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Use PSA_BITS_TO_BYTES instead of open-coded calculation in mbedtls_pk_wrap_as_opaque()

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Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
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Neil Armstrong 2022-03-22 10:25:14 +01:00
parent b354742371
commit 7e1b4a45fa
1 changed files with 1 additions and 1 deletions
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2
library/pk.c
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@ -728,7 +728,7 @@ int mbedtls_pk_wrap_as_opaque( mbedtls_pk_context *pk,
/* export the private key material in the format PSA wants */ /* export the private key material in the format PSA wants */
ec = mbedtls_pk_ec( *pk ); ec = mbedtls_pk_ec( *pk );
d_len = ( ec->grp.nbits + 7 ) / 8; d_len = PSA_BITS_TO_BYTES( ec->grp.nbits );
if( ( ret = mbedtls_mpi_write_binary( &ec->d, d, d_len ) ) != 0 ) if( ( ret = mbedtls_mpi_write_binary( &ec->d, d, d_len ) ) != 0 )
return( ret ); return( ret );