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38 results

base64-encode.c

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  • Forked from Nettle / nettle
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    • Niels Möller's avatar
      c5c15385
      * Reordered includes in most or all .c-files. All should now include · c5c15385
      Niels Möller authored
      config.h.
      
      Rev: src/nettle/ChangeLog:1.195
      Rev: src/nettle/aes-decrypt-table.c:1.4
      Rev: src/nettle/aes-decrypt.c:1.5
      Rev: src/nettle/aes-encrypt-table.c:1.4
      Rev: src/nettle/aes-encrypt.c:1.5
      Rev: src/nettle/aes-meta.c:1.3
      Rev: src/nettle/aes-set-decrypt-key.c:1.2
      Rev: src/nettle/aes-set-encrypt-key.c:1.2
      Rev: src/nettle/aes.c:1.12
      Rev: src/nettle/aesdata.c:1.2
      Rev: src/nettle/arcfour-meta.c:1.2
      Rev: src/nettle/arcfour.c:1.3
      Rev: src/nettle/base16-decode.c:1.2
      Rev: src/nettle/base16-encode.c:1.2
      Rev: src/nettle/base16-meta.c:1.3
      Rev: src/nettle/base64-decode.c:1.5
      Rev: src/nettle/base64-encode.c:1.3
      Rev: src/nettle/base64-meta.c:1.4
      Rev: src/nettle/bignum-random.c:1.3
      Rev: src/nettle/bignum.c:1.7
      Rev: src/nettle/blowfish.c:1.4
      Rev: src/nettle/buffer-init.c:1.3
      Rev: src/nettle/buffer.c:1.8
      Rev: src/nettle/cast128-meta.c:1.3
      Rev: src/nettle/cast128.c:1.4
      Rev: src/nettle/cbc.c:1.6
      Rev: src/nettle/des-compat.c:1.10
      Rev: src/nettle/des.c:1.7
      Rev: src/nettle/des3.c:1.2
      Rev: src/nettle/dsa-keygen.c:1.6
      Rev: src/nettle/dsa-sign.c:1.7
      Rev: src/nettle/dsa-verify.c:1.4
      Rev: src/nettle/dsa.c:1.5
      Rev: src/nettle/examples/io.c:1.4
      Rev: src/nettle/examples/nettle-benchmark.c:1.8
      Rev: src/nettle/examples/nettle-openssl.c:1.2
      Rev: src/nettle/examples/rsa-keygen.c:1.10
      Rev: src/nettle/examples/rsa-sign.c:1.5
      Rev: src/nettle/examples/rsa-verify.c:1.4
      Rev: src/nettle/hmac-md5.c:1.5
      Rev: src/nettle/hmac-sha1.c:1.2
      Rev: src/nettle/hmac-sha256.c:1.2
      Rev: src/nettle/hmac.c:1.4
      Rev: src/nettle/knuth-lfib.c:1.2
      Rev: src/nettle/md5-compat.c:1.3
      Rev: src/nettle/md5-meta.c:1.2
      Rev: src/nettle/md5.c:1.6
      Rev: src/nettle/memxor.c:1.2
      Rev: src/nettle/nettle-internal.c:1.3
      Rev: src/nettle/pgp-encode.c:1.4
      Rev: src/nettle/pkcs1-rsa-md5.c:1.2
      Rev: src/nettle/pkcs1-rsa-sha1.c:1.2
      Rev: src/nettle/pkcs1.c:1.2
      Rev: src/nettle/realloc.c:1.3
      Rev: src/nettle/rsa-compat.c:1.8
      Rev: src/nettle/rsa-decrypt.c:1.4
      Rev: src/nettle/rsa-encrypt.c:1.5
      Rev: src/nettle/rsa-keygen.c:1.5
      Rev: src/nettle/rsa-md5-sign.c:1.2
      Rev: src/nettle/rsa-md5-verify.c:1.2
      Rev: src/nettle/rsa-sha1-sign.c:1.2
      Rev: src/nettle/rsa-sha1-verify.c:1.2
      Rev: src/nettle/rsa-sign.c:1.3
      Rev: src/nettle/rsa-verify.c:1.2
      Rev: src/nettle/rsa.c:1.12
      Rev: src/nettle/rsa2openpgp.c:1.2
      Rev: src/nettle/rsa2sexp.c:1.7
      Rev: src/nettle/serpent-meta.c:1.2
      Rev: src/nettle/serpent.c:1.4
      Rev: src/nettle/sexp-format.c:1.9
      Rev: src/nettle/sexp-transport-format.c:1.2
      Rev: src/nettle/sexp-transport.c:1.4
      Rev: src/nettle/sexp.c:1.14
      Rev: src/nettle/sexp2bignum.c:1.5
      Rev: src/nettle/sexp2dsa.c:1.4
      Rev: src/nettle/sexp2rsa.c:1.11
      Rev: src/nettle/sha1-meta.c:1.2
      Rev: src/nettle/sha1.c:1.8
      Rev: src/nettle/sha256-meta.c:1.2
      Rev: src/nettle/sha256.c:1.3
      Rev: src/nettle/tools/input.c:1.2
      Rev: src/nettle/tools/misc.c:1.2
      Rev: src/nettle/tools/output.c:1.3
      Rev: src/nettle/tools/parse.c:1.2
      Rev: src/nettle/tools/sexp-conv.c:1.14
      Rev: src/nettle/twofish-meta.c:1.2
      Rev: src/nettle/twofish.c:1.6
      Rev: src/nettle/yarrow256.c:1.17
      Rev: src/nettle/yarrow_key_event.c:1.4
      c5c15385
      History
      * Reordered includes in most or all .c-files. All should now include
      Niels Möller authored
      config.h.
      
      Rev: src/nettle/ChangeLog:1.195
      Rev: src/nettle/aes-decrypt-table.c:1.4
      Rev: src/nettle/aes-decrypt.c:1.5
      Rev: src/nettle/aes-encrypt-table.c:1.4
      Rev: src/nettle/aes-encrypt.c:1.5
      Rev: src/nettle/aes-meta.c:1.3
      Rev: src/nettle/aes-set-decrypt-key.c:1.2
      Rev: src/nettle/aes-set-encrypt-key.c:1.2
      Rev: src/nettle/aes.c:1.12
      Rev: src/nettle/aesdata.c:1.2
      Rev: src/nettle/arcfour-meta.c:1.2
      Rev: src/nettle/arcfour.c:1.3
      Rev: src/nettle/base16-decode.c:1.2
      Rev: src/nettle/base16-encode.c:1.2
      Rev: src/nettle/base16-meta.c:1.3
      Rev: src/nettle/base64-decode.c:1.5
      Rev: src/nettle/base64-encode.c:1.3
      Rev: src/nettle/base64-meta.c:1.4
      Rev: src/nettle/bignum-random.c:1.3
      Rev: src/nettle/bignum.c:1.7
      Rev: src/nettle/blowfish.c:1.4
      Rev: src/nettle/buffer-init.c:1.3
      Rev: src/nettle/buffer.c:1.8
      Rev: src/nettle/cast128-meta.c:1.3
      Rev: src/nettle/cast128.c:1.4
      Rev: src/nettle/cbc.c:1.6
      Rev: src/nettle/des-compat.c:1.10
      Rev: src/nettle/des.c:1.7
      Rev: src/nettle/des3.c:1.2
      Rev: src/nettle/dsa-keygen.c:1.6
      Rev: src/nettle/dsa-sign.c:1.7
      Rev: src/nettle/dsa-verify.c:1.4
      Rev: src/nettle/dsa.c:1.5
      Rev: src/nettle/examples/io.c:1.4
      Rev: src/nettle/examples/nettle-benchmark.c:1.8
      Rev: src/nettle/examples/nettle-openssl.c:1.2
      Rev: src/nettle/examples/rsa-keygen.c:1.10
      Rev: src/nettle/examples/rsa-sign.c:1.5
      Rev: src/nettle/examples/rsa-verify.c:1.4
      Rev: src/nettle/hmac-md5.c:1.5
      Rev: src/nettle/hmac-sha1.c:1.2
      Rev: src/nettle/hmac-sha256.c:1.2
      Rev: src/nettle/hmac.c:1.4
      Rev: src/nettle/knuth-lfib.c:1.2
      Rev: src/nettle/md5-compat.c:1.3
      Rev: src/nettle/md5-meta.c:1.2
      Rev: src/nettle/md5.c:1.6
      Rev: src/nettle/memxor.c:1.2
      Rev: src/nettle/nettle-internal.c:1.3
      Rev: src/nettle/pgp-encode.c:1.4
      Rev: src/nettle/pkcs1-rsa-md5.c:1.2
      Rev: src/nettle/pkcs1-rsa-sha1.c:1.2
      Rev: src/nettle/pkcs1.c:1.2
      Rev: src/nettle/realloc.c:1.3
      Rev: src/nettle/rsa-compat.c:1.8
      Rev: src/nettle/rsa-decrypt.c:1.4
      Rev: src/nettle/rsa-encrypt.c:1.5
      Rev: src/nettle/rsa-keygen.c:1.5
      Rev: src/nettle/rsa-md5-sign.c:1.2
      Rev: src/nettle/rsa-md5-verify.c:1.2
      Rev: src/nettle/rsa-sha1-sign.c:1.2
      Rev: src/nettle/rsa-sha1-verify.c:1.2
      Rev: src/nettle/rsa-sign.c:1.3
      Rev: src/nettle/rsa-verify.c:1.2
      Rev: src/nettle/rsa.c:1.12
      Rev: src/nettle/rsa2openpgp.c:1.2
      Rev: src/nettle/rsa2sexp.c:1.7
      Rev: src/nettle/serpent-meta.c:1.2
      Rev: src/nettle/serpent.c:1.4
      Rev: src/nettle/sexp-format.c:1.9
      Rev: src/nettle/sexp-transport-format.c:1.2
      Rev: src/nettle/sexp-transport.c:1.4
      Rev: src/nettle/sexp.c:1.14
      Rev: src/nettle/sexp2bignum.c:1.5
      Rev: src/nettle/sexp2dsa.c:1.4
      Rev: src/nettle/sexp2rsa.c:1.11
      Rev: src/nettle/sha1-meta.c:1.2
      Rev: src/nettle/sha1.c:1.8
      Rev: src/nettle/sha256-meta.c:1.2
      Rev: src/nettle/sha256.c:1.3
      Rev: src/nettle/tools/input.c:1.2
      Rev: src/nettle/tools/misc.c:1.2
      Rev: src/nettle/tools/output.c:1.3
      Rev: src/nettle/tools/parse.c:1.2
      Rev: src/nettle/tools/sexp-conv.c:1.14
      Rev: src/nettle/twofish-meta.c:1.2
      Rev: src/nettle/twofish.c:1.6
      Rev: src/nettle/yarrow256.c:1.17
      Rev: src/nettle/yarrow_key_event.c:1.4
    generate_q.c 3.21 KiB
    /*
     * generate_q - Generates the permutations q0 and q1 for twofish.
     * Copyright (C) 1999 Ruud de Rooij <ruud@debian.org>
     *
     * This program is free software; you can redistribute it and/or modify
     * it under the terms of 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.
     *
     * This program 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 a copy of the GNU General Public License
     * along with this program; if not, write to the Free Software
     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
     */
    
    #include <stdio.h>
    
    typedef unsigned char byte;
    
    #define ror4(x) (((x) >> 1) | (((x) & 1) << 3))
    
    static byte q0(byte x)
    {
    
        static byte t0[16] = { 0x8, 0x1, 0x7, 0xD, 0x6, 0xF, 0x3, 0x2,
                               0x0, 0xB, 0x5, 0x9, 0xE, 0xC, 0xA, 0x4 };
        static byte t1[16] = { 0xE, 0xC, 0xB, 0x8, 0x1, 0x2, 0x3, 0x5,
                               0xF, 0x4, 0xA, 0x6, 0x7, 0x0, 0x9, 0xD };
        static byte t2[16] = { 0xB, 0xA, 0x5, 0xE, 0x6, 0xD, 0x9, 0x0,
                               0xC, 0x8, 0xF, 0x3, 0x2, 0x4, 0x7, 0x1 };
        static byte t3[16] = { 0xD, 0x7, 0xF, 0x4, 0x1, 0x2, 0x6, 0xE,
                               0x9, 0xB, 0x3, 0x0, 0x8, 0x5, 0xC, 0xA };
    
        byte a0 = x / 16;
        byte b0 = x % 16;
    
        byte a1 = a0 ^ b0;
        byte b1 = a0 ^ ror4(b0) ^ ((8*a0) % 16);
    
        byte a2 = t0[a1];
        byte b2 = t1[b1];
    
        byte a3 = a2 ^ b2;
        byte b3 = a2 ^ ror4(b2) ^ ((8*a2) % 16);
    
        byte a4 = t2[a3];
        byte b4 = t3[b3];
    
        byte y = 16*b4 + a4;
    
        return y;
    }
    
    static byte q1(byte x)
    {
        static byte t0[16] = { 0x2, 0x8, 0xB, 0xD, 0xF, 0x7, 0x6, 0xE,
                               0x3, 0x1, 0x9, 0x4, 0x0, 0xA, 0xC, 0x5 };
        static byte t1[16] = { 0x1, 0xE, 0x2, 0xB, 0x4, 0xC, 0x3, 0x7,
                               0x6, 0xD, 0xA, 0x5, 0xF, 0x9, 0x0, 0x8 };
        static byte t2[16] = { 0x4, 0xC, 0x7, 0x5, 0x1, 0x6, 0x9, 0xA,
                               0x0, 0xE, 0xD, 0x8, 0x2, 0xB, 0x3, 0xF };
        static byte t3[16] = { 0xB, 0x9, 0x5, 0x1, 0xC, 0x3, 0xD, 0xE,
                               0x6, 0x4, 0x7, 0xF, 0x2, 0x0, 0x8, 0xA };
    
        byte a0 = x / 16;
        byte b0 = x % 16;