Dogcows Code - chaz/p5-File-KDBX-XS/blob - libtomcrypt/src/headers/tomcrypt_custom.h

   1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
   2 /* SPDX-License-Identifier: Unlicense */
   3
   4 #ifndef TOMCRYPT_CUSTOM_H_
   5 #define TOMCRYPT_CUSTOM_H_
   6
   7 /* macros for various libc functions you can change for embedded targets */
   8 #ifndef XMALLOC
   9 #define XMALLOC  malloc
  10 #endif
  11 #ifndef XREALLOC
  12 #define XREALLOC realloc
  13 #endif
  14 #ifndef XCALLOC
  15 #define XCALLOC  calloc
  16 #endif
  17 #ifndef XFREE
  18 #define XFREE    free
  19 #endif
  20
  21 #ifndef XMEMSET
  22 #define XMEMSET  memset
  23 #endif
  24 #ifndef XMEMCPY
  25 #define XMEMCPY  memcpy
  26 #endif
  27 #ifndef XMEMMOVE
  28 #define XMEMMOVE memmove
  29 #endif
  30 #ifndef XMEMCMP
  31 #define XMEMCMP  memcmp
  32 #endif
  33 /* A memory compare function that has to run in constant time,
  34  * c.f. mem_neq() API summary.
  35  */
  36 #ifndef XMEM_NEQ
  37 #define XMEM_NEQ  mem_neq
  38 #endif
  39 #ifndef XSTRCMP
  40 #define XSTRCMP  strcmp
  41 #endif
  42 #ifndef XSTRLEN
  43 #define XSTRLEN  strlen
  44 #endif
  45 #ifndef XSTRNCPY
  46 #define XSTRNCPY strncpy
  47 #endif
  48
  49 #ifndef XCLOCK
  50 #define XCLOCK   clock
  51 #endif
  52
  53 #ifndef XQSORT
  54 #define XQSORT qsort
  55 #endif
  56
  57 #if ( defined(malloc) || defined(realloc) || defined(calloc) || defined(free) || \
  58       defined(memset) || defined(memcpy) || defined(memcmp) || defined(strcmp) || \
  59       defined(strlen) || defined(strncpy) || defined(clock) || defined(qsort) ) \
  60       && !defined(LTC_NO_PROTOTYPES)
  61 #define LTC_NO_PROTOTYPES
  62 #endif
  63
  64 /* shortcut to disable automatic inclusion */
  65 #if defined LTC_NOTHING && !defined LTC_EASY
  66   #define LTC_NO_CIPHERS
  67   #define LTC_NO_MODES
  68   #define LTC_NO_HASHES
  69   #define LTC_NO_MACS
  70   #define LTC_NO_PRNGS
  71   #define LTC_NO_PK
  72   #define LTC_NO_PKCS
  73   #define LTC_NO_MISC
  74 #endif /* LTC_NOTHING */
  75
  76 /* Easy button? */
  77 #ifdef LTC_EASY
  78    #define LTC_NO_CIPHERS
  79    #define LTC_RIJNDAEL
  80    #define LTC_BLOWFISH
  81    #define LTC_DES
  82    #define LTC_CAST5
  83
  84    #define LTC_NO_MODES
  85    #define LTC_ECB_MODE
  86    #define LTC_CBC_MODE
  87    #define LTC_CTR_MODE
  88
  89    #define LTC_NO_HASHES
  90    #define LTC_SHA1
  91    #define LTC_SHA3
  92    #define LTC_SHA512
  93    #define LTC_SHA384
  94    #define LTC_SHA256
  95    #define LTC_SHA224
  96    #define LTC_HASH_HELPERS
  97
  98    #define LTC_NO_MACS
  99    #define LTC_HMAC
 100    #define LTC_OMAC
 101    #define LTC_CCM_MODE
 102
 103    #define LTC_NO_PRNGS
 104    #define LTC_SPRNG
 105    #define LTC_YARROW
 106    #define LTC_DEVRANDOM
 107    #define LTC_TRY_URANDOM_FIRST
 108    #define LTC_RNG_GET_BYTES
 109    #define LTC_RNG_MAKE_PRNG
 110
 111    #define LTC_NO_PK
 112    #define LTC_MRSA
 113    #define LTC_MECC
 114
 115    #define LTC_NO_MISC
 116    #define LTC_BASE64
 117 #endif
 118
 119 /* The minimal set of functionality to run the tests */
 120 #ifdef LTC_MINIMAL
 121    #define LTC_RIJNDAEL
 122    #define LTC_SHA256
 123    #define LTC_YARROW
 124    #define LTC_CTR_MODE
 125
 126    #define LTC_RNG_MAKE_PRNG
 127    #define LTC_RNG_GET_BYTES
 128    #define LTC_DEVRANDOM
 129    #define LTC_TRY_URANDOM_FIRST
 130
 131    #undef LTC_NO_FILE
 132 #endif
 133
 134 /* Enable self-test test vector checking */
 135 #ifndef LTC_NO_TEST
 136    #define LTC_TEST
 137 #endif
 138 /* Enable extended self-tests */
 139 /* #define LTC_TEST_EXT */
 140
 141 /* Use small code where possible */
 142 /* #define LTC_SMALL_CODE */
 143
 144 /* clean the stack of functions which put private information on stack */
 145 /* #define LTC_CLEAN_STACK */
 146
 147 /* disable all file related functions */
 148 /* #define LTC_NO_FILE */
 149
 150 /* disable all forms of ASM */
 151 /* #define LTC_NO_ASM */
 152
 153 /* disable FAST mode */
 154 /* #define LTC_NO_FAST */
 155
 156 /* disable BSWAP on x86 */
 157 /* #define LTC_NO_BSWAP */
 158
 159 /* ---> math provider? <--- */
 160 #ifndef LTC_NO_MATH
 161
 162 /* LibTomMath */
 163 /* #define LTM_DESC */
 164
 165 /* TomsFastMath */
 166 /* #define TFM_DESC */
 167
 168 /* GNU Multiple Precision Arithmetic Library */
 169 /* #define GMP_DESC */
 170
 171 #endif /* LTC_NO_MATH */
 172
 173 /* ---> Symmetric Block Ciphers <--- */
 174 #ifndef LTC_NO_CIPHERS
 175
 176 #define LTC_BLOWFISH
 177 #define LTC_RC2
 178 #define LTC_RC5
 179 #define LTC_RC6
 180 #define LTC_SAFERP
 181 #define LTC_RIJNDAEL
 182 #define LTC_XTEA
 183 /* _TABLES tells it to use tables during setup, _SMALL means to use the smaller scheduled key format
 184  * (saves 4KB of ram), _ALL_TABLES enables all tables during setup */
 185 #define LTC_TWOFISH
 186 #ifndef LTC_NO_TABLES
 187    #define LTC_TWOFISH_TABLES
 188    /* #define LTC_TWOFISH_ALL_TABLES */
 189 #else
 190    #define LTC_TWOFISH_SMALL
 191 #endif
 192 /* #define LTC_TWOFISH_SMALL */
 193 /* LTC_DES includes EDE triple-DES */
 194 #define LTC_DES
 195 #define LTC_CAST5
 196 #define LTC_NOEKEON
 197 #define LTC_SKIPJACK
 198 #define LTC_SAFER
 199 #define LTC_KHAZAD
 200 #define LTC_ANUBIS
 201 #define LTC_ANUBIS_TWEAK
 202 #define LTC_KSEED
 203 #define LTC_KASUMI
 204 #define LTC_MULTI2
 205 #define LTC_CAMELLIA
 206 #define LTC_IDEA
 207 #define LTC_SERPENT
 208 #define LTC_TEA
 209
 210 /* stream ciphers */
 211 #define LTC_CHACHA
 212 #define LTC_SALSA20
 213 #define LTC_XSALSA20
 214 #define LTC_SOSEMANUK
 215 #define LTC_RABBIT
 216 #define LTC_RC4_STREAM
 217 #define LTC_SOBER128_STREAM
 218
 219 #endif /* LTC_NO_CIPHERS */
 220
 221
 222 /* ---> Block Cipher Modes of Operation <--- */
 223 #ifndef LTC_NO_MODES
 224
 225 #define LTC_CFB_MODE
 226 #define LTC_OFB_MODE
 227 #define LTC_ECB_MODE
 228 #define LTC_CBC_MODE
 229 #define LTC_CTR_MODE
 230
 231 /* F8 chaining mode */
 232 #define LTC_F8_MODE
 233
 234 /* LRW mode */
 235 #define LTC_LRW_MODE
 236 #ifndef LTC_NO_TABLES
 237    /* like GCM mode this will enable 16 8x128 tables [64KB] that make
 238     * seeking very fast.
 239     */
 240    #define LTC_LRW_TABLES
 241 #endif
 242
 243 /* XTS mode */
 244 #define LTC_XTS_MODE
 245
 246 #endif /* LTC_NO_MODES */
 247
 248 /* ---> One-Way Hash Functions <--- */
 249 #ifndef LTC_NO_HASHES
 250
 251 #define LTC_CHC_HASH
 252 #define LTC_WHIRLPOOL
 253 #define LTC_SHA3
 254 #define LTC_KECCAK
 255 #define LTC_SHA512
 256 #define LTC_SHA512_256
 257 #define LTC_SHA512_224
 258 #define LTC_SHA384
 259 #define LTC_SHA256
 260 #define LTC_SHA224
 261 #define LTC_TIGER
 262 #define LTC_SHA1
 263 #define LTC_MD5
 264 #define LTC_MD4
 265 #define LTC_MD2
 266 #define LTC_RIPEMD128
 267 #define LTC_RIPEMD160
 268 #define LTC_RIPEMD256
 269 #define LTC_RIPEMD320
 270 #define LTC_BLAKE2S
 271 #define LTC_BLAKE2B
 272
 273 #define LTC_HASH_HELPERS
 274
 275 #endif /* LTC_NO_HASHES */
 276
 277
 278 /* ---> MAC functions <--- */
 279 #ifndef LTC_NO_MACS
 280
 281 #define LTC_HMAC
 282 #define LTC_OMAC
 283 #define LTC_PMAC
 284 #define LTC_XCBC
 285 #define LTC_F9_MODE
 286 #define LTC_PELICAN
 287 #define LTC_POLY1305
 288 #define LTC_BLAKE2SMAC
 289 #define LTC_BLAKE2BMAC
 290
 291 /* ---> Encrypt + Authenticate Modes <--- */
 292
 293 #define LTC_EAX_MODE
 294
 295 #define LTC_OCB_MODE
 296 #define LTC_OCB3_MODE
 297 #define LTC_CCM_MODE
 298 #define LTC_GCM_MODE
 299 #define LTC_CHACHA20POLY1305_MODE
 300
 301 /* Use 64KiB tables */
 302 #ifndef LTC_NO_TABLES
 303    #define LTC_GCM_TABLES
 304 #endif
 305
 306 /* USE SSE2? requires GCC works on x86_32 and x86_64*/
 307 #ifdef LTC_GCM_TABLES
 308 /* #define LTC_GCM_TABLES_SSE2 */
 309 #endif
 310
 311 #endif /* LTC_NO_MACS */
 312
 313
 314 /* --> Pseudo Random Number Generators <--- */
 315 #ifndef LTC_NO_PRNGS
 316
 317 /* Yarrow */
 318 #define LTC_YARROW
 319
 320 /* a PRNG that simply reads from an available system source */
 321 #define LTC_SPRNG
 322
 323 /* The RC4 stream cipher based PRNG */
 324 #define LTC_RC4
 325
 326 /* The ChaCha20 stream cipher based PRNG */
 327 #define LTC_CHACHA20_PRNG
 328
 329 /* Fortuna PRNG */
 330 #define LTC_FORTUNA
 331
 332 /* Greg's SOBER128 stream cipher based PRNG */
 333 #define LTC_SOBER128
 334
 335 /* the *nix style /dev/random device */
 336 #define LTC_DEVRANDOM
 337 /* try /dev/urandom before trying /dev/random
 338  * are you sure you want to disable this? http://www.2uo.de/myths-about-urandom/ */
 339 #define LTC_TRY_URANDOM_FIRST
 340 /* rng_get_bytes() */
 341 #define LTC_RNG_GET_BYTES
 342 /* rng_make_prng() */
 343 #define LTC_RNG_MAKE_PRNG
 344
 345 /* enable the ltc_rng hook to integrate e.g. embedded hardware RNG's easily */
 346 /* #define LTC_PRNG_ENABLE_LTC_RNG */
 347
 348 #endif /* LTC_NO_PRNGS */
 349
 350 #ifdef LTC_YARROW
 351
 352 /* which descriptor of AES to use?  */
 353 /* 0 = rijndael_enc 1 = aes_enc, 2 = rijndael [full], 3 = aes [full] */
 354 #ifdef ENCRYPT_ONLY
 355   #define LTC_YARROW_AES 0
 356 #else
 357   #define LTC_YARROW_AES 2
 358 #endif
 359
 360 #endif
 361
 362 #ifdef LTC_FORTUNA
 363
 364 #if !defined(LTC_FORTUNA_RESEED_RATELIMIT_STATIC) && \
 365       ((defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 200112L) || defined(_WIN32))
 366
 367 /* time-based rate limit of the reseeding */
 368 #define LTC_FORTUNA_RESEED_RATELIMIT_TIMED
 369
 370 /* with non-glibc or glibc 2.17+ prefer clock_gettime over gettimeofday */
 371 #if defined(__GLIBC__) && defined(__GLIBC_PREREQ)
 372 #if __GLIBC_PREREQ(2, 17)
 373   #define LTC_CLOCK_GETTIME
 374 #endif
 375 #elif defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 200112L
 376   #define LTC_CLOCK_GETTIME
 377 #endif
 378
 379 #else
 380
 381 #ifndef LTC_FORTUNA_WD
 382 /* reseed every N calls to the read function */
 383 #define LTC_FORTUNA_WD    10
 384 #endif
 385
 386 #ifdef LTC_FORTUNA_RESEED_RATELIMIT_TIMED
 387 /* make sure only one of
 388  *   LTC_FORTUNA_RESEED_RATELIMIT_STATIC
 389  * and
 390  *   LTC_FORTUNA_RESEED_RATELIMIT_TIMED
 391  * is defined.
 392  */
 393 #undef LTC_FORTUNA_RESEED_RATELIMIT_TIMED
 394 #warning "undef'ed LTC_FORTUNA_RESEED_RATELIMIT_TIMED, looks like your architecture doesn't support it"
 395 #endif
 396
 397 #endif
 398
 399 #ifndef LTC_FORTUNA_POOLS
 400 /* number of pools (4..32) can save a bit of ram by lowering the count */
 401 #define LTC_FORTUNA_POOLS 32
 402 #endif
 403
 404 #endif /* LTC_FORTUNA */
 405
 406
 407 /* ---> Public Key Crypto <--- */
 408 #ifndef LTC_NO_PK
 409
 410 /* Include RSA support */
 411 #define LTC_MRSA
 412
 413 /* Include Diffie-Hellman support */
 414 /* is_prime fails for GMP */
 415 #define LTC_MDH
 416 /* Supported Key Sizes */
 417 #define LTC_DH768
 418 #define LTC_DH1024
 419 #define LTC_DH1536
 420 #define LTC_DH2048
 421
 422 #if defined(LTM_DESC) || defined(GMP_DESC)
 423 /* tfm has a problem in fp_isprime for larger key sizes */
 424 #define LTC_DH3072
 425 #define LTC_DH4096
 426 #define LTC_DH6144
 427 #define LTC_DH8192
 428 #endif
 429
 430 /* Digital Signature Algorithm */
 431 #define LTC_MDSA
 432
 433 /* Ed25519 & X25519 */
 434 #define LTC_CURVE25519
 435
 436 /* ECC */
 437 #define LTC_MECC
 438
 439 /* use Shamir's trick for point mul (speeds up signature verification) */
 440 #define LTC_ECC_SHAMIR
 441
 442 #if defined(TFM_DESC) && defined(LTC_MECC)
 443    #define LTC_MECC_ACCEL
 444 #endif
 445
 446 /* do we want fixed point ECC */
 447 /* #define LTC_MECC_FP */
 448
 449 #endif /* LTC_NO_PK */
 450
 451 #if defined(LTC_MRSA) && !defined(LTC_NO_RSA_BLINDING)
 452 /* Enable RSA blinding when doing private key operations by default */
 453 #define LTC_RSA_BLINDING
 454 #endif  /* LTC_NO_RSA_BLINDING */
 455
 456 #if defined(LTC_MRSA) && !defined(LTC_NO_RSA_CRT_HARDENING)
 457 /* Enable RSA CRT hardening when doing private key operations by default */
 458 #define LTC_RSA_CRT_HARDENING
 459 #endif  /* LTC_NO_RSA_CRT_HARDENING */
 460
 461 #if defined(LTC_MECC) && !defined(LTC_NO_ECC_TIMING_RESISTANT)
 462 /* Enable ECC timing resistant version by default */
 463 #define LTC_ECC_TIMING_RESISTANT
 464 #endif
 465
 466 /* PKCS #1 (RSA) and #5 (Password Handling) stuff */
 467 #ifndef LTC_NO_PKCS
 468
 469 #define LTC_PKCS_1
 470 #define LTC_PKCS_5
 471 #define LTC_PKCS_8
 472 #define LTC_PKCS_12
 473
 474 /* Include ASN.1 DER (required by DSA/RSA) */
 475 #define LTC_DER
 476
 477 #endif /* LTC_NO_PKCS */
 478
 479 /* misc stuff */
 480 #ifndef LTC_NO_MISC
 481
 482 /* Various tidbits of modern neatoness */
 483 #define LTC_BASE64
 484 /* ... and it's URL safe version */
 485 #define LTC_BASE64_URL
 486 /* Base32 encoding/decoding */
 487 #define LTC_BASE32
 488 /* Base16/hex encoding/decoding */
 489 #define LTC_BASE16
 490
 491 #define LTC_BCRYPT
 492
 493 #ifndef LTC_BCRYPT_DEFAULT_ROUNDS
 494 #define LTC_BCRYPT_DEFAULT_ROUNDS 10
 495 #endif
 496
 497 /* Keep LTC_NO_HKDF for compatibility reasons
 498  * superseeded by LTC_NO_MISC*/
 499 #ifndef LTC_NO_HKDF
 500 /* HKDF Key Derivation/Expansion stuff */
 501 #define LTC_HKDF
 502 #endif /* LTC_NO_HKDF */
 503
 504 #define LTC_ADLER32
 505
 506 #define LTC_CRC32
 507
 508 #define LTC_SSH
 509
 510 #define LTC_PADDING
 511
 512 #define LTC_PBES
 513
 514 #endif /* LTC_NO_MISC */
 515
 516 /* cleanup */
 517
 518 #ifdef LTC_MECC
 519 /* Supported ECC Key Sizes */
 520 #ifndef LTC_NO_CURVES
 521    #define LTC_ECC_BRAINPOOLP160R1
 522    #define LTC_ECC_BRAINPOOLP160T1
 523    #define LTC_ECC_BRAINPOOLP192R1
 524    #define LTC_ECC_BRAINPOOLP192T1
 525    #define LTC_ECC_BRAINPOOLP224R1
 526    #define LTC_ECC_BRAINPOOLP224T1
 527    #define LTC_ECC_BRAINPOOLP256R1
 528    #define LTC_ECC_BRAINPOOLP256T1
 529    #define LTC_ECC_BRAINPOOLP320R1
 530    #define LTC_ECC_BRAINPOOLP320T1
 531    #define LTC_ECC_BRAINPOOLP384R1
 532    #define LTC_ECC_BRAINPOOLP384T1
 533    #define LTC_ECC_BRAINPOOLP512R1
 534    #define LTC_ECC_BRAINPOOLP512T1
 535    #define LTC_ECC_PRIME192V2
 536    #define LTC_ECC_PRIME192V3
 537    #define LTC_ECC_PRIME239V1
 538    #define LTC_ECC_PRIME239V2
 539    #define LTC_ECC_PRIME239V3
 540    #define LTC_ECC_SECP112R1
 541    #define LTC_ECC_SECP112R2
 542    #define LTC_ECC_SECP128R1
 543    #define LTC_ECC_SECP128R2
 544    #define LTC_ECC_SECP160K1
 545    #define LTC_ECC_SECP160R1
 546    #define LTC_ECC_SECP160R2
 547    #define LTC_ECC_SECP192K1
 548    #define LTC_ECC_SECP192R1
 549    #define LTC_ECC_SECP224K1
 550    #define LTC_ECC_SECP224R1
 551    #define LTC_ECC_SECP256K1
 552    #define LTC_ECC_SECP256R1
 553    #define LTC_ECC_SECP384R1
 554    #define LTC_ECC_SECP521R1
 555 #endif
 556 #endif
 557
 558 #if defined(LTC_DER)
 559    #ifndef LTC_DER_MAX_RECURSION
 560       /* Maximum recursion limit when processing nested ASN.1 types. */
 561       #define LTC_DER_MAX_RECURSION 30
 562    #endif
 563 #endif
 564
 565 #if defined(LTC_MECC) || defined(LTC_MRSA) || defined(LTC_MDSA) || defined(LTC_SSH)
 566    /* Include the MPI functionality?  (required by the PK algorithms) */
 567    #define LTC_MPI
 568
 569    #ifndef LTC_PK_MAX_RETRIES
 570       /* iterations limit for retry-loops */
 571       #define LTC_PK_MAX_RETRIES  20
 572    #endif
 573 #endif
 574
 575 #ifdef LTC_MRSA
 576    #define LTC_PKCS_1
 577 #endif
 578
 579 #if defined(LTC_MRSA) || defined(LTC_MECC)
 580    #define LTC_PKCS_8
 581 #endif
 582
 583 #ifdef LTC_PKCS_8
 584    #define LTC_PADDING
 585    #define LTC_PBES
 586 #endif
 587
 588 #if defined(LTC_CLEAN_STACK)
 589 /* if you're sure that you want to use it, remove the line below */
 590    #error LTC_CLEAN_STACK is considered as broken
 591 #endif
 592
 593 #if defined(LTC_PBES) && !defined(LTC_PKCS_5)
 594    #error LTC_PBES requires LTC_PKCS_5
 595 #endif
 596
 597 #if defined(LTC_PBES) && !defined(LTC_PKCS_12)
 598    #error LTC_PBES requires LTC_PKCS_12
 599 #endif
 600
 601 #if defined(LTC_PKCS_5) && !defined(LTC_HMAC)
 602    #error LTC_PKCS_5 requires LTC_HMAC
 603 #endif
 604
 605 #if defined(LTC_PKCS_5) && !defined(LTC_HASH_HELPERS)
 606    #error LTC_PKCS_5 requires LTC_HASH_HELPERS
 607 #endif
 608
 609 #if defined(LTC_PELICAN) && !defined(LTC_RIJNDAEL)
 610    #error Pelican-MAC requires LTC_RIJNDAEL
 611 #endif
 612
 613 #if defined(LTC_EAX_MODE) && !(defined(LTC_CTR_MODE) && defined(LTC_OMAC))
 614    #error LTC_EAX_MODE requires CTR and LTC_OMAC mode
 615 #endif
 616
 617 #if defined(LTC_YARROW) && !defined(LTC_CTR_MODE)
 618    #error LTC_YARROW requires LTC_CTR_MODE chaining mode to be defined!
 619 #endif
 620
 621 #if defined(LTC_DER) && !defined(LTC_MPI)
 622    #error ASN.1 DER requires MPI functionality
 623 #endif
 624
 625 #if (defined(LTC_MDSA) || defined(LTC_MRSA) || defined(LTC_MECC)) && !defined(LTC_DER)
 626    #error PK requires ASN.1 DER functionality, make sure LTC_DER is enabled
 627 #endif
 628
 629 #if defined(LTC_BCRYPT) && !defined(LTC_BLOWFISH)
 630    #error LTC_BCRYPT requires LTC_BLOWFISH
 631 #endif
 632
 633 #if defined(LTC_CHACHA20POLY1305_MODE) && (!defined(LTC_CHACHA) || !defined(LTC_POLY1305))
 634    #error LTC_CHACHA20POLY1305_MODE requires LTC_CHACHA + LTC_POLY1305
 635 #endif
 636
 637 #if defined(LTC_CHACHA20_PRNG) && !defined(LTC_CHACHA)
 638    #error LTC_CHACHA20_PRNG requires LTC_CHACHA
 639 #endif
 640
 641 #if defined(LTC_XSALSA20) && !defined(LTC_SALSA20)
 642    #error LTC_XSALSA20 requires LTC_SALSA20
 643 #endif
 644
 645 #if defined(LTC_RC4) && !defined(LTC_RC4_STREAM)
 646    #error LTC_RC4 requires LTC_RC4_STREAM
 647 #endif
 648
 649 #if defined(LTC_SOBER128) && !defined(LTC_SOBER128_STREAM)
 650    #error LTC_SOBER128 requires LTC_SOBER128_STREAM
 651 #endif
 652
 653 #if defined(LTC_BLAKE2SMAC) && !defined(LTC_BLAKE2S)
 654    #error LTC_BLAKE2SMAC requires LTC_BLAKE2S
 655 #endif
 656
 657 #if defined(LTC_BLAKE2BMAC) && !defined(LTC_BLAKE2B)
 658    #error LTC_BLAKE2BMAC requires LTC_BLAKE2B
 659 #endif
 660
 661 #if defined(LTC_SPRNG) && !defined(LTC_RNG_GET_BYTES)
 662    #error LTC_SPRNG requires LTC_RNG_GET_BYTES
 663 #endif
 664
 665 #if defined(LTC_NO_MATH) && (defined(LTM_DESC) || defined(TFM_DESC) || defined(GMP_DESC))
 666    #error LTC_NO_MATH defined, but also a math descriptor
 667 #endif
 668
 669 /* THREAD management */
 670 #ifdef LTC_PTHREAD
 671
 672 #include <pthread.h>
 673
 674 #define LTC_MUTEX_GLOBAL(x)   pthread_mutex_t x = PTHREAD_MUTEX_INITIALIZER;
 675 #define LTC_MUTEX_PROTO(x)    extern pthread_mutex_t x;
 676 #define LTC_MUTEX_TYPE(x)     pthread_mutex_t x;
 677 #define LTC_MUTEX_INIT(x)     LTC_ARGCHK(pthread_mutex_init(x, NULL) == 0);
 678 #define LTC_MUTEX_LOCK(x)     LTC_ARGCHK(pthread_mutex_lock(x) == 0);
 679 #define LTC_MUTEX_UNLOCK(x)   LTC_ARGCHK(pthread_mutex_unlock(x) == 0);
 680 #define LTC_MUTEX_DESTROY(x)  LTC_ARGCHK(pthread_mutex_destroy(x) == 0);
 681
 682 #else
 683
 684 /* default no functions */
 685 #define LTC_MUTEX_GLOBAL(x)
 686 #define LTC_MUTEX_PROTO(x)
 687 #define LTC_MUTEX_TYPE(x)
 688 #define LTC_MUTEX_INIT(x)
 689 #define LTC_MUTEX_LOCK(x)
 690 #define LTC_MUTEX_UNLOCK(x)
 691 #define LTC_MUTEX_DESTROY(x)
 692
 693 #endif
 694
 695 /* Debuggers */
 696
 697 /* define this if you use Valgrind, note: it CHANGES the way SOBER-128 and RC4 work (see the code) */
 698 /* #define LTC_VALGRIND */
 699
 700 #endif
 701
 702 #ifndef LTC_NO_FILE
 703    /* buffer size for reading from a file via fread(..) */
 704    #ifndef LTC_FILE_READ_BUFSIZE
 705    #define LTC_FILE_READ_BUFSIZE 8192
 706    #endif
 707 #endif
 708
 709 /* ECC backwards compatibility */
 710 #if !defined(LTC_ECC_SECP112R1) && defined(LTC_ECC112)
 711 #define LTC_ECC_SECP112R1
 712 #undef LTC_ECC112
 713 #endif
 714 #if !defined(LTC_ECC_SECP128R1) && defined(LTC_ECC128)
 715 #define LTC_ECC_SECP128R1
 716 #undef LTC_ECC128
 717 #endif
 718 #if !defined(LTC_ECC_SECP160R1) && defined(LTC_ECC160)
 719 #define LTC_ECC_SECP160R1
 720 #undef LTC_ECC160
 721 #endif
 722 #if !defined(LTC_ECC_SECP192R1) && defined(LTC_ECC192)
 723 #define LTC_ECC_SECP192R1
 724 #undef LTC_ECC192
 725 #endif
 726 #if !defined(LTC_ECC_SECP224R1) && defined(LTC_ECC224)
 727 #define LTC_ECC_SECP224R1
 728 #undef LTC_ECC224
 729 #endif
 730 #if !defined(LTC_ECC_SECP256R1) && defined(LTC_ECC256)
 731 #define LTC_ECC_SECP256R1
 732 #undef LTC_ECC256
 733 #endif
 734 #if !defined(LTC_ECC_SECP384R1) && defined(LTC_ECC384)
 735 #define LTC_ECC_SECP384R1
 736 #undef LTC_ECC384
 737 #endif
 738 #if !defined(LTC_ECC_SECP512R1) && defined(LTC_ECC521)
 739 #define LTC_ECC_SECP521R1
 740 #undef LTC_ECC521
 741 #endif