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41 results

rsa2openpgp.c

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  • fat-x86_64.c 5.20 KiB
    /* fat-x86_64.c
    
       Copyright (C) 2015 Niels Möller
    
       This file is part of GNU Nettle.
    
       GNU Nettle is free software: you can redistribute it and/or
       modify it under the terms of either:
    
         * the GNU Lesser General Public License as published by the Free
           Software Foundation; either version 3 of the License, or (at your
           option) any later version.
    
       or
    
         * the GNU General Public License as published by the Free
           Software Foundation; either version 2 of the License, or (at your
           option) any later version.
    
       or both in parallel, as here.
    
       GNU Nettle is distributed in the hope that it will be useful,
       but WITHOUT ANY WARRANTY; without even the implied warranty of
       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
       General Public License for more details.
    
       You should have received copies of the GNU General Public License and
       the GNU Lesser General Public License along with this program.  If
       not, see http://www.gnu.org/licenses/.
    */
    
    #define _GNU_SOURCE
    
    #if HAVE_CONFIG_H
    # include "config.h"
    #endif
    
    #include <assert.h>
    #include <stdio.h>
    #include <stdlib.h>
    #include <string.h>
    
    #include "nettle-types.h"
    
    #include "aes-internal.h"
    #include "memxor.h"
    #include "fat-setup.h"
    
    void _nettle_cpuid (uint32_t input, uint32_t regs[4]);
    
    struct x86_features
    {
      enum x86_vendor { X86_OTHER, X86_INTEL, X86_AMD } vendor;
      int have_aesni;
    };
    
    #define SKIP(s, slen, literal, llen)				\
      (((slen) >= (llen) && memcmp ((s), (literal), llen) == 0)	\
       ? ((slen) -= (llen), (s) += (llen), 1) : 0)
    #define MATCH(s, slen, literal, llen)				\
      ((slen) == (llen) && memcmp ((s), (literal), llen) == 0)
    
    static void
    get_x86_features (struct x86_features *features)
    {
      const char *s;
      features->vendor = X86_OTHER;
      features->have_aesni = 0;
    
      s = secure_getenv (ENV_OVERRIDE);