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