src/usr.bin/ssh/auth-rsa.c - diff

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Diff for /src/usr.bin/ssh/Attic/auth-rsa.c between version 1.64 and 1.64.2.2

version 1.64, 2006/02/20 17:19:53

version 1.64.2.2, 2006/11/08 00:17:14

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/* $OpenBSD$ */

* Author: Tatu Ylonen <ylo@cs.hut.fi>

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* called by a name other than "ssh" or "Secure Shell".

#include "includes.h"

RCSID("$OpenBSD$");

#include <sys/types.h>

#include <sys/stat.h>

#include <openssl/rsa.h>

#include <openssl/md5.h>

#include <pwd.h>

#include <stdio.h>

#include <string.h>

#include "xmalloc.h"

#include "rsa.h"

#include "packet.h"

#include "xmalloc.h"

#include "ssh1.h"

#include "uidswap.h"

#include "match.h"

#include "buffer.h"

#include "auth-options.h"

#include "pathnames.h"

#include "log.h"

#include "servconf.h"

#include "auth.h"

#include "key.h"

#include "hostfile.h"

#include "auth.h"

#ifdef GSSAPI

#include "ssh-gss.h"

#endif

#include "monitor_wrap.h"

#include "ssh.h"

#include "misc.h"

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if ((challenge = BN_new()) == NULL)

fatal("auth_rsa_generate_challenge: BN_new() failed");

/* Generate a random challenge. */

BN_rand(challenge, 256, 0, 0);

if (BN_rand(challenge, 256, 0, 0) == 0)

fatal("auth_rsa_generate_challenge: BN_rand failed");

if ((ctx = BN_CTX_new()) == NULL)

fatal("auth_rsa_generate_challenge: BN_CTX_new() failed");

fatal("auth_rsa_generate_challenge: BN_CTX_new failed");

BN_mod(challenge, challenge, key->rsa->n, ctx);

if (BN_mod(challenge, challenge, key->rsa->n, ctx) == 0)

fatal("auth_rsa_generate_challenge: BN_mod failed");

BN_CTX_free(ctx);

return challenge;

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/* Wait for a response. */

packet_read_expect(SSH_CMSG_AUTH_RSA_RESPONSE);

for (i = 0; i < 16; i++)

response[i] = packet_get_char();

response[i] = (u_char)packet_get_char();

packet_check_eom();

success = PRIVSEP(auth_rsa_verify_response(key, challenge, response));