ima_calc_boot_aggregate_tfm

Name:Calculate the boot aggregate hash

Proto:static int __init ima_calc_boot_aggregate_tfm(char *digest, struct crypto_shash *tfm)

Type:int

Parameter:

Type	Parameter	Name
char *	digest
struct crypto_shash *	tfm

663

struct tpm_digest d = {alg_id = TPM_ALG_SHA1, digest = {0}}

666

SHASH_DESC_ON_STACK(shash, tfm)

668

tfm = tfm

670

rc = rypto_shash_init() - (re)initialize message digest*@desc: operational state handle that is already filled* The call (re-)initializes the message digest referenced by the* operational state handle. Any potentially existing state created by

671

If rc != 0 Then Return rc

675

When i < TPM_PCR8 cycle

676

ima_pcrread(i, & d)

678

rc = rypto_shash_update() - add data to message digest for processing*@desc: operational state handle that is already initialized*@data: input data to be added to the message digest*@len: length of the input data

680

If Not rc Then rypto_shash_final() - calculate message digest*@desc: operational state handle that is already filled with data*@out: output buffer filled with the message digest* Finalize the message digest operation and create the message digest

682

Return rc

**Caller**
Name	Describe
ima_calc_boot_aggregate

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