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