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Add mbedtls_mpi_core_check_zero_ct() and tests

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Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
This commit is contained in:
Tom Cosgrove
2022-12-12 16:54:57 +00:00
parent e9ffb6c8e9
commit 30f3b4d601
4 changed files with 57 additions and 0 deletions
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11
library/bignum_core.c
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@ -742,6 +742,17 @@ mbedtls_mpi_uint mbedtls_mpi_core_sub_int( mbedtls_mpi_uint *X,
return( c );
}
mbedtls_mpi_uint mbedtls_mpi_core_check_zero_ct( const mbedtls_mpi_uint *A,
size_t limbs )
{
mbedtls_mpi_uint bits = 0;
for( size_t i = 0; i < limbs; i++ )
bits |= A[i];
return( bits );
}
/* END MERGE SLOT 3 */
/* BEGIN MERGE SLOT 4 */