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