src/pluto/alg/ike_alg_blowfish.c

   1 #include <stdio.h>
   2 #include <string.h>
   3 #include <stddef.h>
   4 #include <sys/types.h>
   5 #include <freeswan.h>
   6
   7 #include "constants.h"
   8 #include "defs.h"
   9 #include "log.h"
  10 #include "alg_info.h"
  11 #include "ike_alg.h"
  12
  13 #define  BLOWFISH_KEY_MIN_LEN   128
  14 #define  BLOWFISH_KEY_MAX_LEN   448
  15
  16
  17 /**
  18  * Blowfish CBC encryption test vectors
  19  */
  20
  21 /**
  22  * Test vector by Eric Young
  23  */
  24
  25 static const u_char bf_test0_key[] = {
  26         0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF,
  27         0xF0, 0xE1, 0xD2, 0xC3, 0xB4, 0xA5, 0x96, 0x87
  28 };
  29
  30 static const u_char bf_test0_iv[] = {
  31         0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10
  32 };
  33
  34 static const u_char bf_test0_plain[] = {
  35         /* "7654321 Now is the time for " */
  36         0x37, 0x36, 0x35, 0x34, 0x33, 0x32, 0x31, 0x20,
  37         0x4E, 0x6F, 0x77, 0x20, 0x69, 0x73, 0x20, 0x74,
  38         0x68, 0x65, 0x20, 0x74, 0x69, 0x6D, 0x65, 0x20,
  39         0x66, 0x6F, 0x72, 0x20, 0x00, 0x00, 0x00, 0x00
  40 };
  41
  42 static const u_char bf_test0_cipher[] = {
  43         0x6B, 0x77, 0xB4, 0xD6, 0x30, 0x06, 0xDE, 0xE6,
  44         0x05, 0xB1, 0x56, 0xE2, 0x74, 0x03, 0x97, 0x93,
  45         0x58, 0xDE, 0xB9, 0xE7, 0x15, 0x46, 0x16, 0xD9,
  46         0x59, 0xF1, 0x65, 0x2B, 0xD5, 0xFF, 0x92, 0xCC
  47 };
  48
  49 /**
  50  * Test vector by Chilkat Software
  51  * (www.chilkatsoft.com/p/php_blowfish.asp)
  52  */
  53
  54 static const u_char bf_test1_key[] = {
  55         0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38,
  56         0x39, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36,
  57         0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48,
  58         0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50
  59 };
  60
  61 static const u_char bf_test1_iv[] = {
  62         0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38
  63 };
  64
  65 static const u_char bf_test1_plain[] = {
  66         /* "The quick brown fox jumped over the lazy dog" */
  67         0x54, 0x68, 0x65, 0x20, 0x71, 0x75, 0x69, 0x63,
  68         0x6b, 0x20, 0x62, 0x72, 0x6f, 0x77, 0x6e, 0x20,
  69         0x66, 0x6f, 0x78, 0x20, 0x6a, 0x75, 0x6d, 0x70,
  70         0x65, 0x64, 0x20, 0x6f, 0x76, 0x65, 0x72, 0x20,
  71         0x74, 0x68, 0x65, 0x20, 0x6c, 0x61, 0x7a, 0x79,
  72         0x20, 0x64, 0x6f, 0x67, 0x00, 0x00, 0x00, 0x00
  73 };
  74
  75 static const u_char bf_test1_cipher[] = {
  76         0x27, 0x68, 0x55, 0xca, 0x6c, 0x0d, 0x60, 0xf7,
  77         0xd9, 0x70, 0x82, 0x10, 0x44, 0x0c, 0x10, 0x72,
  78         0xe0, 0x5d, 0x07, 0x8e, 0x73, 0x3b, 0x34, 0xb4,
  79         0x19, 0x8d, 0x60, 0x9d, 0xc2, 0xfc, 0xc2, 0xf0,
  80         0xc3, 0x09, 0x26, 0xcd, 0xef, 0x3b, 0x6d, 0x52,
  81         0xba, 0xf6, 0xe3, 0x45, 0xaa, 0x03, 0xf8, 0x3e
  82 };
  83
  84 static const enc_testvector_t bf_enc_testvectors[] = {
  85         { sizeof(bf_test0_key), bf_test0_key, bf_test0_iv,
  86           sizeof(bf_test0_plain), bf_test0_plain, bf_test0_cipher },
  87         { sizeof(bf_test1_key), bf_test1_key, bf_test1_iv,
  88           sizeof(bf_test1_plain), bf_test1_plain, bf_test1_cipher },
  89         { 0, NULL, NULL, 0, NULL, NULL }
  90 };
  91
  92 struct encrypt_desc algo_blowfish =
  93 {
  94         algo_type: IKE_ALG_ENCRYPT,
  95         algo_id:   OAKLEY_BLOWFISH_CBC,
  96         algo_next: NULL,
  97
  98         enc_blocksize:  BLOWFISH_BLOCK_SIZE,
  99         keyminlen:              BLOWFISH_KEY_MIN_LEN,
 100         keydeflen:              BLOWFISH_KEY_MIN_LEN,
 101         keymaxlen:              BLOWFISH_KEY_MAX_LEN,
 102         enc_testvectors: bf_enc_testvectors,
 103 };
 104
 105 int ike_alg_blowfish_init(void);
 106
 107 int
 108 ike_alg_blowfish_init(void)
 109 {
 110     int ret = ike_alg_register_enc(&algo_blowfish);
 111
 112     return ret;
 113 }
 114 /*
 115 IKE_ALG_INIT_NAME: ike_alg_blowfish_init
 116 */