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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
2020-03-09 12:19:22 +05:30
committed by Mahavir Jain
parent 0fce215851
commit 6957818428
2 changed files with 18 additions and 0 deletions
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include/mbedtls/bignum.h
+5
View File
@@ -106,6 +106,8 @@
#define MBEDTLS_LN_2_DIV_LN_10_SCALE100 332 #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 ) #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. * Define the base integer type, architecture-wise.
* *
@@ -965,6 +967,9 @@ typedef enum {
int mbedtls_mpi_gen_prime( mbedtls_mpi *X, size_t nbits, int flags, int mbedtls_mpi_gen_prime( mbedtls_mpi *X, size_t nbits, int flags,
int (*f_rng)(void *, unsigned char *, size_t), int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng ); void *p_rng );
#else /* MBEDTLS_BIGNUM_ALT */
#include "bignum_alt.h"
#endif /* MBEDTLS_BIGNUM_ALT */
#if defined(MBEDTLS_SELF_TEST) #if defined(MBEDTLS_SELF_TEST)
library/bignum.c
+13
View File
@@ -59,6 +59,8 @@
#define mbedtls_free free #define mbedtls_free free
#endif #endif
#if !defined(MBEDTLS_BIGNUM_ALT)
#define MPI_VALIDATE_RET( cond ) \ #define MPI_VALIDATE_RET( cond ) \
MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_MPI_BAD_INPUT_DATA ) MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_MPI_BAD_INPUT_DATA )
#define MPI_VALIDATE( cond ) \ #define MPI_VALIDATE( cond ) \
@@ -1422,6 +1424,8 @@ int mbedtls_mpi_sub_int( mbedtls_mpi *X, const mbedtls_mpi *A, mbedtls_mpi_sint
return( mbedtls_mpi_sub_mpi( X, A, &_B ) ); 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 * Helper for mbedtls_mpi multiplication
*/ */
@@ -1433,6 +1437,7 @@ static
*/ */
__attribute__ ((noinline)) __attribute__ ((noinline))
#endif #endif
void mpi_mul_hlp( size_t i, mbedtls_mpi_uint *s, mbedtls_mpi_uint *d, mbedtls_mpi_uint b ) 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; mbedtls_mpi_uint c = 0, t = 0;
@@ -1494,6 +1499,9 @@ void mpi_mul_hlp( size_t i, mbedtls_mpi_uint *s, mbedtls_mpi_uint *d, mbedtls_mp
while( c != 0 ); while( c != 0 );
} }
#endif
#if !defined(MBEDTLS_MPI_MUL_MPI_ALT)
/* /*
* Baseline multiplication: X = A * B (HAC 14.12) * Baseline multiplication: X = A * B (HAC 14.12)
*/ */
@@ -1533,6 +1541,7 @@ cleanup:
return( ret ); return( ret );
} }
#endif
/* /*
* Baseline multiplication: X = A * b * Baseline multiplication: X = A * b
@@ -1870,6 +1879,8 @@ int mbedtls_mpi_mod_int( mbedtls_mpi_uint *r, const mbedtls_mpi *A, mbedtls_mpi_
return( 0 ); return( 0 );
} }
#if !defined(MBEDTLS_MPI_EXP_MOD_ALT)
/* /*
* Fast Montgomery initialization (thanks to Tom St Denis) * Fast Montgomery initialization (thanks to Tom St Denis)
*/ */
@@ -2161,6 +2172,7 @@ cleanup:
return( ret ); return( ret );
} }
#endif
/* /*
* Greatest common divisor: G = gcd(A, B) (HAC 14.54) * Greatest common divisor: G = gcd(A, B) (HAC 14.54)
@@ -2688,6 +2700,7 @@ cleanup:
} }
#endif /* MBEDTLS_GENPRIME */ #endif /* MBEDTLS_GENPRIME */
#endif /* MBEDTLS_BIGNUM_ALT */
#if defined(MBEDTLS_SELF_TEST) #if defined(MBEDTLS_SELF_TEST)