diff -up openssh-7.4p1/cipher.c.fips openssh-7.4p1/cipher.c

--- openssh-7.4p1/cipher.c.fips	2016-12-23 16:37:49.290741582 +0100

+++ openssh-7.4p1/cipher.c	2016-12-23 16:37:49.300741586 +0100

@@ -39,6 +39,8 @@

 #include <sys/types.h>

+#include <openssl/fips.h>

+

 #include <string.h>

 #include <stdarg.h>

 #include <stdio.h>

@@ -116,6 +118,20 @@ static const struct sshcipher ciphers[]

 	{ NULL,		SSH_CIPHER_INVALID, 0, 0, 0, 0, 0, 0, NULL }

 };

+static const struct sshcipher fips_ciphers[] = {

+	{ "none",	SSH_CIPHER_NONE, 8, 0, 0, 0, 0, 0, EVP_enc_null },

+	{ "3des-cbc",	SSH_CIPHER_SSH2, 8, 24, 0, 0, 0, 1, EVP_des_ede3_cbc },

+	{ "aes128-cbc",	SSH_CIPHER_SSH2, 16, 16, 0, 0, 0, 1, EVP_aes_128_cbc },

+	{ "aes192-cbc",	SSH_CIPHER_SSH2, 16, 24, 0, 0, 0, 1, EVP_aes_192_cbc },

+	{ "aes256-cbc",	SSH_CIPHER_SSH2, 16, 32, 0, 0, 0, 1, EVP_aes_256_cbc },

+	{ "rijndael-cbc@lysator.liu.se",

+			SSH_CIPHER_SSH2, 16, 32, 0, 0, 0, 1, EVP_aes_256_cbc },

+	{ "aes128-ctr",	SSH_CIPHER_SSH2, 16, 16, 0, 0, 0, 0, EVP_aes_128_ctr },

+	{ "aes192-ctr",	SSH_CIPHER_SSH2, 16, 24, 0, 0, 0, 0, EVP_aes_192_ctr },

+	{ "aes256-ctr",	SSH_CIPHER_SSH2, 16, 32, 0, 0, 0, 0, EVP_aes_256_ctr },

+	{ NULL,		SSH_CIPHER_INVALID, 0, 0, 0, 0, 0, 0, NULL }

+};

+

 /*--*/

 /* Returns a comma-separated list of supported ciphers. */

@@ -126,7 +142,7 @@ cipher_alg_list(char sep, int auth_only)

 	size_t nlen, rlen = 0;

 	const struct sshcipher *c;

-	for (c = ciphers; c->name != NULL; c++) {

+	for (c = FIPS_mode() ? fips_ciphers : ciphers; c->name != NULL; c++) {

 		if (c->number != SSH_CIPHER_SSH2)

 			continue;

 		if (auth_only && c->auth_len == 0)

@@ -222,7 +238,7 @@ const struct sshcipher *

 cipher_by_name(const char *name)

 {

 	const struct sshcipher *c;

-	for (c = ciphers; c->name != NULL; c++)

+	for (c = FIPS_mode() ? fips_ciphers : ciphers; c->name != NULL; c++)

 		if (strcmp(c->name, name) == 0)

 			return c;

 	return NULL;

@@ -232,7 +248,7 @@ const struct sshcipher *

 cipher_by_number(int id)

 {

 	const struct sshcipher *c;

-	for (c = ciphers; c->name != NULL; c++)

+	for (c = FIPS_mode() ? fips_ciphers : ciphers; c->name != NULL; c++)

 		if (c->number == id)

 			return c;

 	return NULL;

@@ -273,7 +289,7 @@ cipher_number(const char *name)

 	const struct sshcipher *c;

 	if (name == NULL)

 		return -1;

-	for (c = ciphers; c->name != NULL; c++)

+	for (c = FIPS_mode() ? fips_ciphers : ciphers; c->name != NULL; c++)

 		if (strcasecmp(c->name, name) == 0)

 			return c->number;

 	return -1;

diff -up openssh-7.4p1/cipher-ctr.c.fips openssh-7.4p1/cipher-ctr.c

--- openssh-7.4p1/cipher-ctr.c.fips	2016-12-23 16:37:49.225741551 +0100

+++ openssh-7.4p1/cipher-ctr.c	2016-12-23 16:37:49.297741585 +0100

@@ -179,7 +179,8 @@ evp_aes_128_ctr(void)

 	aes_ctr.do_cipher = ssh_aes_ctr;

 #ifndef SSH_OLD_EVP

 	aes_ctr.flags = EVP_CIPH_CBC_MODE | EVP_CIPH_VARIABLE_LENGTH |

-	    EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CUSTOM_IV;

+	    EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CUSTOM_IV |

+	    EVP_CIPH_FLAG_FIPS;

 #endif

 	return (&aes_ctr);

 }

diff -up openssh-7.4p1/dh.h.fips openssh-7.4p1/dh.h

--- openssh-7.4p1/dh.h.fips	2016-12-19 05:59:41.000000000 +0100

+++ openssh-7.4p1/dh.h	2016-12-23 16:37:49.297741585 +0100

@@ -51,6 +51,7 @@ u_int	 dh_estimate(int);

  * Miniumum increased in light of DH precomputation attacks.

  */

 #define DH_GRP_MIN	2048

+#define DH_GRP_MIN_FIPS	2048

 #define DH_GRP_MAX	8192

 /*

diff -up openssh-7.4p1/entropy.c.fips openssh-7.4p1/entropy.c

--- openssh-7.4p1/entropy.c.fips	2016-12-23 16:37:49.219741548 +0100

+++ openssh-7.4p1/entropy.c	2016-12-23 16:37:49.297741585 +0100

@@ -217,6 +217,9 @@ seed_rng(void)

 		fatal("OpenSSL version mismatch. Built against %lx, you "

 		    "have %lx", (u_long)OPENSSL_VERSION_NUMBER, SSLeay());

+	/* clean the PRNG status when exiting the program */

+	atexit(RAND_cleanup);

+

 #ifndef OPENSSL_PRNG_ONLY

 	if (RAND_status() == 1) {

 		debug3("RNG is ready, skipping seeding");

diff -up openssh-7.4p1/kex.c.fips openssh-7.4p1/kex.c

--- openssh-7.4p1/kex.c.fips	2016-12-23 16:37:49.290741582 +0100

+++ openssh-7.4p1/kex.c	2016-12-23 16:37:49.300741586 +0100

@@ -35,6 +35,7 @@

 #ifdef WITH_OPENSSL

 #include <openssl/crypto.h>

 #include <openssl/dh.h>

+#include <openssl/fips.h>

 #endif

 #include "ssh2.h"

@@ -125,6 +126,26 @@ static const struct kexalg kexalgs[] = {

 	{ NULL, -1, -1, -1},

 };

+static const struct kexalg kexalgs_fips[] = {

+	{ KEX_DH14_SHA256, KEX_DH_GRP14_SHA256, 0, SSH_DIGEST_SHA256 },

+	{ KEX_DH16_SHA512, KEX_DH_GRP16_SHA512, 0, SSH_DIGEST_SHA512 },

+	{ KEX_DH18_SHA512, KEX_DH_GRP18_SHA512, 0, SSH_DIGEST_SHA512 },

+#ifdef HAVE_EVP_SHA256

+	{ KEX_DHGEX_SHA256, KEX_DH_GEX_SHA256, 0, SSH_DIGEST_SHA256 },

+#endif

+#ifdef OPENSSL_HAS_ECC

+	{ KEX_ECDH_SHA2_NISTP256, KEX_ECDH_SHA2,

+	    NID_X9_62_prime256v1, SSH_DIGEST_SHA256 },

+	{ KEX_ECDH_SHA2_NISTP384, KEX_ECDH_SHA2, NID_secp384r1,

+	    SSH_DIGEST_SHA384 },

+# ifdef OPENSSL_HAS_NISTP521

+	{ KEX_ECDH_SHA2_NISTP521, KEX_ECDH_SHA2, NID_secp521r1,

+	    SSH_DIGEST_SHA512 },

+# endif

+#endif

+	{ NULL, -1, -1, -1},

+};

+

 char *

 kex_alg_list(char sep)

 {

@@ -152,7 +170,7 @@ kex_alg_by_name(const char *name)

 {

 	const struct kexalg *k;

-	for (k = kexalgs; k->name != NULL; k++) {

+	for (k = (FIPS_mode() ? kexalgs_fips : kexalgs); k->name != NULL; k++) {

 		if (strcmp(k->name, name) == 0)

 			return k;

 #ifdef GSSAPI

@@ -178,7 +196,10 @@ kex_names_valid(const char *names)

 	for ((p = strsep(&cp, ",")); p && *p != '\0';

 	    (p = strsep(&cp, ","))) {

 		if (kex_alg_by_name(p) == NULL) {

-			error("Unsupported KEX algorithm \"%.100s\"", p);

+			if (FIPS_mode())

+				error("\"%.100s\" is not allowed in FIPS mode", p);

+			else

+				error("Unsupported KEX algorithm \"%.100s\"", p);

 			free(s);

 			return 0;

 		}

diff -up openssh-7.4p1/kexgexc.c.fips openssh-7.4p1/kexgexc.c

--- openssh-7.4p1/kexgexc.c.fips	2016-12-19 05:59:41.000000000 +0100

+++ openssh-7.4p1/kexgexc.c	2016-12-23 16:38:38.727763540 +0100

@@ -28,6 +28,7 @@

 #ifdef WITH_OPENSSL

+#include <openssl/fips.h>

 #include <sys/types.h>

 #include <openssl/dh.h>

@@ -63,7 +64,7 @@ kexgex_client(struct ssh *ssh)

 	nbits = dh_estimate(kex->dh_need * 8);

-	kex->min = DH_GRP_MIN;

+	kex->min = FIPS_mode() ? DH_GRP_MIN_FIPS : DH_GRP_MIN;

 	kex->max = DH_GRP_MAX;

 	kex->nbits = nbits;

 	if (datafellows & SSH_BUG_DHGEX_LARGE)

diff -up openssh-7.4p1/kexgexs.c.fips openssh-7.4p1/kexgexs.c

--- openssh-7.4p1/kexgexs.c.fips	2016-12-23 16:37:49.297741585 +0100

+++ openssh-7.4p1/kexgexs.c	2016-12-23 16:39:35.009776626 +0100

@@ -83,9 +83,9 @@ input_kex_dh_gex_request(int type, u_int

 	kex->nbits = nbits;

 	kex->min = min;

 	kex->max = max;

-	min = MAXIMUM(DH_GRP_MIN, min);

+	min = MAXIMUM(FIPS_mode() ? DH_GRP_MIN_FIPS : DH_GRP_MIN, min);

 	max = MINIMUM(DH_GRP_MAX, max);

-	nbits = MAXIMUM(DH_GRP_MIN, nbits);

+	nbits = MAXIMUM(FIPS_mode() ? DH_GRP_MIN_FIPS : DH_GRP_MIN, nbits);

 	nbits = MINIMUM(DH_GRP_MAX, nbits);

 	if (kex->max < kex->min || kex->nbits < kex->min ||

diff -up openssh-7.4p1/mac.c.fips openssh-7.4p1/mac.c

--- openssh-7.4p1/mac.c.fips	2016-12-23 16:37:49.291741582 +0100

+++ openssh-7.4p1/mac.c	2016-12-23 16:37:49.298741585 +0100

@@ -27,6 +27,8 @@

 #include <sys/types.h>

+#include <openssl/fips.h>

+

 #include <string.h>

 #include <stdio.h>

@@ -54,7 +56,7 @@ struct macalg {

 	int		etm;		/* Encrypt-then-MAC */

 };

-static const struct macalg macs[] = {

+static const struct macalg all_macs[] = {

 	/* Encrypt-and-MAC (encrypt-and-authenticate) variants */

 	{ "hmac-sha1",				SSH_DIGEST, SSH_DIGEST_SHA1, 0, 0, 0, 0 },

 	{ "hmac-sha1-96",			SSH_DIGEST, SSH_DIGEST_SHA1, 96, 0, 0, 0 },

@@ -89,6 +91,24 @@ static const struct macalg macs[] = {

 	{ NULL,					0, 0, 0, 0, 0, 0 }

 };

+static const struct macalg fips_macs[] = {

+	/* Encrypt-and-MAC (encrypt-and-authenticate) variants */

+	{ "hmac-sha1",				SSH_DIGEST, SSH_DIGEST_SHA1, 0, 0, 0, 0 },

+#ifdef HAVE_EVP_SHA256

+	{ "hmac-sha2-256",			SSH_DIGEST, SSH_DIGEST_SHA256, 0, 0, 0, 0 },

+	{ "hmac-sha2-512",			SSH_DIGEST, SSH_DIGEST_SHA512, 0, 0, 0, 0 },

+#endif

+

+	/* Encrypt-then-MAC variants */

+	{ "hmac-sha1-etm@openssh.com",		SSH_DIGEST, SSH_DIGEST_SHA1, 0, 0, 0, 1 },

+#ifdef HAVE_EVP_SHA256

+	{ "hmac-sha2-256-etm@openssh.com",	SSH_DIGEST, SSH_DIGEST_SHA256, 0, 0, 0, 1 },

+	{ "hmac-sha2-512-etm@openssh.com",	SSH_DIGEST, SSH_DIGEST_SHA512, 0, 0, 0, 1 },

+#endif

+

+	{ NULL,					0, 0, 0, 0, 0, 0 }

+};

+

 /* Returns a list of supported MACs separated by the specified char. */

 char *

 mac_alg_list(char sep)

@@ -97,7 +117,7 @@ mac_alg_list(char sep)

 	size_t nlen, rlen = 0;

 	const struct macalg *m;

-	for (m = macs; m->name != NULL; m++) {

+	for (m = FIPS_mode() ? fips_macs : all_macs; m->name != NULL; m++) {

 		if (ret != NULL)

 			ret[rlen++] = sep;

 		nlen = strlen(m->name);

@@ -136,7 +156,7 @@ mac_setup(struct sshmac *mac, char *name

 {

 	const struct macalg *m;

-	for (m = macs; m->name != NULL; m++) {

+	for (m = FIPS_mode() ? fips_macs : all_macs; m->name != NULL; m++) {

 		if (strcmp(name, m->name) != 0)

 			continue;

 		if (mac != NULL)

diff -up openssh-7.4p1/Makefile.in.fips openssh-7.4p1/Makefile.in

--- openssh-7.4p1/Makefile.in.fips	2016-12-23 16:37:49.291741582 +0100

+++ openssh-7.4p1/Makefile.in	2016-12-23 16:37:49.298741585 +0100

@@ -169,25 +169,25 @@ libssh.a: $(LIBSSH_OBJS)

 	$(RANLIB) $@

 ssh$(EXEEXT): $(LIBCOMPAT) libssh.a $(SSHOBJS)

-	$(LD) -o $@ $(SSHOBJS) $(LDFLAGS) -lssh -lopenbsd-compat $(SSHLIBS) $(LIBS) $(GSSLIBS)

+	$(LD) -o $@ $(SSHOBJS) $(LDFLAGS) -lssh -lopenbsd-compat -lfipscheck $(SSHLIBS) $(LIBS) $(GSSLIBS)

 sshd$(EXEEXT): libssh.a	$(LIBCOMPAT) $(SSHDOBJS)

-	$(LD) -o $@ $(SSHDOBJS) $(LDFLAGS) -lssh -lopenbsd-compat $(SSHDLIBS) $(LIBS) $(GSSLIBS) $(K5LIBS)

+	$(LD) -o $@ $(SSHDOBJS) $(LDFLAGS) -lssh -lopenbsd-compat -lfipscheck $(SSHDLIBS) $(LIBS) $(GSSLIBS) $(K5LIBS)

 scp$(EXEEXT): $(LIBCOMPAT) libssh.a scp.o progressmeter.o

 	$(LD) -o $@ scp.o progressmeter.o bufaux.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)

 ssh-add$(EXEEXT): $(LIBCOMPAT) libssh.a ssh-add.o

-	$(LD) -o $@ ssh-add.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)

+	$(LD) -o $@ ssh-add.o $(LDFLAGS) -lssh -lopenbsd-compat -lfipscheck $(LIBS)

 ssh-agent$(EXEEXT): $(LIBCOMPAT) libssh.a ssh-agent.o ssh-pkcs11-client.o

-	$(LD) -o $@ ssh-agent.o ssh-pkcs11-client.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)

+	$(LD) -o $@ ssh-agent.o ssh-pkcs11-client.o $(LDFLAGS) -lssh -lopenbsd-compat -lfipscheck $(LIBS)

 ssh-keygen$(EXEEXT): $(LIBCOMPAT) libssh.a ssh-keygen.o

-	$(LD) -o $@ ssh-keygen.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)

+	$(LD) -o $@ ssh-keygen.o $(LDFLAGS) -lssh -lopenbsd-compat -lfipscheck $(LIBS)

 ssh-keysign$(EXEEXT): $(LIBCOMPAT) libssh.a ssh-keysign.o readconf.o

-	$(LD) -o $@ ssh-keysign.o readconf.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)

+	$(LD) -o $@ ssh-keysign.o readconf.o $(LDFLAGS) -lssh -lopenbsd-compat -lfipscheck $(LIBS)

 ssh-pkcs11-helper$(EXEEXT): $(LIBCOMPAT) libssh.a ssh-pkcs11-helper.o ssh-pkcs11.o

 	$(LD) -o $@ ssh-pkcs11-helper.o ssh-pkcs11.o $(LDFLAGS) -lssh -lopenbsd-compat -lssh -lopenbsd-compat $(LIBS)

@@ -205,7 +205,7 @@ ssh-cavs$(EXEEXT): $(LIBCOMPAT) libssh.a

 	$(LD) -o $@ ssh-cavs.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)

 ssh-keyscan$(EXEEXT): $(LIBCOMPAT) libssh.a ssh-keyscan.o

-	$(LD) -o $@ ssh-keyscan.o $(LDFLAGS) -lssh -lopenbsd-compat -lssh $(LIBS)

+	$(LD) -o $@ ssh-keyscan.o $(LDFLAGS) -lssh -lopenbsd-compat -lssh -lfipscheck $(LIBS)

 sftp-server$(EXEEXT): $(LIBCOMPAT) libssh.a sftp.o sftp-common.o sftp-server.o sftp-server-main.o

 	$(LD) -o $@ sftp-server.o sftp-common.o sftp-server-main.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)

diff -up openssh-7.4p1/myproposal.h.fips openssh-7.4p1/myproposal.h

--- openssh-7.4p1/myproposal.h.fips	2016-12-19 05:59:41.000000000 +0100

+++ openssh-7.4p1/myproposal.h	2016-12-23 16:37:49.300741586 +0100

@@ -138,6 +138,37 @@

 #define KEX_CLIENT_MAC KEX_SERVER_MAC

+#define	KEX_FIPS_ENCRYPT \

+	"aes128-ctr,aes192-ctr,aes256-ctr," \

+	"aes128-cbc,3des-cbc," \

+	"aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se"

+#ifdef HAVE_EVP_SHA256

+# define KEX_DEFAULT_KEX_FIPS		\

+	KEX_ECDH_METHODS \

+	KEX_SHA2_METHODS \

+	"diffie-hellman-group14-sha256"

+# define KEX_FIPS_MAC \

+	"hmac-sha1," \

+	"hmac-sha2-256," \

+	"hmac-sha2-512," \

+	"hmac-sha1-etm@openssh.com," \

+	"hmac-sha2-256-etm@openssh.com," \

+	"hmac-sha2-512-etm@openssh.com"

+#else

+# ifdef OPENSSL_HAS_NISTP521

+#  define KEX_DEFAULT_KEX_FIPS		\

+	"ecdh-sha2-nistp256," \

+	"ecdh-sha2-nistp384," \

+	"ecdh-sha2-nistp521"

+# else

+#  define KEX_DEFAULT_KEX_FIPS		\

+	"ecdh-sha2-nistp256," \

+	"ecdh-sha2-nistp384"

+# endif

+#define        KEX_FIPS_MAC \

+       "hmac-sha1"

+#endif

+

 #else /* WITH_OPENSSL */

 #define KEX_SERVER_KEX		\

diff -up openssh-7.4p1/pam_ssh_agent_auth-0.10.3/pam_user_key_allowed2.c.fips openssh-7.4p1/pam_ssh_agent_auth-0.10.3/pam_user_key_allowed2.c

--- openssh-7.4p1/pam_ssh_agent_auth-0.10.3/pam_user_key_allowed2.c.fips	2016-12-23 16:37:49.185741531 +0100

+++ openssh-7.4p1/pam_ssh_agent_auth-0.10.3/pam_user_key_allowed2.c	2016-12-23 16:37:49.300741586 +0100

@@ -55,6 +55,7 @@

 #include "secure_filename.h"

 #include "uidswap.h"

 #include <unistd.h>

+#include <openssl/crypto.h>

 #include "identity.h"

@@ -104,7 +105,8 @@ pamsshagentauth_check_authkeys_file(FILE

             found_key = 1;

             logit("matching key found: file/command %s, line %lu", file,

                                   linenum);

-            fp = sshkey_fingerprint(found, SSH_DIGEST_MD5, SSH_FP_HEX);

+            fp = sshkey_fingerprint(found, FIPS_mode() ? SSH_DIGEST_SHA1 : SSH_DIGEST_MD5,

+				SSH_FP_HEX);

             logit("Found matching %s key: %s",

                                   key_type(found), fp);

             free(fp);

diff -up openssh-7.4p1/readconf.c.fips openssh-7.4p1/readconf.c

--- openssh-7.4p1/readconf.c.fips	2016-12-23 16:37:49.274741574 +0100

+++ openssh-7.4p1/readconf.c	2016-12-23 16:37:49.298741585 +0100

@@ -2110,9 +2110,12 @@ fill_default_options(Options * options)

 	}

 	if (options->update_hostkeys == -1)

 		options->update_hostkeys = 0;

-	if (kex_assemble_names(KEX_CLIENT_ENCRYPT, &options->ciphers) != 0 ||

-	    kex_assemble_names(KEX_CLIENT_MAC, &options->macs) != 0 ||

-	    kex_assemble_names(KEX_CLIENT_KEX, &options->kex_algorithms) != 0 ||

+	if (kex_assemble_names((FIPS_mode() ? KEX_FIPS_ENCRYPT

+	        : KEX_CLIENT_ENCRYPT), &options->ciphers) != 0 ||

+	    kex_assemble_names((FIPS_mode() ? KEX_FIPS_MAC

+	        : KEX_CLIENT_MAC), &options->macs) != 0 ||

+	    kex_assemble_names((FIPS_mode() ? KEX_DEFAULT_KEX_FIPS

+	        : KEX_CLIENT_KEX), &options->kex_algorithms) != 0 ||

 	    kex_assemble_names(KEX_DEFAULT_PK_ALG,

 	    &options->hostbased_key_types) != 0 ||

 	    kex_assemble_names(KEX_DEFAULT_PK_ALG,

diff -up openssh-7.4p1/sandbox-seccomp-filter.c.fips openssh-7.4p1/sandbox-seccomp-filter.c

--- openssh-7.4p1/sandbox-seccomp-filter.c.fips	2016-12-23 16:37:49.292741583 +0100

+++ openssh-7.4p1/sandbox-seccomp-filter.c	2016-12-23 16:37:49.300741586 +0100

@@ -118,6 +118,9 @@ static const struct sock_filter preauth_

 #ifdef __NR_open

 	SC_DENY(__NR_open, EACCES),

 #endif

+#ifdef __NR_socket

+	SC_DENY(__NR_socket, EACCES),

+#endif

 #ifdef __NR_openat

 	SC_DENY(__NR_openat, EACCES),

 #endif

diff -up openssh-7.4p1/servconf.c.fips openssh-7.4p1/servconf.c

--- openssh-7.4p1/servconf.c.fips	2016-12-23 16:37:49.285741579 +0100

+++ openssh-7.4p1/servconf.c	2016-12-23 16:37:49.299741586 +0100

@@ -185,9 +185,12 @@ option_clear_or_none(const char *o)

 static void

 assemble_algorithms(ServerOptions *o)

 {

-	if (kex_assemble_names(KEX_SERVER_ENCRYPT, &o->ciphers) != 0 ||

-	    kex_assemble_names(KEX_SERVER_MAC, &o->macs) != 0 ||

-	    kex_assemble_names(KEX_SERVER_KEX, &o->kex_algorithms) != 0 ||

+	if (kex_assemble_names((FIPS_mode() ? KEX_FIPS_ENCRYPT

+	        : KEX_SERVER_ENCRYPT), &o->ciphers) != 0 ||

+	    kex_assemble_names((FIPS_mode() ? KEX_FIPS_MAC

+	        : KEX_SERVER_MAC), &o->macs) != 0 ||

+	    kex_assemble_names((FIPS_mode() ? KEX_DEFAULT_KEX_FIPS

+	        : KEX_SERVER_KEX), &o->kex_algorithms) != 0 ||

 	    kex_assemble_names(KEX_DEFAULT_PK_ALG,

 	    &o->hostkeyalgorithms) != 0 ||

 	    kex_assemble_names(KEX_DEFAULT_PK_ALG,

@@ -2390,8 +2393,10 @@ dump_config(ServerOptions *o)

 	/* string arguments */

 	dump_cfg_string(sPidFile, o->pid_file);

 	dump_cfg_string(sXAuthLocation, o->xauth_location);

-	dump_cfg_string(sCiphers, o->ciphers ? o->ciphers : KEX_SERVER_ENCRYPT);

-	dump_cfg_string(sMacs, o->macs ? o->macs : KEX_SERVER_MAC);

+	dump_cfg_string(sCiphers, o->ciphers ? o->ciphers : FIPS_mode()

+		? KEX_FIPS_ENCRYPT : KEX_SERVER_ENCRYPT);

+	dump_cfg_string(sMacs, o->macs ? o->macs : FIPS_mode()

+		? KEX_FIPS_MAC : KEX_SERVER_MAC);

 	dump_cfg_string(sBanner, o->banner != NULL ? o->banner : "none");

 	dump_cfg_string(sForceCommand, o->adm_forced_command);

 	dump_cfg_string(sChrootDirectory, o->chroot_directory);

@@ -2406,8 +2411,8 @@ dump_config(ServerOptions *o)

 	dump_cfg_string(sAuthorizedPrincipalsCommand, o->authorized_principals_command);

 	dump_cfg_string(sAuthorizedPrincipalsCommandUser, o->authorized_principals_command_user);

 	dump_cfg_string(sHostKeyAgent, o->host_key_agent);

-	dump_cfg_string(sKexAlgorithms,

-	    o->kex_algorithms ? o->kex_algorithms : KEX_SERVER_KEX);

+	dump_cfg_string(sKexAlgorithms, o->kex_algorithms ? o->kex_algorithms :

+		FIPS_mode() ? KEX_DEFAULT_KEX_FIPS : KEX_SERVER_KEX);

 	dump_cfg_string(sHostbasedAcceptedKeyTypes, o->hostbased_key_types ?

 	    o->hostbased_key_types : KEX_DEFAULT_PK_ALG);

 	dump_cfg_string(sHostKeyAlgorithms, o->hostkeyalgorithms ?

diff -up openssh-7.4p1/ssh.c.fips openssh-7.4p1/ssh.c

--- openssh-7.4p1/ssh.c.fips	2016-12-19 05:59:41.000000000 +0100

+++ openssh-7.4p1/ssh.c	2016-12-23 16:37:49.299741586 +0100

@@ -76,6 +76,8 @@

 #include <openssl/evp.h>

 #include <openssl/err.h>

 #endif

+#include <openssl/fips.h>

+#include <fipscheck.h>

 #include "openbsd-compat/openssl-compat.h"

 #include "openbsd-compat/sys-queue.h"

@@ -530,6 +532,14 @@ main(int ac, char **av)

 	sanitise_stdfd();

 	__progname = ssh_get_progname(av[0]);

+        SSLeay_add_all_algorithms();

+	if (access("/etc/system-fips", F_OK) == 0)

+		if (! FIPSCHECK_verify(NULL, NULL)){

+			if (FIPS_mode())

+				fatal("FIPS integrity verification test failed.");

+			else

+				logit("FIPS integrity verification test failed.");

+	}

 #ifndef HAVE_SETPROCTITLE

 	/* Prepare for later setproctitle emulation */

@@ -609,6 +619,9 @@ main(int ac, char **av)

 	    "ACD:E:F:GI:J:KL:MNO:PQ:R:S:TVw:W:XYy")) != -1) {

 		switch (opt) {

 		case '1':

+			if (FIPS_mode()) {

+				fatal("Protocol 1 not allowed in the FIPS mode.");

+			}

 			options.protocol = SSH_PROTO_1;

 			break;

 		case '2':

@@ -964,7 +977,6 @@ main(int ac, char **av)

 	host_arg = xstrdup(host);

 #ifdef WITH_OPENSSL

-	OpenSSL_add_all_algorithms();

 	ERR_load_crypto_strings();

 #endif

@@ -1175,6 +1187,10 @@ main(int ac, char **av)

 	seed_rng();

+	if (FIPS_mode()) {

+		logit("FIPS mode initialized");

+	}

+

 	if (options.user == NULL)

 		options.user = xstrdup(pw->pw_name);

@@ -1263,6 +1279,12 @@ main(int ac, char **av)

 	timeout_ms = options.connection_timeout * 1000;

+	if (FIPS_mode()) {

+		options.protocol &= SSH_PROTO_2;

+		if (options.protocol == 0)

+			fatal("Protocol 2 disabled by configuration but required in the FIPS mode.");

+	}

+

 	/* Open a connection to the remote host. */

 	if (ssh_connect(host, addrs, &hostaddr, options.port,

 	    options.address_family, options.connection_attempts,

diff -up openssh-7.4p1/sshconnect2.c.fips openssh-7.4p1/sshconnect2.c

--- openssh-7.4p1/sshconnect2.c.fips	2016-12-23 16:37:49.275741574 +0100

+++ openssh-7.4p1/sshconnect2.c	2016-12-23 16:37:49.299741586 +0100

@@ -44,6 +44,8 @@

 #include <vis.h>

 #endif

+#include <openssl/fips.h>

+

 #include "openbsd-compat/sys-queue.h"

 #include "xmalloc.h"

@@ -172,21 +174,26 @@ ssh_kex2(char *host, struct sockaddr *ho

 #ifdef GSSAPI

 	if (options.gss_keyex) {

-		/* Add the GSSAPI mechanisms currently supported on this 

-		 * client to the key exchange algorithm proposal */

-		orig = options.kex_algorithms;

-

-		if (options.gss_trust_dns)

-			gss_host = (char *)get_canonical_hostname(active_state, 1);

-		else

-			gss_host = host;

-

-		gss = ssh_gssapi_client_mechanisms(gss_host,

-		    options.gss_client_identity, options.gss_kex_algorithms);

-		if (gss) {

-			debug("Offering GSSAPI proposal: %s", gss);

-			xasprintf(&options.kex_algorithms,

-			    "%s,%s", gss, orig);

+		if (FIPS_mode()) {

+			logit("Disabling GSSAPIKeyExchange. Not usable in FIPS mode");

+			options.gss_keyex = 0;

+		} else {

+			/* Add the GSSAPI mechanisms currently supported on this

+			 * client to the key exchange algorithm proposal */

+			orig = options.kex_algorithms;

+

+			if (options.gss_trust_dns)

+				gss_host = (char *)get_canonical_hostname(active_state, 1);

+			else

+				gss_host = host;

+

+			gss = ssh_gssapi_client_mechanisms(gss_host,

+			    options.gss_client_identity, options.gss_kex_algorithms);

+			if (gss) {

+				debug("Offering GSSAPI proposal: %s", gss);

+				xasprintf(&options.kex_algorithms,

+				    "%s,%s", gss, orig);

+			}

 		}

 	}

 #endif

diff -up openssh-7.4p1/sshd.c.fips openssh-7.4p1/sshd.c

--- openssh-7.4p1/sshd.c.fips	2016-12-23 16:37:49.293741583 +0100

+++ openssh-7.4p1/sshd.c	2016-12-23 16:37:49.299741586 +0100

@@ -66,6 +66,7 @@

 #include <grp.h>

 #include <pwd.h>

 #include <signal.h>

+#include <syslog.h>

 #include <stdarg.h>

 #include <stdio.h>

 #include <stdlib.h>

@@ -77,6 +78,8 @@

 #include <openssl/dh.h>

 #include <openssl/bn.h>

 #include <openssl/rand.h>

+#include <openssl/fips.h>

+#include <fipscheck.h>

 #include "openbsd-compat/openssl-compat.h"

 #endif

@@ -1475,6 +1478,18 @@ main(int ac, char **av)

 #endif

 	__progname = ssh_get_progname(av[0]);

+        SSLeay_add_all_algorithms();

+	if (access("/etc/system-fips", F_OK) == 0)

+		if (! FIPSCHECK_verify(NULL, NULL)) {

+			openlog(__progname, LOG_PID, LOG_AUTHPRIV);

+			if (FIPS_mode()) {

+				syslog(LOG_CRIT, "FIPS integrity verification test failed.");

+				cleanup_exit(255);

+			}

+			else

+				syslog(LOG_INFO, "FIPS integrity verification test failed.");

+			closelog();

+		}

 	/* Save argv. Duplicate so setproctitle emulation doesn't clobber it */

 	saved_argc = ac;

 	rexec_argc = ac;

@@ -1623,7 +1638,7 @@ main(int ac, char **av)

 	else

 		closefrom(REEXEC_DEVCRYPTO_RESERVED_FD);

-#ifdef WITH_OPENSSL

+#if 0 /* FIPS */

 	OpenSSL_add_all_algorithms();

 #endif

@@ -1937,6 +1952,10 @@ main(int ac, char **av)

 	/* Reinitialize the log (because of the fork above). */

 	log_init(__progname, options.log_level, options.log_facility, log_stderr);

+	if (FIPS_mode()) {

+		logit("FIPS mode initialized");

+	}

+

 	/* Chdir to the root directory so that the current disk can be

 	   unmounted if desired. */

 	if (chdir("/") == -1)

@@ -2309,10 +2328,14 @@ do_ssh2_kex(void)

 	if (strlen(myproposal[PROPOSAL_SERVER_HOST_KEY_ALGS]) == 0)

 		orig = NULL;

-	if (options.gss_keyex)

-		gss = ssh_gssapi_server_mechanisms();

-	else

-		gss = NULL;

+	if (options.gss_keyex) {

+		if (FIPS_mode()) {

+			logit("Disabling GSSAPIKeyExchange. Not usable in FIPS mode");

+			options.gss_keyex = 0;

+		} else {

+			gss = ssh_gssapi_server_mechanisms();

+		}

+	}

 	if (gss && orig)

 		xasprintf(&newstr, "%s,%s", gss, orig);

diff -up openssh-7.4p1/sshkey.c.fips openssh-7.4p1/sshkey.c

--- openssh-7.4p1/sshkey.c.fips	2016-12-23 16:37:49.293741583 +0100

+++ openssh-7.4p1/sshkey.c	2016-12-23 16:37:49.300741586 +0100

@@ -34,6 +34,7 @@

 #include <openssl/evp.h>

 #include <openssl/err.h>

 #include <openssl/pem.h>

+#include <openssl/fips.h>

 #endif

 #include "crypto_api.h"

@@ -56,6 +57,7 @@

 #include "digest.h"

 #define SSHKEY_INTERNAL

 #include "sshkey.h"

+#include "log.h"

 #include "match.h"

 #include "xmalloc.h"

@@ -1580,6 +1582,8 @@ rsa_generate_private_key(u_int bits, RSA

 	}

 	if (!BN_set_word(f4, RSA_F4) ||

 	    !RSA_generate_key_ex(private, bits, f4, NULL)) {

+			if (FIPS_mode())

+				logit("%s: the key length might be unsupported by FIPS mode approved key generation method", __func__);

 		ret = SSH_ERR_LIBCRYPTO_ERROR;

 		goto out;

 	}