#ifndef TOMCRYPT_CUSTOM_H_ #define TOMCRYPT_CUSTOM_H_ /* macros for various libc functions you can change for embedded targets */ #ifndef XMALLOC #define XMALLOC malloc #endif #ifndef XREALLOC #define XREALLOC realloc #endif #ifndef XCALLOC #define XCALLOC calloc #endif #ifndef XFREE #define XFREE free #endif #ifndef XMEMSET #define XMEMSET memset #endif #ifndef XMEMCPY #define XMEMCPY memcpy #endif #ifndef XMEMCMP #define XMEMCMP memcmp #endif #ifndef XCLOCK #define XCLOCK clock #endif #ifndef XCLOCKS_PER_SEC #define XCLOCKS_PER_SEC CLOCKS_PER_SEC #endif #ifndef XQSORT #define XQSORT qsort #endif /* Easy button? */ #ifdef LTC_EASY #define LTC_NO_CIPHERS #define RIJNDAEL #define BLOWFISH #define DES #define CAST5 #define LTC_NO_MODES #define ECB #define CBC #define CTR #define LTC_NO_HASHES #define SHA1 #define SHA512 #define SHA384 #define SHA256 #define SHA224 #define WHIRLPOOL #define LTC_NO_MACS #define HMAC #define OMAC #define CCM_MODE #define LTC_NO_PRNGS #define SPRNG #define YARROW #define DEVRANDOM #define TRY_URANDOM_FIRST #define LTC_NO_PK #define MRSA #define MECC #endif /* Use small code where possible */ /* #define LTC_SMALL_CODE */ /* Enable self-test test vector checking */ #ifndef LTC_NO_TEST #define LTC_TEST #endif /* clean the stack of functions which put private information on stack */ /* #define LTC_CLEAN_STACK */ /* disable all file related functions */ /* #define LTC_NO_FILE */ /* disable all forms of ASM */ /* #define LTC_NO_ASM */ /* disable FAST mode */ /* #define LTC_NO_FAST */ /* disable BSWAP on x86 */ /* #define LTC_NO_BSWAP */ /* ---> Symmetric Block Ciphers <--- */ #ifndef LTC_NO_CIPHERS #define BLOWFISH #define RC2 #define RC5 #define RC6 #define SAFERP #define RIJNDAEL #define XTEA /* _TABLES tells it to use tables during setup, _SMALL means to use the smaller scheduled key format * (saves 4KB of ram), _ALL_TABLES enables all tables during setup */ #define TWOFISH #ifndef LTC_NO_TABLES #define TWOFISH_TABLES /* #define TWOFISH_ALL_TABLES */ #else #define TWOFISH_SMALL #endif /* #define TWOFISH_SMALL */ /* DES includes EDE triple-DES */ #define DES #define CAST5 #define NOEKEON #define SKIPJACK #define SAFER #define KHAZAD #define ANUBIS #define ANUBIS_TWEAK #endif /* LTC_NO_CIPHERS */ /* ---> Block Cipher Modes of Operation <--- */ #ifndef LTC_NO_MODES #define CFB #define OFB #define ECB #define CBC #define CTR /* LRW mode */ #define LRW_MODE #ifndef LTC_NO_TABLES /* like GCM mode this will enable 16 8x128 tables [64KB] that make * seeking very fast. */ #define LRW_TABLES #endif #endif /* LTC_NO_MODES */ /* ---> One-Way Hash Functions <--- */ #ifndef LTC_NO_HASHES #define CHC_HASH #define WHIRLPOOL #define SHA512 #define SHA384 #define SHA256 #define SHA224 #define TIGER #define SHA1 #define MD5 #define MD4 #define MD2 #define RIPEMD128 #define RIPEMD160 #endif /* LTC_NO_HASHES */ /* ---> MAC functions <--- */ #ifndef LTC_NO_MACS #define HMAC #define OMAC #define PMAC #define PELICAN #if defined(PELICAN) && !defined(RIJNDAEL) #error Pelican-MAC requires RIJNDAEL #endif /* ---> Encrypt + Authenticate Modes <--- */ #define EAX_MODE #if defined(EAX_MODE) && !(defined(CTR) && defined(OMAC)) #error EAX_MODE requires CTR and OMAC mode #endif #define OCB_MODE #define CCM_MODE #define GCM_MODE /* Use 64KiB tables */ #ifndef LTC_NO_TABLES #define GCM_TABLES #endif #endif /* LTC_NO_MACS */ /* Various tidbits of modern neatoness */ #define BASE64 /* --> Pseudo Random Number Generators <--- */ #ifndef LTC_NO_PRNGS /* Yarrow */ #define YARROW /* which descriptor of AES to use? */ /* 0 = rijndael_enc 1 = aes_enc, 2 = rijndael [full], 3 = aes [full] */ #define YARROW_AES 0 #if defined(YARROW) && !defined(CTR) #error YARROW requires CTR chaining mode to be defined! #endif /* a PRNG that simply reads from an available system source */ #define SPRNG /* The RC4 stream cipher */ #define RC4 /* Fortuna PRNG */ #define FORTUNA /* reseed every N calls to the read function */ #define FORTUNA_WD 10 /* number of pools (4..32) can save a bit of ram by lowering the count */ #define FORTUNA_POOLS 32 /* Greg's SOBER128 PRNG ;-0 */ #define SOBER128 /* the *nix style /dev/random device */ #define DEVRANDOM /* try /dev/urandom before trying /dev/random */ #define TRY_URANDOM_FIRST #endif /* LTC_NO_PRNGS */ /* ---> math provider? <--- */ #ifndef LTC_NO_MATH /* LibTomMath */ /* #define LTM_DESC */ /* TomsFastMath */ /* #define TFM_DESC */ #endif /* LTC_NO_MATH */ /* ---> Public Key Crypto <--- */ #ifndef LTC_NO_PK /* Include RSA support */ #define MRSA /* Include Katja (a Rabin variant like RSA) */ /* #define MKAT */ /* Digital Signature Algorithm */ #define MDSA /* ECC */ #define MECC #if defined(TFM_DESC) && defined(MECC) #define MECC_ACCEL #endif /* Timing Resistant? */ /* #define LTC_ECC_TIMING_RESISTANT */ #endif /* LTC_NO_PK */ /* PKCS #1 (RSA) and #5 (Password Handling) stuff */ #ifndef LTC_NO_PKCS #define PKCS_1 #define PKCS_5 /* Include ASN.1 DER (required by DSA/RSA) */ #define LTC_DER #endif /* LTC_NO_PKCS */ /* cleanup */ #ifdef MECC /* Supported ECC Key Sizes */ #ifndef LTC_NO_CURVES #define ECC192 #define ECC224 #define ECC256 #define ECC384 #define ECC521 #endif #endif #if defined(MECC) || defined(MRSA) || defined(MDSA) || defined(MKATJA) /* Include the MPI functionality? (required by the PK algorithms) */ #define MPI #endif #ifdef MRSA #define PKCS_1 #endif #if defined(LTC_DER) && !defined(MPI) #error ASN.1 DER requires MPI functionality #endif #if (defined(MDSA) || defined(MRSA) || defined(MECC) || defined(MKATJA)) && !defined(LTC_DER) #error PK requires ASN.1 DER functionality, make sure LTC_DER is enabled #endif /* THREAD management */ #ifdef LTC_PTHREAD #include #define LTC_MUTEX_GLOBAL(x) pthread_mutex_t x = PTHREAD_MUTEX_INITIALIZER; #define LTC_MUTEX_PROTO(x) extern pthread_mutex_t x; #define LTC_MUTEX_TYPE(x) pthread_mutex_t x; #define LTC_MUTEX_INIT(x) pthread_mutex_init(x, NULL); #define LTC_MUTEX_LOCK(x) pthread_mutex_lock(x); #define LTC_MUTEX_UNLOCK(x) pthread_mutex_unlock(x); #else /* default no functions */ #define LTC_MUTEX_GLOBAL(x) #define LTC_MUTEX_PROTO(x) #define LTC_MUTEX_TYPE(x) #define LTC_MUTEX_INIT(x) #define LTC_MUTEX_LOCK(x) #define LTC_MUTEX_UNLOCK(x) #endif #endif /* $Source$ */ /* $Revision$ */ /* $Date$ */