Ben Lindstrom
226cfa0378
Linux and works. So that is at least a good sign. =) 20010122 - (bal) OpenBSD Resync - [email protected] 2001/01/19 12:45:26 GMT 2001 by markus [servconf.c ssh.h sshd.c] only auth-chall.c needs #ifdef SKEY - [email protected] 2001/01/19 15:55:10 GMT 2001 by markus [auth-krb4.c auth-options.c auth-rh-rsa.c auth-rhosts.c auth-rsa.c auth1.c auth2.c channels.c clientloop.c dh.c dispatch.c nchan.c packet.c pathname.h readconf.c scp.c servconf.c serverloop.c session.c ssh-add.c ssh-keygen.c ssh-keyscan.c ssh.c ssh.h ssh1.h sshconnect1.c sshd.c ttymodes.c] move ssh1 definitions to ssh1.h, pathnames to pathnames.h - [email protected] 2001/01/19 16:48:14 [sshd.8] fix typo; from stevesk@ - [email protected] 2001/01/19 16:50:58 [ssh-dss.c] clear and free digest, make consistent with other code (use dlen); from stevesk@ - [email protected] 2001/01/20 15:55:20 GMT 2001 by markus [auth-options.c auth-options.h auth-rsa.c auth2.c] pass the filename to auth_parse_options() - [email protected] 2001/01/20 17:59:40 GMT 2001 [readconf.c] fix SIGSEGV from -o ""; problem noted by [email protected] - [email protected] 2001/01/20 18:20:29 [sshconnect2.c] dh_new_group() does not return NULL. ok markus@ - [email protected] 2001/01/20 21:33:42 [ssh-add.c] do not loop forever if askpass does not exist; from [email protected] - [email protected] 2001/01/20 23:00:56 [servconf.c] Check for NULL return from strdelim; ok markus - [email protected] 2001/01/20 23:02:07 [readconf.c] KNF; ok markus - [email protected] 2001/01/21 9:00:33 [ssh-keygen.1] remove -R flag; ok markus@ - [email protected] 2001/01/21 19:05:40 [atomicio.c automicio.h auth-chall.c auth-krb4.c auth-options.c auth-options.h auth-passwd.c auth-rh-rsa.c auth-rhosts.c auth-rsa.c auth.c auth.h auth1.c auth2-chall.c auth2.c authfd.c authfile.c bufaux.c bufaux.h buffer.c canahost.c canahost.h channels.c cipher.c cli.c clientloop.c clientloop.h compat.c compress.c deattack.c dh.c dispatch.c groupaccess.c hmac.c hostfile.c kex.c key.c key.h log-client.c log-server.c log.c log.h login.c login.h match.c misc.c misc.h nchan.c packet.c pty.c radix.h readconf.c readpass.c readpass.h rsa.c scp.c servconf.c serverloop.c serverloop.h session.c sftp-server.c ssh-add.c ssh-agent.c ssh-dss.c ssh-keygen.c ssh-keyscan.c ssh-rsa.c ssh.c ssh.h sshconnect.c sshconnect.h sshconnect1.c sshconnect2.c sshd.c tildexpand.c tildexpand.h ttysmodes.c uidswap.c xmalloc.c] split ssh.h and try to cleanup the #include mess. remove unnecessary #includes. rename util.[ch] -> misc.[ch] - (bal) renamed 'PIDDIR' to '_PATH_SSH_PIDDIR' to match OpenBSD tree - (bal) Moved #ifdef KRB4 in auth-krb4.c above the #include to resolve conflict when compiling for non-kerb install - (bal) removed the #ifdef SKEY in auth1.c to match Markus' changes on 1/19.
121 lines
3.8 KiB
C
121 lines
3.8 KiB
C
/*
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* Author: Tatu Ylonen <[email protected]>
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* Copyright (c) 1995 Tatu Ylonen <[email protected]>, Espoo, Finland
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* All rights reserved
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*
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* As far as I am concerned, the code I have written for this software
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* can be used freely for any purpose. Any derived versions of this
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* software must be clearly marked as such, and if the derived work is
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* incompatible with the protocol description in the RFC file, it must be
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* called by a name other than "ssh" or "Secure Shell".
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*
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*
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* Copyright (c) 1999 Niels Provos. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*
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* Description of the RSA algorithm can be found e.g. from the following
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* sources:
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*
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* Bruce Schneier: Applied Cryptography. John Wiley & Sons, 1994.
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*
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* Jennifer Seberry and Josed Pieprzyk: Cryptography: An Introduction to
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* Computer Security. Prentice-Hall, 1989.
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*
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* Man Young Rhee: Cryptography and Secure Data Communications. McGraw-Hill,
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* 1994.
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*
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* R. Rivest, A. Shamir, and L. M. Adleman: Cryptographic Communications
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* System and Method. US Patent 4,405,829, 1983.
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*
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* Hans Riesel: Prime Numbers and Computer Methods for Factorization.
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* Birkhauser, 1994.
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*
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* The RSA Frequently Asked Questions document by RSA Data Security,
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* Inc., 1995.
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*
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* RSA in 3 lines of perl by Adam Back <[email protected]>, 1995, as
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* included below:
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*
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* [gone - had to be deleted - what a pity]
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*/
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#include "includes.h"
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RCSID("$OpenBSD: rsa.c,v 1.19 2001/01/21 19:05:54 markus Exp $");
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#include "rsa.h"
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#include "log.h"
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#include "xmalloc.h"
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void
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rsa_public_encrypt(BIGNUM *out, BIGNUM *in, RSA *key)
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{
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u_char *inbuf, *outbuf;
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int len, ilen, olen;
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if (BN_num_bits(key->e) < 2 || !BN_is_odd(key->e))
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fatal("rsa_public_encrypt() exponent too small or not odd");
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olen = BN_num_bytes(key->n);
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outbuf = xmalloc(olen);
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ilen = BN_num_bytes(in);
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inbuf = xmalloc(ilen);
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BN_bn2bin(in, inbuf);
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if ((len = RSA_public_encrypt(ilen, inbuf, outbuf, key,
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RSA_PKCS1_PADDING)) <= 0)
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fatal("rsa_public_encrypt() failed");
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BN_bin2bn(outbuf, len, out);
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memset(outbuf, 0, olen);
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memset(inbuf, 0, ilen);
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xfree(outbuf);
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xfree(inbuf);
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}
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void
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rsa_private_decrypt(BIGNUM *out, BIGNUM *in, RSA *key)
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{
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u_char *inbuf, *outbuf;
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int len, ilen, olen;
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olen = BN_num_bytes(key->n);
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outbuf = xmalloc(olen);
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ilen = BN_num_bytes(in);
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inbuf = xmalloc(ilen);
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BN_bn2bin(in, inbuf);
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if ((len = RSA_private_decrypt(ilen, inbuf, outbuf, key,
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RSA_PKCS1_PADDING)) <= 0)
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fatal("rsa_private_decrypt() failed");
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BN_bin2bn(outbuf, len, out);
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memset(outbuf, 0, olen);
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memset(inbuf, 0, ilen);
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xfree(outbuf);
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xfree(inbuf);
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}
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