Skip to content
Snippets Groups Projects
Select Git revision
  • 5bbf1a4daf25c6fa068cb80c74949322d6fa581f
  • master default protected
  • hpke
  • ppc-chacha-4core
  • delete-internal-name-mangling
  • master-updates
  • ppc-gcm
  • ppc-chacha-2core
  • refactor-ecc-mod
  • ppc-chacha-core
  • use-mpn_cnd-functions
  • optimize-ecc-invert
  • default-m4-quote-char
  • power-asm-wip
  • test-fat
  • chacha-3core-neon
  • x86_64-salsa20-2core
  • salsa20-2core-neon
  • bcrypt
  • arm-salsa20-chacha-vsra
  • test-shlib-dir
  • nettle_3.6_release_20200429
  • nettle_3.6rc3
  • nettle_3.6rc2
  • nettle_3.6rc1
  • nettle_3.5.1_release_20190627
  • nettle_3.5_release_20190626
  • nettle_3.5rc1
  • nettle_3.4.1_release_20181204
  • nettle_3.4.1rc1
  • nettle_3.4_release_20171119
  • nettle_3.4rc2
  • nettle_3.4rc1
  • nettle_3.3_release_20161001
  • nettle_3.2_release_20160128
  • nettle_3.1.1_release_20150424
  • nettle_3.1_release_20150407
  • nettle_3.1rc3
  • nettle_3.1rc2
  • nettle_3.1rc1
  • nettle_3.0_release_20140607
41 results

base16-encode.c

Blame
  • Forked from Nettle / nettle
    Source project has a limited visibility.
    base16-encode.c 1.54 KiB
    /* base16-encode.c
     *
     * Hex encoding.
     */
    
    /* nettle, low-level cryptographics library
     *
     * Copyright (C) 2002 Niels Möller
     *  
     * The nettle library is free software; you can redistribute it and/or modify
     * it under the terms of the GNU Lesser General Public License as published by
     * the Free Software Foundation; either version 2.1 of the License, or (at your
     * option) any later version.
     * 
     * The nettle library 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 Lesser General Public
     * License for more details.
     * 
     * You should have received a copy of the GNU Lesser General Public License
     * along with the nettle library; see the file COPYING.LIB.  If not, write to
     * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
     * MA 02111-1307, USA.
     */
     
    #if HAVE_CONFIG_H
    # include "config.h"
    #endif
    
    #include "base16.h"
    
    
    static const uint8_t
    hex_digits[16] = "0123456789abcdef";
    
    #define DIGIT(x) (hex_digits[(x) & 0xf])
    
    /* FIXME: Is this really needed? */
    /* Encodes a single byte. Always stores two digits in dst[0] and dst[1]. */
    void
    base16_encode_single(uint8_t *dst,
    		     uint8_t src)
    {
      dst[0] = DIGIT(src/0x10);
      dst[1] = DIGIT(src);
    }
    
    /* Always stores BASE16_ENCODE_LENGTH(length) digits in dst. */
    void
    base16_encode_update(uint8_t *dst,
    		     unsigned length,
    		     const uint8_t *src)
    {
      unsigned i;
      
      for (i = 0, dst; i<length; i++, dst += 2)
        base16_encode_single(dst, src[i]);
    }