Hello Horia,
On 21.03.21 21:46, Horia Geantă wrote:
> On 3/16/2021 7:01 PM, Ahmad Fatoum wrote:
>> +init_job_desc(desc, 0);
>> +append_key_as_imm(desc, keymod, keymod_len, keymod_len,
>> + CLASS_2 | KEY_DEST_CLASS_REG);
>> +append_seq_in_ptr(desc, dma_in, length -
On 3/16/2021 7:01 PM, Ahmad Fatoum wrote:
> +int caam_encap_blob(struct caam_blob_priv *priv, const char *keymod,
> + void *input, void *output, size_t length)
> +{
> + u32 *desc;
> + struct device *jrdev = >jrdev;
> + dma_addr_t dma_in, dma_out;
> + struct
The CAAM can be used to protect user-defined data across system reboot:
- When the system is fused and boots into secure state, the master
key is a unique never-disclosed device-specific key
- random key is encrypted by key derived from master key
- data is encrypted using the random
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