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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 f859b9bc75)
This commit is contained in:
Angus Gratton
2024-04-18 13:12:36 +05:30
committed by nilesh.kale
parent 2ca6c285a0
commit ca32503ee2
2 changed files with 15 additions and 1 deletions
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include/mbedtls/bignum.h
+5
View File
@@ -99,6 +99,8 @@
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.
*
@@ -1065,6 +1067,9 @@ 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
+10 -1
View File
@@ -37,7 +37,7 @@
#include "mbedtls/platform.h"
#if !defined(MBEDTLS_BIGNUM_ALT)
/*
* Conditionally select an MPI sign in constant time.
@@ -1186,6 +1186,7 @@ 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)
*/
@@ -1281,6 +1282,7 @@ 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
@@ -1610,6 +1612,11 @@ 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)
/*
* Sliding-window exponentiation: X = A^E mod N (HAC 14.85)
*/
int mbedtls_mpi_exp_mod(mbedtls_mpi *X, const mbedtls_mpi *A,
const mbedtls_mpi *E, const mbedtls_mpi *N,
mbedtls_mpi *prec_RR)
@@ -1719,6 +1726,7 @@ cleanup:
return ret;
}
#endif
/*
* Greatest common divisor: G = gcd(A, B) (HAC 14.54)
@@ -2275,6 +2283,7 @@ cleanup:
}
#endif /* MBEDTLS_GENPRIME */
#endif /* MBEDTLS_BIGNUM_ALT */
#if defined(MBEDTLS_SELF_TEST)