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