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

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(IDF-specific patch.)
This commit is contained in:
Angus Gratton
2019-06-04 18:26:53 +05:30
committed by Mahavir Jain
parent 9f4f8eec93
commit 9433144764
2 changed files with 18 additions and 0 deletions
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include/mbedtls/bignum.h
+5
View File
@@ -101,6 +101,8 @@
#define MBEDTLS_LN_2_DIV_LN_10_SCALE100 332
#define MBEDTLS_MPI_RW_BUFFER_SIZE ( ((MBEDTLS_MPI_MAX_BITS_SCALE100 + 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.
*
@@ -942,6 +944,9 @@ 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)
library/bignum.c
+13
View File
@@ -59,6 +59,8 @@
#define mbedtls_free free
#endif
#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 ) \
@@ -1307,6 +1309,8 @@ int mbedtls_mpi_sub_int( mbedtls_mpi *X, const mbedtls_mpi *A, mbedtls_mpi_sint
return( mbedtls_mpi_sub_mpi( X, A, &_B ) );
}
#if !defined(MBEDTLS_MPI_MUL_MPI_ALT) || !defined(MBEDTLS_MPI_EXP_MOD_ALT)
/*
* Helper for mbedtls_mpi multiplication
*/
@@ -1318,6 +1322,7 @@ static
*/
__attribute__ ((noinline))
#endif
void mpi_mul_hlp( size_t i, mbedtls_mpi_uint *s, mbedtls_mpi_uint *d, mbedtls_mpi_uint b )
{
mbedtls_mpi_uint c = 0, t = 0;
@@ -1379,6 +1384,9 @@ void mpi_mul_hlp( size_t i, mbedtls_mpi_uint *s, mbedtls_mpi_uint *d, mbedtls_mp
while( c != 0 );
}
#endif
#if !defined(MBEDTLS_MPI_MUL_MPI_ALT)
/*
* Baseline multiplication: X = A * B (HAC 14.12)
*/
@@ -1418,6 +1426,7 @@ cleanup:
return( ret );
}
#endif
/*
* Baseline multiplication: X = A * b
@@ -1755,6 +1764,8 @@ int mbedtls_mpi_mod_int( mbedtls_mpi_uint *r, const mbedtls_mpi *A, mbedtls_mpi_
return( 0 );
}
#if !defined(MBEDTLS_MPI_EXP_MOD_ALT)
/*
* Fast Montgomery initialization (thanks to Tom St Denis)
*/
@@ -2044,6 +2055,7 @@ cleanup:
return( ret );
}
#endif
/*
* Greatest common divisor: G = gcd(A, B) (HAC 14.54)
@@ -2572,6 +2584,7 @@ cleanup:
}
#endif /* MBEDTLS_GENPRIME */
#endif /* MBEDTLS_BIGNUM_ALT */
#if defined(MBEDTLS_SELF_TEST)