Fix bug in ecdh_calc_secret()

Only affects curves with nbits != pbits (currently only secp224k1)
parent 5304812b
......@@ -246,7 +246,7 @@ int ecdh_calc_secret( ecdh_context *ctx, size_t *olen,
if( mpi_size( &ctx->z ) > blen )
return( POLARSSL_ERR_ECP_BAD_INPUT_DATA );
*olen = ctx->grp.nbits / 8 + ( ( ctx->grp.nbits % 8 ) != 0 );
*olen = ctx->grp.pbits / 8 + ( ( ctx->grp.pbits % 8 ) != 0 );
return mpi_write_binary( &ctx->z, buf, *olen );
}
......
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