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#!/bin/sh
#
# OTP Utilities
# Copyright (C) 2022 David M. Syzdek <david@syzdek.net>.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * 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.
# * Neither the name of David M. Syzdek nor the
# names of its contributors may be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
# IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DAVID M SYZDEK 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 ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
my_field()
{
cut -b${1} \
|sed \
-e 's/^_\{1,\}//g' \
-e 's/_\{1,\}$//g' \
-e 's/_/ /g'
}
my_payload()
{
PAYLOAD_LINE=$(awk '/^__PAYLOAD_BELOW__/ {print NR + 1; exit 0; }' $0)
TOTAL_LINES=$(($(wc -l "$0" |awk '{print$1}')+1))
if test "x${PAYLOAD_LINE}" == "x${TOTAL_LINES}";then
return 0;
fi
tail -n+${PAYLOAD_LINE} $0 \
|egrep -v '^[[:space:]]{0,}#|^[[:space:]]{0,}$' \
|sed -e 's/[[:space:]]/_/g'
return 0;
}
my_raw()
{
sed \
-e 's/\([a-f0-9]\{2\}\)\([a-f0-9]\{2\}\)/0x\1, 0x\2, /gi' \
-e 's/ \{1,\}/ /g' \
-e 's/, $//g'
}
my_word_convert()
{
WORD_HASH="${1}"
shift;
ALTWORDS=""
for WORD in ${@};do
ALTWORD="$(./tests/otp-data-convert ${WORD_HASH} ${WORD})"
if test -z "${ALTWORD}";then
return 1;
fi
ALTWORDS="${ALTWORDS} ${ALTWORD}"
done
echo "${ALTWORDS}" |sed -e 's/^ \{1,\}//g' -e 's/ \{1,\}$//g'
}
for REC in $(my_payload);do
REC_HASH="$( echo "${REC}" |my_field 1-4 )"
REC_PASS="$( echo "${REC}" |my_field 6-20 )"
REC_SEED="$( echo "${REC}" |my_field 22-28 )"
REC_CNT="$( echo "${REC}" |my_field 30-31 )"
REC_HEX="$( echo "${REC}" |my_field 34-52 )"
REC_SIX="$( echo "${REC}" |my_field 54- )"
REC_RAW="$( echo "${REC}" |my_field 32-52 |my_raw )"
REC_MD4="$( my_word_convert md4 ${REC_SIX})"
REC_MD5="$( my_word_convert md5 ${REC_SIX})"
REC_SHA1="$( my_word_convert sha1 ${REC_SIX})"
cat << ' EOF' \
|sed \
-e "s/@HASH@/${REC_HASH}/g" \
-e "s/@PASS@/${REC_PASS}/g" \
-e "s/@SEED@/${REC_SEED}/g" \
-e "s/@COUNT@/${REC_CNT}/g" \
-e "s/@HEX@/${REC_HEX}/g" \
-e "s/@SIX@/${REC_SIX}/g" \
-e "s/@MD4@/${REC_MD4}/g" \
-e "s/@MD5@/${REC_MD5}/g" \
-e "s/@SHA1@/${REC_SHA1}/g" \
-e "s/@RAW@/${REC_RAW}/g"
{
.method = OTPUTIL_MD_@HASH@,
.pass = "@PASS@",
.seed = "@SEED@",
.count = @COUNT@,
.hex = "@HEX@",
.six = "@SIX@",
.alt_md4 = "@MD4@",
.alt_md5 = "@MD5@",
.alt_sha1 = "@SHA1@",
.dat.bv_val = (uint8_t []){ @RAW@ },
.dat.bv_len = 8,
},
EOF
done
exit 0
# end of script
__PAYLOAD_BELOW__
# RFC 2289 Appendix C - OTP Verification Examples: MD4 ENCODINGS
MD4 This is a test. TeSt 0 D185 4218 EBBB 0B51 ROME MUG FRED SCAN LIVE LACE
MD4 This is a test. TeSt 1 6347 3EF0 1CD0 B444 CARD SAD MINI RYE COL KIN
MD4 This is a test. TeSt 99 C5E6 1277 6E6C 237A NOTE OUT IBIS SINK NAVE MODE
MD4 AbCdEfGhIjK alpha1 0 5007 6F47 EB1A DE4E AWAY SEN ROOK SALT LICE MAP
MD4 AbCdEfGhIjK alpha1 1 65D2 0D19 49B5 F7AB CHEW GRIM WU HANG BUCK SAID
MD4 AbCdEfGhIjK alpha1 99 D150 C82C CE6F 62D1 ROIL FREE COG HUNK WAIT COCA
MD4 OTP's are good correct 0 849C 79D4 F6F5 5388 FOOL STEM DONE TOOL BECK NILE
MD4 OTP's are good correct 1 8C09 92FB 2508 47B1 GIST AMOS MOOT AIDS FOOD SEEM
MD4 OTP's are good correct 99 3F3B F4B4 145F D74B TAG SLOW NOV MIN WOOL KENO
# RFC 2289 Appendix C - OTP Verification Examples: MD5 ENCODINGS
MD5 This is a test. TeSt 0 9E87 6134 D904 99DD INCH SEA ANNE LONG AHEM TOUR
MD5 This is a test. TeSt 1 7965 E054 36F5 029F EASE OIL FUM CURE AWRY AVIS
MD5 This is a test. TeSt 99 50FE 1962 C496 5880 BAIL TUFT BITS GANG CHEF THY
MD5 AbCdEfGhIjK alpha1 0 8706 6DD9 644B F206 FULL PEW DOWN ONCE MORT ARC
MD5 AbCdEfGhIjK alpha1 1 7CD3 4C10 40AD D14B FACT HOOF AT FIST SITE KENT
MD5 AbCdEfGhIjK alpha1 99 5AA3 7A81 F212 146C BODE HOP JAKE STOW JUT RAP
MD5 OTP's are good correct 0 F205 7539 43DE 4CF9 ULAN NEW ARMY FUSE SUIT EYED
MD5 OTP's are good correct 1 DDCD AC95 6F23 4937 SKIM CULT LOB SLAM POE HOWL
MD5 OTP's are good correct 99 B203 E28F A525 BE47 LONG IVY JULY AJAR BOND LEE
# RFC 2289 Appendix C - OTP Verification Examples: SHA1 ENCODINGS
SHA1 This is a test. TeSt 0 BB9E 6AE1 979D 8FF4 MILT VARY MAST OK SEES WENT
SHA1 This is a test. TeSt 1 63D9 3663 9734 385B CART OTTO HIVE ODE VAT NUT
SHA1 This is a test. TeSt 99 87FE C776 8B73 CCF9 GAFF WAIT SKID GIG SKY EYED
SHA1 AbCdEfGhIjK alpha1 0 AD85 F658 EBE3 83C9 LEST OR HEEL SCOT ROB SUIT
SHA1 AbCdEfGhIjK alpha1 1 D07C E229 B5CF 119B RITE TAKE GELD COST TUNE RECK
SHA1 AbCdEfGhIjK alpha1 99 27BC 7103 5AAF 3DC6 MAY STAR TIN LYON VEDA STAN
SHA1 OTP's are good correct 0 D51F 3E99 BF8E 6F0B RUST WELT KICK FELL TAIL FRAU
SHA1 OTP's are good correct 1 82AE B52D 9437 74E4 FLIT DOSE ALSO MEW DRUM DEFY
SHA1 OTP's are good correct 99 4F29 6A74 FE15 67EC AURA ALOE HURL WING BERG WAIT
# end of payload
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