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Add mpi_shrink()

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Manuel Pégourié-Gonnard 2013-11-21 10:39:37 +01:00
parent e282012219
commit 5868163e07
4 changed files with 90 additions and 0 deletions
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11
include/polarssl/bignum.h
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@ -201,6 +201,17 @@ void mpi_free( mpi *X );
*/
int mpi_grow( mpi *X, size_t nblimbs );
/**
* \brief Resize down, keeping at least the specified number of limbs
*
* \param X MPI to shrink
* \param nblimbs The minimum number of limbs to keep
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
*/
int mpi_shrink( mpi *X, size_t nblimbs );
/**
* \brief Copy the contents of Y into X
*