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annotate libtomcrypt/src/ciphers/multi2.c @ 1787:ce3ce75a6e04

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Fix null pointer dereference removing listeners
author Matt Johnston <matt@ucc.asn.au>
date Mon, 07 Dec 2020 20:03:24 +0800
parents 6dba84798cd5
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1435
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1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
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2 *
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3 * LibTomCrypt is a library that provides various cryptographic
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4 * algorithms in a highly modular and flexible manner.
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5 *
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6 * The library is free for all purposes without any express
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7 * guarantee it works.
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8 */
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9
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10 /**
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11 @file multi2.c
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12 Multi-2 implementation (not public domain, hence the default disable)
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13 */
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14 #include "tomcrypt.h"
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15
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16 #ifdef LTC_MULTI2
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17
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18 static void pi1(ulong32 *p)
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19 {
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20 p[1] ^= p[0];
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21 }
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22
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23 static void pi2(ulong32 *p, ulong32 *k)
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24 {
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25 ulong32 t;
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26 t = (p[1] + k[0]) & 0xFFFFFFFFUL;
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27 t = (ROL(t, 1) + t - 1) & 0xFFFFFFFFUL;
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28 t = (ROL(t, 4) ^ t) & 0xFFFFFFFFUL;
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29 p[0] ^= t;
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30 }
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31
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32 static void pi3(ulong32 *p, ulong32 *k)
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33 {
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34 ulong32 t;
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35 t = p[0] + k[1];
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36 t = (ROL(t, 2) + t + 1) & 0xFFFFFFFFUL;
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37 t = (ROL(t, 8) ^ t) & 0xFFFFFFFFUL;
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38 t = (t + k[2]) & 0xFFFFFFFFUL;
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39 t = (ROL(t, 1) - t) & 0xFFFFFFFFUL;
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40 t = ROL(t, 16) ^ (p[0] | t);
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41 p[1] ^= t;
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42 }
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43
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44 static void pi4(ulong32 *p, ulong32 *k)
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45 {
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46 ulong32 t;
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47 t = (p[1] + k[3]) & 0xFFFFFFFFUL;
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48 t = (ROL(t, 2) + t + 1) & 0xFFFFFFFFUL;
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49 p[0] ^= t;
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50 }
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51
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52 static void setup(ulong32 *dk, ulong32 *k, ulong32 *uk)
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53 {
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54 int n, t;
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55 ulong32 p[2];
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56
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57 p[0] = dk[0]; p[1] = dk[1];
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58
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59 t = 4;
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60 n = 0;
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61 pi1(p);
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62 pi2(p, k);
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63 uk[n++] = p[0];
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64 pi3(p, k);
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65 uk[n++] = p[1];
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66 pi4(p, k);
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67 uk[n++] = p[0];
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68 pi1(p);
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69 uk[n++] = p[1];
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70 pi2(p, k+t);
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71 uk[n++] = p[0];
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72 pi3(p, k+t);
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73 uk[n++] = p[1];
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74 pi4(p, k+t);
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75 uk[n++] = p[0];
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76 pi1(p);
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77 uk[n++] = p[1];
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78 }
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79
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80 static void encrypt(ulong32 *p, int N, ulong32 *uk)
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81 {
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82 int n, t;
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83 for (t = n = 0; ; ) {
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84 pi1(p); if (++n == N) break;
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85 pi2(p, uk+t); if (++n == N) break;
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86 pi3(p, uk+t); if (++n == N) break;
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87 pi4(p, uk+t); if (++n == N) break;
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88 t ^= 4;
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89 }
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90 }
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91
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92 static void decrypt(ulong32 *p, int N, ulong32 *uk)
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93 {
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94 int n, t;
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95 for (t = 4*(((N-1)>>2)&1), n = N; ; ) {
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96 switch (n<=4 ? n : ((n-1)%4)+1) {
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97 case 4: pi4(p, uk+t); --n; /* FALLTHROUGH */
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98 case 3: pi3(p, uk+t); --n; /* FALLTHROUGH */
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99 case 2: pi2(p, uk+t); --n; /* FALLTHROUGH */
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100 case 1: pi1(p); --n; break;
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101 case 0: return;
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102 }
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103 t ^= 4;
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104 }
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105 }
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106
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107 const struct ltc_cipher_descriptor multi2_desc = {
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108 "multi2",
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109 22,
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110 40, 40, 8, 128,
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111 &multi2_setup,
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112 &multi2_ecb_encrypt,
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113 &multi2_ecb_decrypt,
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114 &multi2_test,
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115 &multi2_done,
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116 &multi2_keysize,
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117 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
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118 };
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119
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120 int multi2_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey)
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121 {
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122 ulong32 sk[8], dk[2];
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123 int x;
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124
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125 LTC_ARGCHK(key != NULL);
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126 LTC_ARGCHK(skey != NULL);
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127
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128 if (keylen != 40) return CRYPT_INVALID_KEYSIZE;
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129 if (num_rounds == 0) num_rounds = 128;
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130
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131 skey->multi2.N = num_rounds;
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132 for (x = 0; x < 8; x++) {
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parents:
diff changeset
133 LOAD32H(sk[x], key + x*4);
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
134 }
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
135 LOAD32H(dk[0], key + 32);
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
136 LOAD32H(dk[1], key + 36);
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
137 setup(dk, sk, skey->multi2.uk);
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
138
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
139 zeromem(sk, sizeof(sk));
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
140 zeromem(dk, sizeof(dk));
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
141 return CRYPT_OK;
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
142 }
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
143
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
144 /**
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
145 Encrypts a block of text with multi2
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
146 @param pt The input plaintext (8 bytes)
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
147 @param ct The output ciphertext (8 bytes)
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
148 @param skey The key as scheduled
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
149 @return CRYPT_OK if successful
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
150 */
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
151 int multi2_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
152 {
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
153 ulong32 p[2];
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
154 LTC_ARGCHK(pt != NULL);
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
155 LTC_ARGCHK(ct != NULL);
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
156 LTC_ARGCHK(skey != NULL);
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
157 LOAD32H(p[0], pt);
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
158 LOAD32H(p[1], pt+4);
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
159 encrypt(p, skey->multi2.N, skey->multi2.uk);
1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents: 1435
diff changeset
160 STORE32H(p[0], ct);
1435
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
161 STORE32H(p[1], ct+4);
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
162 return CRYPT_OK;
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
163 }
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
164
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
165 /**
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
166 Decrypts a block of text with multi2
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
167 @param ct The input ciphertext (8 bytes)
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
168 @param pt The output plaintext (8 bytes)
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
169 @param skey The key as scheduled
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
170 @return CRYPT_OK if successful
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
171 */
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
172 int multi2_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
173 {
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
174 ulong32 p[2];
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
175 LTC_ARGCHK(pt != NULL);
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
176 LTC_ARGCHK(ct != NULL);
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
177 LTC_ARGCHK(skey != NULL);
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
178 LOAD32H(p[0], ct);
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
179 LOAD32H(p[1], ct+4);
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
180 decrypt(p, skey->multi2.N, skey->multi2.uk);
1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents: 1435
diff changeset
181 STORE32H(p[0], pt);
1435
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
182 STORE32H(p[1], pt+4);
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
183 return CRYPT_OK;
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
184 }
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
185
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
186 /**
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
187 Performs a self-test of the multi2 block cipher
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
188 @return CRYPT_OK if functional, CRYPT_NOP if self-test has been disabled
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
189 */
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
190 int multi2_test(void)
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
191 {
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
192 static const struct {
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
193 unsigned char key[40];
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
194 unsigned char pt[8], ct[8];
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
195 int rounds;
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
196 } tests[] = {
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
197 {
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
198 {
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
199 0x00, 0x00, 0x00, 0x00,
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
200 0x00, 0x00, 0x00, 0x00,
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
201 0x00, 0x00, 0x00, 0x00,
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
202 0x00, 0x00, 0x00, 0x00,
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
203
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
204 0x00, 0x00, 0x00, 0x00,
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
205 0x00, 0x00, 0x00, 0x00,
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
206 0x00, 0x00, 0x00, 0x00,
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
207 0x00, 0x00, 0x00, 0x00,
1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents: 1435
diff changeset
208
1435
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
209 0x01, 0x23, 0x45, 0x67,
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
210 0x89, 0xAB, 0xCD, 0xEF
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
211 },
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
212 {
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
213 0x00, 0x00, 0x00, 0x00,
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
214 0x00, 0x00, 0x00, 0x01,
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
215 },
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
216 {
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
217 0xf8, 0x94, 0x40, 0x84,
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
218 0x5e, 0x11, 0xcf, 0x89
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
219 },
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
220 128,
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
221 },
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
222 {
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
223 {
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
224 0x35, 0x91, 0x9d, 0x96,
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
225 0x07, 0x02, 0xe2, 0xce,
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
226 0x8d, 0x0b, 0x58, 0x3c,
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
227 0xc9, 0xc8, 0x9d, 0x59,
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
228 0xa2, 0xae, 0x96, 0x4e,
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
229 0x87, 0x82, 0x45, 0xed,
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
230 0x3f, 0x2e, 0x62, 0xd6,
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
231 0x36, 0x35, 0xd0, 0x67,
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
232
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
233 0xb1, 0x27, 0xb9, 0x06,
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
234 0xe7, 0x56, 0x22, 0x38,
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
235 },
1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents: 1435
diff changeset
236 {
1435
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
237 0x1f, 0xb4, 0x60, 0x60,
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
238 0xd0, 0xb3, 0x4f, 0xa5
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
239 },
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
240 {
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
241 0xca, 0x84, 0xa9, 0x34,
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
242 0x75, 0xc8, 0x60, 0xe5
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
243 },
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
244 216,
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
245 }
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
246 };
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
247 unsigned char buf[8];
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
248 symmetric_key skey;
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
249 int err, x;
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
250
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
251 for (x = 1; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) {
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
252 if ((err = multi2_setup(tests[x].key, 40, tests[x].rounds, &skey)) != CRYPT_OK) {
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
253 return err;
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
254 }
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
255 if ((err = multi2_ecb_encrypt(tests[x].pt, buf, &skey)) != CRYPT_OK) {
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
256 return err;
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
257 }
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
258
1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents: 1435
diff changeset
259 if (compare_testvector(buf, 8, tests[x].ct, 8, "Multi2 Encrypt", x)) {
1435
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
260 return CRYPT_FAIL_TESTVECTOR;
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
261 }
1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents: 1435
diff changeset
262
1435
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
263 if ((err = multi2_ecb_decrypt(buf, buf, &skey)) != CRYPT_OK) {
f849a5ca2efc update to libtomcrypt 1.17 (with Dropbear changes)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
264 return err;
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265 }
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266 if (compare_testvector(buf, 8, tests[x].pt, 8, "Multi2 Decrypt", x)) {
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267 return CRYPT_FAIL_TESTVECTOR;
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268 }
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269 }
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270
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271 for (x = 128; x < 256; ++x) {
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272 unsigned char ct[8];
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273
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274 if ((err = multi2_setup(tests[0].key, 40, x, &skey)) != CRYPT_OK) {
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275 return err;
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276 }
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277 if ((err = multi2_ecb_encrypt(tests[0].pt, ct, &skey)) != CRYPT_OK) {
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278 return err;
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279 }
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280 if ((err = multi2_ecb_decrypt(ct, buf, &skey)) != CRYPT_OK) {
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281 return err;
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282 }
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283 if (compare_testvector(buf, 8, tests[0].pt, 8, "Multi2 Rounds", x)) {
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284 return CRYPT_FAIL_TESTVECTOR;
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285 }
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286 }
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287
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288 return CRYPT_OK;
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289 }
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290
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291 /** Terminate the context
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292 @param skey The scheduled key
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293 */
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294 void multi2_done(symmetric_key *skey)
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295 {
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296 LTC_UNUSED_PARAM(skey);
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297 }
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298
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299 /**
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300 Gets suitable key size
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301 @param keysize [in/out] The length of the recommended key (in bytes). This function will store the suitable size back in this variable.
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302 @return CRYPT_OK if the input key size is acceptable.
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303 */
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304 int multi2_keysize(int *keysize)
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305 {
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306 LTC_ARGCHK(keysize != NULL);
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307 if (*keysize >= 40) {
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308 *keysize = 40;
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309 } else {
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310 return CRYPT_INVALID_KEYSIZE;
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311 }
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312 return CRYPT_OK;
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313 }
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314
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315 #endif
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316
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317 /* ref: $Format:%D$ */
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318 /* git commit: $Format:%H$ */
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319 /* commit time: $Format:%ai$ */