Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

219 lines (204 sloc) 5.003 kb
/*
* keys.c
*/
#include <stdio.h>
#include "pgpdump.h"
private int PUBLIC;
private int VERSION;
private void new_Public_Key_Packet(int);
private void old_Public_Key_Packet(int);
private void IV(void);
private void encrypted_Secret_Key(int);
public void
Public_Subkey_Packet(int len)
{
Public_Key_Packet(len);
}
public void
Public_Key_Packet(int len)
{
VERSION = Getc();
printf("\tVer %d - ", VERSION);
switch (VERSION) {
case 2:
case 3:
printf("old\n");
old_Public_Key_Packet(len);
break;
case 4:
printf("new\n");
new_Public_Key_Packet(len);
break;
default:
printf("unknown\n");
skip(len - 1);
break;
}
}
private void
old_Public_Key_Packet(int len)
{
time4("Public key creation time");
printf("\tValid days - %d[0 is forever]\n", Getc() * 256 + Getc());
PUBLIC = Getc();
pub_algs(PUBLIC);
multi_precision_integer("RSA n");
multi_precision_integer("RSA e");
}
private void
new_Public_Key_Packet(int len)
{
time4("Public key creation time");
PUBLIC = Getc();
pub_algs(PUBLIC);
switch (PUBLIC) {
case 1:
multi_precision_integer("RSA n");
multi_precision_integer("RSA e");
break;
case 16:
multi_precision_integer("ElGamal p");
multi_precision_integer("ElGamal g");
multi_precision_integer("ElGamal y");
break;
case 17:
multi_precision_integer("DSA p");
multi_precision_integer("DSA q");
multi_precision_integer("DSA g");
multi_precision_integer("DSA y");
break;
default:
printf("\t\tunknown(%d)\n", PUBLIC);
skip(len - 5);
}
}
private void
IV (void)
{
printf("\tIV - ");
dump(8);
printf("\n");
}
public void
Secret_Subkey_Packet(int len)
{
Secret_Key_Packet(len);
}
public void
Secret_Key_Packet(int len)
{
int s2k;
Getc_resetlen();
Public_Key_Packet(len);
s2k = Getc();
switch (s2k) {
case 0:
/* not encrypted */
switch (PUBLIC) {
case 1:
multi_precision_integer("RSA d");
multi_precision_integer("RSA p");
multi_precision_integer("RSA q");
multi_precision_integer("RSA u");
break;
case 16:
multi_precision_integer("ElGamal x");
break;
case 17:
multi_precision_integer("DSA x");
break;
default:
printf("\t\tunknown(%d)\n", PUBLIC);
skip(len - 5);
}
printf("\t\t-> m = sym alg(1) + checksum(2) + PKCS-1 block type 02\n");
break;
case 255:
sym_algs(Getc());
string_to_key();
IV();
encrypted_Secret_Key(len - Getc_getlen());
break;
default:
sym_algs(s2k);
IV();
encrypted_Secret_Key(len - Getc_getlen());
}
}
private void
encrypted_Secret_Key(int len)
{
switch (VERSION) {
case 2:
case 3:
switch (PUBLIC) {
case 1:
multi_precision_integer("Encrypted RSA d");
multi_precision_integer("Encrypted RSA p");
multi_precision_integer("Encrypted RSA q");
multi_precision_integer("Encrypted RSA u");
break;
case 16:
multi_precision_integer("Encrypted ElGamal x");
break;
case 17:
multi_precision_integer("Encrypted DSA x");
break;
default:
printf("\t\tEncrypted unknown(pub %d)\n", PUBLIC);
skip(len);
}
printf("\tChecksum - ");
dump(2);
printf("\n");
break;
case 4:
switch (PUBLIC) {
case 1:
printf("\tEncrypted RSA d, p, q, u, checksum\n");
break;
case 16:
printf("\tEncrypted ElGamal x, checksum\n");
break;
case 17:
printf("\tEncrypted DSA x, checksum\n");
break;
default:
printf("\tEncrypted unknown(pub %d)\n", PUBLIC);
}
skip(len);
break;
default:
printf("xxx\n");
skip(len);
}
}
/*
* Copyright (C) 1998 Kazuhiko Yamamoto
* All rights reserved.
*
* 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, this list of conditions and the following disclaimer.
* 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. Neither the name of the author 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 AUTHOR 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 THE AUTHOR OR CONTRIBUTORS 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.
*/
Jump to Line
Something went wrong with that request. Please try again.