diff -up openssh-6.2p1/authfile.c.fips openssh-6.2p1/authfile.c

--- openssh-6.2p1/authfile.c.fips	2013-03-27 13:14:49.164683482 +0100

+++ openssh-6.2p1/authfile.c	2013-03-27 13:14:49.177683431 +0100

@@ -148,8 +148,14 @@ key_private_rsa1_to_blob(Key *key, Buffe

 	/* Allocate space for the private part of the key in the buffer. */

 	cp = buffer_append_space(&encrypted, buffer_len(&buffer));

-	cipher_set_key_string(&ciphercontext, cipher, passphrase,

-	    CIPHER_ENCRYPT);

+	if (cipher_set_key_string(&ciphercontext, cipher, passphrase,

+	    CIPHER_ENCRYPT) < 0) {

+		error("cipher_set_key_string failed.");

+		buffer_free(&encrypted);

+		buffer_free(&buffer);

+		return 0;

+	}

+

 	cipher_crypt(&ciphercontext, cp,

 	    buffer_ptr(&buffer), buffer_len(&buffer), 0, 0);

 	cipher_cleanup(&ciphercontext);

@@ -472,8 +478,13 @@ key_parse_private_rsa1(Buffer *blob, con

 	cp = buffer_append_space(&decrypted, buffer_len(©);;

 	/* Rest of the buffer is encrypted.  Decrypt it using the passphrase. */

-	cipher_set_key_string(&ciphercontext, cipher, passphrase,

-	    CIPHER_DECRYPT);

+	if (cipher_set_key_string(&ciphercontext, cipher, passphrase,

+	    CIPHER_DECRYPT) < 0) {

+		error("cipher_set_key_string failed.");

+		buffer_free(&decrypted);

+		goto fail;

+	}

+

 	cipher_crypt(&ciphercontext, cp,

 	    buffer_ptr(&copy), buffer_len(&copy), 0, 0);

 	cipher_cleanup(&ciphercontext);

diff -up openssh-6.2p1/cipher.c.fips openssh-6.2p1/cipher.c

--- openssh-6.2p1/cipher.c.fips	2013-03-27 13:14:49.087683788 +0100

+++ openssh-6.2p1/cipher.c	2013-03-27 13:14:49.177683431 +0100

@@ -40,6 +40,7 @@

 #include <sys/types.h>

 #include <openssl/md5.h>

+#include <openssl/fips.h>

 #include <string.h>

 #include <stdarg.h>

@@ -89,6 +90,27 @@ struct Cipher ciphers[] = {

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

 };

+struct Cipher fips_ciphers[] = {

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

+	{ "3des",		SSH_CIPHER_3DES, 8, 16, 0, 0, 0, 1, evp_ssh1_3des },

+

+	{ "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_128_ctr },

+	{ "aes256-ctr",		SSH_CIPHER_SSH2, 16, 32, 0, 0, 0, 0, EVP_aes_128_ctr },

+#ifdef OPENSSL_HAVE_EVPGCM

+	{ "aes128-gcm@openssh.com",

+			SSH_CIPHER_SSH2, 16, 16, 12, 16, 0, 0, EVP_aes_128_gcm },

+	{ "aes256-gcm@openssh.com",

+			SSH_CIPHER_SSH2, 16, 32, 12, 16, 0, 0, EVP_aes_256_gcm },

+#endif

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

+};

 /*--*/

 u_int

@@ -143,7 +165,7 @@ Cipher *

 cipher_by_name(const char *name)

 {

 	Cipher *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;

@@ -153,7 +175,7 @@ Cipher *

 cipher_by_number(int id)

 {

 	Cipher *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;

@@ -197,7 +219,7 @@ cipher_number(const char *name)

 	Cipher *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;

@@ -356,14 +378,15 @@ cipher_cleanup(CipherContext *cc)

  * passphrase and using the resulting 16 bytes as the key.

  */

-void

+int

 cipher_set_key_string(CipherContext *cc, Cipher *cipher,

     const char *passphrase, int do_encrypt)

 {

 	MD5_CTX md;

 	u_char digest[16];

-	MD5_Init(&md);

+	if (MD5_Init(&md) <= 0)

+		return -1;

 	MD5_Update(&md, (const u_char *)passphrase, strlen(passphrase));

 	MD5_Final(digest, &md);

@@ -371,6 +394,7 @@ cipher_set_key_string(CipherContext *cc,

 	memset(digest, 0, sizeof(digest));

 	memset(&md, 0, sizeof(md));

+	return 0;

 }

 /*

diff -up openssh-6.2p1/cipher-ctr.c.fips openssh-6.2p1/cipher-ctr.c

--- openssh-6.2p1/cipher-ctr.c.fips	2013-01-20 12:31:30.000000000 +0100

+++ openssh-6.2p1/cipher-ctr.c	2013-03-27 13:14:49.177683431 +0100

@@ -138,7 +138,8 @@ 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-6.2p1/cipher.h.fips openssh-6.2p1/cipher.h

--- openssh-6.2p1/cipher.h.fips	2013-03-27 13:14:49.088683784 +0100

+++ openssh-6.2p1/cipher.h	2013-03-27 13:14:49.177683431 +0100

@@ -91,7 +91,7 @@ void	 cipher_init(CipherContext *, Ciphe

 void	 cipher_crypt(CipherContext *, u_char *, const u_char *,

     u_int, u_int, u_int);

 void	 cipher_cleanup(CipherContext *);

-void	 cipher_set_key_string(CipherContext *, Cipher *, const char *, int);

+int	 cipher_set_key_string(CipherContext *, Cipher *, const char *, int);

 u_int	 cipher_blocksize(const Cipher *);

 u_int	 cipher_keylen(const Cipher *);

 u_int	 cipher_authlen(const Cipher *);

diff -up openssh-6.2p1/key.c.fips openssh-6.2p1/key.c

--- openssh-6.2p1/key.c.fips	2013-03-27 13:14:49.100683736 +0100

+++ openssh-6.2p1/key.c	2013-03-27 13:14:49.178683427 +0100

@@ -40,6 +40,7 @@

 #include <sys/types.h>

 #include <openssl/evp.h>

+#include <openssl/fips.h>

 #include <openbsd-compat/openssl-compat.h>

 #include <stdarg.h>

@@ -607,9 +608,13 @@ key_fingerprint_selection(void)

 	char *env;

 	if (!rv_defined) {

-		env = getenv("SSH_FINGERPRINT_TYPE");

-		rv = (env && !strcmp (env, "sha")) ?

-			SSH_FP_SHA1 : SSH_FP_MD5;

+		if (FIPS_mode())

+			rv = SSH_FP_SHA1;

+		else {

+			env = getenv("SSH_FINGERPRINT_TYPE");

+			rv = (env && !strcmp (env, "sha")) ?

+				SSH_FP_SHA1 : SSH_FP_MD5;

+		}

 		rv_defined = 1;

 	}

 	return rv;

diff -up openssh-6.2p1/mac.c.fips openssh-6.2p1/mac.c

--- openssh-6.2p1/mac.c.fips	2013-03-27 13:14:49.093683764 +0100

+++ openssh-6.2p1/mac.c	2013-03-27 13:16:33.524266158 +0100

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

 #include <sys/types.h>

 #include <openssl/hmac.h>

+#include <openssl/fips.h>

 #include <stdarg.h>

 #include <string.h>

@@ -50,7 +51,7 @@

 #define SSH_UMAC	2	/* UMAC (not integrated with OpenSSL) */

 #define SSH_UMAC128	3

-struct {

+struct Macs {

 	char		*name;

 	int		type;

 	const EVP_MD *	(*mdfunc)(void);

@@ -58,7 +59,9 @@ struct {

 	int		key_len;	/* just for UMAC */

 	int		len;		/* just for UMAC */

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

-} macs[] = {

+};

+

+struct Macs all_macs[] = {

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

 	{ "hmac-sha1",				SSH_EVP, EVP_sha1, 0, 0, 0, 0 },

 	{ "hmac-sha1-96",			SSH_EVP, EVP_sha1, 96, 0, 0, 0 },

@@ -89,9 +92,19 @@ struct {

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

 };

+struct Macs fips_macs[] = {

+	{ "hmac-sha1",			SSH_EVP, EVP_sha1, 0, 0, 0, 0 },

+#ifdef HAVE_EVP_SHA256

+	{ "hmac-sha2-256",		SSH_EVP, EVP_sha256, 0, 0, 0, 0 },

+	{ "hmac-sha2-512",		SSH_EVP, EVP_sha512, 0, 0, 0, 0 },

+#endif

+	{ NULL,				0, NULL, 0, -1, -1 }

+};

+

 static void

 mac_setup_by_id(Mac *mac, int which)

 {

+	struct Macs *macs = FIPS_mode() ? fips_macs : all_macs;

 	int evp_len;

 	mac->type = macs[which].type;

 	if (mac->type == SSH_EVP) {

@@ -113,6 +126,7 @@ int

 mac_setup(Mac *mac, char *name)

 {

 	int i;

+	struct Macs *macs = FIPS_mode() ? fips_macs : all_macs;

 	for (i = 0; macs[i].name; i++) {

 		if (strcmp(name, macs[i].name) == 0) {

diff -up openssh-6.2p1/Makefile.in.fips openssh-6.2p1/Makefile.in

--- openssh-6.2p1/Makefile.in.fips	2013-03-27 13:14:49.155683518 +0100

+++ openssh-6.2p1/Makefile.in	2013-03-27 13:14:49.178683427 +0100

@@ -145,25 +145,25 @@ 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 roaming_dummy.o readconf.o

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

+	$(LD) -o $@ ssh-keysign.o readconf.o roaming_dummy.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)

@@ -175,7 +175,7 @@ ssh-keycat$(EXEEXT): $(LIBCOMPAT) libssh

 	$(LD) -o $@ ssh-keycat.o $(LDFLAGS) -lssh -lopenbsd-compat -lssh -lfipscheck $(SSHDLIBS)

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

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

+	$(LD) -o $@ ssh-keyscan.o roaming_dummy.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-6.2p1/myproposal.h.fips openssh-6.2p1/myproposal.h

--- openssh-6.2p1/myproposal.h.fips	2013-01-09 06:12:19.000000000 +0100

+++ openssh-6.2p1/myproposal.h	2013-03-27 13:14:49.178683427 +0100

@@ -106,6 +106,19 @@

 #define	KEX_DEFAULT_COMP	"none,zlib@openssh.com,zlib"

 #define	KEX_DEFAULT_LANG	""

+#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_FIPS_MAC \

+	"hmac-sha1," \

+	"hmac-sha2-256," \

+	"hmac-sha2-512"

+#else

+#define	KEX_FIPS_MAC \

+	"hmac-sha1"

+#endif

 static char *myproposal[PROPOSAL_MAX] = {

 	KEX_DEFAULT_KEX,

diff -up openssh-6.2p1/openbsd-compat/bsd-arc4random.c.fips openssh-6.2p1/openbsd-compat/bsd-arc4random.c

--- openssh-6.2p1/openbsd-compat/bsd-arc4random.c.fips	2010-03-25 22:52:02.000000000 +0100

+++ openssh-6.2p1/openbsd-compat/bsd-arc4random.c	2013-03-27 13:14:49.179683423 +0100

@@ -37,25 +37,18 @@

 #define REKEY_BYTES	(1 << 24)

 static int rc4_ready = 0;

-static RC4_KEY rc4;

 unsigned int

 arc4random(void)

 {

 	unsigned int r = 0;

-	static int first_time = 1;

+	void *rp = &r;

-	if (rc4_ready <= 0) {

-		if (first_time)

-			seed_rng();

-		first_time = 0;

+	if (!rc4_ready) {

 		arc4random_stir();

 	}

+	RAND_bytes(rp, sizeof(r));

-	RC4(&rc4, sizeof(r), (unsigned char *)&r, (unsigned char *)&r);

-

-	rc4_ready -= sizeof(r);

-	

 	return(r);

 }

@@ -63,24 +56,11 @@ void

 arc4random_stir(void)

 {

 	unsigned char rand_buf[SEED_SIZE];

-	int i;

-	memset(&rc4, 0, sizeof(rc4));

 	if (RAND_bytes(rand_buf, sizeof(rand_buf)) <= 0)

 		fatal("Couldn't obtain random bytes (error %ld)",

 		    ERR_get_error());

-	RC4_set_key(&rc4, sizeof(rand_buf), rand_buf);

-

-	/*

-	 * Discard early keystream, as per recommendations in:

-	 * http://www.wisdom.weizmann.ac.il/~itsik/RC4/Papers/Rc4_ksa.ps

-	 */

-	for(i = 0; i <= 256; i += sizeof(rand_buf))

-		RC4(&rc4, sizeof(rand_buf), rand_buf, rand_buf);

-

-	memset(rand_buf, 0, sizeof(rand_buf));

-

-	rc4_ready = REKEY_BYTES;

+	rc4_ready = 1;

 }

 #endif /* !HAVE_ARC4RANDOM */

diff -up openssh-6.2p2/ssh.c.fips openssh-6.2p2/ssh.c

--- openssh-6.2p2/ssh.c.fips	2013-04-05 02:22:36.000000000 +0200

+++ openssh-6.2p2/ssh.c	2013-10-08 17:21:26.894761211 +0200

@@ -73,6 +73,8 @@

 #include <openssl/evp.h>

 #include <openssl/err.h>

+#include <openssl/fips.h>

+#include <fipscheck.h>

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

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

@@ -253,6 +255,13 @@ 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 */

@@ -329,6 +338,9 @@ main(int ac, char **av)

 	    "ACD:F:I:KL:MNO:PR: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':

@@ -628,7 +640,6 @@ main(int ac, char **av)

 	if (!host)

 		usage();

-	OpenSSL_add_all_algorithms();

 	ERR_load_crypto_strings();

 	/* Initialize the command to execute on remote host. */

@@ -719,6 +730,10 @@ main(int ac, char **av)

 	seed_rng();

+	if (FIPS_mode()) {

+		logit("FIPS mode initialized");

+	}

+

 	if (options.user == NULL)

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

@@ -787,6 +802,12 @@ 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, &hostaddr, options.port,

 	    options.address_family, options.connection_attempts, &timeout_ms,

diff -up openssh-6.2p1/sshconnect2.c.fips openssh-6.2p1/sshconnect2.c

--- openssh-6.2p1/sshconnect2.c.fips	2013-03-27 13:14:49.066683871 +0100

+++ openssh-6.2p1/sshconnect2.c	2013-03-27 13:14:49.179683423 +0100

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

 #include <vis.h>

 #endif

+#include <openssl/fips.h>

+

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

 #include "xmalloc.h"

@@ -170,6 +172,10 @@ ssh_kex2(char *host, struct sockaddr *ho

 	if (options.ciphers != NULL) {

 		myproposal[PROPOSAL_ENC_ALGS_CTOS] =

 		myproposal[PROPOSAL_ENC_ALGS_STOC] = options.ciphers;

+	} else if (FIPS_mode()) {

+		myproposal[PROPOSAL_ENC_ALGS_CTOS] =

+		myproposal[PROPOSAL_ENC_ALGS_STOC] = KEX_FIPS_ENCRYPT;

+

 	}

 	myproposal[PROPOSAL_ENC_ALGS_CTOS] =

 	    compat_cipher_proposal(myproposal[PROPOSAL_ENC_ALGS_CTOS]);

@@ -185,7 +191,11 @@ ssh_kex2(char *host, struct sockaddr *ho

 	if (options.macs != NULL) {

 		myproposal[PROPOSAL_MAC_ALGS_CTOS] =

 		myproposal[PROPOSAL_MAC_ALGS_STOC] = options.macs;

+	} else if (FIPS_mode()) {

+		myproposal[PROPOSAL_MAC_ALGS_CTOS] =

+		myproposal[PROPOSAL_MAC_ALGS_STOC] = KEX_FIPS_MAC;

 	}

+

 	if (options.hostkeyalgorithms != NULL)

 		myproposal[PROPOSAL_SERVER_HOST_KEY_ALGS] =

 		    options.hostkeyalgorithms;

diff -up openssh-6.2p2/sshd.c.fips openssh-6.2p2/sshd.c

--- openssh-6.2p2/sshd.c.fips	2013-10-08 17:14:05.455864248 +0200

+++ openssh-6.2p2/sshd.c	2013-10-08 17:22:15.897527827 +0200

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

 #include <openssl/bn.h>

 #include <openssl/md5.h>

 #include <openssl/rand.h>

+#include <openssl/fips.h>

+#include <fipscheck.h>

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

 #ifdef HAVE_SECUREWARE

@@ -1423,6 +1425,14 @@ 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))

+			if (FIPS_mode())

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

+			else

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

+

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

 	saved_argc = ac;

 	rexec_argc = ac;

@@ -1571,8 +1581,6 @@ main(int ac, char **av)

 	else

 		closefrom(REEXEC_DEVCRYPTO_RESERVED_FD);

-	OpenSSL_add_all_algorithms();

-

 	/*

 	 * Force logging to stderr until we have loaded the private host

 	 * key (unless started from inetd)

@@ -1715,6 +1723,10 @@ main(int ac, char **av)

 		debug("private host key: #%d type %d %s", i, key->type,

 		    key_type(key));

 	}

+	if ((options.protocol & SSH_PROTO_1) && FIPS_mode()) {

+		logit("Disabling protocol version 1. Not allowed in the FIPS mode.");

+		options.protocol &= ~SSH_PROTO_1;

+	}

 	if ((options.protocol & SSH_PROTO_1) && !sensitive_data.have_ssh1_key) {

 		logit("Disabling protocol version 1. Could not load host key");

 		options.protocol &= ~SSH_PROTO_1;

@@ -1878,6 +1890,10 @@ main(int ac, char **av)

 	/* Initialize the random number generator. */

 	arc4random_stir();

+	if (FIPS_mode()) {

+		logit("FIPS mode initialized");

+	}

+

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

 	   unmounted if desired. */

 	(void) chdir("/");

@@ -2420,6 +2436,9 @@ do_ssh2_kex(void)

 	if (options.ciphers != NULL) {

 		myproposal[PROPOSAL_ENC_ALGS_CTOS] =

 		myproposal[PROPOSAL_ENC_ALGS_STOC] = options.ciphers;

+	} else if (FIPS_mode()) {

+		myproposal[PROPOSAL_ENC_ALGS_CTOS] =

+		myproposal[PROPOSAL_ENC_ALGS_STOC] = KEX_FIPS_ENCRYPT;

 	}

 	myproposal[PROPOSAL_ENC_ALGS_CTOS] =

 	    compat_cipher_proposal(myproposal[PROPOSAL_ENC_ALGS_CTOS]);

@@ -2429,6 +2448,9 @@ do_ssh2_kex(void)

 	if (options.macs != NULL) {

 		myproposal[PROPOSAL_MAC_ALGS_CTOS] =

 		myproposal[PROPOSAL_MAC_ALGS_STOC] = options.macs;

+	} else if (FIPS_mode()) {

+		myproposal[PROPOSAL_MAC_ALGS_CTOS] =

+		myproposal[PROPOSAL_MAC_ALGS_STOC] = KEX_FIPS_MAC;

 	}

 	if (options.compression == COMP_NONE) {

 		myproposal[PROPOSAL_COMP_ALGS_CTOS] =