/**
 * \file
 * \brief PKCS11 Library Utility Functions
 *
 * \copyright (c) 2017 Microchip Technology Inc. and its subsidiaries.
 *            You may use this software and any derivatives exclusively with
 *            Microchip products.
 *
 * \page License
 *
 * (c) 2017 Microchip Technology Inc. and its subsidiaries. You may use this
 * software and any derivatives exclusively with Microchip products.
 *
 * THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, WHETHER
 * EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, INCLUDING ANY IMPLIED
 * WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, AND FITNESS FOR A
 * PARTICULAR PURPOSE, OR ITS INTERACTION WITH MICROCHIP PRODUCTS, COMBINATION
 * WITH ANY OTHER PRODUCTS, OR USE IN ANY APPLICATION.
 *
 * IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE,
 * INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND
 * WHATSOEVER RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS
 * BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE
 * FULLEST EXTENT ALLOWED BY LAW, MICROCHIPS TOTAL LIABILITY ON ALL CLAIMS IN
 * ANY WAY RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
 * THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
 *
 * MICROCHIP PROVIDES THIS SOFTWARE CONDITIONALLY UPON YOUR ACCEPTANCE OF THESE
 * TERMS.
 */

#include "pkcs11_util.h"

/**
 * \defgroup pkcs11 Utilities (pkcs11_util_)
   @{ */



/*
 * \brief Helper function to make sure buffers meet the special padding
 * requirements of PKCS11
 * \param[IN/OUT] buf   Target buffer, will be padded with spaces
 * \param[IN]  buf_len  Length of the buffer
 */
void pkcs11_util_escape_string(CK_UTF8CHAR_PTR buf, CK_ULONG buf_len)
{
    if (buf && buf_len)
    {
        CK_ULONG i;
        for (i = 0; i < buf_len; i++)
        {
            if (0x20 > buf[i] || 0x7E < buf[i])
            {
                buf[i] = ' ';
            }
        }
    }
}

/*
 * \brief Helper function to convert cryptoauthlib return codes to
 * PKCS11 return codes
 */
CK_RV pkcs11_util_convert_rv(ATCA_STATUS status)
{
    switch (status)
    {
    case ATCA_SUCCESS:
        return CKR_OK;
    default:
        return CKR_FUNCTION_FAILED;
    }
}


/** @} */