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Follow parameter naming convention

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Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
This commit is contained in:
Gabor Mezei 2022-09-30 13:54:02 +02:00
parent 8b05e3b148
commit e5b8585f1e
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GPG Key ID: F072ACA227ACD71D
4 changed files with 30 additions and 30 deletions
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10
library/bignum_core.c
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@ -170,8 +170,8 @@ void mbedtls_mpi_core_cond_assign( mbedtls_mpi_uint *X,
mbedtls_ct_mpi_uint_cond_assign( limbs, X, A, assign ); mbedtls_ct_mpi_uint_cond_assign( limbs, X, A, assign );
} }
void mbedtls_mpi_core_cond_swap( mbedtls_mpi_uint *A, void mbedtls_mpi_core_cond_swap( mbedtls_mpi_uint *X,
mbedtls_mpi_uint *B, mbedtls_mpi_uint *Y,
size_t limbs, size_t limbs,
unsigned char swap ) unsigned char swap )
{ {
@ -180,9 +180,9 @@ void mbedtls_mpi_core_cond_swap( mbedtls_mpi_uint *A,
for( size_t i = 0; i < limbs; i++ ) for( size_t i = 0; i < limbs; i++ )
{ {
mbedtls_mpi_uint tmp = A[i]; mbedtls_mpi_uint tmp = X[i];
A[i] = ( A[i] & ~limb_mask ) | ( B[i] & limb_mask ); X[i] = ( X[i] & ~limb_mask ) | ( Y[i] & limb_mask );
B[i] = ( B[i] & ~limb_mask ) | ( tmp & limb_mask ); Y[i] = ( Y[i] & ~limb_mask ) | ( tmp & limb_mask );
} }
} }

16
library/bignum_core.h
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@ -103,25 +103,25 @@ void mbedtls_mpi_core_cond_assign( mbedtls_mpi_uint *X,
* \brief Perform a safe conditional swap of MPI which doesn't reveal whether * \brief Perform a safe conditional swap of MPI which doesn't reveal whether
* the condition was true or not. * the condition was true or not.
* *
* \param[IN,OUT] A The address of the first MPI. * \param[IN,OUT] X The address of the first MPI.
* This must be initialized. * This must be initialized.
* \param[IN,OUT] B The address of the second MPI. * \param[IN,OUT] Y The address of the second MPI.
* This must be initialized. * This must be initialized.
* \param limbs The number of limbs of \p A and \p B. * \param limbs The number of limbs of \p X and \p Y.
* \param swap The condition deciding whether to perform * \param swap The condition deciding whether to perform
* the swap or not. Must be either 0 or 1: * the swap or not. Must be either 0 or 1:
* * \c 1: Swap the values of \p A and \p B. * * \c 1: Swap the values of \p X and \p Y.
* * \c 0: Keep the original values of \p A and \p B. * * \c 0: Keep the original values of \p X and \p Y.
* *
* \note This function avoids leaking any information about whether * \note This function avoids leaking any information about whether
* the swap was done or not. * the swap was done or not.
* *
* \warning If \p swap is neither 0 nor 1, the result of this function * \warning If \p swap is neither 0 nor 1, the result of this function
* is indeterminate, and both \p A and \p B might end up with * is indeterminate, and both \p X and \p Y might end up with
* values different to either of the original ones. * values different to either of the original ones.
*/ */
void mbedtls_mpi_core_cond_swap( mbedtls_mpi_uint *A, void mbedtls_mpi_core_cond_swap( mbedtls_mpi_uint *X,
mbedtls_mpi_uint *B, mbedtls_mpi_uint *Y,
size_t limbs, size_t limbs,
unsigned char swap ); unsigned char swap );

12
library/bignum_mod_raw.c
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@ -43,18 +43,18 @@
void mbedtls_mpi_mod_raw_cond_assign( mbedtls_mpi_uint *X, void mbedtls_mpi_mod_raw_cond_assign( mbedtls_mpi_uint *X,
const mbedtls_mpi_uint *A, const mbedtls_mpi_uint *A,
const mbedtls_mpi_mod_modulus *m, const mbedtls_mpi_mod_modulus *N,
unsigned char assign ) unsigned char assign )
{ {
mbedtls_mpi_core_cond_assign( X, A, m->limbs, assign ); mbedtls_mpi_core_cond_assign( X, A, N->limbs, assign );
} }
void mbedtls_mpi_mod_raw_cond_swap( mbedtls_mpi_uint *A, void mbedtls_mpi_mod_raw_cond_swap( mbedtls_mpi_uint *X,
mbedtls_mpi_uint *B, mbedtls_mpi_uint *Y,
const mbedtls_mpi_mod_modulus *m, const mbedtls_mpi_mod_modulus *N,
unsigned char swap ) unsigned char swap )
{ {
mbedtls_mpi_core_cond_swap( A, B, m->limbs, swap ); mbedtls_mpi_core_cond_swap( X, Y, N->limbs, swap );
} }
int mbedtls_mpi_mod_raw_read( mbedtls_mpi_uint *X, int mbedtls_mpi_mod_raw_read( mbedtls_mpi_uint *X,

22
library/bignum_mod_raw.h
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@ -39,7 +39,7 @@
* *
* \param[OUT] X The address of the first MPI. This must be initialized. * \param[OUT] X The address of the first MPI. This must be initialized.
* \param[IN] A The address of the second MPI. This must be initialized. * \param[IN] A The address of the second MPI. This must be initialized.
* \param[IN] m The address of the modulus related to \p X and \p A. * \param[IN] N The address of the modulus related to \p X and \p A.
* \param assign The condition deciding whether to perform the * \param assign The condition deciding whether to perform the
* assignment or not. Must be either 0 or 1: * assignment or not. Must be either 0 or 1:
* * \c 1: Perform the assignment `X = A`. * * \c 1: Perform the assignment `X = A`.
@ -54,31 +54,31 @@
*/ */
void mbedtls_mpi_mod_raw_cond_assign( mbedtls_mpi_uint *X, void mbedtls_mpi_mod_raw_cond_assign( mbedtls_mpi_uint *X,
const mbedtls_mpi_uint *A, const mbedtls_mpi_uint *A,
const mbedtls_mpi_mod_modulus *m, const mbedtls_mpi_mod_modulus *N,
unsigned char assign ); unsigned char assign );
/** /**
* \brief Perform a safe conditional swap of MPI which doesn't reveal whether * \brief Perform a safe conditional swap of MPI which doesn't reveal whether
* the condition was true or not. * the condition was true or not.
* *
* \param[IN,OUT] A The address of the first MPI. This must be initialized. * \param[IN,OUT] X The address of the first MPI. This must be initialized.
* \param[IN,OUT] B The address of the second MPI. This must be initialized. * \param[IN,OUT] Y The address of the second MPI. This must be initialized.
* \param[IN] m The address of the modulus related to \p A and \p B. * \param[IN] N The address of the modulus related to \p X and \p Y.
* \param swap The condition deciding whether to perform * \param swap The condition deciding whether to perform
* the swap or not. Must be either 0 or 1: * the swap or not. Must be either 0 or 1:
* * \c 1: Swap the values of \p A and \p B. * * \c 1: Swap the values of \p X and \p Y.
* * \c 0: Keep the original values of \p A and \p B. * * \c 0: Keep the original values of \p X and \p Y.
* *
* \note This function avoids leaking any information about whether * \note This function avoids leaking any information about whether
* the swap was done or not. * the swap was done or not.
* *
* \warning If \p swap is neither 0 nor 1, the result of this function * \warning If \p swap is neither 0 nor 1, the result of this function
* is indeterminate, and both \p A and \p B might end up with * is indeterminate, and both \p X and \p Y might end up with
* values different to either of the original ones. * values different to either of the original ones.
*/ */
void mbedtls_mpi_mod_raw_cond_swap( mbedtls_mpi_uint *A, void mbedtls_mpi_mod_raw_cond_swap( mbedtls_mpi_uint *X,
mbedtls_mpi_uint *B, mbedtls_mpi_uint *Y,
const mbedtls_mpi_mod_modulus *m, const mbedtls_mpi_mod_modulus *N,
unsigned char swap ); unsigned char swap );
/** Import X from unsigned binary data. /** Import X from unsigned binary data.