122 lines
3.1 KiB
Perl
122 lines
3.1 KiB
Perl
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#! /usr/bin/env perl
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# Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
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#
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# Licensed under the Apache License 2.0 (the "License"). You may not use
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# this file except in compliance with the License. You can obtain a copy
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# in the file LICENSE in the source distribution or at
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# https://www.openssl.org/source/license.html
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#Convert CCM CAVS test vectors to a format suitable for evp_test
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use strict;
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use warnings;
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my $alg;
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my $mode;
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my $keylen;
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my $key = "";
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my $iv = "";
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my $aad = "";
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my $ct = "";
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my $pt = "";
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my $tag = "";
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my $aadlen = 0;
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my $ptlen = 0;
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my $taglen = 0;
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my $res = "";
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my $intest = 0;
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my $fixediv = 0;
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while (<STDIN>)
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{
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chomp;
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# Pull out the cipher mode from the comment at the beginning of the file
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if(/^#\s*"([^-]+)-\w+" information/) {
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$mode = lc($1);
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# Pull out the key length from the comment at the beginning of the file
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} elsif(/^#\s*(\w+) Keylen: (\d+)/) {
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$alg = lc($1);
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$keylen = $2;
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# Some parameters common to many tests appear as a list in square brackets
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# so parse these
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} elsif(/\[(.*)\]/) {
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my @pairs = split(/, /, $1);
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foreach my $pair (@pairs) {
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$pair =~ /(\w+)\s*=\s*(\d+)/;
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# AAD Length
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if ($1 eq "Alen") {
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$aadlen = $2;
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# Plaintext length
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} elsif ($1 eq "Plen") {
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$ptlen = $2;
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# Tag length
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} elsif ($1 eq "Tlen") {
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$taglen = $2;
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}
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}
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# Key/Value pair
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} elsif (/^\s*(\w+)\s*=\s*(\S.*)\r/) {
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if ($1 eq "Key") {
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$key = $2;
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} elsif ($1 eq "Nonce") {
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$iv = $2;
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if ($intest == 0) {
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$fixediv = 1;
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} else {
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$fixediv = 0;
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}
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} elsif ($1 eq "Adata") {
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$aad = $2;
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} elsif ($1 eq "CT") {
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$ct = substr($2, 0, length($2) - ($taglen * 2));
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$tag = substr($2, $taglen * -2);
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} elsif ($1 eq "Payload") {
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$pt = $2;
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} elsif ($1 eq "Result") {
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if ($2 =~ /Fail/) {
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$res = "CIPHERUPDATE_ERROR";
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}
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} elsif ($1 eq "Count") {
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$intest = 1;
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} elsif ($1 eq "Plen") {
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$ptlen = $2;
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} elsif ($1 eq "Tlen") {
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$taglen = $2;
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} elsif ($1 eq "Alen") {
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$aadlen = $2;
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}
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# Something else - probably just a blank line
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} elsif ($intest) {
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print "Cipher = $alg-$keylen-$mode\n";
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print "Key = $key\n";
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print "IV = $iv\n";
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print "AAD =";
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if ($aadlen > 0) {
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print " $aad";
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}
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print "\nTag =";
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if ($taglen > 0) {
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print " $tag";
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}
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print "\nPlaintext =";
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if ($ptlen > 0) {
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print " $pt";
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}
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print "\nCiphertext = $ct\n";
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if ($res ne "") {
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print "Operation = DECRYPT\n";
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print "Result = $res\n";
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}
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print "\n";
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$res = "";
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if ($fixediv == 0) {
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$iv = "";
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}
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$aad = "";
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$tag = "";
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$pt = "";
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$intest = 0;
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}
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}
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