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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 2017-09-06 15:06:57 +10:00 committed by Laukik Hase
parent 89f040a5c9
commit 1981b54621
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GPG Key ID: 11C571361F51A199
2 changed files with 18 additions and 0 deletions
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5
include/mbedtls/bignum.h
View File

@ -112,6 +112,8 @@
#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.
* *
@ -1085,6 +1087,9 @@ 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)

13
library/bignum.c
View File

@ -48,6 +48,8 @@
#include "mbedtls/platform.h" #include "mbedtls/platform.h"
#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 ) \
@ -1359,6 +1361,8 @@ 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.
* *
* Add \p b * \p s to \p d. * Add \p b * \p s to \p d.
@ -1383,6 +1387,7 @@ static
*/ */
__attribute__ ((noinline)) __attribute__ ((noinline))
#endif #endif
void mpi_mul_hlp( size_t i, void mpi_mul_hlp( size_t i,
const mbedtls_mpi_uint *s, const mbedtls_mpi_uint *s,
mbedtls_mpi_uint *d, mbedtls_mpi_uint *d,
@ -1447,6 +1452,9 @@ void mpi_mul_hlp( size_t i,
} }
} }
#endif
#if !defined(MBEDTLS_MPI_MUL_MPI_ALT)
/* /*
* Baseline multiplication: X = A * B (HAC 14.12) * Baseline multiplication: X = A * B (HAC 14.12)
*/ */
@ -1536,6 +1544,7 @@ int mbedtls_mpi_mul_int( mbedtls_mpi *X, const mbedtls_mpi *A, mbedtls_mpi_uint
cleanup: cleanup:
return( ret ); return( ret );
} }
#endif
/* /*
* Unsigned integer divide - double mbedtls_mpi_uint dividend, u1/u0, and * Unsigned integer divide - double mbedtls_mpi_uint dividend, u1/u0, and
@ -1865,6 +1874,8 @@ 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)
*/ */
@ -2299,6 +2310,7 @@ 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)
@ -2977,6 +2989,7 @@ cleanup:
} }
#endif /* MBEDTLS_GENPRIME */ #endif /* MBEDTLS_GENPRIME */
#endif /* MBEDTLS_BIGNUM_ALT */
#if defined(MBEDTLS_SELF_TEST) #if defined(MBEDTLS_SELF_TEST)