[U-Boot] [PATCH 1/2][v3] fsl_sec: Add hardware accelerated SHA256 and SHA1

[Simon Glass]

Hi,

On 15 October 2014 11:02, Ruchika Gupta <ruchika.gupta at freescale.com> wrote:
> Hi Simon,
>
> I have defined the functions for hardware acceleration  which are already present in hash.c for Freescale platforms.
>
> In hash.c
> static struct hash_algo hash_algo[] = {
>         /*
>          * CONFIG_SHA_HW_ACCEL is defined if hardware acceleration is
>          * available.
>          */
> #ifdef CONFIG_SHA_HW_ACCEL
>         {
>                 "sha1",
>                 SHA1_SUM_LEN,
>                 hw_sha1,
>                 CHUNKSZ_SHA1,
>         }, {
>                 "sha256",
>                 SHA256_SUM_LEN,
>                 hw_sha256,
>                 CHUNKSZ_SHA256,
>         },
> #endif
>         /*
>
> In the patch below, I have added defined the above functions for Freescale platforms.
>
> +void hw_sha256(const unsigned char *pbuf, unsigned int buf_len,
> +                       unsigned char *pout, unsigned int chunk_size)
> +{
> +       if (caam_hash(pbuf, buf_len, pout, SHA256))
> +               printf("CAAM was not setup properly or it is faulty\n");
> +}
> +
> +void hw_sha1(const unsigned char *pbuf, unsigned int buf_len,
> +                       unsigned char *pout, unsigned int chunk_size)
> +{
> +       if (caam_hash(pbuf, buf_len, pout, SHA1))
> +               printf("CAAM was not setup properly or it is faulty\n");
> +}

OK I see, thanks for explaining this.

Regards,
Simon