diff -up openssh-6.8p1/Makefile.in.kdf-cavs openssh-6.8p1/Makefile.in

--- openssh-6.8p1/Makefile.in.kdf-cavs	2015-03-18 11:23:46.346049359 +0100

+++ openssh-6.8p1/Makefile.in	2015-03-18 11:24:20.395968445 +0100

@@ -29,6 +29,7 @@ SSH_LDAP_HELPER=$(libexecdir)/ssh-ldap-h

 SSH_LDAP_WRAPPER=$(libexecdir)/ssh-ldap-wrapper

 SSH_KEYCAT=$(libexecdir)/ssh-keycat

 CTR_CAVSTEST=$(libexecdir)/ctr-cavstest

+SSH_CAVS=$(libexecdir)/ssh-cavs

 SSH_PKCS11_HELPER=$(libexecdir)/ssh-pkcs11-helper

 PRIVSEP_PATH=@PRIVSEP_PATH@

 SSH_PRIVSEP_USER=@SSH_PRIVSEP_USER@

@@ -67,7 +68,7 @@ EXEEXT=@EXEEXT@

 MANFMT=@MANFMT@

 INSTALL_SSH_LDAP_HELPER=@INSTALL_SSH_LDAP_HELPER@

-TARGETS=ssh$(EXEEXT) sshd$(EXEEXT) ssh-add$(EXEEXT) ssh-keygen$(EXEEXT) ssh-keyscan${EXEEXT} ssh-keysign${EXEEXT} ssh-pkcs11-helper$(EXEEXT) ssh-agent$(EXEEXT) scp$(EXEEXT) sftp-server$(EXEEXT) sftp$(EXEEXT) ssh-ldap-helper$(EXEEXT) ssh-keycat$(EXEEXT) ctr-cavstest$(EXEEXT)

+TARGETS=ssh$(EXEEXT) sshd$(EXEEXT) ssh-add$(EXEEXT) ssh-keygen$(EXEEXT) ssh-keyscan${EXEEXT} ssh-keysign${EXEEXT} ssh-pkcs11-helper$(EXEEXT) ssh-agent$(EXEEXT) scp$(EXEEXT) sftp-server$(EXEEXT) sftp$(EXEEXT) ssh-ldap-helper$(EXEEXT) ssh-keycat$(EXEEXT) ctr-cavstest$(EXEEXT) ssh-cavs$(EXEEXT)

 LIBOPENSSH_OBJS=\

 	ssh_api.o \

@@ -198,6 +199,9 @@ ssh-keycat$(EXEEXT): $(LIBCOMPAT) $(SSHD

 ctr-cavstest$(EXEEXT): $(LIBCOMPAT) libssh.a ctr-cavstest.o

 	$(LD) -o $@ ctr-cavstest.o $(LDFLAGS) -lssh -lopenbsd-compat -lssh -lfipscheck $(LIBS)

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

+	$(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)

@@ -331,6 +335,8 @@ install-files:

 	fi

 	$(INSTALL) -m 0755 $(STRIP_OPT) ssh-keycat$(EXEEXT) $(DESTDIR)$(libexecdir)/ssh-keycat$(EXEEXT)

 	$(INSTALL) -m 0755 $(STRIP_OPT) ctr-cavstest$(EXEEXT) $(DESTDIR)$(libexecdir)/ctr-cavstest$(EXEEXT)

+	$(INSTALL) -m 0755 $(STRIP_OPT) ssh-cavs$(EXEEXT) $(DESTDIR)$(libexecdir)/ssh-cavs$(EXEEXT)

+	$(INSTALL) -m 0755 $(STRIP_OPT) ssh-cavs_driver.pl $(DESTDIR)$(libexecdir)/ssh-cavs_driver.pl

 	$(INSTALL) -m 0755 $(STRIP_OPT) sftp$(EXEEXT) $(DESTDIR)$(bindir)/sftp$(EXEEXT)

 	$(INSTALL) -m 0755 $(STRIP_OPT) sftp-server$(EXEEXT) $(DESTDIR)$(SFTP_SERVER)$(EXEEXT)

 	$(INSTALL) -m 644 ssh.1.out $(DESTDIR)$(mandir)/$(mansubdir)1/ssh.1

diff -up openssh-6.8p1/ssh-cavs.c.kdf-cavs openssh-6.8p1/ssh-cavs.c

--- openssh-6.8p1/ssh-cavs.c.kdf-cavs	2015-03-18 11:23:46.348049354 +0100

+++ openssh-6.8p1/ssh-cavs.c	2015-03-18 11:23:46.348049354 +0100

@@ -0,0 +1,383 @@

+/*

+ * Copyright (C) 2015, Stephan Mueller <smueller@chronox.de>

+ *

+ * Redistribution and use in source and binary forms, with or without

+ * modification, are permitted provided that the following conditions

+ * are met:

+ * 1. Redistributions of source code must retain the above copyright

+ *    notice, and the entire permission notice in its entirety,

+ *    including the disclaimer of warranties.

+ * 2. Redistributions in binary form must reproduce the above copyright

+ *    notice, this list of conditions and the following disclaimer in the

+ *    documentation and/or other materials provided with the distribution.

+ * 3. The name of the author may not be used to endorse or promote

+ *    products derived from this software without specific prior

+ *    written permission.

+ *

+ * ALTERNATIVELY, this product may be distributed under the terms of

+ * the GNU General Public License, in which case the provisions of the GPL2

+ * are required INSTEAD OF the above restrictions.  (This clause is

+ * necessary due to a potential bad interaction between the GPL and

+ * the restrictions contained in a BSD-style copyright.)

+ *

+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED

+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF

+ * WHICH ARE HEREBY DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE

+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT

+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR

+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE

+ * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH

+ * DAMAGE.

+ */

+

+#include "includes.h"

+

+#include <stdio.h>

+#include <stdlib.h>

+#include <errno.h>

+#include <sys/types.h>

+#include <string.h>

+

+#include <openssl/bn.h>

+

+#include "xmalloc.h"

+#include "buffer.h"

+#include "key.h"

+#include "cipher.h"

+#include "kex.h"

+#include "packet.h"

+

+static int bin_char(unsigned char hex)

+{

+	if (48 <= hex && 57 >= hex)

+		return (hex - 48);

+	if (65 <= hex && 70 >= hex)

+		return (hex - 55);

+	if (97 <= hex && 102 >= hex)

+		return (hex - 87);

+	return 0;

+}

+

+/*

+ * Convert hex representation into binary string

+ * @hex input buffer with hex representation

+ * @hexlen length of hex

+ * @bin output buffer with binary data

+ * @binlen length of already allocated bin buffer (should be at least

+ *	   half of hexlen -- if not, only a fraction of hexlen is converted)

+ */

+static void hex2bin(const char *hex, size_t hexlen,

+		    unsigned char *bin, size_t binlen)

+{

+	size_t i = 0;

+	size_t chars = (binlen > (hexlen / 2)) ? (hexlen / 2) : binlen;

+

+	for (i = 0; i < chars; i++) {

+		bin[i] = bin_char(hex[(i*2)]) << 4;

+		bin[i] |= bin_char(hex[((i*2)+1)]);

+	}

+}

+

+/*

+ * Allocate sufficient space for binary representation of hex

+ * and convert hex into bin

+ *

+ * Caller must free bin

+ * @hex input buffer with hex representation

+ * @hexlen length of hex

+ * @bin return value holding the pointer to the newly allocated buffer

+ * @binlen return value holding the allocated size of bin

+ *

+ * return: 0 on success, !0 otherwise

+ */

+static int hex2bin_alloc(const char *hex, size_t hexlen,

+			 unsigned char **bin, size_t *binlen)

+{

+	unsigned char *out = NULL;

+	size_t outlen = 0;

+

+	if (!hexlen)

+		return -EINVAL;

+

+	outlen = (hexlen + 1) / 2;

+

+	out = calloc(1, outlen);

+	if (!out)

+		return -errno;

+

+	hex2bin(hex, hexlen, out, outlen);

+	*bin = out;

+	*binlen = outlen;

+	return 0;

+}

+

+static char hex_char_map_l[] = { '0', '1', '2', '3', '4', '5', '6', '7',

+				 '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };

+static char hex_char_map_u[] = { '0', '1', '2', '3', '4', '5', '6', '7',

+				 '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };

+static char hex_char(unsigned int bin, int u)

+{

+	if (bin < sizeof(hex_char_map_l))

+		return (u) ? hex_char_map_u[bin] : hex_char_map_l[bin];

+	return 'X';

+}

+

+/*

+ * Convert binary string into hex representation

+ * @bin input buffer with binary data

+ * @binlen length of bin

+ * @hex output buffer to store hex data

+ * @hexlen length of already allocated hex buffer (should be at least

+ *	   twice binlen -- if not, only a fraction of binlen is converted)

+ * @u case of hex characters (0=>lower case, 1=>upper case)

+ */

+static void bin2hex(const unsigned char *bin, size_t binlen,

+		    char *hex, size_t hexlen, int u)

+{

+	size_t i = 0;

+	size_t chars = (binlen > (hexlen / 2)) ? (hexlen / 2) : binlen;

+

+	for (i = 0; i < chars; i++) {

+		hex[(i*2)] = hex_char((bin[i] >> 4), u);

+		hex[((i*2)+1)] = hex_char((bin[i] & 0x0f), u);

+	}

+}

+

+struct kdf_cavs {

+	unsigned char *K;

+	size_t Klen;

+	unsigned char *H;

+	size_t Hlen;

+	unsigned char *session_id;

+	size_t session_id_len;

+

+	unsigned int iv_len;

+	unsigned int ek_len;

+	unsigned int ik_len;

+};

+

+static int sshkdf_cavs(struct kdf_cavs *test)

+{

+	int ret = 0;

+	struct kex kex;

+	BIGNUM *Kbn = NULL;

+	int mode = 0;

+	struct newkeys *ctoskeys;

+	struct newkeys *stockeys;

+	struct ssh *ssh = NULL;

+

+#define HEXOUTLEN 500

+	char hex[HEXOUTLEN];

+

+	memset(&kex, 0, sizeof(struct kex));

+

+	Kbn = BN_new();

+	BN_bin2bn(test->K, test->Klen, Kbn);

+	if (!Kbn) {

+		printf("cannot convert K into BIGNUM\n");

+		ret = 1;

+		goto out;

+	}

+

+	kex.session_id = test->session_id;

+	kex.session_id_len = test->session_id_len;

+

+	/* setup kex */

+

+	/* select the right hash based on struct ssh_digest digests */

+	switch (test->ik_len) {

+		case 20:

+			kex.hash_alg = 2;

+			break;

+		case 32:

+			kex.hash_alg = 3;

+			break;

+		case 48:

+			kex.hash_alg = 4;

+			break;

+		case 64:

+			kex.hash_alg = 5;

+			break;

+		default:

+			printf("Wrong hash type %u\n", test->ik_len);

+			ret = 1;

+			goto out;

+	}

+

+	/* implement choose_enc */

+	for (mode = 0; mode < 2; mode++) {

+		kex.newkeys[mode] = calloc(1, sizeof(struct newkeys));

+		if (!kex.newkeys[mode]) {

+			printf("allocation of newkeys failed\n");

+			ret = 1;

+			goto out;

+		}

+		kex.newkeys[mode]->enc.iv_len = test->iv_len;

+		kex.newkeys[mode]->enc.key_len = test->ek_len;

+		kex.newkeys[mode]->enc.block_size = (test->iv_len == 64) ? 8 : 16;

+		kex.newkeys[mode]->mac.key_len = test->ik_len;

+	}

+

+	/* implement kex_choose_conf */

+	kex.we_need = kex.newkeys[0]->enc.key_len;

+	if (kex.we_need < kex.newkeys[0]->enc.block_size)

+		kex.we_need = kex.newkeys[0]->enc.block_size;

+	if (kex.we_need < kex.newkeys[0]->enc.iv_len)

+		kex.we_need = kex.newkeys[0]->enc.iv_len;

+	if (kex.we_need < kex.newkeys[0]->mac.key_len)

+		kex.we_need = kex.newkeys[0]->mac.key_len;

+

+	/* MODE_OUT (1) -> server to client

+	 * MODE_IN (0) -> client to server */

+	kex.server = 1;

+

+	/* do it */

+	if ((ssh = ssh_packet_set_connection(NULL, -1, -1)) == NULL){

+		printf("Allocation error\n");

+		goto out;

+	}

+	ssh->kex = &ke;;

+	kex_derive_keys_bn(ssh, test->H, test->Hlen, Kbn);

+

+	ctoskeys = kex.newkeys[0];

+	stockeys = kex.newkeys[1];

+

+	/* get data */

+	memset(hex, 0, HEXOUTLEN);

+	bin2hex(ctoskeys->enc.iv, (size_t)ctoskeys->enc.iv_len,

+		hex, HEXOUTLEN, 0);

+	printf("Initial IV (client to server) = %s\n", hex);

+	memset(hex, 0, HEXOUTLEN);

+	bin2hex(stockeys->enc.iv, (size_t)stockeys->enc.iv_len,

+		hex, HEXOUTLEN, 0);

+	printf("Initial IV (server to client) = %s\n", hex);

+

+	memset(hex, 0, HEXOUTLEN);

+	bin2hex(ctoskeys->enc.key, (size_t)ctoskeys->enc.key_len,

+		hex, HEXOUTLEN, 0);

+	printf("Encryption key (client to server) = %s\n", hex);

+	memset(hex, 0, HEXOUTLEN);

+	bin2hex(stockeys->enc.key, (size_t)stockeys->enc.key_len,

+		hex, HEXOUTLEN, 0);

+	printf("Encryption key (server to client) = %s\n", hex);

+

+	memset(hex, 0, HEXOUTLEN);

+	bin2hex(ctoskeys->mac.key, (size_t)ctoskeys->mac.key_len,

+		hex, HEXOUTLEN, 0);

+	printf("Integrity key (client to server) = %s\n", hex);

+	memset(hex, 0, HEXOUTLEN);

+	bin2hex(stockeys->mac.key, (size_t)stockeys->mac.key_len,

+		hex, HEXOUTLEN, 0);

+	printf("Integrity key (server to client) = %s\n", hex);

+

+	free(ctoskeys);

+	free(stockeys);

+

+out:

+	if (Kbn)

+		BN_free(Kbn);

+	if (kex.newkeys[0])

+		free(kex.newkeys[0]);

+	if (kex.newkeys[1])

+		free(kex.newkeys[1]);

+	if (ssh)

+		ssh_packet_close(ssh);

+	return ret;

+}

+

+static void usage(void)

+{

+	fprintf(stderr, "\nOpenSSH KDF CAVS Test\n\n");

+	fprintf(stderr, "Usage:\n");

+	fprintf(stderr, "\t-K\tShared secret string\n");

+	fprintf(stderr, "\t-H\tHash string\n");

+	fprintf(stderr, "\t-s\tSession ID string\n");

+	fprintf(stderr, "\t-i\tIV length to be generated\n");

+	fprintf(stderr, "\t-e\tEncryption key length to be generated\n");

+	fprintf(stderr, "\t-m\tMAC key length to be generated\n");

+}

+

+/*

+ * Test command example:

+ * ./ssh-cavs -K 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 -H d3ab91a850febb417a25d892ec48ed5952c7a5de -s d3ab91a850febb417a25d892ec48ed5952c7a5de -i 8 -e 24 -m 20

+ *

+ * Initial IV (client to server) = 4bb320d1679dfd3a

+ * Initial IV (server to client) = 43dea6fdf263a308

+ * Encryption key (client to server) = 13048cc600b9d3cf9095aa6cf8e2ff9cf1c54ca0520c89ed

+ * Encryption key (server to client) = 1e483c5134e901aa11fc4e0a524e7ec7b75556148a222bb0

+ * Integrity key (client to server) = ecef63a092b0dcc585bdc757e01b2740af57d640

+ * Integrity key (server to client) = 7424b05f3c44a72b4ebd281fb71f9cbe7b64d479

+ */

+int main(int argc, char *argv[])

+{

+	struct kdf_cavs test;

+	int ret = 1;

+	int opt = 0;

+

+	memset(&test, 0, sizeof(struct kdf_cavs));

+	while((opt = getopt(argc, argv, "K:H:s:i:e:m:")) != -1)

+	{

+		size_t len = 0;

+		switch(opt)

+		{

+			/*

+			 * CAVS K is MPINT

+			 * we want a hex (i.e. the caller must ensure the

+			 * following transformations already happened):

+			 * 	1. cut off first four bytes

+			 * 	2. if most significant bit of value is

+			 *	   1, prepend 0 byte

+			 */

+			case 'K':

+				len = strlen(optarg);

+				ret = hex2bin_alloc(optarg, len,

+						    &test.K, &test.Klen);

+				if (ret)

+					goto out;

+				break;

+			case 'H':

+				len = strlen(optarg);

+				ret = hex2bin_alloc(optarg, len,

+						    &test.H, &test.Hlen);

+				if (ret)

+					goto out;

+				break;

+			case 's':

+				len = strlen(optarg);

+				ret = hex2bin_alloc(optarg, len,

+						    &test.session_id,

+						    &test.session_id_len);

+				if (ret)

+					goto out;

+				break;

+			case 'i':

+				test.iv_len = strtoul(optarg, NULL, 10);

+				break;

+			case 'e':

+				test.ek_len = strtoul(optarg, NULL, 10);

+				break;

+			case 'm':

+				test.ik_len = strtoul(optarg, NULL, 10);

+				break;

+			default:

+				usage();

+				goto out;

+		}

+	}

+

+	ret = sshkdf_cavs(&test);

+

+out:

+	if (test.session_id)

+		free(test.session_id);

+	if (test.K)

+		free(test.K);

+	if (test.H)

+		free(test.H);

+	return ret;

+

+}

diff -up openssh-6.8p1/ssh-cavs_driver.pl.kdf-cavs openssh-6.8p1/ssh-cavs_driver.pl

--- openssh-6.8p1/ssh-cavs_driver.pl.kdf-cavs	2015-03-18 11:23:46.348049354 +0100

+++ openssh-6.8p1/ssh-cavs_driver.pl	2015-03-18 11:23:46.348049354 +0100

@@ -0,0 +1,184 @@

+#!/usr/bin/env perl

+#

+# CAVS test driver for OpenSSH

+#

+# Copyright (C) 2015, Stephan Mueller <smueller@chronox.de>

+#

+# Permission is hereby granted, free of charge, to any person obtaining a copy

+# of this software and associated documentation files (the "Software"), to deal

+# in the Software without restriction, including without limitation the rights

+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

+# copies of the Software, and to permit persons to whom the Software is

+# furnished to do so, subject to the following conditions:

+#

+# The above copyright notice and this permission notice shall be included in

+# all copies or substantial portions of the Software.

+#

+#                            NO WARRANTY

+#

+#    BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY

+#    FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN

+#    OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES

+#    PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED

+#    OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

+#    MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS

+#    TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE

+#    PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,

+#    REPAIR OR CORRECTION.

+#

+#    IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING

+#    WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR

+#    REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,

+#    INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING

+#    OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED

+#    TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY

+#    YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER

+#    PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE

+#    POSSIBILITY OF SUCH DAMAGES.

+#

+use strict;

+use warnings;

+use IPC::Open2;

+

+# Executing a program by feeding STDIN and retrieving

+# STDOUT

+# $1: data string to be piped to the app on STDIN

+# rest: program and args

+# returns: STDOUT of program as string

+sub pipe_through_program($@) {

+	my $in = shift;

+	my @args = @_;

+

+	my ($CO, $CI);

+	my $pid = open2($CO, $CI, @args);

+

+	my $out = "";

+	my $len = length($in);

+	my $first = 1;

+	while (1) {

+		my $rin = "";

+		my $win = "";

+		# Output of prog is FD that we read

+		vec($rin,fileno($CO),1) = 1;

+		# Input of prog is FD that we write

+		# check for $first is needed because we can have NULL input

+		# that is to be written to the app

+		if ( $len > 0 || $first) {

+			(vec($win,fileno($CI),1) = 1);

+			$first=0;

+		}

+		# Let us wait for 100ms

+		my $nfound = select(my $rout=$rin, my $wout=$win, undef, 0.1);

+		if ( $wout ) {

+			my $written = syswrite($CI, $in, $len);

+			die "broken pipe" if !defined $written;

+			$len -= $written;

+			substr($in, 0, $written) = "";

+			if ($len <= 0) {

+				close $CI or die "broken pipe: $!";

+			}

+		}

+		if ( $rout ) {

+			my $tmp_out = "";

+			my $bytes_read = sysread($CO, $tmp_out, 4096);

+			$out .= $tmp_out;

+			last if ($bytes_read == 0);

+		}

+	}

+	close $CO or die "broken pipe: $!";

+	waitpid $pid, 0;

+

+	return $out;

+}

+

+# Parser of CAVS test vector file

+# $1: Test vector file

+# $2: Output file for test results

+# return: nothing

+sub parse($$) {

+	my $infile = shift;

+	my $outfile = shift;

+

+	my $out = "";

+

+	my $K = "";

+	my $H = "";

+	my $session_id = "";

+	my $ivlen = 0;

+	my $eklen = "";

+	my $iklen = "";

+

+	open(IN, "<$infile");

+	while(<IN>) {

+

+		my $line = $_;

+		chomp($line);

+		$line =~ s/\r//;

+

+		if ($line =~ /\[SHA-1\]/) {

+			$iklen = 20;

+		} elsif ($line =~ /\[SHA-256\]/) {

+			$iklen = 32;

+		} elsif ($line =~ /\[SHA-384\]/) {

+			$iklen = 48;

+		} elsif ($line =~ /\[SHA-512\]/) {

+			$iklen = 64;

+		} elsif ($line =~ /^\[IV length\s*=\s*(.*)\]/) {

+			$ivlen = $1;

+			$ivlen = $ivlen / 8;

+		} elsif ($line =~ /^\[encryption key length\s*=\s*(.*)\]/) {

+			$eklen = $1;

+			$eklen = $eklen / 8;

+		} elsif ($line =~ /^K\s*=\s*(.*)/) {

+			$K = $1;

+			$K = substr($K, 8);

+			$K = "00" . $K;

+		} elsif ($line =~ /^H\s*=\s*(.*)/) {

+			$H = $1;

+		} elsif ($line =~ /^session_id\s*=\s*(.*)/) {

+			$session_id = $1;

+		}

+		$out .= $line . "\n";

+

+		if ($K ne "" && $H ne "" && $session_id ne "" &&

+		    $ivlen ne "" && $eklen ne "" && $iklen > 0) {

+			$out .= pipe_through_program("", "./ssh-cavs -H $H -K $K -s $session_id -i $ivlen -e $eklen -m $iklen");

+

+			$K = "";

+			$H = "";

+			$session_id = "";

+		}

+	}

+	close IN;

+	$out =~ s/\n/\r\n/g; # make it a dos file

+	open(OUT, ">$outfile") or die "Cannot create output file $outfile: $?";

+	print OUT $out;

+	close OUT;

+}

+

+############################################################

+#

+# let us pretend to be C :-)

+sub main() {

+

+	my $infile=$ARGV[0];

+	die "Error: Test vector file $infile not found" if (! -f $infile);

+

+	my $outfile = $infile;

+	# let us add .rsp regardless whether we could strip .req

+	$outfile =~ s/\.req$//;

+	$outfile .= ".rsp";

+	if (-f $outfile) {

+		die "Output file $outfile could not be removed: $?"

+			unless unlink($outfile);

+	}

+	print STDERR "Performing tests from source file $infile with results stored in destination file $outfile\n";

+

+	# Do the job

+	parse($infile, $outfile);

+}

+

+###########################################

+# Call it

+main();

+1;