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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
*
* LibTomCrypt is a library that provides various cryptographic
* algorithms in a highly modular and flexible manner.
*
* The library is free for all purposes without any express
* guarantee it works.
*/
#include "tomcrypt_private.h"
/**
@file crypt_inits.c
Provide math library functions for dynamic languages
like Python - Larry Bugbee, February 2013
*/
#ifdef LTM_DESC
void init_LTM(void)
{
ltc_mp = ltm_desc;
}
#endif
#ifdef TFM_DESC
void init_TFM(void)
{
ltc_mp = tfm_desc;
}
#endif
#ifdef GMP_DESC
void init_GMP(void)
{
ltc_mp = gmp_desc;
}
#endif
int crypt_mp_init(const char* mpi)
{
if (mpi == NULL) return CRYPT_ERROR;
switch (mpi[0]) {
#ifdef LTM_DESC
case 'l':
case 'L':
ltc_mp = ltm_desc;
return CRYPT_OK;
#endif
#ifdef TFM_DESC
case 't':
case 'T':
ltc_mp = tfm_desc;
return CRYPT_OK;
#endif
#ifdef GMP_DESC
case 'g':
case 'G':
ltc_mp = gmp_desc;
return CRYPT_OK;
#endif
#ifdef EXT_MATH_LIB
case 'e':
case 'E':
{
extern ltc_math_descriptor EXT_MATH_LIB;
ltc_mp = EXT_MATH_LIB;
}
#if defined(LTC_TEST_DBG)
#define NAME_VALUE(s) #s"="NAME(s)
#define NAME(s) #s
printf("EXT_MATH_LIB = %s\n", NAME_VALUE(EXT_MATH_LIB));
#undef NAME_VALUE
#undef NAME
#endif
return CRYPT_OK;
#endif
default:
#if defined(LTC_TEST_DBG)
printf("Unknown/Invalid MPI provider: %s\n", mpi);
#endif
return CRYPT_ERROR;
}
}
/* ref: $Format:%D$ */
/* git commit: $Format:%H$ */
/* commit time: $Format:%ai$ */
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