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SourceVuESP-IDF Framework and ExamplesESP-IDFccm_cbc_mac()

ccm_cbc_mac() function

Variation of CBC-MAC mode used in CCM.

Syntax

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Summary

Declaration

from ccm_mode.c:64

static void ccm_cbc_mac(uint8_t *T, const uint8_t *data, unsigned int dlen, unsigned int flag, TCAesKeySched_t sched);

Arguments

Argument

Declared as

uint8_t *

data

const uint8_t *

dlen

unsigned int

flag

unsigned int

sched

TCAesKeySched_t

References

Code

Location

Referrer

static void ccm_cbc_mac(uint8_t *T, const uint8_t *data, unsigned int dlen,

ccm_mode.c:64

ccm_cbc_mac(tag, associated_data, alen, 1, c->sched);

ccm_mode.c:171

tc_ccm_generation_encryption()

ccm_cbc_mac(tag, payload, plen, 0, c->sched);

ccm_mode.c:174

tc_ccm_generation_encryption()

ccm_cbc_mac(b, associated_data, alen, 1, c->sched);

ccm_mode.c:252

tc_ccm_decryption_verification()

ccm_cbc_mac(b, out, plen - c->mlen, 0, c->sched);

ccm_mode.c:255

tc_ccm_decryption_verification()

Call Tree

ccm_cbc_mac() is called by 2 functions and calls 1 function:

tc_ccm_generation_encryption()

tc_ccm_decryption_verification()

ccm_cbc_mac()

tc_aes_encrypt()

Data Use

ccm_cbc_mac():

ccm_cbc_mac()

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