Mercurial > dropbear
diff src/headers/tomcrypt_cfg.h @ 191:1c15b283127b libtomcrypt-orig
Import of libtomcrypt 1.02 with manual path rename rearrangement etc
author | Matt Johnston <matt@ucc.asn.au> |
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date | Fri, 06 May 2005 13:23:02 +0000 |
parents | |
children | 39d5d58461d6 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/headers/tomcrypt_cfg.h Fri May 06 13:23:02 2005 +0000 @@ -0,0 +1,108 @@ +/* This is the build config file. + * + * With this you can setup what to inlcude/exclude automatically during any build. Just comment + * out the line that #define's the word for the thing you want to remove. phew! + */ + +#ifndef TOMCRYPT_CFG_H +#define TOMCRYPT_CFG_H + +/* you can change how memory allocation works ... */ +void *XMALLOC(size_t n); +void *XREALLOC(void *p, size_t n); +void *XCALLOC(size_t n, size_t s); +void XFREE(void *p); + +/* change the clock function too */ + clock_t XCLOCK(void); + +/* various other functions */ +void *XMEMCPY(void *dest, const void *src, size_t n); +int XMEMCMP(const void *s1, const void *s2, size_t n); + +/* type of argument checking, 0=default, 1=fatal and 2=none */ +#define ARGTYPE 0 + +/* Controls endianess and size of registers. Leave uncommented to get platform neutral [slower] code + * + * Note: in order to use the optimized macros your platform must support unaligned 32 and 64 bit read/writes. + * The x86 platforms allow this but some others [ARM for instance] do not. On those platforms you **MUST** + * use the portable [slower] macros. + */ + +/* detect x86-32 machines somewhat */ +#if defined(INTEL_CC) || (defined(_MSC_VER) && defined(WIN32)) || (defined(__GNUC__) && (defined(__DJGPP__) || defined(__CYGWIN__) || defined(__MINGW32__) || defined(__i386__))) + #define ENDIAN_LITTLE + #define ENDIAN_32BITWORD + #define LTC_FAST + #define LTC_FAST_TYPE unsigned long +#endif + +/* detects MIPS R5900 processors (PS2) */ +#if (defined(__R5900) || defined(R5900) || defined(__R5900__)) && (defined(_mips) || defined(__mips__) || defined(mips)) + #define ENDIAN_LITTLE + #define ENDIAN_64BITWORD +#endif + +/* detect amd64 */ +#if defined(__x86_64__) + #define ENDIAN_LITTLE + #define ENDIAN_64BITWORD + #define LTC_FAST + #define LTC_FAST_TYPE unsigned long +#endif + +#ifdef LTC_NO_FAST + #ifdef LTC_FAST + #undef LTC_FAST + #endif +#endif + +/* No asm is a quick way to disable anything "not portable" */ +#ifdef LTC_NO_ASM + #undef ENDIAN_LITTLE + #undef ENDIAN_BIG + #undef ENDIAN_32BITWORD + #undef ENDIAN_64BITWORD + #undef LTC_FAST + #undef LTC_FAST_TYPE + #define LTC_NO_ROLC + #define LTC_NO_BSWAP +#endif + +/* #define ENDIAN_LITTLE */ +/* #define ENDIAN_BIG */ + +/* #define ENDIAN_32BITWORD */ +/* #define ENDIAN_64BITWORD */ + +#if (defined(ENDIAN_BIG) || defined(ENDIAN_LITTLE)) && !(defined(ENDIAN_32BITWORD) || defined(ENDIAN_64BITWORD)) + #error You must specify a word size as well as endianess in mycrypt_cfg.h +#endif + +#if !(defined(ENDIAN_BIG) || defined(ENDIAN_LITTLE)) + #define ENDIAN_NEUTRAL +#endif + +/* packet code */ +#if defined(MRSA) || defined(MDH) || defined(MECC) + #define PACKET + + /* size of a packet header in bytes */ + #define PACKET_SIZE 4 + + /* Section tags */ + #define PACKET_SECT_RSA 0 + #define PACKET_SECT_DH 1 + #define PACKET_SECT_ECC 2 + #define PACKET_SECT_DSA 3 + + /* Subsection Tags for the first three sections */ + #define PACKET_SUB_KEY 0 + #define PACKET_SUB_ENCRYPTED 1 + #define PACKET_SUB_SIGNED 2 + #define PACKET_SUB_ENC_KEY 3 +#endif + +#endif +