssh, kex->dh->pub_key)) != 0 ||
+-	    (r = sshpkt_send(ssh)) != 0)
++	{
++	const BIGNUM *pub_key;
++	if ((r = dh_gen_key(kex->dh, kex->we_need * 8)) != 0)
++		goto out;
++	DH_get0_key(kex->dh, &pub_key, NULL);
++	if ((r = sshpkt_start(ssh, SSH2_MSG_KEX_DH_GEX_INIT)) != 0 ||
++	    (r = sshpkt_put_bignum2(ssh, pub_key)) != 0 ||
++	    (r = sshpkt_send(ssh)) != 0) {
+ 		goto out;
++	}
++	}
+ 	debug("SSH2_MSG_KEX_DH_GEX_INIT sent");
+ #ifdef DEBUG_KEXDH
+ 	DHparams_print_fp(stderr, kex->dh);
+@@ -135,10 +141,12 @@
+ 	ssh_dispatch_set(ssh, SSH2_MSG_KEX_DH_GEX_REPLY, &input_kex_dh_gex_reply);
+ 	r = 0;
+ out:
+-	if (p)
++	if (r != 0) {
+ 		BN_clear_free(p);
+-	if (g)
+ 		BN_clear_free(g);
++		DH_free(kex->dh);
++		kex->dh = NULL;
++	}
+ 	return r;
+ }
+ 
+@@ -220,6 +228,10 @@
+ 
+ 	/* calc and verify H */
+ 	hashlen = sizeof(hash);
++	{
++	const BIGNUM *p, *g, *pub_key;
++	DH_get0_pqg(kex->dh, &p, NULL, &g);
++	DH_get0_key(kex->dh, &pub_key, NULL);
+ 	if ((r = kexgex_hash(
+ 	    kex->hash_alg,
+ 	    kex->client_version_string,
+@@ -228,12 +240,14 @@
+ 	    sshbuf_ptr(kex->peer), sshbuf_len(kex->peer),
+ 	    server_host_key_blob, sbloblen,
+ 	    kex->min, kex->nbits, kex->max,
+-	    kex->dh->p, kex->dh->g,
+-	    kex->dh->pub_key,
++	    p, g,
++	    pub_key,
+ 	    dh_server_pub,
+ 	    shared_secret,
+-	    hash, &hashlen)) != 0)
++	    hash, &hashlen)) != 0) {
+ 		goto out;
++	}
++	}
+ 
+ 	if ((r = sshkey_verify(server_host_key, signature, slen, hash,
+ 	    hashlen, ssh->compat)) != 0)
+diff -Naur old/kexgexs.c new/kexgexs.c
+--- old/kexgexs.c	2017-03-19 16:39:27.000000000 -1000
++++ new/kexgexs.c	2017-03-20 11:01:25.025495678 -1000
+@@ -102,11 +102,16 @@
+ 		goto out;
+ 	}
+ 	debug("SSH2_MSG_KEX_DH_GEX_GROUP sent");
++	{
++	const BIGNUM *p, *g;
++	DH_get0_pqg(kex->dh, &p, NULL, &g);
+ 	if ((r = sshpkt_start(ssh, SSH2_MSG_KEX_DH_GEX_GROUP)) != 0 ||
+-	    (r = sshpkt_put_bignum2(ssh, kex->dh->p)) != 0 ||
+-	    (r = sshpkt_put_bignum2(ssh, kex->dh->g)) != 0 ||
+-	    (r = sshpkt_send(ssh)) != 0)
++	    (r = sshpkt_put_bignum2(ssh, p)) != 0 ||
++	    (r = sshpkt_put_bignum2(ssh, g)) != 0 ||
++	    (r = sshpkt_send(ssh)) != 0) {
+ 		goto out;
++	}
++	}
+ 
+ 	/* Compute our exchange value in parallel with the client */
+ 	if ((r = dh_gen_key(kex->dh, kex->we_need * 8)) != 0)
+@@ -116,6 +121,10 @@
+ 	ssh_dispatch_set(ssh, SSH2_MSG_KEX_DH_GEX_INIT, &input_kex_dh_gex_init);
+ 	r = 0;
+  out:
++	if (r != 0) {
++		DH_free(kex->dh);
++		kex->dh = NULL;
++	}
+ 	return r;
+ }
+ 
+@@ -193,6 +202,10 @@
+ 		goto out;
+ 	/* calc H */
+ 	hashlen = sizeof(hash);
++	{
++	const BIGNUM *p, *g, *pub_key;
++	DH_get0_pqg(kex->dh, &p, NULL, &g);
++	DH_get0_key(kex->dh, &pub_key, NULL);
+ 	if ((r = kexgex_hash(
+ 	    kex->hash_alg,
+ 	    kex->client_version_string,
+@@ -201,12 +214,14 @@
+ 	    sshbuf_ptr(kex->my), sshbuf_len(kex->my),
+ 	    server_host_key_blob, sbloblen,
+ 	    kex->min, kex->nbits, kex->max,
+-	    kex->dh->p, kex->dh->g,
++	    p, g,
+ 	    dh_client_pub,
+-	    kex->dh->pub_key,
++	    pub_key,
+ 	    shared_secret,
+-	    hash, &hashlen)) != 0)
++	    hash, &hashlen)) != 0) {
+ 		goto out;
++	}
++	}
+ 
+ 	/* save session id := H */
+ 	if (kex->session_id == NULL) {
+@@ -227,12 +242,17 @@
+ 	/* destroy_sensitive_data(); */
+ 
+ 	/* send server hostkey, DH pubkey 'f' and singed H */
++	{
++	const BIGNUM *pub_key;
++	DH_get0_key(kex->dh, &pub_key, NULL);
+ 	if ((r = sshpkt_start(ssh, SSH2_MSG_KEX_DH_GEX_REPLY)) != 0 ||
+ 	    (r = sshpkt_put_string(ssh, server_host_key_blob, sbloblen)) != 0 ||
+-	    (r = sshpkt_put_bignum2(ssh, kex->dh->pub_key)) != 0 ||     /* f */
++	    (r = sshpkt_put_bignum2(ssh, pub_key)) != 0 ||     /* f */
+ 	    (r = sshpkt_put_string(ssh, signature, slen)) != 0 ||
+-	    (r = sshpkt_send(ssh)) != 0)
++	    (r = sshpkt_send(ssh)) != 0) {
+ 		goto out;
++	}
++	}
+ 
+ 	if ((r = kex_derive_keys_bn(ssh, hash, hashlen, shared_secret)) == 0)
+ 		r = kex_send_newkeys(ssh);
+diff -Naur old/monitor.c new/monitor.c
+--- old/monitor.c	2017-03-19 16:39:27.000000000 -1000
++++ new/monitor.c	2017-03-20 11:01:25.025495678 -1000
+@@ -580,10 +580,12 @@
+ 		buffer_put_char(m, 0);
+ 		return (0);
+ 	} else {
++		const BIGNUM *p, *g;
++		DH_get0_pqg(dh, &p, NULL, &g);
+ 		/* Send first bignum */
+ 		buffer_put_char(m, 1);
+-		buffer_put_bignum2(m, dh->p);
+-		buffer_put_bignum2(m, dh->g);
++		buffer_put_bignum2(m, p);
++		buffer_put_bignum2(m, g);
+ 
+ 		DH_free(dh);
+ 	}
+diff -Naur old/openbsd-compat/openssl-compat.c new/openbsd-compat/openssl-compat.c
+--- old/openbsd-compat/openssl-compat.c	2017-03-19 16:39:27.000000000 -1000
++++ new/openbsd-compat/openssl-compat.c	2017-03-20 11:02:25.132784743 -1000
+@@ -75,7 +75,6 @@
+ 	/* Enable use of crypto hardware */
+ 	ENGINE_load_builtin_engines();
+ 	ENGINE_register_all_complete();
+-	OPENSSL_config(NULL);
+ }
+ #endif
+ 
+diff -Naur old/regress/unittests/sshkey/test_file.c new/regress/unittests/sshkey/test_file.c
+--- old/regress/unittests/sshkey/test_file.c	2017-03-19 16:39:27.000000000 -1000
++++ new/regress/unittests/sshkey/test_file.c	2017-03-20 11:01:25.028829454 -1000
+@@ -109,9 +109,14 @@
+ 	a = load_bignum("rsa_1.param.n");
+ 	b = load_bignum("rsa_1.param.p");
+ 	c = load_bignum("rsa_1.param.q");
+-	ASSERT_BIGNUM_EQ(k1->rsa->n, a);
+-	ASSERT_BIGNUM_EQ(k1->rsa->p, b);
+-	ASSERT_BIGNUM_EQ(k1->rsa->q, c);
++	{
++	const BIGNUM *n, *p, *q;
++	RSA_get0_key(k1->rsa, &n, NULL, NULL);
++	RSA_get0_factors(k1->rsa, &p, &q);
++	ASSERT_BIGNUM_EQ(n, a);
++	ASSERT_BIGNUM_EQ(p, b);
++	ASSERT_BIGNUM_EQ(q, c);
++	}
+ 	BN_free(a);
+ 	BN_free(b);
+ 	BN_free(c);
+@@ -200,9 +205,14 @@
+ 	a = load_bignum("dsa_1.param.g");
+ 	b = load_bignum("dsa_1.param.priv");
+ 	c = load_bignum("dsa_1.param.pub");
+-	ASSERT_BIGNUM_EQ(k1->dsa->g, a);
+-	ASSERT_BIGNUM_EQ(k1->dsa->priv_key, b);
+-	ASSERT_BIGNUM_EQ(k1->dsa->pub_key, c);
++	{
++	const BIGNUM *g, *priv_key, *pub_key;
++	DSA_get0_pqg(k1->dsa, NULL, NULL, &g);
++	DSA_get0_key(k1->dsa, &pub_key, &priv_key);
++	ASSERT_BIGNUM_EQ(g, a);
++	ASSERT_BIGNUM_EQ(priv_key, b);
++	ASSERT_BIGNUM_EQ(pub_key, c);
++	}
+ 	BN_free(a);
+ 	BN_free(b);
+ 	BN_free(c);
+diff -Naur old/regress/unittests/sshkey/test_sshkey.c new/regress/unittests/sshkey/test_sshkey.c
+--- old/regress/unittests/sshkey/test_sshkey.c	2017-03-19 16:39:27.000000000 -1000
++++ new/regress/unittests/sshkey/test_sshkey.c	2017-03-20 11:01:25.028829454 -1000
+@@ -197,9 +197,14 @@
+ 	k1 = sshkey_new(KEY_RSA1);
+ 	ASSERT_PTR_NE(k1, NULL);
+ 	ASSERT_PTR_NE(k1->rsa, NULL);
+-	ASSERT_PTR_NE(k1->rsa->n, NULL);
+-	ASSERT_PTR_NE(k1->rsa->e, NULL);
+-	ASSERT_PTR_EQ(k1->rsa->p, NULL);
++	{
++	const BIGNUM *n, *e, *p;
++	RSA_get0_key(k1->rsa, &n, &e, NULL);
++	RSA_get0_factors(k1->rsa, &p, NULL);
++	ASSERT_PTR_NE(n, NULL);
++	ASSERT_PTR_NE(e, NULL);
++	ASSERT_PTR_EQ(p, NULL);
++	}
+ 	sshkey_free(k1);
+ 	TEST_DONE();
+ 
+@@ -207,9 +212,14 @@
+ 	k1 = sshkey_new(KEY_RSA);
+ 	ASSERT_PTR_NE(k1, NULL);
+ 	ASSERT_PTR_NE(k1->rsa, NULL);
+-	ASSERT_PTR_NE(k1->rsa->n, NULL);
+-	ASSERT_PTR_NE(k1->rsa->e, NULL);
+-	ASSERT_PTR_EQ(k1->rsa->p, NULL);
++	{
++	const BIGNUM *n, *e, *p;
++	RSA_get0_key(k1->rsa, &n, &e, NULL);
++	RSA_get0_factors(k1->rsa, &p, NULL);
++	ASSERT_PTR_NE(n, NULL);
++	ASSERT_PTR_NE(e, NULL);
++	ASSERT_PTR_EQ(p, NULL);
++	}
+ 	sshkey_free(k1);
+ 	TEST_DONE();
+ 
+@@ -217,8 +227,13 @@
+ 	k1 = sshkey_new(KEY_DSA);
+ 	ASSERT_PTR_NE(k1, NULL);
+ 	ASSERT_PTR_NE(k1->dsa, NULL);
+-	ASSERT_PTR_NE(k1->dsa->g, NULL);
+-	ASSERT_PTR_EQ(k1->dsa->priv_key, NULL);
++	{
++	const BIGNUM *g, *priv_key;
++	DSA_get0_pqg(k1->dsa, NULL, NULL, &g);
++	DSA_get0_key(k1->dsa, NULL, &priv_key);
++	ASSERT_PTR_NE(g, NULL);
++	ASSERT_PTR_EQ(priv_key, NULL);
++	}
+ 	sshkey_free(k1);
+ 	TEST_DONE();
+ 
+@@ -244,9 +259,14 @@
+ 	k1 = sshkey_new_private(KEY_RSA);
+ 	ASSERT_PTR_NE(k1, NULL);
+ 	ASSERT_PTR_NE(k1->rsa, NULL);
+-	ASSERT_PTR_NE(k1->rsa->n, NULL);
+-	ASSERT_PTR_NE(k1->rsa->e, NULL);
+-	ASSERT_PTR_NE(k1->rsa->p, NULL);
++	{
++	const BIGNUM *n, *e, *p;
++	RSA_get0_key(k1->rsa, &n, &e, NULL);
++	RSA_get0_factors(k1->rsa, &p, NULL);
++	ASSERT_PTR_NE(n, NULL);
++	ASSERT_PTR_NE(e, NULL);
++	ASSERT_PTR_NE(p, NULL);
++	}
+ 	ASSERT_INT_EQ(sshkey_add_private(k1), 0);
+ 	sshkey_free(k1);
+ 	TEST_DONE();
+@@ -255,8 +275,13 @@
+ 	k1 = sshkey_new_private(KEY_DSA);
+ 	ASSERT_PTR_NE(k1, NULL);
+ 	ASSERT_PTR_NE(k1->dsa, NULL);
+-	ASSERT_PTR_NE(k1->dsa->g, NULL);
+-	ASSERT_PTR_NE(k1->dsa->priv_key, NULL);
++	{
++	const BIGNUM *g, *priv_key;
++	DSA_get0_pqg(k1->dsa, NULL, NULL, &g);
++	DSA_get0_key(k1->dsa, NULL, &priv_key);
++	ASSERT_PTR_NE(g, NULL);
++	ASSERT_PTR_NE(priv_key, NULL);
++	}
+ 	ASSERT_INT_EQ(sshkey_add_private(k1), 0);
+ 	sshkey_free(k1);
+ 	TEST_DONE();
+@@ -295,18 +320,28 @@
+ 	ASSERT_INT_EQ(sshkey_generate(KEY_RSA, 1024, &kr), 0);
+ 	ASSERT_PTR_NE(kr, NULL);
+ 	ASSERT_PTR_NE(kr->rsa, NULL);
+-	ASSERT_PTR_NE(kr->rsa->n, NULL);
+-	ASSERT_PTR_NE(kr->rsa->e, NULL);
+-	ASSERT_PTR_NE(kr->rsa->p, NULL);
+-	ASSERT_INT_EQ(BN_num_bits(kr->rsa->n), 1024);
++	{
++	const BIGNUM *n, *e, *p;
++	RSA_get0_key(kr->rsa, &n, &e, NULL);
++	RSA_get0_factors(kr->rsa, &p, NULL);
++	ASSERT_PTR_NE(n, NULL);
++	ASSERT_PTR_NE(e, NULL);
++	ASSERT_PTR_NE(p, NULL);
++	ASSERT_INT_EQ(BN_num_bits(n), 1024);
++	}
+ 	TEST_DONE();
+ 
+ 	TEST_START("generate KEY_DSA");
+ 	ASSERT_INT_EQ(sshkey_generate(KEY_DSA, 1024, &kd), 0);
+ 	ASSERT_PTR_NE(kd, NULL);
+ 	ASSERT_PTR_NE(kd->dsa, NULL);
+-	ASSERT_PTR_NE(kd->dsa->g, NULL);
+-	ASSERT_PTR_NE(kd->dsa->priv_key, NULL);
++	{
++	const BIGNUM *g, *priv_key;
++	DSA_get0_pqg(kd->dsa, NULL, NULL, &g);
++	DSA_get0_key(kd->dsa, NULL, &priv_key);
++	ASSERT_PTR_NE(g, NULL);
++	ASSERT_PTR_NE(priv_key, NULL);
++	}
+ 	TEST_DONE();
+ 
+ #ifdef OPENSSL_HAS_ECC
+@@ -333,9 +368,14 @@
+ 	ASSERT_PTR_NE(kr, k1);
+ 	ASSERT_INT_EQ(k1->type, KEY_RSA);
+ 	ASSERT_PTR_NE(k1->rsa, NULL);
+-	ASSERT_PTR_NE(k1->rsa->n, NULL);
+-	ASSERT_PTR_NE(k1->rsa->e, NULL);
+-	ASSERT_PTR_EQ(k1->rsa->p, NULL);
++	{
++	const BIGNUM *n, *e, *p;
++	RSA_get0_key(k1->rsa, &n, &e, NULL);
++	RSA_get0_factors(k1->rsa, &p, NULL);
++	ASSERT_PTR_NE(n, NULL);
++	ASSERT_PTR_NE(e, NULL);
++	ASSERT_PTR_EQ(p, NULL);
++	}
+ 	TEST_DONE();
+ 
+ 	TEST_START("equal KEY_RSA/demoted KEY_RSA");
+@@ -349,8 +389,13 @@
+ 	ASSERT_PTR_NE(kd, k1);
+ 	ASSERT_INT_EQ(k1->type, KEY_DSA);
+ 	ASSERT_PTR_NE(k1->dsa, NULL);
+-	ASSERT_PTR_NE(k1->dsa->g, NULL);
+-	ASSERT_PTR_EQ(k1->dsa->priv_key, NULL);
++	{
++	const BIGNUM *g, *priv_key;
++	DSA_get0_pqg(k1->dsa, NULL, NULL, &g);
++	DSA_get0_key(k1->dsa, NULL, &priv_key);
++	ASSERT_PTR_NE(g, NULL);
++	ASSERT_PTR_EQ(priv_key, NULL);
++	}
+ 	TEST_DONE();
+ 
+ 	TEST_START("equal KEY_DSA/demoted KEY_DSA");
+diff -Naur old/rsa.c new/rsa.c
+--- old/rsa.c	2017-03-19 16:39:27.000000000 -1000
++++ new/rsa.c	2017-03-20 11:01:25.025495678 -1000
+@@ -76,11 +76,14 @@
+ {
+ 	u_char *inbuf = NULL, *outbuf = NULL;
+ 	int len, ilen, olen, r = SSH_ERR_INTERNAL_ERROR;
++	const BIGNUM *e, *n;
+ 
+-	if (BN_num_bits(key->e) < 2 || !BN_is_odd(key->e))
++	RSA_get0_key(key, &n, &e, NULL);
++
++	if (BN_num_bits(e) < 2 || !BN_is_odd(e))
+ 		return SSH_ERR_INVALID_ARGUMENT;
+ 
+-	olen = BN_num_bytes(key->n);
++	olen = BN_num_bytes(n);
+ 	if ((outbuf = malloc(olen)) == NULL) {
+ 		r = SSH_ERR_ALLOC_FAIL;
+ 		goto out;
+@@ -123,7 +126,7 @@
+ 	u_char *inbuf = NULL, *outbuf = NULL;
+ 	int len, ilen, olen, r = SSH_ERR_INTERNAL_ERROR;
+ 
+-	olen = BN_num_bytes(key->n);
++	olen = RSA_size(key);
+ 	if ((outbuf = malloc(olen)) == NULL) {
+ 		r = SSH_ERR_ALLOC_FAIL;
+ 		goto out;
+@@ -172,13 +175,27 @@
+ 		goto out;
+ 	}
+ 
+-	if ((BN_sub(aux, rsa->q, BN_value_one()) == 0) ||
+-	    (BN_mod(rsa->dmq1, rsa->d, aux, ctx) == 0) ||
+-	    (BN_sub(aux, rsa->p, BN_value_one()) == 0) ||
+-	    (BN_mod(rsa->dmp1, rsa->d, aux, ctx) == 0)) {
++	{
++	const BIGNUM *q, *d, *p;
++	BIGNUM *dmq1=NULL, *dmp1=NULL;
++	if ((dmq1 = BN_new()) == NULL ||
++	    (dmp1 = BN_new()) == NULL ) {
++		r = SSH_ERR_ALLOC_FAIL;
++		goto out;
++	}
++	RSA_get0_key(rsa, NULL, NULL, &d);
++	RSA_get0_factors(rsa, &p, &q);
++	if ((BN_sub(aux, q, BN_value_one()) == 0) ||
++	    (BN_mod(dmq1, d, aux, ctx) == 0) ||
++	    (BN_sub(aux, p, BN_value_one()) == 0) ||
++	    (BN_mod(dmp1, d, aux, ctx) == 0) ||
++	     RSA_set0_crt_params(rsa, dmp1, dmq1, NULL) == 0) {
+ 		r = SSH_ERR_LIBCRYPTO_ERROR;
++		BN_clear_free(dmp1);
++		BN_clear_free(dmq1);
+ 		goto out;
+ 	}
++	}
+ 	r = 0;
+  out:
+ 	BN_clear_free(aux);
+diff -Naur old/ssh-dss.c new/ssh-dss.c
+--- old/ssh-dss.c	2017-03-19 16:39:27.000000000 -1000
++++ new/ssh-dss.c	2017-03-20 11:01:25.025495678 -1000
+@@ -53,6 +53,7 @@
+ 	DSA_SIG *sig = NULL;
+ 	u_char digest[SSH_DIGEST_MAX_LENGTH], sigblob[SIGBLOB_LEN];
+ 	size_t rlen, slen, len, dlen = ssh_digest_bytes(SSH_DIGEST_SHA1);
++	const BIGNUM *r, *s;
+ 	struct sshbuf *b = NULL;
+ 	int ret = SSH_ERR_INVALID_ARGUMENT;
+ 
+@@ -76,15 +77,16 @@
+ 		goto out;
+ 	}
+ 
+-	rlen = BN_num_bytes(sig->r);
+-	slen = BN_num_bytes(sig->s);
++	DSA_SIG_get0(sig, &r, &s);
++	rlen = BN_num_bytes(r);
++	slen = BN_num_bytes(s);
+ 	if (rlen > INTBLOB_LEN || slen > INTBLOB_LEN) {
+ 		ret = SSH_ERR_INTERNAL_ERROR;
+ 		goto out;
+ 	}
+ 	explicit_bzero(sigblob, SIGBLOB_LEN);
+-	BN_bn2bin(sig->r, sigblob + SIGBLOB_LEN - INTBLOB_LEN - rlen);
+-	BN_bn2bin(sig->s, sigblob + SIGBLOB_LEN - slen);
++	BN_bn2bin(r, sigblob + SIGBLOB_LEN - INTBLOB_LEN - rlen);
++	BN_bn2bin(s, sigblob + SIGBLOB_LEN - slen);
+ 
+ 	if (compat & SSH_BUG_SIGBLOB) {
+ 		if (sigp != NULL) {
+@@ -176,17 +178,26 @@
+ 	}
+ 
+ 	/* parse signature */
++	{
++	BIGNUM *r=NULL, *s=NULL;
+ 	if ((sig = DSA_SIG_new()) == NULL ||
+-	    (sig->r = BN_new()) == NULL ||
+-	    (sig->s = BN_new()) == NULL) {
++	    (r = BN_new()) == NULL ||
++	    (s = BN_new()) == NULL) {
+ 		ret = SSH_ERR_ALLOC_FAIL;
++		BN_free(r);
++		BN_free(s);
+ 		goto out;
+ 	}
+-	if ((BN_bin2bn(sigblob, INTBLOB_LEN, sig->r) == NULL) ||
+-	    (BN_bin2bn(sigblob+ INTBLOB_LEN, INTBLOB_LEN, sig->s) == NULL)) {
++	if ((BN_bin2bn(sigblob, INTBLOB_LEN, r) == NULL) ||
++	    (BN_bin2bn(sigblob+ INTBLOB_LEN, INTBLOB_LEN, s) == NULL)) {
+ 		ret = SSH_ERR_LIBCRYPTO_ERROR;
++		BN_free(r);
++		BN_free(s);
+ 		goto out;
+ 	}
++	DSA_SIG_set0(sig, r, s);
++	r = s = NULL;
++	}
+ 
+ 	/* sha1 the data */
+ 	if ((ret = ssh_digest_memory(SSH_DIGEST_SHA1, data, datalen,
+diff -Naur old/ssh-ecdsa.c new/ssh-ecdsa.c
+--- old/ssh-ecdsa.c	2017-03-19 16:39:27.000000000 -1000
++++ new/ssh-ecdsa.c	2017-03-20 11:01:25.025495678 -1000
+@@ -80,9 +80,14 @@
+ 		ret = SSH_ERR_ALLOC_FAIL;
+ 		goto out;
+ 	}
+-	if ((ret = sshbuf_put_bignum2(bb, sig->r)) != 0 ||
+-	    (ret = sshbuf_put_bignum2(bb, sig->s)) != 0)
++	{
++	const BIGNUM *r, *s;
++	ECDSA_SIG_get0(sig, &r, &s);
++	if ((ret = sshbuf_put_bignum2(bb, r)) != 0 ||
++	    (ret = sshbuf_put_bignum2(bb, s)) != 0) {
+ 		goto out;
++	}
++	}
+ 	if ((ret = sshbuf_put_cstring(b, sshkey_ssh_name_plain(key))) != 0 ||
+ 	    (ret = sshbuf_put_stringb(b, bb)) != 0)
+ 		goto out;
+@@ -151,11 +156,27 @@
+ 		ret = SSH_ERR_ALLOC_FAIL;
+ 		goto out;
+ 	}
+-	if (sshbuf_get_bignum2(sigbuf, sig->r) != 0 ||
+-	    sshbuf_get_bignum2(sigbuf, sig->s) != 0) {
++	{
++	BIGNUM *r=NULL, *s=NULL;
++	if ((r = BN_new()) == NULL ||
++	    (s = BN_new()) == NULL) {
++		ret = SSH_ERR_ALLOC_FAIL;
++		goto out_rs;
++	}
++	if (sshbuf_get_bignum2(sigbuf, r) != 0 ||
++	    sshbuf_get_bignum2(sigbuf, s) != 0) {
+ 		ret = SSH_ERR_INVALID_FORMAT;
++		goto out_rs;
++	}
++	if (ECDSA_SIG_set0(sig, r, s) == 0) {
++		ret = SSH_ERR_LIBCRYPTO_ERROR;
++out_rs:
++		BN_free(r);
++		BN_free(s);
+ 		goto out;
+ 	}
++	r = s = NULL;
++	}
+ 	if (sshbuf_len(sigbuf) != 0) {
+ 		ret = SSH_ERR_UNEXPECTED_TRAILING_DATA;
+ 		goto out;
+diff -Naur old/ssh-keygen.c new/ssh-keygen.c
+--- old/ssh-keygen.c	2017-03-19 16:39:27.000000000 -1000
++++ new/ssh-keygen.c	2017-03-20 11:01:25.025495678 -1000
+@@ -483,11 +483,33 @@
+ 
+ 	switch (key->type) {
+ 	case KEY_DSA:
+-		buffer_get_bignum_bits(b, key->dsa->p);
+-		buffer_get_bignum_bits(b, key->dsa->g);
+-		buffer_get_bignum_bits(b, key->dsa->q);
+-		buffer_get_bignum_bits(b, key->dsa->pub_key);
+-		buffer_get_bignum_bits(b, key->dsa->priv_key);
++		{
++		BIGNUM *p=NULL, *g=NULL, *q=NULL, *pub_key=NULL, *priv_key=NULL;
++		if ((p=BN_new()) == NULL ||
++		    (g=BN_new()) == NULL ||
++		    (q=BN_new()) == NULL ||
++		    (pub_key=BN_new()) == NULL ||
++		    (priv_key=BN_new()) == NULL) {
++			BN_free(p);
++			BN_free(g);
++			BN_free(q);
++			BN_free(pub_key);
++			BN_free(priv_key);
++			return NULL;
++		}
++		buffer_get_bignum_bits(b, p);
++		buffer_get_bignum_bits(b, g);
++		buffer_get_bignum_bits(b, q);
++		buffer_get_bignum_bits(b, pub_key);
++		buffer_get_bignum_bits(b, priv_key);
++		if (DSA_set0_pqg(key->dsa, p, q, g) == 0 ||
++		    DSA_set0_key(key->dsa, pub_key, priv_key) == 0) {
++			fatal("failed to set DSA key");
++			BN_free(p); BN_free(g); BN_free(q);
++			BN_free(pub_key); BN_free(priv_key);
++			return NULL;
++		}
++		}
+ 		break;
+ 	case KEY_RSA:
+ 		if ((r = sshbuf_get_u8(b, &e1)) != 0 ||
+@@ -504,16 +526,52 @@
+ 			e += e3;
+ 			debug("e %lx", e);
+ 		}
+-		if (!BN_set_word(key->rsa->e, e)) {
++		{
++		BIGNUM *rsa_e = NULL;
++		BIGNUM *d=NULL, *n=NULL, *iqmp=NULL, *q=NULL, *p=NULL;
++		BIGNUM *dmp1=NULL, *dmq1=NULL; /* dummy input to set in RSA_set0_crt_params */
++		rsa_e = BN_new();
++		if (!rsa_e || !BN_set_word(rsa_e, e)) {
++			if (rsa_e) BN_free(rsa_e);
+ 			sshbuf_free(b);
+ 			sshkey_free(key);
+ 			return NULL;
+ 		}
+-		buffer_get_bignum_bits(b, key->rsa->d);
+-		buffer_get_bignum_bits(b, key->rsa->n);
+-		buffer_get_bignum_bits(b, key->rsa->iqmp);
+-		buffer_get_bignum_bits(b, key->rsa->q);
+-		buffer_get_bignum_bits(b, key->rsa->p);
++		if ((d=BN_new()) == NULL ||
++		    (n=BN_new()) == NULL ||
++		    (iqmp=BN_new()) == NULL ||
++		    (q=BN_new()) == NULL ||
++		    (p=BN_new()) == NULL ||
++		    (dmp1=BN_new()) == NULL ||
++		    (dmq1=BN_new()) == NULL) {
++			BN_free(d); BN_free(n); BN_free(iqmp);
++			BN_free(q); BN_free(p);
++			BN_free(dmp1); BN_free(dmq1);
++			return NULL;
++		}
++		BN_clear(dmp1); BN_clear(dmq1);
++		buffer_get_bignum_bits(b, d);
++		buffer_get_bignum_bits(b, n);
++		buffer_get_bignum_bits(b, iqmp);
++		buffer_get_bignum_bits(b, q);
++		buffer_get_bignum_bits(b, p);
++		if (RSA_set0_key(key->rsa, n, rsa_e, d) == 0)
++			goto null;
++		n = d = NULL;
++		if (RSA_set0_factors(key->rsa, p, q) == 0)
++			goto null;
++		p = q = NULL;
++		/* dmp1, dmq1 should not be NULL for initial set0 */
++		if (RSA_set0_crt_params(key->rsa, dmp1, dmq1, iqmp) == 0) {
++null:
++			fatal("Failed to set RSA parameters");
++			BN_free(d); BN_free(n); BN_free(iqmp);
++			BN_free(q); BN_free(p);
++			BN_free(dmp1); BN_free(dmq1);
++			return NULL;
++		}
++		dmp1 = dmq1 = iqmp = NULL;
++		}
+ 		if ((r = rsa_generate_additional_parameters(key->rsa)) != 0)
+ 			fatal("generate RSA parameters failed: %s", ssh_err(r));
+ 		break;
+@@ -623,7 +681,7 @@
+ 		    identity_file);
+ 	}
+ 	fclose(fp);
+-	switch (EVP_PKEY_type(pubkey->type)) {
++	switch (EVP_PKEY_type(EVP_PKEY_id(pubkey))) {
+ 	case EVP_PKEY_RSA:
+ 		if ((*k = sshkey_new(KEY_UNSPEC)) == NULL)
+ 			fatal("sshkey_new failed");
+@@ -647,7 +705,7 @@
+ #endif
+ 	default:
+ 		fatal("%s: unsupported pubkey type %d", __func__,
+-		    EVP_PKEY_type(pubkey->type));
++		    EVP_PKEY_type(EVP_PKEY_id(pubkey)));
+ 	}
+ 	EVP_PKEY_free(pubkey);
+ 	return;
+diff -Naur old/ssh-pkcs11-client.c new/ssh-pkcs11-client.c
+--- old/ssh-pkcs11-client.c	2017-03-19 16:39:27.000000000 -1000
++++ new/ssh-pkcs11-client.c	2017-03-20 11:01:25.025495678 -1000
+@@ -143,12 +143,13 @@
+ static int
+ wrap_key(RSA *rsa)
+ {
+-	static RSA_METHOD helper_rsa;
++	static RSA_METHOD *helper_rsa;
+ 
+-	memcpy(&helper_rsa, RSA_get_default_method(), sizeof(helper_rsa));
+-	helper_rsa.name = "ssh-pkcs11-helper";
+-	helper_rsa.rsa_priv_enc = pkcs11_rsa_private_encrypt;
+-	RSA_set_method(rsa, &helper_rsa);
++	if ((helper_rsa = RSA_meth_dup(RSA_get_default_method())) == NULL)
++		return (-1); /* XXX but caller isn't checking */
++	RSA_meth_set1_name(helper_rsa, "ssh-pkcs11-helper");
++	RSA_meth_set_priv_enc(helper_rsa, pkcs11_rsa_private_encrypt);
++	RSA_set_method(rsa, helper_rsa);
+ 	return (0);
+ }
+ 
+diff -Naur old/ssh-pkcs11.c new/ssh-pkcs11.c
+--- old/ssh-pkcs11.c	2017-03-19 16:39:27.000000000 -1000
++++ new/ssh-pkcs11.c	2017-03-20 11:01:25.025495678 -1000
+@@ -67,7 +67,7 @@
+ 	struct pkcs11_provider	*provider;
+ 	CK_ULONG		slotidx;
+ 	int			(*orig_finish)(RSA *rsa);
+-	RSA_METHOD		rsa_method;
++	RSA_METHOD		*rsa_method;
+ 	char			*keyid;
+ 	int			keyid_len;
+ };
+@@ -326,13 +326,15 @@
+ 		k11->keyid = xmalloc(k11->keyid_len);
+ 		memcpy(k11->keyid, keyid_attrib->pValue, k11->keyid_len);
+ 	}
+-	k11->orig_finish = def->finish;
+-	memcpy(&k11->rsa_method, def, sizeof(k11->rsa_method));
+-	k11->rsa_method.name = "pkcs11";
+-	k11->rsa_method.rsa_priv_enc = pkcs11_rsa_private_encrypt;
+-	k11->rsa_method.rsa_priv_dec = pkcs11_rsa_private_decrypt;
+-	k11->rsa_method.finish = pkcs11_rsa_finish;
+-	RSA_set_method(rsa, &k11->rsa_method);
++	k11->orig_finish = RSA_meth_get_finish(def);
++
++	if ((k11->rsa_method = RSA_meth_new("pkcs11", RSA_meth_get_flags(def))) == NULL)
++		return -1;
++	RSA_meth_set_priv_enc(k11->rsa_method, pkcs11_rsa_private_encrypt);
++	RSA_meth_set_priv_dec(k11->rsa_method, pkcs11_rsa_private_decrypt);
++	RSA_meth_set_finish(k11->rsa_method, pkcs11_rsa_finish);
++
++	RSA_set_method(rsa, k11->rsa_method);
+ 	RSA_set_app_data(rsa, k11);
+ 	return (0);
+ }
+@@ -512,10 +514,19 @@
+ 			if ((rsa = RSA_new()) == NULL) {
+ 				error("RSA_new failed");
+ 			} else {
+-				rsa->n = BN_bin2bn(attribs[1].pValue,
+-				    attribs[1].ulValueLen, NULL);
+-				rsa->e = BN_bin2bn(attribs[2].pValue,
+-				    attribs[2].ulValueLen, NULL);
++				BIGNUM *n=NULL, *e=NULL;
++				n = BN_new();
++				e = BN_new();
++				if (n == NULL || e == NULL)
++					error("BN_new alloc failed");
++				if (BN_bin2bn(attribs[1].pValue,
++				      attribs[1].ulValueLen, n) == NULL ||
++				    BN_bin2bn(attribs[2].pValue,
++				      attribs[2].ulValueLen, e) == NULL)
++					error("BN_bin2bn failed");
++				if (RSA_set0_key(rsa, n, e, NULL) == 0)
++					error("RSA_set0_key failed");
++				n = e = NULL;
+ 			}
+ 		} else {
+ 			cp = attribs[2].pValue;
+@@ -525,17 +536,20 @@
+ 			    == NULL) {
+ 				error("d2i_X509 failed");
+ 			} else if ((evp = X509_get_pubkey(x509)) == NULL ||
+-			    evp->type != EVP_PKEY_RSA ||
+-			    evp->pkey.rsa == NULL) {
++			    EVP_PKEY_id(evp) != EVP_PKEY_RSA ||
++			    EVP_PKEY_get0_RSA(evp) == NULL) {
+ 				debug("X509_get_pubkey failed or no rsa");
+-			} else if ((rsa = RSAPublicKey_dup(evp->pkey.rsa))
++			} else if ((rsa = RSAPublicKey_dup(EVP_PKEY_get0_RSA(evp)))
+ 			    == NULL) {
+ 				error("RSAPublicKey_dup");
+ 			}
+ 			if (x509)
+ 				X509_free(x509);
+ 		}
+-		if (rsa && rsa->n && rsa->e &&
++		{
++		const BIGNUM *n, *e;
++		RSA_get0_key(rsa, &n, &e, NULL);
++		if (rsa && n && e &&
+ 		    pkcs11_rsa_wrap(p, slotidx, &attribs[0], rsa) == 0) {
+ 			key = sshkey_new(KEY_UNSPEC);
+ 			key->rsa = rsa;
+@@ -554,6 +568,7 @@
+ 		} else if (rsa) {
+ 			RSA_free(rsa);
+ 		}
++		}
+ 		for (i = 0; i < 3; i++)
+ 			free(attribs[i].pValue);
+ 	}
+diff -Naur old/ssh-rsa.c new/ssh-rsa.c
+--- old/ssh-rsa.c	2017-03-19 16:39:27.000000000 -1000
++++ new/ssh-rsa.c	2017-03-20 11:01:25.028829454 -1000
+@@ -100,7 +100,7 @@
+ 		hash_alg = rsa_hash_alg_from_ident(alg_ident);
+ 	if (key == NULL || key->rsa == NULL || hash_alg == -1 ||
+ 	    sshkey_type_plain(key->type) != KEY_RSA ||
+-	    BN_num_bits(key->rsa->n) < SSH_RSA_MINIMUM_MODULUS_SIZE)
++	    RSA_bits(key->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE)
+ 		return SSH_ERR_INVALID_ARGUMENT;
+ 	slen = RSA_size(key->rsa);
+ 	if (slen <= 0 || slen > SSHBUF_MAX_BIGNUM)
+@@ -172,7 +172,7 @@
+ 
+ 	if (key == NULL || key->rsa == NULL ||
+ 	    sshkey_type_plain(key->type) != KEY_RSA ||
+-	    BN_num_bits(key->rsa->n) < SSH_RSA_MINIMUM_MODULUS_SIZE ||
++	    RSA_bits(key->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE ||
+ 	    sig == NULL || siglen == 0)
+ 		return SSH_ERR_INVALID_ARGUMENT;
+ 
+diff -Naur old/sshkey.c new/sshkey.c
+--- old/sshkey.c	2017-03-19 16:39:27.000000000 -1000
++++ new/sshkey.c	2017-03-20 11:04:12.616131625 -1000
+@@ -275,10 +275,18 @@
+ 	case KEY_RSA1:
+ 	case KEY_RSA:
+ 	case KEY_RSA_CERT:
++#if OPENSSL_VERSION_NUMBER >= 0x10100000UL
++		return RSA_bits(k->rsa);
++#else
+ 		return BN_num_bits(k->rsa->n);
++#endif
+ 	case KEY_DSA:
+ 	case KEY_DSA_CERT:
++#if OPENSSL_VERSION_NUMBER >= 0x10100000UL
++		return DSA_bits(k->dsa);
++#else
+ 		return BN_num_bits(k->dsa->p);
++#endif
+ 	case KEY_ECDSA:
+ 	case KEY_ECDSA_CERT:
+ 		return sshkey_curve_nid_to_bits(k->ecdsa_nid);
+@@ -478,28 +486,55 @@
+ 	case KEY_RSA1:
+ 	case KEY_RSA:
+ 	case KEY_RSA_CERT:
++		{
++		BIGNUM *n=NULL, *e=NULL; /* just allocate */
+ 		if ((rsa = RSA_new()) == NULL ||
+-		    (rsa->n = BN_new()) == NULL ||
+-		    (rsa->e = BN_new()) == NULL) {
++		    (n = BN_new()) == NULL ||
++		    (e = BN_new()) == NULL) {
++			BN_free(n);
++			BN_free(e);
+ 			if (rsa != NULL)
+ 				RSA_free(rsa);
+ 			free(k);
+ 			return NULL;
+ 		}
++		BN_clear(n); BN_clear(e);
++		if (RSA_set0_key(rsa, n, e, NULL) == 0)
++			return NULL;
++		n = e = NULL;
++		}
+ 		k->rsa = rsa;
+ 		break;
+ 	case KEY_DSA:
+ 	case KEY_DSA_CERT:
++		{
++		BIGNUM *p=NULL, *q=NULL, *g=NULL, *pubkey=NULL; /* just allocate */
+ 		if ((dsa = DSA_new()) == NULL ||
+-		    (dsa->p = BN_new()) == NULL ||
+-		    (dsa->q = BN_new()) == NULL ||
+-		    (dsa->g = BN_new()) == NULL ||
+-		    (dsa->pub_key = BN_new()) == NULL) {
++		    (p = BN_new()) == NULL ||
++		    (q = BN_new()) == NULL ||
++		    (g = BN_new()) == NULL ||
++		    (pubkey = BN_new()) == NULL) {
++			BN_free(p);
++			BN_free(q);
++			BN_free(g);
++			BN_free(pubkey);
+ 			if (dsa != NULL)
+ 				DSA_free(dsa);
+ 			free(k);
+ 			return NULL;
+ 		}
++		if (DSA_set0_pqg(dsa, p, q, g) == 0) {
++			BN_free(p); BN_free(q); BN_free(g);
++			BN_free(pubkey);
++			return NULL;
++		}
++		p = q = g = NULL;
++		if (DSA_set0_key(dsa, pubkey, NULL) == 0) {
++			BN_free(pubkey);
++			return NULL;
++		}
++		pubkey = NULL;
++		}
+ 		k->dsa = dsa;
+ 		break;
+ 	case KEY_ECDSA:
+@@ -536,6 +571,51 @@
+ 	case KEY_RSA1:
+ 	case KEY_RSA:
+ 	case KEY_RSA_CERT:
++#if OPENSSL_VERSION_NUMBER >= 0x10100000UL
++		/* Allocate BIGNUM. This is a mess.
++		   For OpenSSL 1.1.x API these shouldn't be mandatory,
++		   but some regression tests for non-NULL pointer of
++		   the data. */
++#define new_or_dup(bn, nbn) \
++		if (bn == NULL) { \
++			if ((nbn = BN_new()) == NULL) \
++				return SSH_ERR_ALLOC_FAIL; \
++		} else { \
++			/* otherwise use-after-free will occur */ \
++			if ((nbn = BN_dup(bn)) == NULL) \
++				return SSH_ERR_ALLOC_FAIL; \
++		}
++		{
++		const BIGNUM *d, *iqmp, *q, *p, *dmq1, *dmp1; /* allocate if NULL */
++		BIGNUM *nd, *niqmp, *nq, *np, *ndmq1, *ndmp1;
++
++		RSA_get0_key(k->rsa, NULL, NULL, &d);
++		RSA_get0_factors(k->rsa, &p, &q);
++		RSA_get0_crt_params(k->rsa, &dmp1, &dmq1, &iqmp);
++
++		new_or_dup(d, nd);
++		new_or_dup(iqmp, niqmp);
++		new_or_dup(q, nq);
++		new_or_dup(p, np);
++		new_or_dup(dmq1, ndmq1);
++		new_or_dup(dmp1, ndmp1);
++
++		if (RSA_set0_key(k->rsa, NULL, NULL, nd) == 0)
++			goto error1;
++		nd = NULL;
++		if (RSA_set0_factors(k->rsa, np, nq) == 0)
++			goto error1;
++		np = nq = NULL;
++		if (RSA_set0_crt_params(k->rsa, ndmp1, ndmq1, niqmp) == 0) {
++error1:
++			BN_free(nd);
++			BN_free(np); BN_free(nq);
++			BN_free(ndmp1); BN_free(ndmq1); BN_free(niqmp);
++			return SSH_ERR_LIBCRYPTO_ERROR;
++		}
++		ndmp1 = ndmq1 = niqmp = NULL;
++		}
++#else
+ #define bn_maybe_alloc_failed(p) (p == NULL && (p = BN_new()) == NULL)
+ 		if (bn_maybe_alloc_failed(k->rsa->d) ||
+ 		    bn_maybe_alloc_failed(k->rsa->iqmp) ||
+@@ -544,13 +624,28 @@
+ 		    bn_maybe_alloc_failed(k->rsa->dmq1) ||
+ 		    bn_maybe_alloc_failed(k->rsa->dmp1))
+ 			return SSH_ERR_ALLOC_FAIL;
++#endif
+ 		break;
+ 	case KEY_DSA:
+ 	case KEY_DSA_CERT:
++#if OPENSSL_VERSION_NUMBER >= 0x10100000UL
++		{
++		const BIGNUM *priv_key;
++		BIGNUM *npriv_key;
++		DSA_get0_key(k->dsa, NULL, &priv_key);
++		new_or_dup(priv_key, npriv_key);
++		if (DSA_set0_key(k->dsa, NULL, npriv_key) == 0) {
++			BN_free(npriv_key);
++			return SSH_ERR_LIBCRYPTO_ERROR;
++		}
++		}
++#else
+ 		if (bn_maybe_alloc_failed(k->dsa->priv_key))
+ 			return SSH_ERR_ALLOC_FAIL;
++#endif
+ 		break;
+ #undef bn_maybe_alloc_failed
++#undef new_or_dup
+ 	case KEY_ECDSA:
+ 	case KEY_ECDSA_CERT:
+ 		/* Cannot do anything until we know the group */
+@@ -670,16 +765,34 @@
+ 	case KEY_RSA1:
+ 	case KEY_RSA_CERT:
+ 	case KEY_RSA:
+-		return a->rsa != NULL && b->rsa != NULL &&
+-		    BN_cmp(a->rsa->e, b->rsa->e) == 0 &&
+-		    BN_cmp(a->rsa->n, b->rsa->n) == 0;
++		{
++		const BIGNUM *a_e, *b_e, *a_n, *b_n;
++		const BIGNUM *a_d, *b_d;
++		if (a->rsa == NULL) return 0;
++		if (b->rsa == NULL) return 0;
++		RSA_get0_key(a->rsa, &a_n, &a_e, &a_d);
++		RSA_get0_key(b->rsa, &b_n, &b_e, &b_d);
++		return 
++		    BN_cmp(a_e, b_e) == 0 &&
++		    BN_cmp(a_n, b_n) == 0;
++		}
+ 	case KEY_DSA_CERT:
+ 	case KEY_DSA:
+-		return a->dsa != NULL && b->dsa != NULL &&
+-		    BN_cmp(a->dsa->p, b->dsa->p) == 0 &&
+-		    BN_cmp(a->dsa->q, b->dsa->q) == 0 &&
+-		    BN_cmp(a->dsa->g, b->dsa->g) == 0 &&
+-		    BN_cmp(a->dsa->pub_key, b->dsa->pub_key) == 0;
++		{
++		const BIGNUM *a_p, *a_q, *a_g, *a_pub_key;
++		const BIGNUM *b_p, *b_q, *b_g, *b_pub_key;
++		if (a->dsa == NULL) return 0;
++		if (b->dsa == NULL) return 0;
++		DSA_get0_pqg(a->dsa, &a_p, &a_q, &a_g);
++		DSA_get0_pqg(b->dsa, &b_p, &b_q, &b_g);
++		DSA_get0_key(a->dsa, &a_pub_key, NULL);
++		DSA_get0_key(b->dsa, &b_pub_key, NULL);
++		return 
++		    BN_cmp(a_p, b_p) == 0 &&
++		    BN_cmp(a_q, b_q) == 0 &&
++		    BN_cmp(a_g, b_g) == 0 &&
++		    BN_cmp(a_pub_key, b_pub_key) == 0;
++		}
+ # ifdef OPENSSL_HAS_ECC
+ 	case KEY_ECDSA_CERT:
+ 	case KEY_ECDSA:
+@@ -757,12 +870,17 @@
+ 	case KEY_DSA:
+ 		if (key->dsa == NULL)
+ 			return SSH_ERR_INVALID_ARGUMENT;
++		{
++		const BIGNUM *p, *q, *g, *pub_key;
++		DSA_get0_pqg(key->dsa, &p, &q, &g);
++		DSA_get0_key(key->dsa, &pub_key, NULL);
+ 		if ((ret = sshbuf_put_cstring(b, typename)) != 0 ||
+-		    (ret = sshbuf_put_bignum2(b, key->dsa->p)) != 0 ||
+-		    (ret = sshbuf_put_bignum2(b, key->dsa->q)) != 0 ||
+-		    (ret = sshbuf_put_bignum2(b, key->dsa->g)) != 0 ||
+-		    (ret = sshbuf_put_bignum2(b, key->dsa->pub_key)) != 0)
++		    (ret = sshbuf_put_bignum2(b, p)) != 0 ||
++		    (ret = sshbuf_put_bignum2(b, q)) != 0 ||
++		    (ret = sshbuf_put_bignum2(b, g)) != 0 ||
++		    (ret = sshbuf_put_bignum2(b, pub_key)) != 0)
+ 			return ret;
++		}
+ 		break;
+ # ifdef OPENSSL_HAS_ECC
+ 	case KEY_ECDSA:
+@@ -778,10 +896,14 @@
+ 	case KEY_RSA:
+ 		if (key->rsa == NULL)
+ 			return SSH_ERR_INVALID_ARGUMENT;
++		{
++		const BIGNUM *e, *n;
++		RSA_get0_key(key->rsa, &n, &e, NULL);
+ 		if ((ret = sshbuf_put_cstring(b, typename)) != 0 ||
+-		    (ret = sshbuf_put_bignum2(b, key->rsa->e)) != 0 ||
+-		    (ret = sshbuf_put_bignum2(b, key->rsa->n)) != 0)
++		    (ret = sshbuf_put_bignum2(b, e)) != 0 ||
++		    (ret = sshbuf_put_bignum2(b, n)) != 0)
+ 			return ret;
++		}
+ 		break;
+ #endif /* WITH_OPENSSL */
+ 	case KEY_ED25519:
+@@ -887,8 +1009,16 @@
+ 
+ 	if (k->type == KEY_RSA1) {
+ #ifdef WITH_OPENSSL
+-		int nlen = BN_num_bytes(k->rsa->n);
+-		int elen = BN_num_bytes(k->rsa->e);
++		int nlen, elen;
++#if OPENSSL_VERSION_NUMBER >= 0x10100000UL
++		const BIGNUM *n, *e;
++		RSA_get0_key(k->rsa, &n, &e, NULL);
++		nlen = BN_num_bytes(n);
++		elen = BN_num_bytes(e);
++#else
++		nlen = BN_num_bytes(k->rsa->n);
++		elen = BN_num_bytes(k->rsa->e);
++#endif
+ 
+ 		if (nlen < 0 || elen < 0 || nlen >= INT_MAX - elen) {
+ 			r = SSH_ERR_INVALID_FORMAT;
+@@ -899,8 +1029,13 @@
+ 			r = SSH_ERR_ALLOC_FAIL;
+ 			goto out;
+ 		}
++#if OPENSSL_VERSION_NUMBER >= 0x10100000UL
++		BN_bn2bin(n, blob);
++		BN_bn2bin(e, blob + nlen);
++#else
+ 		BN_bn2bin(k->rsa->n, blob);
+ 		BN_bn2bin(k->rsa->e, blob + nlen);
++#endif
+ #endif /* WITH_OPENSSL */
+ 	} else if ((r = to_blob(k, &blob, &blob_len, 1)) != 0)
+ 		goto out;
+@@ -1772,13 +1907,32 @@
+ 	case KEY_DSA_CERT:
+ 		if ((n = sshkey_new(k->type)) == NULL)
+ 			return SSH_ERR_ALLOC_FAIL;
+-		if ((BN_copy(n->dsa->p, k->dsa->p) == NULL) ||
+-		    (BN_copy(n->dsa->q, k->dsa->q) == NULL) ||
+-		    (BN_copy(n->dsa->g, k->dsa->g) == NULL) ||
+-		    (BN_copy(n->dsa->pub_key, k->dsa->pub_key) == NULL)) {
++		{
++		const BIGNUM *p, *q, *g, *pub_key, *priv_key;
++		BIGNUM *cp=NULL, *cq=NULL, *cg=NULL, *cpub_key=NULL;
++		DSA_get0_pqg(k->dsa, &p, &q, &g);
++		DSA_get0_key(k->dsa, &pub_key, &priv_key);
++		if ((cp = BN_dup(p)) == NULL ||
++		    (cq = BN_dup(q)) == NULL ||
++		    (cg = BN_dup(g)) == NULL ||
++		    (cpub_key = BN_dup(pub_key)) == NULL) {
++			BN_free(cp); BN_free(cq); BN_free(cg);
++			BN_free(cpub_key);
+ 			sshkey_free(n);
+ 			return SSH_ERR_ALLOC_FAIL;
+ 		}
++		if (DSA_set0_pqg(n->dsa, cp, cq, cg) == 0)
++			goto error1;
++		cp = cq = cg = NULL;
++		if (DSA_set0_key(n->dsa, cpub_key, NULL) == 0) {
++error1:
++			BN_free(cp); BN_free(cq); BN_free(cg);
++			BN_free(cpub_key);
++			sshkey_free(n);
++			return SSH_ERR_LIBCRYPTO_ERROR;
++		}
++		cpub_key = NULL;
++		}
+ 		break;
+ # ifdef OPENSSL_HAS_ECC
+ 	case KEY_ECDSA:
+@@ -1803,11 +1957,23 @@
+ 	case KEY_RSA_CERT:
+ 		if ((n = sshkey_new(k->type)) == NULL)
+ 			return SSH_ERR_ALLOC_FAIL;
+-		if ((BN_copy(n->rsa->n, k->rsa->n) == NULL) ||
+-		    (BN_copy(n->rsa->e, k->rsa->e) == NULL)) {
++		{
++		const BIGNUM *nn, *e, *d;
++		BIGNUM *cn=NULL, *ce=NULL;
++		RSA_get0_key(k->rsa, &nn, &e, &d);
++		if ((cn = BN_dup(nn)) == NULL ||
++		    (ce = BN_dup(e)) == NULL ) {
++			BN_free(cn); BN_free(ce);
+ 			sshkey_free(n);
+ 			return SSH_ERR_ALLOC_FAIL;
+ 		}
++		if (RSA_set0_key(n->rsa, cn, ce, NULL) == 0) {
++			BN_free(cn); BN_free(ce);
++			sshkey_free(n);
++			return SSH_ERR_LIBCRYPTO_ERROR;
++		}
++		cn = ce = NULL;
++		}
+ 		break;
+ #endif /* WITH_OPENSSL */
+ 	case KEY_ED25519:
+@@ -2004,11 +2170,26 @@
+ 			ret = SSH_ERR_ALLOC_FAIL;
+ 			goto out;
+ 		}
+-		if (sshbuf_get_bignum2(b, key->rsa->e) != 0 ||
+-		    sshbuf_get_bignum2(b, key->rsa->n) != 0) {
++		{
++		BIGNUM *e=NULL, *n=NULL;
++		if ((e = BN_new()) == NULL ||
++		    (n = BN_new()) == NULL ) {
++			ret = SSH_ERR_ALLOC_FAIL;
++			BN_free(e); BN_free(n);
++			goto out;
++		}
++		if (sshbuf_get_bignum2(b, e) != 0 ||
++		    sshbuf_get_bignum2(b, n) != 0) {
+ 			ret = SSH_ERR_INVALID_FORMAT;
++			BN_free(e); BN_free(n);
+ 			goto out;
+ 		}
++		if (RSA_set0_key(key->rsa, n, e, NULL) == 0) {
++			BN_free(e); BN_free(n);
++			return SSH_ERR_LIBCRYPTO_ERROR;
++		}
++		n = e = NULL;
++		}
+ #ifdef DEBUG_PK
+ 		RSA_print_fp(stderr, key->rsa, 8);
+ #endif
+@@ -2025,13 +2206,36 @@
+ 			ret = SSH_ERR_ALLOC_FAIL;
+ 			goto out;
+ 		}
+-		if (sshbuf_get_bignum2(b, key->dsa->p) != 0 ||
+-		    sshbuf_get_bignum2(b, key->dsa->q) != 0 ||
+-		    sshbuf_get_bignum2(b, key->dsa->g) != 0 ||
+-		    sshbuf_get_bignum2(b, key->dsa->pub_key) != 0) {
++		{
++		BIGNUM *p=NULL, *q=NULL, *g=NULL, *pub_key=NULL;
++		if ((p = BN_new()) == NULL ||
++		    (q = BN_new()) == NULL ||
++		    (g = BN_new()) == NULL ||
++		    (pub_key = BN_new()) == NULL) {
++			ret = SSH_ERR_ALLOC_FAIL;
++			goto error1;
++		}
++		if (sshbuf_get_bignum2(b, p) != 0 ||
++		    sshbuf_get_bignum2(b, q) != 0 ||
++		    sshbuf_get_bignum2(b, g) != 0 ||
++		    sshbuf_get_bignum2(b, pub_key) != 0) {
+ 			ret = SSH_ERR_INVALID_FORMAT;
++			goto error1;
++		}
++		if (DSA_set0_pqg(key->dsa, p, q, g) == 0) {
++			ret = SSH_ERR_LIBCRYPTO_ERROR;
++			goto error1;
++		}
++		p = q = g = NULL;
++		if (DSA_set0_key(key->dsa, pub_key, NULL) == 0) {
++			ret = SSH_ERR_LIBCRYPTO_ERROR;
++error1:
++			BN_free(p); BN_free(q); BN_free(g);
++			BN_free(pub_key);
+ 			goto out;
+ 		}
++		pub_key = NULL;
++		}
+ #ifdef DEBUG_PK
+ 		DSA_print_fp(stderr, key->dsa, 8);
+ #endif
+@@ -2271,26 +2475,63 @@
+ 		/* FALLTHROUGH */
+ 	case KEY_RSA1:
+ 	case KEY_RSA:
+-		if ((pk->rsa = RSA_new()) == NULL ||
+-		    (pk->rsa->e = BN_dup(k->rsa->e)) == NULL ||
+-		    (pk->rsa->n = BN_dup(k->rsa->n)) == NULL) {
++		if ((pk->rsa = RSA_new()) == NULL ){
++			ret = SSH_ERR_ALLOC_FAIL;
++			goto fail;
++			}
++		{
++		const BIGNUM *ke, *kn;
++		BIGNUM *pke=NULL, *pkn=NULL;
++		RSA_get0_key(k->rsa, &kn, &ke, NULL);
++		 if ((pke = BN_dup(ke)) == NULL ||
++		     (pkn = BN_dup(kn)) == NULL) {
+ 			ret = SSH_ERR_ALLOC_FAIL;
++			BN_free(pke); BN_free(pkn);
+ 			goto fail;
+ 			}
++		if (RSA_set0_key(pk->rsa, pkn, pke, NULL) == 0) {
++			ret = SSH_ERR_LIBCRYPTO_ERROR;
++			BN_free(pke); BN_free(pkn);
++			goto fail;
++		}
++		pkn = pke = NULL;
++		}
+ 		break;
+ 	case KEY_DSA_CERT:
+ 		if ((ret = sshkey_cert_copy(k, pk)) != 0)
+ 			goto fail;
+ 		/* FALLTHROUGH */
+ 	case KEY_DSA:
+-		if ((pk->dsa = DSA_new()) == NULL ||
+-		    (pk->dsa->p = BN_dup(k->dsa->p)) == NULL ||
+-		    (pk->dsa->q = BN_dup(k->dsa->q)) == NULL ||
+-		    (pk->dsa->g = BN_dup(k->dsa->g)) == NULL ||
+-		    (pk->dsa->pub_key = BN_dup(k->dsa->pub_key)) == NULL) {
++		if ((pk->dsa = DSA_new()) == NULL ) {
+ 			ret = SSH_ERR_ALLOC_FAIL;
+ 			goto fail;
+ 		}
++		{
++		const BIGNUM *kp, *kq, *kg, *kpub_key;
++		BIGNUM *pkp=NULL, *pkq=NULL, *pkg=NULL, *pkpub_key=NULL;
++		DSA_get0_pqg(k->dsa, &kp, &kq, &kg);
++		DSA_get0_key(k->dsa, &kpub_key, NULL);
++		if ((pkp = BN_dup(kp)) == NULL ||
++		    (pkq = BN_dup(kq)) == NULL ||
++		    (pkg = BN_dup(kg)) == NULL ||
++		    (pkpub_key = BN_dup(kpub_key)) == NULL) {
++			ret = SSH_ERR_ALLOC_FAIL;
++			goto error1;
++		}
++		if (DSA_set0_pqg(pk->dsa, pkp, pkq, pkg) == 0) {
++			ret = SSH_ERR_LIBCRYPTO_ERROR;
++			goto error1;
++		}
++		pkp = pkq = pkg = NULL;
++		if (DSA_set0_key(pk->dsa, pkpub_key, NULL) == 0) {
++			ret = SSH_ERR_LIBCRYPTO_ERROR;
++error1:
++			BN_free(pkp); BN_free(pkq); BN_free(pkg);
++			BN_free(pkpub_key);
++			goto fail;
++		}
++		pkpub_key = NULL;
++		}
+ 		break;
+ 	case KEY_ECDSA_CERT:
+ 		if ((ret = sshkey_cert_copy(k, pk)) != 0)
+@@ -2411,11 +2652,17 @@
+ 	switch (k->type) {
+ #ifdef WITH_OPENSSL
+ 	case KEY_DSA_CERT:
+-		if ((ret = sshbuf_put_bignum2(cert, k->dsa->p)) != 0 ||
+-		    (ret = sshbuf_put_bignum2(cert, k->dsa->q)) != 0 ||
+-		    (ret = sshbuf_put_bignum2(cert, k->dsa->g)) != 0 ||
+-		    (ret = sshbuf_put_bignum2(cert, k->dsa->pub_key)) != 0)
++		{
++		const BIGNUM *p, *q, *g, *pub_key;
++		DSA_get0_pqg(k->dsa, &p, &q, &g);
++		DSA_get0_key(k->dsa, &pub_key, NULL);
++		if ((ret = sshbuf_put_bignum2(cert, p)) != 0 ||
++		    (ret = sshbuf_put_bignum2(cert, q)) != 0 ||
++		    (ret = sshbuf_put_bignum2(cert, g)) != 0 ||
++		    (ret = sshbuf_put_bignum2(cert, pub_key)) != 0) {
+ 			goto out;
++		}
++		}
+ 		break;
+ # ifdef OPENSSL_HAS_ECC
+ 	case KEY_ECDSA_CERT:
+@@ -2428,9 +2675,15 @@
+ 		break;
+ # endif /* OPENSSL_HAS_ECC */
+ 	case KEY_RSA_CERT:
+-		if ((ret = sshbuf_put_bignum2(cert, k->rsa->e)) != 0 ||
+-		    (ret = sshbuf_put_bignum2(cert, k->rsa->n)) != 0)
++		{
++		const BIGNUM *e, *n;
++		RSA_get0_key(k->rsa, &n, &e, NULL);
++		if (n == NULL || e == NULL ||
++		    (ret = sshbuf_put_bignum2(cert, e)) != 0 ||
++		    (ret = sshbuf_put_bignum2(cert, n)) != 0) {
+ 			goto out;
++		}
++		}
+ 		break;
+ #endif /* WITH_OPENSSL */
+ 	case KEY_ED25519_CERT:
+@@ -2588,42 +2841,67 @@
+ 	switch (key->type) {
+ #ifdef WITH_OPENSSL
+ 	case KEY_RSA:
+-		if ((r = sshbuf_put_bignum2(b, key->rsa->n)) != 0 ||
+-		    (r = sshbuf_put_bignum2(b, key->rsa->e)) != 0 ||
+-		    (r = sshbuf_put_bignum2(b, key->rsa->d)) != 0 ||
+-		    (r = sshbuf_put_bignum2(b, key->rsa->iqmp)) != 0 ||
+-		    (r = sshbuf_put_bignum2(b, key->rsa->p)) != 0 ||
+-		    (r = sshbuf_put_bignum2(b, key->rsa->q)) != 0)
++		{
++		const BIGNUM *n, *e, *d, *iqmp, *p, *q;
++		RSA_get0_key(key->rsa, &n, &e, &d);
++		RSA_get0_crt_params(key->rsa, NULL, NULL, &iqmp);
++		RSA_get0_factors(key->rsa, &p, &q);
++		if ((r = sshbuf_put_bignum2(b, n)) != 0 ||
++		    (r = sshbuf_put_bignum2(b, e)) != 0 ||
++		    (r = sshbuf_put_bignum2(b, d)) != 0 ||
++		    (r = sshbuf_put_bignum2(b, iqmp)) != 0 ||
++		    (r = sshbuf_put_bignum2(b, p)) != 0 ||
++		    (r = sshbuf_put_bignum2(b, q)) != 0) {
+ 			goto out;
++		}
++		}
+ 		break;
+ 	case KEY_RSA_CERT:
+ 		if (key->cert == NULL || sshbuf_len(key->cert->certblob) == 0) {
+ 			r = SSH_ERR_INVALID_ARGUMENT;
+ 			goto out;
+ 		}
++		{
++		const BIGNUM *d, *iqmp, *p, *q;
++		RSA_get0_key(key->rsa, NULL, NULL, &d);
++		RSA_get0_crt_params(key->rsa, NULL, NULL, &iqmp);
++		RSA_get0_factors(key->rsa, &p, &q);
+ 		if ((r = sshbuf_put_stringb(b, key->cert->certblob)) != 0 ||
+-		    (r = sshbuf_put_bignum2(b, key->rsa->d)) != 0 ||
+-		    (r = sshbuf_put_bignum2(b, key->rsa->iqmp)) != 0 ||
+-		    (r = sshbuf_put_bignum2(b, key->rsa->p)) != 0 ||
+-		    (r = sshbuf_put_bignum2(b, key->rsa->q)) != 0)
++		    (r = sshbuf_put_bignum2(b, d)) != 0 ||
++		    (r = sshbuf_put_bignum2(b, iqmp)) != 0 ||
++		    (r = sshbuf_put_bignum2(b, p)) != 0 ||
++		    (r = sshbuf_put_bignum2(b, q)) != 0) {
+ 			goto out;
++		}
++		}
+ 		break;
+ 	case KEY_DSA:
+-		if ((r = sshbuf_put_bignum2(b, key->dsa->p)) != 0 ||
+-		    (r = sshbuf_put_bignum2(b, key->dsa->q)) != 0 ||
+-		    (r = sshbuf_put_bignum2(b, key->dsa->g)) != 0 ||
+-		    (r = sshbuf_put_bignum2(b, key->dsa->pub_key)) != 0 ||
+-		    (r = sshbuf_put_bignum2(b, key->dsa->priv_key)) != 0)
++		{
++		const BIGNUM *p, *q, *g, *pub_key, *priv_key;
++		DSA_get0_pqg(key->dsa, &p, &q, &g);
++		DSA_get0_key(key->dsa, &pub_key, &priv_key);
++		if ((r = sshbuf_put_bignum2(b, p)) != 0 ||
++		    (r = sshbuf_put_bignum2(b, q)) != 0 ||
++		    (r = sshbuf_put_bignum2(b, g)) != 0 ||
++		    (r = sshbuf_put_bignum2(b, pub_key)) != 0 ||
++		    (r = sshbuf_put_bignum2(b, priv_key)) != 0) {
+ 			goto out;
++		}
++		}
+ 		break;
+ 	case KEY_DSA_CERT:
+ 		if (key->cert == NULL || sshbuf_len(key->cert->certblob) == 0) {
+ 			r = SSH_ERR_INVALID_ARGUMENT;
+ 			goto out;
+ 		}
++		{
++		const BIGNUM *priv_key;
++		DSA_get0_key(key->dsa, NULL, &priv_key);
+ 		if ((r = sshbuf_put_stringb(b, key->cert->certblob)) != 0 ||
+-		    (r = sshbuf_put_bignum2(b, key->dsa->priv_key)) != 0)
++		    (r = sshbuf_put_bignum2(b, priv_key)) != 0) {
+ 			goto out;
++		}
++		}
+ 		break;
+ # ifdef OPENSSL_HAS_ECC
+ 	case KEY_ECDSA:
+@@ -2699,18 +2977,61 @@
+ 			r = SSH_ERR_ALLOC_FAIL;
+ 			goto out;
+ 		}
+-		if ((r = sshbuf_get_bignum2(buf, k->dsa->p)) != 0 ||
+-		    (r = sshbuf_get_bignum2(buf, k->dsa->q)) != 0 ||
+-		    (r = sshbuf_get_bignum2(buf, k->dsa->g)) != 0 ||
+-		    (r = sshbuf_get_bignum2(buf, k->dsa->pub_key)) != 0 ||
+-		    (r = sshbuf_get_bignum2(buf, k->dsa->priv_key)) != 0)
++		{
++		BIGNUM *p=NULL, *q=NULL, *g=NULL, *pub_key=NULL, *priv_key=NULL;
++		if ((p = BN_new()) == NULL ||
++		    (q = BN_new()) == NULL ||
++		    (g = BN_new()) == NULL ||
++		    (pub_key = BN_new()) == NULL ||
++		    (priv_key = BN_new()) == NULL) {
++			r = SSH_ERR_ALLOC_FAIL;
++			goto error1;
++		}
++		if (p == NULL || q == NULL || g == NULL ||
++		    pub_key == NULL || priv_key == NULL ||
++		    (r = sshbuf_get_bignum2(buf, p)) != 0 ||
++		    (r = sshbuf_get_bignum2(buf, q)) != 0 ||
++		    (r = sshbuf_get_bignum2(buf, g)) != 0 ||
++		    (r = sshbuf_get_bignum2(buf, pub_key)) != 0 ||
++		    (r = sshbuf_get_bignum2(buf, priv_key)) != 0) {
++			goto error1;
++		}
++		if (DSA_set0_pqg(k->dsa, p, q, g) == 0) {
++			r = SSH_ERR_LIBCRYPTO_ERROR;
++			goto error1;
++		}
++		p = q = g = NULL;
++		if (DSA_set0_key(k->dsa, pub_key, priv_key) == 0) {
++			r = SSH_ERR_LIBCRYPTO_ERROR;
++error1:
++			BN_free(p); BN_free(q); BN_free(g);
++			BN_free(pub_key); BN_free(priv_key);
+ 			goto out;
++		}
++		pub_key = priv_key = NULL;
++		}
+ 		break;
+ 	case KEY_DSA_CERT:
+-		if ((r = sshkey_froms(buf, &k)) != 0 ||
++		{
++		BIGNUM *priv_key=NULL;
++		if ((priv_key = BN_new()) == NULL) {
++			r = SSH_ERR_ALLOC_FAIL;
++			goto out;
++		}
++		if (priv_key == NULL ||
++		    (r = sshkey_froms(buf, &k)) != 0 ||
+ 		    (r = sshkey_add_private(k)) != 0 ||
+-		    (r = sshbuf_get_bignum2(buf, k->dsa->priv_key)) != 0)
++		    (r = sshbuf_get_bignum2(buf, priv_key)) != 0) {
++			BN_free(priv_key);
+ 			goto out;
++		}
++		if (DSA_set0_key(k->dsa, NULL, priv_key) == 0) {
++			r = SSH_ERR_LIBCRYPTO_ERROR;
++			BN_free(priv_key);
++			goto out;
++		}
++		priv_key = NULL;
++		}
+ 		break;
+ # ifdef OPENSSL_HAS_ECC
+ 	case KEY_ECDSA:
+@@ -2769,24 +3090,99 @@
+ 			r = SSH_ERR_ALLOC_FAIL;
+ 			goto out;
+ 		}
+-		if ((r = sshbuf_get_bignum2(buf, k->rsa->n)) != 0 ||
+-		    (r = sshbuf_get_bignum2(buf, k->rsa->e)) != 0 ||
+-		    (r = sshbuf_get_bignum2(buf, k->rsa->d)) != 0 ||
+-		    (r = sshbuf_get_bignum2(buf, k->rsa->iqmp)) != 0 ||
+-		    (r = sshbuf_get_bignum2(buf, k->rsa->p)) != 0 ||
+-		    (r = sshbuf_get_bignum2(buf, k->rsa->q)) != 0 ||
+-		    (r = rsa_generate_additional_parameters(k->rsa)) != 0)
++		{
++		BIGNUM *n=NULL, *e=NULL, *d=NULL, *iqmp=NULL, *p=NULL, *q=NULL;
++		BIGNUM *dmp1=NULL, *dmq1=NULL; /* dummy for RSA_set0_crt_params */
++		if ((n = BN_new()) == NULL ||
++		    (e = BN_new()) == NULL ||
++		    (d = BN_new()) == NULL ||
++		    (iqmp = BN_new()) == NULL ||
++		    (p = BN_new()) == NULL ||
++		    (q = BN_new()) == NULL ||
++		    (dmp1 = BN_new()) == NULL ||
++		    (dmq1 = BN_new()) == NULL) {
++			r = SSH_ERR_ALLOC_FAIL;
++			goto error2;
++		}
++		BN_clear(dmp1); BN_clear(dmq1);
++		if ((r = sshbuf_get_bignum2(buf, n)) != 0 ||
++		    (r = sshbuf_get_bignum2(buf, e)) != 0 ||
++		    (r = sshbuf_get_bignum2(buf, d)) != 0 ||
++		    (r = sshbuf_get_bignum2(buf, iqmp)) != 0 ||
++		    (r = sshbuf_get_bignum2(buf, p)) != 0 ||
++		    (r = sshbuf_get_bignum2(buf, q)) != 0) {
++			goto error2;
++		}
++		if (RSA_set0_key(k->rsa, n, e, d) == 0) {
++			r = SSH_ERR_LIBCRYPTO_ERROR;
++			goto error2;
++		}
++		n = e = d = NULL;
++		/* dmp1,dmpq1 should be non NULL to set iqmp value */
++		if (RSA_set0_crt_params(k->rsa, dmp1, dmq1, iqmp) == 0) {
++			r = SSH_ERR_LIBCRYPTO_ERROR;
++			goto error2;
++		}
++		dmp1 = dmq1 = iqmp = NULL;
++		if (RSA_set0_factors(k->rsa, p, q) == 0) {
++			r = SSH_ERR_LIBCRYPTO_ERROR;
++error2:
++			BN_free(n); BN_free(e); BN_free(d);
++			BN_free(iqmp);
++			BN_free(p); BN_free(q);
++			BN_free(dmp1); BN_free(dmq1);
+ 			goto out;
++		}
++		p = q = NULL;
++		if ((r = rsa_generate_additional_parameters(k->rsa)) != 0) {
++			goto out;
++		}
++		}
+ 		break;
+ 	case KEY_RSA_CERT:
++		{
++		BIGNUM *d=NULL, *iqmp=NULL, *p=NULL, *q=NULL;
++		BIGNUM *dmp1=NULL, *dmq1=NULL; /* dummy for RSA_set0_crt_params */
++		if ((d = BN_new()) == NULL ||
++		    (iqmp = BN_new()) == NULL ||
++		    (p = BN_new()) == NULL ||
++		    (q = BN_new()) == NULL ||
++		    (dmp1 = BN_new()) == NULL ||
++		    (dmq1 = BN_new()) == NULL) {
++			r = SSH_ERR_ALLOC_FAIL;
++			goto error3;
++		}
++		BN_clear(dmp1); BN_clear(dmq1);
+ 		if ((r = sshkey_froms(buf, &k)) != 0 ||
+ 		    (r = sshkey_add_private(k)) != 0 ||
+-		    (r = sshbuf_get_bignum2(buf, k->rsa->d)) != 0 ||
+-		    (r = sshbuf_get_bignum2(buf, k->rsa->iqmp)) != 0 ||
+-		    (r = sshbuf_get_bignum2(buf, k->rsa->p)) != 0 ||
+-		    (r = sshbuf_get_bignum2(buf, k->rsa->q)) != 0 ||
+-		    (r = rsa_generate_additional_parameters(k->rsa)) != 0)
++		    (r = sshbuf_get_bignum2(buf, d)) != 0 ||
++		    (r = sshbuf_get_bignum2(buf, iqmp)) != 0 ||
++		    (r = sshbuf_get_bignum2(buf, p)) != 0 ||
++		    (r = sshbuf_get_bignum2(buf, q)) != 0) {
++			goto error3;
++		}
++		if (RSA_set0_key(k->rsa, NULL, NULL, d) == 0) {
++			r = SSH_ERR_LIBCRYPTO_ERROR;
++			goto error3;
++		}
++		/* dmp1,dmpq1 should be non NULL to set value */
++		if (RSA_set0_crt_params(k->rsa, dmp1, dmq1, iqmp) == 0) {
++			r = SSH_ERR_LIBCRYPTO_ERROR;
++			goto error3;
++		}
++		dmp1 = dmq1 = iqmp = NULL;
++		if (RSA_set0_factors(k->rsa, p, q) == 0) {
++			r = SSH_ERR_LIBCRYPTO_ERROR;
++error3:
++			BN_free(d); BN_free(iqmp);
++			BN_free(p); BN_free(q);
++			BN_free(dmp1); BN_free(dmq1);
++			goto out;
++		}
++		p = q = NULL;
++		if ((r = rsa_generate_additional_parameters(k->rsa)) != 0)
+ 			goto out;
++		}
+ 		break;
+ #endif /* WITH_OPENSSL */
+ 	case KEY_ED25519:
+@@ -3593,7 +3989,7 @@
+ 	}
+ }
+ 
+-#ifdef WITH_SSH1
++#ifdef WITH_SSH1 /*{*/
+ /*
+  * Parse the public, unencrypted portion of a RSA1 key.
+  */
+@@ -3768,7 +4164,7 @@
+ 	sshbuf_free(decrypted);
+ 	return r;
+ }
+-#endif /* WITH_SSH1 */
++#endif /* } WITH_SSH1 */
+ 
+ #ifdef WITH_OPENSSL
+ static int
+@@ -3817,7 +4213,6 @@
+ 			case EVP_R_BAD_DECRYPT:
+ 				r = SSH_ERR_KEY_WRONG_PASSPHRASE;
+ 				goto out;
+-			case EVP_R_BN_DECODE_ERROR:
+ 			case EVP_R_DECODE_ERROR:
+ #ifdef EVP_R_PRIVATE_KEY_DECODE_ERROR
+ 			case EVP_R_PRIVATE_KEY_DECODE_ERROR:
+@@ -3835,7 +4230,7 @@
+ 		r = SSH_ERR_LIBCRYPTO_ERROR;
+ 		goto out;
+ 	}
+-	if (pk->type == EVP_PKEY_RSA &&
++	if (EVP_PKEY_id(pk) == EVP_PKEY_RSA &&
+ 	    (type == KEY_UNSPEC || type == KEY_RSA)) {
+ 		if ((prv = sshkey_new(KEY_UNSPEC)) == NULL) {
+ 			r = SSH_ERR_ALLOC_FAIL;
+@@ -3850,7 +4245,7 @@
+ 			r = SSH_ERR_LIBCRYPTO_ERROR;
+ 			goto out;
+ 		}
+-	} else if (pk->type == EVP_PKEY_DSA &&
++	} else if (EVP_PKEY_id(pk) == EVP_PKEY_DSA &&
+ 	    (type == KEY_UNSPEC || type == KEY_DSA)) {
+ 		if ((prv = sshkey_new(KEY_UNSPEC)) == NULL) {
+ 			r = SSH_ERR_ALLOC_FAIL;
+@@ -3862,7 +4257,7 @@
+ 		DSA_print_fp(stderr, prv->dsa, 8);
+ #endif
+ #ifdef OPENSSL_HAS_ECC
+-	} else if (pk->type == EVP_PKEY_EC &&
++	} else if (EVP_PKEY_id(pk) == EVP_PKEY_EC &&
+ 	    (type == KEY_UNSPEC || type == KEY_ECDSA)) {
+ 		if ((prv = sshkey_new(KEY_UNSPEC)) == NULL) {
+ 			r = SSH_ERR_ALLOC_FAIL;