--- /dev/null
+diff -Naur old/auth-pam.c new/auth-pam.c
+--- old/auth-pam.c 2017-10-03 21:49:05.363829772 -1000
++++ new/auth-pam.c 2017-10-03 21:55:50.869718862 -1000
+@@ -128,6 +128,10 @@
+ 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.c new/cipher.c
+--- old/cipher.c 2017-10-03 21:49:05.367162904 -1000
++++ new/cipher.c 2017-10-03 21:55:50.869718862 -1000
+@@ -297,7 +297,10 @@
+ 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;
+ }
+@@ -486,7 +489,7 @@
+ len, iv))
+ return SSH_ERR_LIBCRYPTO_ERROR;
+ } else
+- memcpy(iv, cc->evp->iv, len);
++ memcpy(iv, EVP_CIPHER_CTX_iv(cc->evp), len);
+ #endif
+ return 0;
+ }
+@@ -520,14 +523,19 @@
+ 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(cc->evp), iv, evplen);
+ #endif
+ return 0;
+ }
+
+ #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 2017-10-03 21:49:05.367162904 -1000
++++ new/cipher.h 2017-10-03 21:55:50.869718862 -1000
+@@ -46,7 +46,18 @@
+ #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
+
+ const struct sshcipher *cipher_by_name(const char *);
+ const char *cipher_warning_message(const struct sshcipher_ctx *);
+diff -Naur old/configure new/configure
+--- old/configure 2017-10-03 21:49:05.410493626 -1000
++++ new/configure 2017-10-03 22:01:49.159050540 -1000
+@@ -12688,7 +12688,6 @@
+ 100*) ;; # 1.0.x
+ 200*) ;; # LibreSSL
+ *)
+- as_fn_error $? "OpenSSL >= 1.1.0 is not yet supported (have \"$ssl_library_ver\")" "$LINENO" 5
+ ;;
+ esac
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ssl_library_ver" >&5
+diff -Naur old/dh.c new/dh.c
+--- old/dh.c 2017-10-03 21:49:05.370496037 -1000
++++ new/dh.c 2017-10-03 21:55:50.869718862 -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 2017-10-03 21:49:05.370496037 -1000
++++ new/dh.h 2017-10-03 21:55:50.869718862 -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 2017-10-03 21:49:05.370496037 -1000
++++ new/digest-openssl.c 2017-10-03 21:55:50.869718862 -1000
+@@ -43,7 +43,7 @@
+
+ struct ssh_digest_ctx {
+ int alg;
+- EVP_MD_CTX mdctx;
++ EVP_MD_CTX *mdctx;
+ };
+
+ struct ssh_digest {
+@@ -106,20 +106,21 @@
+ 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;
+ }
+@@ -132,7 +133,7 @@
+ 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;
+ }
+@@ -140,7 +141,7 @@
+ 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;
+ }
+@@ -161,7 +162,7 @@
+ 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;
+@@ -172,7 +173,7 @@
+ 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 2017-10-03 21:49:05.373829169 -1000
++++ new/kexdhc.c 2017-10-03 21:55:50.869718862 -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= ");
+@@ -169,6 +174,9 @@
+
+ /* 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,
+@@ -176,11 +184,13 @@
+ 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 2017-10-03 21:49:05.373829169 -1000
++++ new/kexdhs.c 2017-10-03 21:55:50.869718862 -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;
+ }
+
+@@ -163,6 +167,9 @@
+ 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,
+@@ -171,10 +178,12 @@
+ 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) {
+@@ -195,12 +204,17 @@
+ /* 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 2017-10-03 21:49:05.373829169 -1000
++++ new/kexgexc.c 2017-10-03 21:55:50.869718862 -1000
+@@ -118,11 +118,17 @@
+ 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);
+@@ -134,10 +140,12 @@
+ 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;
+ }
+
+@@ -214,6 +222,10 @@
+
+ /* 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,
+@@ -222,12 +234,14 @@
+ 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 2017-10-03 21:49:05.373829169 -1000
++++ new/kexgexs.c 2017-10-03 21:55:50.869718862 -1000
+@@ -101,11 +101,16 @@
+ 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)
+@@ -115,6 +120,10 @@
+ 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;
+ }
+
+@@ -191,6 +200,10 @@
+ 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,
+@@ -199,12 +212,14 @@
+ 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) {
+@@ -225,12 +240,17 @@
+ /* 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 2017-10-03 21:49:05.377162302 -1000
++++ new/monitor.c 2017-10-03 21:55:50.869718862 -1000
+@@ -586,10 +586,12 @@
+ 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 2017-10-03 21:49:05.397161097 -1000
++++ new/openbsd-compat/openssl-compat.c 2017-10-03 21:55:50.886387486 -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 2017-10-03 21:49:05.387161699 -1000
++++ new/regress/unittests/sshkey/test_file.c 2017-10-03 21:55:50.883053761 -1000
+@@ -60,9 +60,14 @@
+ 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);
+@@ -151,9 +156,14 @@
+ 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 2017-10-03 21:49:05.387161699 -1000
++++ new/regress/unittests/sshkey/test_sshkey.c 2017-10-03 21:55:50.883053761 -1000
+@@ -197,9 +197,14 @@
+ 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();
+
+@@ -207,8 +212,13 @@
+ 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();
+
+@@ -234,9 +244,14 @@
+ 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();
+@@ -245,8 +260,13 @@
+ 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();
+@@ -285,18 +305,28 @@
+ 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
+@@ -323,9 +353,14 @@
+ 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");
+@@ -339,8 +374,13 @@
+ 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/ssh-dss.c new/ssh-dss.c
+--- old/ssh-dss.c 2017-10-03 21:49:05.403827361 -1000
++++ new/ssh-dss.c 2017-10-03 21:55:50.869718862 -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 2017-10-03 21:49:05.403827361 -1000
++++ new/ssh-ecdsa.c 2017-10-03 21:55:50.869718862 -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 2017-10-03 21:49:05.403827361 -1000
++++ new/ssh-keygen.c 2017-10-03 21:55:50.869718862 -1000
+@@ -496,11 +496,33 @@
+
+ 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 ||
+@@ -517,16 +539,52 @@
+ 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 = ssh_rsa_generate_additional_parameters(key)) != 0)
+ fatal("generate RSA parameters failed: %s", ssh_err(r));
+ break;
+@@ -636,7 +694,7 @@
+ 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");
+@@ -660,7 +718,7 @@
+ #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 2017-10-03 21:49:05.403827361 -1000
++++ new/ssh-pkcs11-client.c 2017-10-03 21:55:50.869718862 -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 2017-10-03 21:49:05.403827361 -1000
++++ new/ssh-pkcs11.c 2017-10-03 21:55:50.869718862 -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) {
+ if ((key = sshkey_new(KEY_UNSPEC)) == NULL)
+ fatal("sshkey_new failed");
+@@ -555,6 +569,7 @@
+ } 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 2017-10-03 21:49:05.403827361 -1000
++++ new/ssh-rsa.c 2017-10-03 22:06:32.005937158 -1000
+@@ -99,13 +99,27 @@
+ }
+ rsa = key->rsa;
+
+- 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);
+@@ -136,7 +150,7 @@
+ if (key == NULL || key->rsa == NULL || hash_alg == -1 ||
+ sshkey_type_plain(key->type) != KEY_RSA)
+ return SSH_ERR_INVALID_ARGUMENT;
+- if (BN_num_bits(key->rsa->n) < SSH_RSA_MINIMUM_MODULUS_SIZE)
++ if (RSA_bits(key->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE)
+ return SSH_ERR_KEY_LENGTH;
+ slen = RSA_size(key->rsa);
+ if (slen <= 0 || slen > SSHBUF_MAX_BIGNUM)
+@@ -210,7 +224,7 @@
+ sshkey_type_plain(key->type) != KEY_RSA ||
+ sig == NULL || siglen == 0)
+ return SSH_ERR_INVALID_ARGUMENT;
+- if (BN_num_bits(key->rsa->n) < SSH_RSA_MINIMUM_MODULUS_SIZE)
++ if (RSA_bits(key->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE)
+ return SSH_ERR_KEY_LENGTH;
+
+ if ((b = sshbuf_from(sig, siglen)) == NULL)
+diff -Naur old/sshkey.c new/sshkey.c
+--- old/sshkey.c 2017-10-03 21:49:05.407160494 -1000
++++ new/sshkey.c 2017-10-03 22:16:31.124964276 -1000
+@@ -264,10 +264,18 @@
+ #ifdef WITH_OPENSSL
+ case KEY_RSA:
+ case KEY_RSA_CERT:
+- return BN_num_bits(k->rsa->n);
++#if OPENSSL_VERSION_NUMBER >= 0x10100000UL
++ return RSA_bits(k->rsa);
++#else
++ return RSA_bits(key->rsa);
++#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);
+@@ -466,28 +474,55 @@
+ #ifdef WITH_OPENSSL
+ 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:
+@@ -523,6 +558,51 @@
+ #ifdef WITH_OPENSSL
+ 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) ||
+@@ -531,13 +611,28 @@
+ 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 */
+@@ -655,16 +750,34 @@
+ #ifdef WITH_OPENSSL
+ 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:
+@@ -742,12 +855,17 @@
+ 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:
+@@ -763,10 +881,14 @@
+ 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:
+@@ -1643,13 +1765,32 @@
+ 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:
+@@ -1673,11 +1814,23 @@
+ 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:
+@@ -1875,12 +2028,27 @@
+ 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 (BN_num_bits(key->rsa->n) < SSH_RSA_MINIMUM_MODULUS_SIZE) {
++ if (RSA_set0_key(key->rsa, n, e, NULL) == 0) {
++ BN_free(e); BN_free(n);
++ return SSH_ERR_LIBCRYPTO_ERROR;
++ }
++ n = e = NULL;
++ }
++ if (RSA_bits(key->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE) {
+ ret = SSH_ERR_KEY_LENGTH;
+ goto out;
+ }
+@@ -1900,13 +2068,36 @@
+ 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
+@@ -2140,26 +2331,63 @@
+ goto fail;
+ /* FALLTHROUGH */
+ 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)
+@@ -2281,11 +2509,17 @@
+ 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:
+@@ -2298,9 +2532,15 @@
+ 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:
+@@ -2474,42 +2714,67 @@
+ 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:
+@@ -2585,18 +2850,61 @@
+ 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:
+@@ -2655,29 +2963,104 @@
+ 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 = ssh_rsa_generate_additional_parameters(k)) != 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 = ssh_rsa_generate_additional_parameters(k)) != 0) {
+ goto out;
+- if (BN_num_bits(k->rsa->n) < SSH_RSA_MINIMUM_MODULUS_SIZE) {
++ }
++ }
++ if (RSA_bits(k->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE) {
+ r = SSH_ERR_KEY_LENGTH;
+ 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 = ssh_rsa_generate_additional_parameters(k)) != 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;
+- if (BN_num_bits(k->rsa->n) < SSH_RSA_MINIMUM_MODULUS_SIZE) {
++ }
++ p = q = NULL;
++ if ((r = ssh_rsa_generate_additional_parameters(k)) != 0)
++ goto out;
++ }
++ if (RSA_bits(k->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE) {
+ r = SSH_ERR_KEY_LENGTH;
+ goto out;
+ }
+@@ -3395,7 +3778,6 @@
+ switch (pem_reason) {
+ case EVP_R_BAD_DECRYPT:
+ return SSH_ERR_KEY_WRONG_PASSPHRASE;
+- 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:
+@@ -3460,7 +3842,7 @@
+ r = convert_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;
+@@ -3475,11 +3857,11 @@
+ r = SSH_ERR_LIBCRYPTO_ERROR;
+ goto out;
+ }
+- if (BN_num_bits(prv->rsa->n) < SSH_RSA_MINIMUM_MODULUS_SIZE) {
++ if (RSA_bits(prv->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE) {
+ r = SSH_ERR_KEY_LENGTH;
+ 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;
+@@ -3491,7 +3873,7 @@
+ 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;
projects / ipfire-2.x.git / commitdiff
