test_ciphers.c

   1 /*
   2  * Copyright (C) 2018,2020 Vitaly Chikunov <vt@altlinux.org>. All Rights Reserved.
   3  *
   4  * Contents licensed under the terms of the OpenSSL license
   5  * See https://www.openssl.org/source/license.html for details
   6  */
   7
   8 #ifdef _MSC_VER
   9 # pragma warning(push, 3)
  10 # include <openssl/applink.c>
  11 # pragma warning(pop)
  12 #endif
  13 #include <openssl/engine.h>
  14 #include <openssl/provider.h>
  15 #include <openssl/evp.h>
  16 #include <openssl/rand.h>
  17 #include <openssl/err.h>
  18 #include <openssl/asn1.h>
  19 #include <string.h>
  20
  21 #if defined _MSC_VER
  22 # include <malloc.h>
  23 # define alloca _alloca
  24 #elif defined __linux__
  25 # include <alloca.h>
  26 #endif
  27 #include <stdlib.h>
  28
  29 #define T(e) \
  30     if (!(e)) { \
  31         ERR_print_errors_fp(stderr); \
  32         OpenSSLDie(__FILE__, __LINE__, #e); \
  33     }
  34
  35 #define cRED    "\033[1;31m"
  36 #define cDRED   "\033[0;31m"
  37 #define cGREEN  "\033[1;32m"
  38 #define cDGREEN "\033[0;32m"
  39 #define cBLUE   "\033[1;34m"
  40 #define cMAGENT "\033[1;35m"
  41 #define cDBLUE  "\033[0;34m"
  42 #define cNORM   "\033[m"
  43 #define TEST_ASSERT(e) {if ((test = (e))) \
  44                  printf(cRED "Test FAILED" cNORM "\n"); \
  45              else \
  46                  printf(cGREEN "Test passed" cNORM "\n");}
  47
  48 #ifdef __GNUC__
  49 /* Pragma to allow commenting out some tests. */
  50 # pragma GCC diagnostic ignored "-Wunused-const-variable"
  51 #endif
  52
  53 /*
  54  * Test keys from both GOST R 34.12-2015 and GOST R 34.13-2015,
  55  * for 128-bit cipher (A.1).
  56  */
  57 static const unsigned char K[32] = {
  58     0x88,0x99,0xaa,0xbb,0xcc,0xdd,0xee,0xff,0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,
  59     0xfe,0xdc,0xba,0x98,0x76,0x54,0x32,0x10,0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef,
  60 };
  61
  62 /*
  63  * Key for 64-bit cipher (A.2).
  64  */
  65 static const unsigned char Km[32] = {
  66     0xff,0xee,0xdd,0xcc,0xbb,0xaa,0x99,0x88,0x77,0x66,0x55,0x44,0x33,0x22,0x11,0x00,
  67     0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,0xfe,0xff,
  68 };
  69
  70 /*
  71  * Plaintext from GOST R 34.13-2015 A.1.
  72  * First 16 bytes is vector (a) from GOST R 34.12-2015 A.1.
  73  */
  74 static const unsigned char P[] = {
  75     0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x00,0xff,0xee,0xdd,0xcc,0xbb,0xaa,0x99,0x88,
  76     0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xee,0xff,0x0a,
  77     0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xee,0xff,0x0a,0x00,
  78     0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xee,0xff,0x0a,0x00,0x11,
  79 };
  80
  81 /* Plaintext for 64-bit cipher (A.2) */
  82 static const unsigned char Pm[] = {
  83     0x92,0xde,0xf0,0x6b,0x3c,0x13,0x0a,0x59,0xdb,0x54,0xc7,0x04,0xf8,0x18,0x9d,0x20,
  84     0x4a,0x98,0xfb,0x2e,0x67,0xa8,0x02,0x4c,0x89,0x12,0x40,0x9b,0x17,0xb5,0x7e,0x41,
  85 };
  86
  87 /* Extended plaintext from tc26 acpkm Kuznyechik test vector */
  88 static const unsigned char P_acpkm[] = {
  89     0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x00,0xFF,0xEE,0xDD,0xCC,0xBB,0xAA,0x99,0x88,
  90     0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xEE,0xFF,0x0A,
  91     0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xEE,0xFF,0x0A,0x00,
  92     0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xEE,0xFF,0x0A,0x00,0x11,
  93     0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xEE,0xFF,0x0A,0x00,0x11,0x22,
  94     0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xEE,0xFF,0x0A,0x00,0x11,0x22,0x33,
  95     0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xEE,0xFF,0x0A,0x00,0x11,0x22,0x33,0x44,
  96 };
  97 static const unsigned char E_ecb[] = {
  98     /* ECB test vectors from GOST R 34.13-2015  A.1.1 */
  99     /* first 16 bytes is vector (b) from GOST R 34.12-2015 A.1 */
 100     0x7f,0x67,0x9d,0x90,0xbe,0xbc,0x24,0x30,0x5a,0x46,0x8d,0x42,0xb9,0xd4,0xed,0xcd,
 101     0xb4,0x29,0x91,0x2c,0x6e,0x00,0x32,0xf9,0x28,0x54,0x52,0xd7,0x67,0x18,0xd0,0x8b,
 102     0xf0,0xca,0x33,0x54,0x9d,0x24,0x7c,0xee,0xf3,0xf5,0xa5,0x31,0x3b,0xd4,0xb1,0x57,
 103     0xd0,0xb0,0x9c,0xcd,0xe8,0x30,0xb9,0xeb,0x3a,0x02,0xc4,0xc5,0xaa,0x8a,0xda,0x98,
 104 };
 105 static const unsigned char E_ctr[] = {
 106     /* CTR test vectors from GOST R 34.13-2015  A.1.2 */
 107     0xf1,0x95,0xd8,0xbe,0xc1,0x0e,0xd1,0xdb,0xd5,0x7b,0x5f,0xa2,0x40,0xbd,0xa1,0xb8,
 108     0x85,0xee,0xe7,0x33,0xf6,0xa1,0x3e,0x5d,0xf3,0x3c,0xe4,0xb3,0x3c,0x45,0xde,0xe4,
 109     0xa5,0xea,0xe8,0x8b,0xe6,0x35,0x6e,0xd3,0xd5,0xe8,0x77,0xf1,0x35,0x64,0xa3,0xa5,
 110     0xcb,0x91,0xfa,0xb1,0xf2,0x0c,0xba,0xb6,0xd1,0xc6,0xd1,0x58,0x20,0xbd,0xba,0x73,
 111 };
 112 static const unsigned char Em_ctr[] = {
 113     /* CTR test vectors from GOST R 34.13-2015  A.2.2 */
 114     0x4e,0x98,0x11,0x0c,0x97,0xb7,0xb9,0x3c,0x3e,0x25,0x0d,0x93,0xd6,0xe8,0x5d,0x69,
 115     0x13,0x6d,0x86,0x88,0x07,0xb2,0xdb,0xef,0x56,0x8e,0xb6,0x80,0xab,0x52,0xa1,0x2d,
 116 };
 117 static const unsigned char E_acpkm[] = {
 118     0xF1,0x95,0xD8,0xBE,0xC1,0x0E,0xD1,0xDB,0xD5,0x7B,0x5F,0xA2,0x40,0xBD,0xA1,0xB8,
 119     0x85,0xEE,0xE7,0x33,0xF6,0xA1,0x3E,0x5D,0xF3,0x3C,0xE4,0xB3,0x3C,0x45,0xDE,0xE4,
 120     0x4B,0xCE,0xEB,0x8F,0x64,0x6F,0x4C,0x55,0x00,0x17,0x06,0x27,0x5E,0x85,0xE8,0x00,
 121     0x58,0x7C,0x4D,0xF5,0x68,0xD0,0x94,0x39,0x3E,0x48,0x34,0xAF,0xD0,0x80,0x50,0x46,
 122     0xCF,0x30,0xF5,0x76,0x86,0xAE,0xEC,0xE1,0x1C,0xFC,0x6C,0x31,0x6B,0x8A,0x89,0x6E,
 123     0xDF,0xFD,0x07,0xEC,0x81,0x36,0x36,0x46,0x0C,0x4F,0x3B,0x74,0x34,0x23,0x16,0x3E,
 124     0x64,0x09,0xA9,0xC2,0x82,0xFA,0xC8,0xD4,0x69,0xD2,0x21,0xE7,0xFB,0xD6,0xDE,0x5D,
 125 };
 126 /* Test vector from R 23565.1.017-2018 A.4.2.
 127  * Key material from ACPKM-Master(K,768,3) for OMAC-ACPKM. */
 128 static const unsigned char E_acpkm_master[] = {
 129     0x0C,0xAB,0xF1,0xF2,0xEF,0xBC,0x4A,0xC1,0x60,0x48,0xDF,0x1A,0x24,0xC6,0x05,0xB2,
 130     0xC0,0xD1,0x67,0x3D,0x75,0x86,0xA8,0xEC,0x0D,0xD4,0x2C,0x45,0xA4,0xF9,0x5B,0xAE,
 131     0x0F,0x2E,0x26,0x17,0xE4,0x71,0x48,0x68,0x0F,0xC3,0xE6,0x17,0x8D,0xF2,0xC1,0x37,
 132     0xC9,0xDD,0xA8,0x9C,0xFF,0xA4,0x91,0xFE,0xAD,0xD9,0xB3,0xEA,0xB7,0x03,0xBB,0x31,
 133     0xBC,0x7E,0x92,0x7F,0x04,0x94,0x72,0x9F,0x51,0xB4,0x9D,0x3D,0xF9,0xC9,0x46,0x08,
 134     0x00,0xFB,0xBC,0xF5,0xED,0xEE,0x61,0x0E,0xA0,0x2F,0x01,0x09,0x3C,0x7B,0xC7,0x42,
 135     0xD7,0xD6,0x27,0x15,0x01,0xB1,0x77,0x77,0x52,0x63,0xC2,0xA3,0x49,0x5A,0x83,0x18,
 136     0xA8,0x1C,0x79,0xA0,0x4F,0x29,0x66,0x0E,0xA3,0xFD,0xA8,0x74,0xC6,0x30,0x79,0x9E,
 137     0x14,0x2C,0x57,0x79,0x14,0xFE,0xA9,0x0D,0x3B,0xC2,0x50,0x2E,0x83,0x36,0x85,0xD9,
 138 };
 139 static const unsigned char P_acpkm_master[sizeof(E_acpkm_master)] = { 0 };
 140 /*
 141  * Other modes (ofb, cbc, cfb) is impossible to test to match GOST R
 142  * 34.13-2015 test vectors exactly, due to these vectors having exceeding
 143  * IV length value (m) = 256 bits, while openssl have hard-coded limit
 144  * of maximum IV length of 128 bits (EVP_MAX_IV_LENGTH).
 145  * Also, current grasshopper code having fixed IV length of 128 bits.
 146  *
 147  * Thus, new test vectors are generated with truncated 128-bit IV using
 148  * canonical GOST implementation from TC26.
 149  */
 150 static const unsigned char E_ofb[] = {
 151     /* OFB test vector generated from canonical implementation */
 152     0x81,0x80,0x0a,0x59,0xb1,0x84,0x2b,0x24,0xff,0x1f,0x79,0x5e,0x89,0x7a,0xbd,0x95,
 153     0x77,0x91,0x46,0xdb,0x2d,0x93,0xa9,0x4e,0xd9,0x3c,0xf6,0x8b,0x32,0x39,0x7f,0x19,
 154     0xe9,0x3c,0x9e,0x57,0x44,0x1d,0x87,0x05,0x45,0xf2,0x40,0x36,0xa5,0x8c,0xee,0xa3,
 155     0xcf,0x3f,0x00,0x61,0xd5,0x64,0x23,0x54,0x5b,0x96,0x0d,0x86,0x4c,0xc8,0x68,0xda,
 156 };
 157 static const unsigned char E_cbc[] = {
 158     /* CBC test vector generated from canonical implementation */
 159     0x68,0x99,0x72,0xd4,0xa0,0x85,0xfa,0x4d,0x90,0xe5,0x2e,0x3d,0x6d,0x7d,0xcc,0x27,
 160     0xab,0xf1,0x70,0xb2,0xb2,0x26,0xc3,0x01,0x0c,0xcf,0xa1,0x36,0xd6,0x59,0xcd,0xaa,
 161     0xca,0x71,0x92,0x72,0xab,0x1d,0x43,0x8e,0x15,0x50,0x7d,0x52,0x1e,0xcd,0x55,0x22,
 162     0xe0,0x11,0x08,0xff,0x8d,0x9d,0x3a,0x6d,0x8c,0xa2,0xa5,0x33,0xfa,0x61,0x4e,0x71,
 163 };
 164 static const unsigned char E_cfb[] = {
 165     /* CFB test vector generated from canonical implementation */
 166     0x81,0x80,0x0a,0x59,0xb1,0x84,0x2b,0x24,0xff,0x1f,0x79,0x5e,0x89,0x7a,0xbd,0x95,
 167     0x68,0xc1,0xb9,0x9c,0x4d,0xf5,0x9c,0xc7,0x95,0x1e,0x37,0x39,0xb5,0xb3,0xcd,0xbf,
 168     0x07,0x3f,0x4d,0xd2,0xd6,0xde,0xb3,0xcf,0xb0,0x26,0x54,0x5f,0x7a,0xf1,0xd8,0xe8,
 169     0xe1,0xc8,0x52,0xe9,0xa8,0x56,0x71,0x62,0xdb,0xb5,0xda,0x7f,0x66,0xde,0xa9,0x26,
 170 };
 171 static const unsigned char Em_cbc[] = {
 172     /* 28147-89 CBC test vector generated from canonical implementation */
 173     0x96,0xd1,0xb0,0x5e,0xea,0x68,0x39,0x19,0xf3,0x96,0xb7,0x8c,0x1d,0x47,0xbb,0x61,
 174     0x61,0x83,0xe2,0xcc,0xa9,0x76,0xa4,0xba,0xbe,0x9c,0xe8,0x7d,0x6f,0xa7,0x3c,0xf2,
 175 };
 176
 177 /* IV is half CNT size. */
 178 static const unsigned char iv_ctr[]     = { 0x12,0x34,0x56,0x78,0x90,0xab,0xce,0xf0 };
 179 /* Third of IV from GOST R 34.13-2015 А.2.4 (Impossible to use full 192-bit IV.) */
 180 static const unsigned char iv_cbc[]     = { 0x12,0x34,0x56,0x78,0x90,0xab,0xcd,0xef };
 181 /* Truncated to 128-bits IV from GOST examples. */
 182 static const unsigned char iv_128bit[]  = { 0x12,0x34,0x56,0x78,0x90,0xab,0xce,0xf0,
 183                                             0xa1,0xb2,0xc3,0xd4,0xe5,0xf0,0x01,0x12 };
 184 /* Universal IV for ACPKM-Master. */
 185 static const unsigned char iv_acpkm_m[] = { 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff };
 186
 187 static struct testcase {
 188     const char *algname;
 189     int block; /* Actual underlying block size (bytes). */
 190     int stream; /* Stream cipher. */
 191     const unsigned char *plaintext;
 192     const unsigned char *key;
 193     const unsigned char *expected;
 194     size_t size;
 195     const unsigned char *iv;
 196     size_t iv_size;
 197     int acpkm;
 198 } testcases[] = {
 199     {
 200         .algname = SN_grasshopper_ecb,
 201         .block = 16,
 202         .plaintext = P,
 203         .key = K,
 204         .expected = E_ecb,
 205         .size = sizeof(P),
 206     },
 207     {
 208         .algname = SN_grasshopper_ctr,
 209         .block = 16,
 210         .stream = 1,
 211         .plaintext = P,
 212         .key = K,
 213         .expected = E_ctr,
 214         .size = sizeof(P),
 215         .iv = iv_ctr,
 216         .iv_size = sizeof(iv_ctr),
 217     },
 218     {
 219         .algname = SN_id_tc26_cipher_gostr3412_2015_kuznyechik_ctracpkm,
 220         .block = 16,
 221         .stream = 1,
 222         .plaintext = P,
 223         .key = K,
 224         .expected = E_ctr,
 225         .size = sizeof(P),
 226         .iv = iv_ctr,
 227         .iv_size = sizeof(iv_ctr),
 228         /* no acpkm works same as ctr */
 229     },
 230     {
 231         .algname = SN_id_tc26_cipher_gostr3412_2015_kuznyechik_ctracpkm,
 232         .block = 16,
 233         .stream = 1,
 234         .plaintext = P_acpkm,
 235         .key = K,
 236         .expected = E_acpkm,
 237         .size = sizeof(P_acpkm),
 238         .iv = iv_ctr,
 239         .iv_size = sizeof(iv_ctr),
 240         .acpkm = 256 / 8,
 241     },
 242     {
 243         .algname = SN_id_tc26_cipher_gostr3412_2015_kuznyechik_ctracpkm,
 244         .block = 16,
 245         .plaintext = P_acpkm_master,
 246         .key = K,
 247         .expected = E_acpkm_master,
 248         .size = sizeof(P_acpkm_master),
 249         .iv = iv_acpkm_m,
 250         .iv_size = sizeof(iv_acpkm_m),
 251         .acpkm = 768 / 8
 252     },
 253     {
 254         .algname = SN_grasshopper_ofb,
 255         .block = 16,
 256         .stream = 1,
 257         .plaintext = P,
 258         .key = K,
 259         .expected = E_ofb,
 260         .size = sizeof(P),
 261         .iv = iv_128bit,
 262         .iv_size = sizeof(iv_128bit),
 263     },
 264     {
 265         .algname = SN_grasshopper_cbc,
 266         .block = 16,
 267         .plaintext = P,
 268         .key = K,
 269         .expected = E_cbc,
 270         .size = sizeof(P),
 271         .iv = iv_128bit,
 272         .iv_size = sizeof(iv_128bit),
 273     },
 274     {
 275         .algname = SN_grasshopper_cfb,
 276         .block = 16,
 277         .plaintext = P,
 278         .key = K,
 279         .expected = E_cfb,
 280         .size = sizeof(P),
 281         .iv = iv_128bit,
 282         .iv_size = sizeof(iv_128bit),
 283     },
 284     {
 285         .algname = SN_magma_ctr,
 286         .block = 8,
 287         .plaintext = Pm,
 288         .key = Km,
 289         .expected = Em_ctr,
 290         .size = sizeof(Pm),
 291         .iv = iv_ctr,
 292         .iv_size = sizeof(iv_ctr) / 2,
 293     },
 294     {
 295         .algname = SN_magma_cbc,
 296         .block = 8,
 297         .plaintext = Pm,
 298         .key = Km,
 299         .expected = Em_cbc,
 300         .size = sizeof(Pm),
 301         .iv = iv_cbc,
 302         .iv_size = sizeof(iv_cbc),
 303     },
 304     { 0 }
 305 };
 306
 307 static void hexdump(const void *ptr, size_t len)
 308 {
 309     const unsigned char *p = ptr;
 310     size_t i, j;
 311
 312     for (i = 0; i < len; i += j) {
 313         for (j = 0; j < 16 && i + j < len; j++)
 314             printf("%s%02x", j? "" : " ", p[i + j]);
 315     }
 316     printf("\n");
 317 }
 318
 319 static int test_block(const EVP_CIPHER *type, const char *name, int block_size,
 320     const unsigned char *pt, const unsigned char *key, const unsigned char *exp,
 321     const size_t size, const unsigned char *iv, size_t iv_size, int acpkm,
 322     int inplace)
 323 {
 324     EVP_CIPHER_CTX *ctx = EVP_CIPHER_CTX_new();
 325     const char *standard = acpkm? "R 23565.1.017-2018" : "GOST R 34.13-2015";
 326     unsigned char *c = alloca(size);
 327     int outlen, tmplen;
 328     int ret = 0, test;
 329
 330     OPENSSL_assert(ctx);
 331     printf("Encryption test from %s [%s] %s: ", standard, name,
 332         inplace ? "in-place" : "out-of-place");
 333
 334     T(EVP_CIPHER_iv_length(type) == iv_size);
 335
 336     if (EVP_CIPHER_block_size(type) == 1) {
 337         /* Cannot test block size, but can report it's stream cipher. */
 338         printf("stream: ");
 339     } else
 340         T(EVP_CIPHER_block_size(type) == block_size);
 341
 342     /* test with single big chunk */
 343     EVP_CIPHER_CTX_init(ctx);
 344     T(EVP_CipherInit_ex(ctx, type, NULL, key, iv, 1));
 345     T(EVP_CIPHER_CTX_set_padding(ctx, 0));
 346     if (inplace)
 347         memcpy(c, pt, size);
 348     else
 349         memset(c, 0, size);
 350     if (acpkm) {
 351         if (EVP_CIPHER_get0_provider(type) != NULL) {
 352             OSSL_PARAM params[] = { OSSL_PARAM_END, OSSL_PARAM_END };
 353             size_t v = (size_t)acpkm;
 354
 355             params[0] = OSSL_PARAM_construct_size_t("key-mesh", &v);
 356             T(EVP_CIPHER_CTX_set_params(ctx, params));
 357         } else {
 358             T(EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_KEY_MESH, acpkm, NULL));
 359         }
 360     }
 361     T(EVP_CipherUpdate(ctx, c, &outlen, inplace? c : pt, size));
 362     T(EVP_CipherFinal_ex(ctx, c + outlen, &tmplen));
 363     EVP_CIPHER_CTX_cleanup(ctx);
 364
 365     TEST_ASSERT(outlen != size || memcmp(c, exp, size));
 366     if (test) {
 367         printf("  c[%d] = ", outlen);
 368         hexdump(c, outlen);
 369     }
 370     ret |= test;
 371
 372     /* test with small chunks of block size */
 373     printf("Chunked encryption test from %s [%s] %s: ", standard, name,
 374         inplace ? "in-place" : "out-of-place");
 375     int blocks = size / block_size;
 376     int z;
 377     EVP_CIPHER_CTX_init(ctx);
 378     T(EVP_CipherInit_ex(ctx, type, NULL, key, iv, 1));
 379     T(EVP_CIPHER_CTX_set_padding(ctx, 0));
 380     if (inplace)
 381         memcpy(c, pt, size);
 382     else
 383         memset(c, 0, size);
 384     if (acpkm) {
 385         if (EVP_CIPHER_get0_provider(type) != NULL) {
 386             OSSL_PARAM params[] = { OSSL_PARAM_END, OSSL_PARAM_END };
 387             size_t v = (size_t)acpkm;
 388
 389             params[0] = OSSL_PARAM_construct_size_t("key-mesh", &v);
 390             T(EVP_CIPHER_CTX_set_params(ctx, params));
 391         } else {
 392             T(EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_KEY_MESH, acpkm, NULL));
 393         }
 394     }
 395     for (z = 0; z < blocks; z++) {
 396         int offset = z * block_size;
 397         int sz = block_size;
 398
 399         T(EVP_CipherUpdate(ctx, c + offset, &outlen, (inplace ? c : pt) + offset, sz));
 400     }
 401     outlen = z * block_size;
 402     T(EVP_CipherFinal_ex(ctx, c + outlen, &tmplen));
 403     EVP_CIPHER_CTX_cleanup(ctx);
 404
 405     TEST_ASSERT(outlen != size || memcmp(c, exp, size));
 406     if (test) {
 407         printf("  c[%d] = ", outlen);
 408         hexdump(c, outlen);
 409     }
 410     ret |= test;
 411
 412     /* test with single big chunk */
 413     printf("Decryption test from %s [%s] %s: ", standard, name,
 414         inplace ? "in-place" : "out-of-place");
 415     EVP_CIPHER_CTX_init(ctx);
 416     T(EVP_CipherInit_ex(ctx, type, NULL, key, iv, 0));
 417     T(EVP_CIPHER_CTX_set_padding(ctx, 0));
 418     if (inplace)
 419         memcpy(c, exp, size);
 420     else
 421         memset(c, 0, size);
 422     if (acpkm) {
 423         if (EVP_CIPHER_get0_provider(type) != NULL) {
 424             OSSL_PARAM params[] = { OSSL_PARAM_END, OSSL_PARAM_END };
 425             size_t v = (size_t)acpkm;
 426
 427             params[0] = OSSL_PARAM_construct_size_t("key-mesh", &v);
 428             T(EVP_CIPHER_CTX_set_params(ctx, params));
 429         } else {
 430             T(EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_KEY_MESH, acpkm, NULL));
 431         }
 432     }
 433     T(EVP_CipherUpdate(ctx, c, &outlen, inplace ? c : exp, size));
 434     T(EVP_CipherFinal_ex(ctx, c + outlen, &tmplen));
 435     EVP_CIPHER_CTX_cleanup(ctx);
 436     EVP_CIPHER_CTX_free(ctx);
 437
 438     TEST_ASSERT(outlen != size || memcmp(c, pt, size));
 439     if (test) {
 440         printf("  d[%d] = ", outlen);
 441         hexdump(c, outlen);
 442     }
 443     ret |= test;
 444
 445     return ret;
 446 }
 447
 448 static int test_stream(const EVP_CIPHER *type, const char *name,
 449     const unsigned char *pt, const unsigned char *key, const unsigned char *exp,
 450     const size_t size, const unsigned char *iv, size_t iv_size, int acpkm)
 451 {
 452     EVP_CIPHER_CTX *ctx = EVP_CIPHER_CTX_new();
 453     const char *standard = acpkm? "R 23565.1.017-2018" : "GOST R 34.13-2015";
 454     unsigned char *c = alloca(size);
 455     int ret = 0, test;
 456     int z;
 457
 458     OPENSSL_assert(ctx);
 459     /* Cycle through all lengths from 1 upto maximum size */
 460     printf("Stream encryption test from %s [%s] \n", standard, name);
 461
 462     /* Block size for stream ciphers should be 1. */
 463     T(EVP_CIPHER_block_size(type) == 1);
 464
 465     for (z = 1; z <= size; z++) {
 466         int outlen, tmplen;
 467         int sz = 0;
 468         int i;
 469
 470         EVP_CIPHER_CTX_init(ctx);
 471         T(EVP_CipherInit_ex(ctx, type, NULL, key, iv, 1));
 472         T(EVP_CIPHER_CTX_set_padding(ctx, 0));
 473         memset(c, 0xff, size);
 474         if (acpkm) {
 475             if (EVP_CIPHER_get0_provider(type) != NULL) {
 476                 OSSL_PARAM params[] = { OSSL_PARAM_END, OSSL_PARAM_END };
 477                 size_t v = (size_t)acpkm;
 478
 479                 params[0] = OSSL_PARAM_construct_size_t("key-mesh", &v);
 480                 T(EVP_CIPHER_CTX_set_params(ctx, params));
 481             } else {
 482                 T(EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_KEY_MESH, acpkm, NULL));
 483             }
 484         }
 485         for (i = 0; i < size; i += z) {
 486             if (i + z > size)
 487                 sz = size - i;
 488             else
 489                 sz = z;
 490             T(EVP_CipherUpdate(ctx, c + i, &outlen, pt + i, sz));
 491             OPENSSL_assert(outlen == sz);
 492         }
 493         outlen = i - z + sz;
 494         T(EVP_CipherFinal_ex(ctx, c + outlen, &tmplen));
 495         EVP_CIPHER_CTX_cleanup(ctx);
 496
 497         test = outlen != size || memcmp(c, exp, size);
 498         printf("%c", test ? 'E' : '+');
 499         ret |= test;
 500     }
 501     printf("\n");
 502     TEST_ASSERT(ret);
 503     EVP_CIPHER_CTX_free(ctx);
 504
 505     return ret;
 506 }
 507
 508 int engine_is_available(const char *name)
 509 {
 510     ENGINE *e = ENGINE_get_first();
 511
 512     while (e != NULL) {
 513         if (strcmp(ENGINE_get_id(e), name) == 0)
 514             break;
 515         e = ENGINE_get_next(e);
 516     }
 517     ENGINE_free(e);
 518     return 0;
 519 }
 520
 521 void warn_if_untested(const EVP_CIPHER *ciph, void *provider)
 522 {
 523     const struct testcase *t;
 524
 525     /* ENGINE provided EVP_MDs have a NULL provider */
 526     if (provider != EVP_CIPHER_get0_provider(ciph))
 527         return;
 528
 529     for (t = testcases; t->algname; t++)
 530         if (EVP_CIPHER_is_a(ciph, t->algname))
 531             break;
 532     if (!t->algname)
 533         printf(cMAGENT "Cipher %s is untested!" cNORM "\n", EVP_CIPHER_name(ciph));
 534 }
 535
 536 void warn_all_untested(void)
 537 {
 538     if (engine_is_available("gost")) {
 539         ENGINE *eng;
 540
 541         T(eng = ENGINE_by_id("gost"));
 542         T(ENGINE_init(eng));
 543
 544         ENGINE_CIPHERS_PTR fn_c;
 545         T(fn_c = ENGINE_get_ciphers(eng));
 546         const int *nids;
 547         int n, k;
 548         n = fn_c(eng, NULL, &nids, 0);
 549         for (k = 0; k < n; ++k)
 550             warn_if_untested(ENGINE_get_cipher(eng, nids[k]), NULL);
 551         ENGINE_finish(eng);
 552         ENGINE_free(eng);
 553     }
 554     if (OSSL_PROVIDER_available(NULL, "gostprov")) {
 555         OSSL_PROVIDER *prov;
 556
 557         T(prov = OSSL_PROVIDER_load(NULL, "gostprov"));
 558         EVP_CIPHER_do_all_provided(NULL,
 559                                    (void (*)(EVP_CIPHER *, void *))warn_if_untested,
 560                                    prov);
 561
 562         OSSL_PROVIDER_unload(prov);
 563     }
 564 }
 565
 566 int main(int argc, char **argv)
 567 {
 568     int ret = 0;
 569     const struct testcase *t;
 570
 571 #if MIPSEL
 572     /* Trigger SIGBUS for unaligned access. */
 573     sysmips(MIPS_FIXADE, 0);
 574 #endif
 575     OPENSSL_add_all_algorithms_conf();
 576
 577     for (t = testcases; t->algname; t++) {
 578         int inplace;
 579         const char *standard = t->acpkm? "R 23565.1.017-2018" : "GOST R 34.13-2015";
 580
 581         EVP_CIPHER *ciph;
 582
 583         ERR_set_mark();
 584         T((ciph = (EVP_CIPHER *)EVP_get_cipherbyname(t->algname))
 585           || (ciph = EVP_CIPHER_fetch(NULL, t->algname, NULL)));
 586         ERR_pop_to_mark();
 587
 588         printf(cBLUE "# Tests for %s [%s]" cNORM "\n", t->algname, standard);
 589         for (inplace = 0; inplace <= 1; inplace++)
 590             ret |= test_block(ciph, t->algname, t->block,
 591                 t->plaintext, t->key, t->expected, t->size,
 592                 t->iv, t->iv_size, t->acpkm, inplace);
 593         if (t->stream)
 594             ret |= test_stream(ciph, t->algname,
 595                 t->plaintext, t->key, t->expected, t->size,
 596                 t->iv, t->iv_size, t->acpkm);
 597
 598         EVP_CIPHER_free(ciph);
 599     }
 600
 601     warn_all_untested();
 602
 603     if (ret)
 604         printf(cDRED "= Some tests FAILED!" cNORM "\n");
 605     else
 606         printf(cDGREEN "= All tests passed!" cNORM "\n");
 607     return ret;
 608 }