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Fix check in p25519 quasi-reduction

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Signed-off-by: Hanno Becker <hanno.becker@arm.com>
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Hanno Becker 2022-04-12 11:18:11 +01:00
parent d830feb256
commit bb04cb992f
1 changed files with 1 additions and 1 deletions
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library/ecp_curves.c
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@ -5223,7 +5223,7 @@ static int ecp_mod_p255( mbedtls_mpi *N )
/* Helper references for top part of N */ /* Helper references for top part of N */
mbedtls_mpi_uint * const NT_p = N->p + P255_WIDTH; mbedtls_mpi_uint * const NT_p = N->p + P255_WIDTH;
const size_t NT_n = N->n - P255_WIDTH; const size_t NT_n = N->n - P255_WIDTH;
if( NT_n <= P255_WIDTH ) if( N->n <= P255_WIDTH )
return( 0 ); return( 0 );
/* Split N as N + 2^256 M */ /* Split N as N + 2^256 M */