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mbedtls: Re-apply MBEDTLS_BIGNUM_ALT & related macros for custom bignum functions

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(IDF-specific patch.)

(cherry picked from commit f859b9bc7579246703446c158270ae038442351c)
This commit is contained in:
Angus Gratton 2017-09-06 15:06:57 +10:00 committed by harshal.patil
parent 1873d3bfc2
commit 5e106db3a1
2 changed files with 20 additions and 0 deletions
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5
include/mbedtls/bignum.h
View File

@ -111,6 +111,8 @@
MBEDTLS_LN_2_DIV_LN_10_SCALE100 - 1) / \
MBEDTLS_LN_2_DIV_LN_10_SCALE100) + 10 + 6)
#if !defined(MBEDTLS_BIGNUM_ALT)
/*
* Define the base integer type, architecture-wise.
*
@ -1052,6 +1054,9 @@ typedef enum {
int mbedtls_mpi_gen_prime(mbedtls_mpi *X, size_t nbits, int flags,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng);
#else /* MBEDTLS_BIGNUM_ALT */
#include "bignum_alt.h"
#endif /* MBEDTLS_BIGNUM_ALT */
#if defined(MBEDTLS_SELF_TEST)

15
library/bignum.c
View File

@ -49,10 +49,19 @@
#include "mbedtls/platform.h"
<<<<<<< HEAD
#define MPI_VALIDATE_RET(cond) \
MBEDTLS_INTERNAL_VALIDATE_RET(cond, MBEDTLS_ERR_MPI_BAD_INPUT_DATA)
#define MPI_VALIDATE(cond) \
MBEDTLS_INTERNAL_VALIDATE(cond)
=======
#if !defined(MBEDTLS_BIGNUM_ALT)
#define MPI_VALIDATE_RET( cond ) \
MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_MPI_BAD_INPUT_DATA )
#define MPI_VALIDATE( cond ) \
MBEDTLS_INTERNAL_VALIDATE( cond )
>>>>>>> f859b9bc7 (mbedtls: Re-apply MBEDTLS_BIGNUM_ALT & related macros for custom bignum functions)
#define MPI_SIZE_T_MAX ((size_t) -1) /* SIZE_T_MAX is not standard */
@ -1123,6 +1132,7 @@ int mbedtls_mpi_sub_int(mbedtls_mpi *X, const mbedtls_mpi *A, mbedtls_mpi_sint b
return mbedtls_mpi_sub_mpi(X, A, &B);
}
#if !defined(MBEDTLS_MPI_MUL_MPI_ALT)
/*
* Baseline multiplication: X = A * B (HAC 14.12)
*/
@ -1229,6 +1239,7 @@ int mbedtls_mpi_mul_int(mbedtls_mpi *X, const mbedtls_mpi *A, mbedtls_mpi_uint b
cleanup:
return ret;
}
#endif
/*
* Unsigned integer divide - double mbedtls_mpi_uint dividend, u1/u0, and
@ -1566,6 +1577,8 @@ int mbedtls_mpi_mod_int(mbedtls_mpi_uint *r, const mbedtls_mpi *A, mbedtls_mpi_s
return 0;
}
#if !defined(MBEDTLS_MPI_EXP_MOD_ALT)
static void mpi_montg_init(mbedtls_mpi_uint *mm, const mbedtls_mpi *N)
{
*mm = mbedtls_mpi_core_montmul_init(N->p);
@ -1944,6 +1957,7 @@ cleanup:
return ret;
}
#endif
/*
* Greatest common divisor: G = gcd(A, B) (HAC 14.54)
@ -2517,6 +2531,7 @@ cleanup:
}
#endif /* MBEDTLS_GENPRIME */
#endif /* MBEDTLS_BIGNUM_ALT */
#if defined(MBEDTLS_SELF_TEST)