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psa_crypto.c: fix warning on windows compiler

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Signed-off-by: Przemyslaw Stekiel <przemyslaw.stekiel@mobica.com>
This commit is contained in:
Przemyslaw Stekiel 2021-11-19 12:08:38 +01:00
parent 1dfd1224dc
commit c6e4c512af
1 changed files with 1 additions and 1 deletions
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library/psa_crypto.c
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@ -4911,7 +4911,7 @@ static psa_status_t psa_generate_derived_ecc_key_helper(
* (8 * ceiling(m/8) - m) bits of the first byte in * (8 * ceiling(m/8) - m) bits of the first byte in
* the string to zero. * the string to zero.
*/ */
uint8_t clear_bit_count = ( 8 * m_bytes - m ); uint8_t clear_bit_count = (uint8_t) ( 8 * m_bytes - m );
uint8_t clear_bit_mask = ( ( 1 << clear_bit_count ) - 1 ); uint8_t clear_bit_mask = ( ( 1 << clear_bit_count ) - 1 );
clear_bit_mask = ~( clear_bit_mask << ( 8 - clear_bit_count ) ); clear_bit_mask = ~( clear_bit_mask << ( 8 - clear_bit_count ) );
*data[0] = ( *data[0] & clear_bit_mask ); *data[0] = ( *data[0] & clear_bit_mask );